Merge pull request #65 from Keats/improvements

Improvements

CHANGELOG.md

@@ -4,11 +4,14 @@
 
 - Fix XML templates overriding and reloading
 - `title` and `description` are now optional in the front matter
-- Add GenericConfig, Vim syntax
+- Add GenericConfig, Vim, Jinja2 syntax
 - Add `_index.md` for homepage as well and make that into a normal section
 - Allow sorting by `none`, `date` and `order` for sections
 - Add pagination
 - Add a `get_page` global function to tera
+- Revamp index page, no more `pages` variables
+- Fix livereload stopping randomly
+- Smarter re-rendering in `serve` command
 
 ## 0.0.4 (2017-04-23)
 

Cargo.lock

@@ -68,7 +68,7 @@ name = "backtrace-sys"
 version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "gcc 0.3.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.46 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.22 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -173,7 +173,7 @@ name = "cmake"
 version = "0.1.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "gcc 0.3.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.46 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -257,7 +257,7 @@ dependencies = [
 
 [[package]]
 name = "gcc"
-version = "0.3.45"
+version = "0.3.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -408,7 +408,7 @@ name = "miniz-sys"
 version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "gcc 0.3.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.46 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.22 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1096,7 +1096,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum fnv 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "6cc484842f1e2884faf56f529f960cc12ad8c71ce96cc7abba0a067c98fee344"
 "checksum fsevent 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)" = "dfe593ebcfc76884138b25426999890b10da8e6a46d01b499d7c54c604672c38"
 "checksum fsevent-sys 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "1a772d36c338d07a032d5375a36f15f9a7043bf0cb8ce7cee658e037c6032874"
-"checksum gcc 0.3.45 (registry+https://github.com/rust-lang/crates.io-index)" = "40899336fb50db0c78710f53e87afc54d8c7266fb76262fecc78ca1a7f09deae"
+"checksum gcc 0.3.46 (registry+https://github.com/rust-lang/crates.io-index)" = "181e3cebba1d663bd92eb90e2da787e10597e027eb00de8d742b260a7850948f"
 "checksum getopts 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "d9047cfbd08a437050b363d35ef160452c5fe8ea5187ae0a624708c91581d685"
 "checksum glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "8be18de09a56b60ed0edf84bc9df007e30040691af7acd1c41874faac5895bfb"
 "checksum httparse 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "77f756bed9ee3a83ce98774f4155b42a31b787029013f3a7d83eca714e500e21"

src/bin/cmd/build.rs

@@ -3,11 +3,12 @@ use std::env;
 use gutenberg::errors::Result;
 use gutenberg::Site;
 
+use console;
 
 pub fn build(config_file: &str) -> Result<()> {
     let mut site = Site::new(env::current_dir().unwrap(), config_file)?;
     site.load()?;
-    super::notify_site_size(&site);
+    console::notify_site_size(&site);
-    super::warn_about_ignored_pages(&site);
+    console::warn_about_ignored_pages(&site);
     site.build()
 }

src/bin/cmd/livereload.js

@@ -4,7 +4,7 @@
 
   _ref = require('./protocol'), Parser = _ref.Parser, PROTOCOL_6 = _ref.PROTOCOL_6, PROTOCOL_7 = _ref.PROTOCOL_7;
 
-  Version = '2.2.2';
+  Version = '2.2.1';
 
   exports.Connector = Connector = (function() {
     function Connector(options, WebSocket, Timer, handlers) {
@@ -12,7 +12,7 @@
       this.WebSocket = WebSocket;
       this.Timer = Timer;
       this.handlers = handlers;
-      this._uri = "ws" + (this.options.https ? "s" : "") + "://" + this.options.host + ":" + this.options.port + "/livereload";
+      this._uri = "ws://" + this.options.host + ":" + this.options.port + "/livereload";
       this._nextDelay = this.options.mindelay;
       this._connectionDesired = false;
       this.protocol = 0;
@@ -278,8 +278,7 @@
 
 },{}],4:[function(require,module,exports){
 (function() {
-  var Connector, LiveReload, Options, Reloader, Timer,
+  var Connector, LiveReload, Options, Reloader, Timer;
-    __hasProp = {}.hasOwnProperty;
 
   Connector = require('./connector').Connector;
 
@@ -291,15 +290,11 @@
 
   exports.LiveReload = LiveReload = (function() {
     function LiveReload(window) {
-      var k, v, _ref;
       this.window = window;
       this.listeners = {};
       this.plugins = [];
       this.pluginIdentifiers = {};
-      this.console = this.window.console && this.window.console.log && this.window.console.error ? this.window.location.href.match(/LR-verbose/) ? this.window.console : {
+      this.console = this.window.location.href.match(/LR-verbose/) && this.window.console && this.window.console.log && this.window.console.error ? this.window.console : {
-        log: function() {},
-        error: this.window.console.error.bind(this.window.console)
-      } : {
         log: function() {},
         error: function() {}
       };
@@ -307,20 +302,9 @@
         this.console.error("LiveReload disabled because the browser does not seem to support web sockets");
         return;
       }
-      if ('LiveReloadOptions' in window) {
+      if (!(this.options = Options.extract(this.window.document))) {
-        this.options = new Options();
+        this.console.error("LiveReload disabled because it could not find its own <SCRIPT> tag");
-        _ref = window['LiveReloadOptions'];
+        return;
-        for (k in _ref) {
-          if (!__hasProp.call(_ref, k)) continue;
-          v = _ref[k];
-          this.options.set(k, v);
-        }
-      } else {
-        this.options = Options.extract(this.window.document);
-        if (!this.options) {
-          this.console.error("LiveReload disabled because it could not find its own <SCRIPT> tag");
-          return;
-        }
       }
       this.reloader = new Reloader(this.window, this.console, Timer);
       this.connector = new Connector(this.options, this.WebSocket, Timer, {
@@ -342,7 +326,16 @@
         })(this),
         error: (function(_this) {
           return function(e) {
-            return console.log("" + e.message + ".");
+            console.log(e);
+            // if (e instanceof ProtocolError) {
+            //   if (typeof console !== "undefined" && console !== null) {
+            //     return console.log("" + e.message + ".");
+            //   }
+            // } else {
+            //   if (typeof console !== "undefined" && console !== null) {
+            //     return console.log("LiveReload internal error: " + e.message);
+            //   }
+            // }
           };
         })(this),
         disconnected: (function(_this) {
@@ -380,7 +373,6 @@
           };
         })(this)
       });
-      this.initialized = true;
     }
 
     LiveReload.prototype.on = function(eventName, handler) {
@@ -409,9 +401,6 @@
 
     LiveReload.prototype.shutDown = function() {
       var _base;
-      if (!this.initialized) {
-        return;
-      }
       this.connector.disconnect();
       this.log("LiveReload disconnected.");
       return typeof (_base = this.listeners).shutdown === "function" ? _base.shutdown() : void 0;
@@ -423,9 +412,6 @@
 
     LiveReload.prototype.addPlugin = function(pluginClass) {
       var plugin;
-      if (!this.initialized) {
-        return;
-      }
       if (this.hasPlugin(pluginClass.identifier)) {
         return;
       }
@@ -448,9 +434,6 @@
 
     LiveReload.prototype.analyze = function() {
       var plugin, pluginData, pluginsData, _i, _len, _ref;
-      if (!this.initialized) {
-        return;
-      }
       if (!(this.connector.protocol >= 7)) {
         return;
       }
@@ -480,7 +463,6 @@
 
   exports.Options = Options = (function() {
     function Options() {
-      this.https = false;
       this.host = null;
       this.port = 35729;
       this.snipver = null;
@@ -512,7 +494,6 @@
       element = _ref[_i];
       if ((src = element.src) && (m = src.match(/^[^:]+:\/\/(.*)\/z?livereload\.js(?:\?(.*))?$/))) {
         options = new Options();
-        options.https = src.indexOf("https") === 0;
         if (mm = m[1].match(/^([^\/:]+)(?::(\d+))?$/)) {
           options.host = mm[1];
           if (mm[2]) {
@@ -561,7 +542,7 @@
     }
 
     Parser.prototype.reset = function() {
-      return this.protocol = 7;
+      return this.protocol = null;
     };
 
     Parser.prototype.process = function(data) {

src/bin/cmd/mod.rs

@@ -0,0 +1,7 @@
+mod init;
+mod build;
+mod serve;
+
+pub use self::init::create_new_project;
+pub use self::build::build;
+pub use self::serve::serve;

src/bin/cmd/serve.rs

@@ -9,14 +9,12 @@ use iron::{Iron, Request, IronResult, Response, status};
 use mount::Mount;
 use staticfile::Static;
 use notify::{Watcher, RecursiveMode, watcher};
-use ws::{WebSocket, Sender};
+use ws::{WebSocket, Sender, Message};
 use gutenberg::Site;
 use gutenberg::errors::{Result, ResultExt};
 
-
-use ::{report_elapsed_time, unravel_errors};
 use console;
-
+use rebuild;
 
 #[derive(Debug, PartialEq)]
 enum ChangeKind {
@@ -47,7 +45,7 @@ fn rebuild_done_handling(broadcaster: &Sender, res: Result<()>, reload_path: &st
                 }}"#, reload_path)
             ).unwrap();
         },
-        Err(e) => unravel_errors("Failed to build the site", &e, false)
+        Err(e) => console::unravel_errors("Failed to build the site", &e)
     }
 }
 
@@ -67,10 +65,10 @@ pub fn serve(interface: &str, port: &str, config_file: &str) -> Result<()> {
 
     site.load()?;
     site.enable_live_reload();
-    super::notify_site_size(&site);
+    console::notify_site_size(&site);
-    super::warn_about_ignored_pages(&site);
+    console::warn_about_ignored_pages(&site);
     site.build()?;
-    report_elapsed_time(start);
+    console::report_elapsed_time(start);
 
     // Setup watchers
     let (tx, rx) = channel();
@@ -93,8 +91,17 @@ pub fn serve(interface: &str, port: &str, config_file: &str) -> Result<()> {
     let _iron = Iron::new(mount).http(address.as_str()).unwrap();
 
     // The websocket for livereload
-    let ws_server = WebSocket::new(|_| {
+    let ws_server = WebSocket::new(|output: Sender| {
-        |_| {
+        move |msg: Message| {
+            if msg.into_text().unwrap().contains("\"hello\"") {
+                return output.send(Message::text(r#"
+                    {
+                        "command": "hello",
+                        "protocols": [ "http://livereload.com/protocols/official-7" ],
+                        "serverName": "Gutenberg"
+                    }
+                "#));
+            }
             Ok(())
         }
     }).unwrap();
@@ -131,12 +138,12 @@ pub fn serve(interface: &str, port: &str, config_file: &str) -> Result<()> {
                             (ChangeKind::Content, _) => {
                                 console::info(&format!("-> Content changed {}", path.display()));
                                 // Force refresh
-                                rebuild_done_handling(&broadcaster, site.rebuild_after_content_change(&path), "/x.js");
+                                rebuild_done_handling(&broadcaster, rebuild::after_content_change(&mut site, &path), "/x.js");
                             },
                             (ChangeKind::Templates, _) => {
                                 console::info(&format!("-> Template changed {}", path.display()));
                                 // Force refresh
-                                rebuild_done_handling(&broadcaster, site.rebuild_after_template_change(&path), "/x.js");
+                                rebuild_done_handling(&broadcaster, rebuild::after_template_change(&mut site, &path), "/x.js");
                             },
                             (ChangeKind::StaticFiles, p) => {
                                 if path.is_file() {
@@ -145,7 +152,7 @@ pub fn serve(interface: &str, port: &str, config_file: &str) -> Result<()> {
                                 }
                             },
                         };
-                        report_elapsed_time(start);
+                        console::report_elapsed_time(start);
                     }
                     _ => {}
                 }

src/bin/console.rs

@@ -0,0 +1,70 @@
+use std::time::Instant;
+
+use chrono::Duration;
+use term_painter::ToStyle;
+use term_painter::Color::*;
+
+use gutenberg::errors::Error;
+use gutenberg::Site;
+
+
+pub fn info(message: &str) {
+    println!("{}", NotSet.bold().paint(message));
+}
+
+pub fn warn(message: &str) {
+    println!("{}", Yellow.bold().paint(message));
+}
+
+pub fn success(message: &str) {
+    println!("{}", Green.bold().paint(message));
+}
+
+pub fn error(message: &str) {
+    println!("{}", Red.bold().paint(message));
+}
+
+/// Display in the console the number of pages/sections in the site
+pub fn notify_site_size(site: &Site) {
+    println!(
+        "-> Creating {} pages ({} orphan) and {} sections",
+        site.pages.len(),
+        site.get_all_orphan_pages().len(),
+        site.sections.len() - 1, // -1 since we do not the index as a section
+    );
+}
+
+/// Display a warning in the console if there are ignored pages in the site
+pub fn warn_about_ignored_pages(site: &Site) {
+    let ignored_pages = site.get_ignored_pages();
+    if !ignored_pages.is_empty() {
+        warn(&format!(
+            "{} page(s) ignored (missing date or order in a sorted section):",
+            ignored_pages.len()
+        ));
+        for path in site.get_ignored_pages() {
+            warn(&format!("- {}", path.display()));
+        }
+    }
+}
+
+/// Print the time elapsed rounded to 1 decimal
+pub fn report_elapsed_time(instant: Instant) {
+    let duration_ms = Duration::from_std(instant.elapsed()).unwrap().num_milliseconds() as f64;
+
+    if duration_ms < 1000.0 {
+        success(&format!("Done in {}ms.\n", duration_ms));
+    } else {
+        let duration_sec = duration_ms / 1000.0;
+        success(&format!("Done in {:.1}s.\n", ((duration_sec * 10.0).round() / 10.0)));
+    }
+}
+
+/// Display an error message and the actual error(s)
+pub fn unravel_errors(message: &str, error: &Error) {
+        self::error(message);
+        self::error(&format!("Error: {}", error));
+        for e in error.iter().skip(1) {
+            self::error(&format!("Reason: {}", e));
+        }
+}

src/bin/gutenberg.rs

@@ -12,39 +12,11 @@ extern crate mount;
 extern crate notify;
 extern crate ws;
 
-
 use std::time::Instant;
 
-use chrono::Duration;
-use gutenberg::errors::Error;
-
 mod cmd;
 mod console;
-
+mod rebuild;
-
-/// Print the time elapsed rounded to 1 decimal
-fn report_elapsed_time(instant: Instant) {
-    let duration_ms = Duration::from_std(instant.elapsed()).unwrap().num_milliseconds() as f64;
-
-    if duration_ms < 1000.0 {
-        console::success(&format!("Done in {}ms.\n", duration_ms));
-    } else {
-        let duration_sec = duration_ms / 1000.0;
-        console::success(&format!("Done in {:.1}s.\n", ((duration_sec * 10.0).round() / 10.0)));
-    }
-}
-
-////Display an error message, the actual error and then exits if requested
-fn unravel_errors(message: &str, error: &Error, exit: bool) {
-        console::error(message);
-        console::error(&format!("Error: {}", error));
-        for e in error.iter().skip(1) {
-            console::error(&format!("Reason: {}", e));
-        }
-        if exit {
-            ::std::process::exit(1);
-        }
-}
 
 
 fn main() {
@@ -74,15 +46,21 @@ fn main() {
         ("init", Some(matches)) => {
             match cmd::create_new_project(matches.value_of("name").unwrap()) {
                 Ok(()) => console::success("Project created"),
-                Err(e) => unravel_errors("Failed to create the project", &e, true),
+                Err(e) => {
+                    console::unravel_errors("Failed to create the project", &e);
+                    ::std::process::exit(1);
+                },
             };
         },
         ("build", Some(_)) => {
             console::info("Building site...");
             let start = Instant::now();
             match cmd::build(config_file) {
-                Ok(()) => report_elapsed_time(start),
+                Ok(()) => console::report_elapsed_time(start),
-                Err(e) => unravel_errors("Failed to build the site", &e, true),
+                Err(e) => {
+                    console::unravel_errors("Failed to build the site", &e);
+                    ::std::process::exit(1);
+                },
             };
         },
         ("serve", Some(matches)) => {
@@ -91,7 +69,10 @@ fn main() {
             console::info("Building site...");
             match cmd::serve(interface, port, config_file) {
                 Ok(()) => (),
-                Err(e) => unravel_errors("Failed to build the site", &e, true),
+                Err(e) => {
+                    console::unravel_errors("Failed to build the site", &e);
+                    ::std::process::exit(1);
+                },
             };
         },
         _ => unreachable!(),

src/bin/rebuild.rs

@@ -0,0 +1,227 @@
+use std::path::Path;
+
+use gutenberg::{Site, SectionFrontMatter, PageFrontMatter};
+use gutenberg::errors::Result;
+
+#[derive(Debug, Clone, Copy, PartialEq)]
+enum PageChangesNeeded {
+    /// Editing `tags`
+    Tags,
+    /// Editing `categories`
+    Categories,
+    /// Editing `date` or `order`
+    Sort,
+    /// Editing anything else
+    Render,
+}
+
+// TODO: seems like editing sort_by/render do weird stuff
+#[derive(Debug, Clone, Copy, PartialEq)]
+enum SectionChangesNeeded {
+    /// Editing `sort_by`
+    Sort,
+    /// Editing `title`, `description`, `extra`, `template` or setting `render` to true
+    Render,
+    /// Editing `paginate_by` or `paginate_path`
+    RenderWithPages,
+    /// Setting `render` to false
+    Delete,
+}
+
+/// Evaluates all the params in the front matter that changed so we can do the smallest
+/// delta in the serve command
+fn find_section_front_matter_changes(current: &SectionFrontMatter, other: &SectionFrontMatter) -> Vec<SectionChangesNeeded> {
+    let mut changes_needed = vec![];
+
+    if current.sort_by != other.sort_by {
+        changes_needed.push(SectionChangesNeeded::Sort);
+    }
+
+    if !current.should_render() && other.should_render() {
+        changes_needed.push(SectionChangesNeeded::Delete);
+        // Nothing else we can do
+        return changes_needed;
+    }
+
+    if current.paginate_by != other.paginate_by || current.paginate_path != other.paginate_path {
+        changes_needed.push(SectionChangesNeeded::RenderWithPages);
+        // Nothing else we can do
+        return changes_needed;
+    }
+
+    // Any other change will trigger a re-rendering of the section page only
+    changes_needed.push(SectionChangesNeeded::Render);
+    changes_needed
+}
+
+/// Evaluates all the params in the front matter that changed so we can do the smallest
+/// delta in the serve command
+fn find_page_front_matter_changes(current: &PageFrontMatter, other: &PageFrontMatter) -> Vec<PageChangesNeeded> {
+    let mut changes_needed = vec![];
+
+    if current.tags != other.tags {
+        changes_needed.push(PageChangesNeeded::Tags);
+    }
+
+    if current.category != other.category {
+        changes_needed.push(PageChangesNeeded::Categories);
+    }
+
+    if current.date != other.date || current.order != other.order {
+        changes_needed.push(PageChangesNeeded::Sort);
+    }
+
+    changes_needed.push(PageChangesNeeded::Render);
+    changes_needed
+}
+
+// What happens when a section or a page is changed
+pub fn after_content_change(site: &mut Site, path: &Path) -> Result<()> {
+    let is_section = path.file_name().unwrap() == "_index.md";
+
+    // A page or section got deleted
+    if !path.exists() {
+        if is_section {
+            // A section was deleted, many things can be impacted:
+            // - the pages of the section are becoming orphans
+            // - any page that was referencing the section (index, etc)
+            let relative_path = site.sections[path].relative_path.clone();
+            // Remove the link to it and the section itself from the Site
+            site.permalinks.remove(&relative_path);
+            site.sections.remove(path);
+            site.populate_sections();
+        } else {
+            // A page was deleted, many things can be impacted:
+            // - the section the page is in
+            // - any page that was referencing the section (index, etc)
+            let relative_path = site.pages[path].relative_path.clone();
+            site.permalinks.remove(&relative_path);
+            if let Some(p) = site.pages.remove(path) {
+                if p.meta.has_tags() || p.meta.category.is_some() {
+                    site.populate_tags_and_categories();
+                }
+
+                if site.find_parent_section(&p).is_some() {
+                    site.populate_sections();
+                }
+            };
+        }
+        // Deletion is something that doesn't happen all the time so we
+        // don't need to optimise it too much
+        return site.build();
+    }
+
+    // A section was edited
+    if is_section {
+        match site.add_section(path, true)? {
+            Some(prev) => {
+                // Updating a section
+                let current_meta = site.sections[path].meta.clone();
+                // Front matter didn't change, only content did
+                // so we render only the section page, not its pages
+                if current_meta == prev.meta {
+                    return site.render_section(&site.sections[path], false);
+                }
+
+                // Front matter changed
+                for changes in find_section_front_matter_changes(&current_meta, &prev.meta) {
+                    // Sort always comes first if present so the rendering will be fine
+                    match changes {
+                        SectionChangesNeeded::Sort => site.sort_sections_pages(Some(path)),
+                        SectionChangesNeeded::Render => site.render_section(&site.sections[path], false)?,
+                        SectionChangesNeeded::RenderWithPages => site.render_section(&site.sections[path], true)?,
+                        // can't be arsed to make the Delete efficient, it's not a common enough operation
+                        SectionChangesNeeded::Delete => {
+                            site.populate_sections();
+                            site.build()?;
+                        },
+                    };
+                }
+                return Ok(());
+            },
+            None => {
+                // New section, only render that one
+                site.populate_sections();
+                return site.render_section(&site.sections[path], true);
+            }
+        };
+    }
+
+    // A page was edited
+    match site.add_page(path, true)? {
+        Some(prev) => {
+            // Updating a page
+            let current = site.pages[path].clone();
+            // Front matter didn't change, only content did
+            // so we render only the section page, not its pages
+            if current.meta == prev.meta {
+                return site.render_page(&site.pages[path]);
+            }
+
+            // Front matter changed
+            for changes in find_page_front_matter_changes(&current.meta, &prev.meta) {
+                // Sort always comes first if present so the rendering will be fine
+                match changes {
+                    PageChangesNeeded::Tags => {
+                        site.populate_tags_and_categories();
+                        site.render_tags()?;
+                    },
+                    PageChangesNeeded::Categories => {
+                        site.populate_tags_and_categories();
+                        site.render_categories()?;
+                    },
+                    PageChangesNeeded::Sort => {
+                        let section_path = match site.find_parent_section(&site.pages[path]) {
+                            Some(s) => s.file_path.clone(),
+                            None => continue  // Do nothing if it's an orphan page
+                        };
+                        site.populate_sections();
+                        site.sort_sections_pages(Some(&section_path));
+                        site.render_index()?;
+                    },
+                    PageChangesNeeded::Render => {
+                        site.render_page(&site.pages[path])?;
+                    },
+                };
+            }
+            return Ok(());
+
+        },
+        None => {
+            // It's a new page!
+            site.populate_sections();
+            site.populate_tags_and_categories();
+            // No need to optimise that yet, we can revisit if it becomes an issue
+            site.build()?;
+        }
+    }
+
+    Ok(())
+}
+
+/// What happens when a template is changed
+pub fn after_template_change(site: &mut Site, path: &Path) -> Result<()> {
+    site.tera.full_reload()?;
+
+    match path.file_name().unwrap().to_str().unwrap() {
+        "sitemap.xml" => site.render_sitemap(),
+        "rss.xml" => site.render_rss_feed(),
+        "robots.txt" => site.render_robots(),
+        "categories.html" | "category.html" => site.render_categories(),
+        "tags.html" | "tag.html" => site.render_tags(),
+        "page.html" => {
+            site.render_sections()?;
+            site.render_orphan_pages()
+        },
+        "section.html" => site.render_sections(),
+        // Either the index or some unknown template changed
+        // We can't really know what this change affects so rebuild all
+        // the things
+        _ => {
+            site.render_sections()?;
+            site.render_orphan_pages()?;
+            site.render_categories()?;
+            site.render_tags()
+        },
+    }
+}

src/cmd/mod.rs

@@ -1,33 +0,0 @@
-mod init;
-mod build;
-mod serve;
-
-pub use self::init::create_new_project;
-pub use self::build::build;
-pub use self::serve::serve;
-
-use gutenberg::Site;
-
-use console::warn;
-
-fn notify_site_size(site: &Site) {
-    println!(
-        "-> Creating {} pages ({} orphan) and {} sections",
-        site.pages.len(),
-        site.get_all_orphan_pages().len(),
-        site.sections.len()
-    );
-}
-
-fn warn_about_ignored_pages(site: &Site) {
-    let ignored_pages = site.get_ignored_pages();
-    if !ignored_pages.is_empty() {
-        warn(&format!(
-            "{} page(s) ignored (missing date or order in a sorted section):",
-            ignored_pages.len()
-        ));
-        for path in site.get_ignored_pages() {
-            warn(&format!("- {}", path.display()));
-        }
-    }
-}

src/config.rs

@@ -58,6 +58,10 @@ impl Config {
 
         set_default!(config.language_code, "en".to_string());
         set_default!(config.highlight_code, false);
+        set_default!(config.generate_rss, false);
+        set_default!(config.generate_tags_pages, false);
+        set_default!(config.generate_categories_pages, false);
+        set_default!(config.insert_anchor_links, false);
 
         match config.highlight_theme {
             Some(ref t) => {
@@ -68,11 +72,6 @@ impl Config {
             None => config.highlight_theme = Some("base16-ocean-dark".to_string())
         };
 
-        set_default!(config.generate_rss, false);
-        set_default!(config.generate_tags_pages, true);
-        set_default!(config.generate_categories_pages, true);
-        set_default!(config.insert_anchor_links, false);
-
         Ok(config)
     }
 
@@ -135,7 +134,7 @@ mod tests {
     use super::{Config};
 
     #[test]
-    fn test_can_import_valid_config() {
+    fn can_import_valid_config() {
         let config = r#"
 title = "My site"
 base_url = "https://replace-this-with-your-url.com"
@@ -146,7 +145,7 @@ base_url = "https://replace-this-with-your-url.com"
     }
 
     #[test]
-    fn test_errors_when_invalid_type() {
+    fn errors_when_invalid_type() {
         let config = r#"
 title = 1
 base_url = "https://replace-this-with-your-url.com"
@@ -157,7 +156,8 @@ base_url = "https://replace-this-with-your-url.com"
     }
 
     #[test]
-    fn test_errors_when_missing_required_field() {
+    fn errors_when_missing_required_field() {
+        // base_url is required
         let config = r#"
 title = ""
         "#;
@@ -167,7 +167,7 @@ title = ""
     }
 
     #[test]
-    fn test_can_add_extra_values() {
+    fn can_add_extra_values() {
         let config = r#"
 title = "My site"
 base_url = "https://replace-this-with-your-url.com"
@@ -181,15 +181,4 @@ hello = "world"
         assert_eq!(config.unwrap().extra.unwrap().get("hello").unwrap().as_str().unwrap(), "world");
     }
 
-    #[test]
-    fn test_language_defaults_to_en() {
-        let config = r#"
-title = "My site"
-base_url = "https://replace-this-with-your-url.com""#;
-
-        let config = Config::parse(config);
-        assert!(config.is_ok());
-        let config = config.unwrap();
-        assert_eq!(config.language_code.unwrap(), "en");
-    }
 }

src/console.rs

@@ -1,19 +0,0 @@
-use term_painter::ToStyle;
-use term_painter::Color::*;
-
-
-pub fn info(message: &str) {
-    println!("{}", NotSet.bold().paint(message));
-}
-
-pub fn warn(message: &str) {
-    println!("{}", Yellow.bold().paint(message));
-}
-
-pub fn success(message: &str) {
-    println!("{}", Green.bold().paint(message));
-}
-
-pub fn error(message: &str) {
-    println!("{}", Red.bold().paint(message));
-}

src/content/mod.rs

@@ -0,0 +1,14 @@
+// TODO: move section/page and maybe pagination in this mod
+// Not sure where pagination stands if I add a render mod
+
+mod page;
+mod pagination;
+mod section;
+mod sorting;
+mod utils;
+
+pub use self::page::{Page};
+pub use self::section::{Section};
+pub use self::pagination::{Paginator, Pager};
+pub use self::sorting::{SortBy, sort_pages, populate_previous_and_next_pages};
+

src/content/page.rs

@@ -0,0 +1,228 @@
+/// A page, can be a blog post or a basic page
+use std::collections::HashMap;
+use std::path::{Path, PathBuf};
+use std::result::Result as StdResult;
+
+
+use tera::{Tera, Context};
+use serde::ser::{SerializeStruct, self};
+use slug::slugify;
+
+use errors::{Result, ResultExt};
+use config::Config;
+use front_matter::{PageFrontMatter, split_page_content};
+use markdown::markdown_to_html;
+use utils::{read_file, find_content_components};
+use content::utils::{find_related_assets, get_reading_analytics};
+
+
+
+#[derive(Clone, Debug, PartialEq)]
+pub struct Page {
+    /// The front matter meta-data
+    pub meta: PageFrontMatter,
+    /// The .md path
+    pub file_path: PathBuf,
+    /// The .md path, starting from the content directory, with / slashes
+    pub relative_path: String,
+    /// The parent directory of the file. Is actually the grand parent directory
+    /// if it's an asset folder
+    pub parent_path: PathBuf,
+    /// The name of the .md file
+    pub file_name: String,
+    /// The directories above our .md file
+    /// for example a file at content/kb/solutions/blabla.md will have 2 components:
+    /// `kb` and `solutions`
+    pub components: Vec<String>,
+    /// The actual content of the page, in markdown
+    pub raw_content: String,
+    /// All the non-md files we found next to the .md file
+    pub assets: Vec<PathBuf>,
+    /// The HTML rendered of the page
+    pub content: String,
+
+    /// The slug of that page.
+    /// First tries to find the slug in the meta and defaults to filename otherwise
+    pub slug: String,
+    /// The URL path of the page
+    pub path: String,
+    /// The full URL for that page
+    pub permalink: String,
+    /// The summary for the article, defaults to None
+    /// When <!-- more --> is found in the text, will take the content up to that part
+    /// as summary
+    pub summary: Option<String>,
+
+    /// The previous page, by whatever sorting is used for the index/section
+    pub previous: Option<Box<Page>>,
+    /// The next page, by whatever sorting is used for the index/section
+    pub next: Option<Box<Page>>,
+}
+
+
+impl Page {
+    pub fn new(meta: PageFrontMatter) -> Page {
+        Page {
+            meta: meta,
+            file_path: PathBuf::new(),
+            relative_path: String::new(),
+            parent_path: PathBuf::new(),
+            file_name: "".to_string(),
+            components: vec![],
+            raw_content: "".to_string(),
+            assets: vec![],
+            content: "".to_string(),
+            slug: "".to_string(),
+            path: "".to_string(),
+            permalink: "".to_string(),
+            summary: None,
+            previous: None,
+            next: None,
+        }
+    }
+
+    /// Parse a page given the content of the .md file
+    /// Files without front matter or with invalid front matter are considered
+    /// erroneous
+    pub fn parse(file_path: &Path, content: &str, config: &Config) -> Result<Page> {
+        // 1. separate front matter from content
+        let (meta, content) = split_page_content(file_path, content)?;
+        let mut page = Page::new(meta);
+        page.file_path = file_path.to_path_buf();
+        page.parent_path = page.file_path.parent().unwrap().to_path_buf();
+        page.raw_content = content;
+
+        let path = Path::new(file_path);
+        page.file_name = path.file_stem().unwrap().to_string_lossy().to_string();
+
+        page.slug = {
+            if let Some(ref slug) = page.meta.slug {
+                slug.trim().to_string()
+            } else {
+                slugify(page.file_name.clone())
+            }
+        };
+        page.components = find_content_components(&page.file_path);
+        page.relative_path = format!("{}/{}.md", page.components.join("/"), page.file_name);
+
+        // 4. Find sections
+        // Pages with custom urls exists outside of sections
+        let mut path_set = false;
+        if let Some(ref u) = page.meta.url {
+            page.path = u.trim().to_string();
+            path_set = true;
+        }
+
+        if !page.components.is_empty() {
+            // If we have a folder with an asset, don't consider it as a component
+            if page.file_name == "index" {
+                page.components.pop();
+                // also set parent_path to grandparent instead
+                page.parent_path = page.parent_path.parent().unwrap().to_path_buf();
+            }
+            if !path_set {
+                // Don't add a trailing slash to sections
+                page.path = format!("{}/{}", page.components.join("/"), page.slug);
+            }
+        } else if !path_set {
+            page.path = page.slug.clone();
+        }
+
+        page.permalink = config.make_permalink(&page.path);
+
+        Ok(page)
+    }
+
+    /// Read and parse a .md file into a Page struct
+    pub fn from_file<P: AsRef<Path>>(path: P, config: &Config) -> Result<Page> {
+        let path = path.as_ref();
+        let content = read_file(path)?;
+        let mut page = Page::parse(path, &content, config)?;
+        page.assets = find_related_assets(path.parent().unwrap());
+
+        if !page.assets.is_empty() && page.file_name != "index" {
+            bail!("Page `{}` has assets ({:?}) but is not named index.md", path.display(), page.assets);
+        }
+
+        Ok(page)
+
+    }
+
+    /// We need access to all pages url to render links relative to content
+    /// so that can't happen at the same time as parsing
+    pub fn render_markdown(&mut self, permalinks: &HashMap<String, String>, tera: &Tera, config: &Config) -> Result<()> {
+        self.content = markdown_to_html(&self.raw_content, permalinks, tera, config)?;
+
+        if self.raw_content.contains("<!-- more -->") {
+            self.summary = Some({
+                let summary = self.raw_content.splitn(2, "<!-- more -->").collect::<Vec<&str>>()[0];
+                markdown_to_html(summary, permalinks, tera, config)?
+            })
+        }
+
+        Ok(())
+    }
+
+    /// Renders the page using the default layout, unless specified in front-matter
+    pub fn render_html(&self, tera: &Tera, config: &Config) -> Result<String> {
+        let tpl_name = match self.meta.template {
+            Some(ref l) => l.to_string(),
+            None => "page.html".to_string()
+        };
+
+        let mut context = Context::new();
+        context.add("config", config);
+        context.add("page", self);
+        context.add("current_url", &self.permalink);
+        context.add("current_path", &self.path);
+
+        tera.render(&tpl_name, &context)
+            .chain_err(|| format!("Failed to render page '{}'", self.file_path.display()))
+    }
+}
+
+impl Default for Page {
+    fn default() -> Page {
+        Page {
+            meta: PageFrontMatter::default(),
+            file_path: PathBuf::new(),
+            relative_path: String::new(),
+            parent_path: PathBuf::new(),
+            file_name: "".to_string(),
+            components: vec![],
+            raw_content: "".to_string(),
+            assets: vec![],
+            content: "".to_string(),
+            slug: "".to_string(),
+            path: "".to_string(),
+            permalink: "".to_string(),
+            summary: None,
+            previous: None,
+            next: None,
+        }
+    }
+}
+
+impl ser::Serialize for Page {
+    fn serialize<S>(&self, serializer: S) -> StdResult<S::Ok, S::Error> where S: ser::Serializer {
+        let mut state = serializer.serialize_struct("page", 16)?;
+        state.serialize_field("content", &self.content)?;
+        state.serialize_field("title", &self.meta.title)?;
+        state.serialize_field("description", &self.meta.description)?;
+        state.serialize_field("date", &self.meta.date)?;
+        state.serialize_field("slug", &self.slug)?;
+        state.serialize_field("path", &format!("/{}", self.path))?;
+        state.serialize_field("permalink", &self.permalink)?;
+        state.serialize_field("summary", &self.summary)?;
+        state.serialize_field("tags", &self.meta.tags)?;
+        state.serialize_field("draft", &self.meta.draft)?;
+        state.serialize_field("category", &self.meta.category)?;
+        state.serialize_field("extra", &self.meta.extra)?;
+        let (word_count, reading_time) = get_reading_analytics(&self.raw_content);
+        state.serialize_field("word_count", &word_count)?;
+        state.serialize_field("reading_time", &reading_time)?;
+        state.serialize_field("previous", &self.previous)?;
+        state.serialize_field("next", &self.next)?;
+        state.end()
+    }
+}

src/content/pagination.rs

@@ -2,8 +2,7 @@ use std::collections::HashMap;
 use tera::{Context, to_value, Value};
 
 use errors::{Result, ResultExt};
-use page::Page;
+use content::{Page, Section};
-use section::Section;
 use site::Site;
 
 
@@ -23,10 +22,10 @@ pub struct Pager<'a> {
 impl<'a> Pager<'a> {
     fn new(index: usize, pages: Vec<&'a Page>, permalink: String, path: String) -> Pager<'a> {
         Pager {
-            index: index,
+            index,
-            permalink: permalink,
+            permalink,
-            path: path,
+            path,
-            pages: pages,
+            pages,
         }
     }
 }
@@ -44,6 +43,8 @@ pub struct Paginator<'a> {
 }
 
 impl<'a> Paginator<'a> {
+    /// Create a new paginator
+    /// It will always at least create one pager (the first) even if there are no pages to paginate
     pub fn new(all_pages: &'a [Page], section: &'a Section) -> Paginator<'a> {
         let paginate_by = section.meta.paginate_by.unwrap();
         let paginate_path = match section.meta.paginate_path {
@@ -87,6 +88,11 @@ impl<'a> Paginator<'a> {
             ));
         }
 
+        // We always have the index one at least
+        if pagers.is_empty() {
+            pagers.push(Pager::new(1, vec![], section.permalink.clone(), section.path.clone()));
+        }
+
         Paginator {
             all_pages: all_pages,
             pagers: pagers,
@@ -147,14 +153,13 @@ impl<'a> Paginator<'a> {
 mod tests {
     use tera::{to_value};
 
-    use front_matter::FrontMatter;
+    use front_matter::SectionFrontMatter;
-    use page::Page;
+    use content::{Page, Section};
-    use section::Section;
 
     use super::{Paginator};
 
     fn create_section(is_index: bool) -> Section {
-        let mut f = FrontMatter::default();
+        let mut f = SectionFrontMatter::default();
         f.paginate_by = Some(2);
         f.paginate_path = Some("page".to_string());
         let mut s = Section::new("content/_index.md", f);
@@ -171,9 +176,9 @@ mod tests {
     #[test]
     fn test_can_create_paginator() {
         let pages = vec![
-            Page::new(FrontMatter::default()),
+            Page::default(),
-            Page::new(FrontMatter::default()),
+            Page::default(),
-            Page::new(FrontMatter::default()),
+            Page::default(),
         ];
         let section = create_section(false);
         let paginator = Paginator::new(pages.as_slice(), &section);
@@ -193,9 +198,9 @@ mod tests {
     #[test]
     fn test_can_create_paginator_for_index() {
         let pages = vec![
-            Page::new(FrontMatter::default()),
+            Page::default(),
-            Page::new(FrontMatter::default()),
+            Page::default(),
-            Page::new(FrontMatter::default()),
+            Page::default(),
         ];
         let section = create_section(true);
         let paginator = Paginator::new(pages.as_slice(), &section);
@@ -215,9 +220,9 @@ mod tests {
     #[test]
     fn test_can_build_paginator_context() {
         let pages = vec![
-            Page::new(FrontMatter::default()),
+            Page::default(),
-            Page::new(FrontMatter::default()),
+            Page::default(),
-            Page::new(FrontMatter::default()),
+            Page::default(),
         ];
         let section = create_section(false);
         let paginator = Paginator::new(pages.as_slice(), &section);

src/content/section.rs

@@ -6,14 +6,17 @@ use tera::{Tera, Context};
 use serde::ser::{SerializeStruct, self};
 
 use config::Config;
-use front_matter::{FrontMatter, split_content};
+use front_matter::{SectionFrontMatter, split_section_content};
 use errors::{Result, ResultExt};
 use utils::{read_file, find_content_components};
-use page::{Page};
+use markdown::markdown_to_html;
+use content::Page;
 
 
 #[derive(Clone, Debug, PartialEq)]
 pub struct Section {
+    /// The front matter meta-data
+    pub meta: SectionFrontMatter,
     /// The _index.md full path
     pub file_path: PathBuf,
     /// The .md path, starting from the content directory, with / slashes
@@ -26,8 +29,10 @@ pub struct Section {
     pub path: String,
     /// The full URL for that page
     pub permalink: String,
-    /// The front matter meta-data
+    /// The actual content of the page, in markdown
-    pub meta: FrontMatter,
+    pub raw_content: String,
+    /// The HTML rendered of the page
+    pub content: String,
     /// All direct pages of that section
     pub pages: Vec<Page>,
     /// All pages that cannot be sorted in this section
@@ -37,17 +42,19 @@ pub struct Section {
 }
 
 impl Section {
-    pub fn new<P: AsRef<Path>>(file_path: P, meta: FrontMatter) -> Section {
+    pub fn new<P: AsRef<Path>>(file_path: P, meta: SectionFrontMatter) -> Section {
         let file_path = file_path.as_ref();
 
         Section {
+            meta: meta,
             file_path: file_path.to_path_buf(),
             relative_path: "".to_string(),
             parent_path: file_path.parent().unwrap().to_path_buf(),
             components: vec![],
             path: "".to_string(),
             permalink: "".to_string(),
-            meta: meta,
+            raw_content: "".to_string(),
+            content: "".to_string(),
             pages: vec![],
             ignored_pages: vec![],
             subsections: vec![],
@@ -55,12 +62,14 @@ impl Section {
     }
 
     pub fn parse(file_path: &Path, content: &str, config: &Config) -> Result<Section> {
-        let (meta, _) = split_content(file_path, content)?;
+        let (meta, content) = split_section_content(file_path, content)?;
         let mut section = Section::new(file_path, meta);
+        section.raw_content = content.clone();
         section.components = find_content_components(&section.file_path);
         section.path = section.components.join("/");
         section.permalink = config.make_permalink(&section.path);
         if section.components.is_empty() {
+            // the index one
             section.relative_path = "_index.md".to_string();
         } else {
             section.relative_path = format!("{}/_index.md", section.components.join("/"));
@@ -89,8 +98,15 @@ impl Section {
         }
     }
 
+    /// We need access to all pages url to render links relative to content
+    /// so that can't happen at the same time as parsing
+    pub fn render_markdown(&mut self, permalinks: &HashMap<String, String>, tera: &Tera, config: &Config) -> Result<()> {
+        self.content = markdown_to_html(&self.raw_content, permalinks, tera, config)?;
+        Ok(())
+    }
+
     /// Renders the page using the default layout, unless specified in front-matter
-    pub fn render_html(&self, sections: &HashMap<String, Section>, tera: &Tera, config: &Config) -> Result<String> {
+    pub fn render_html(&self, sections: HashMap<String, Section>, tera: &Tera, config: &Config) -> Result<String> {
         let tpl_name = self.get_template_name();
 
         let mut context = Context::new();
@@ -99,7 +115,7 @@ impl Section {
         context.add("current_url", &self.permalink);
         context.add("current_path", &self.path);
         if self.is_index() {
-            context.add("sections", sections);
+            context.add("sections", &sections);
         }
 
         tera.render(&tpl_name, &context)
@@ -111,17 +127,36 @@ impl Section {
         self.components.is_empty()
     }
 
+    /// Returns all the paths for the pages belonging to that section
     pub fn all_pages_path(&self) -> Vec<PathBuf> {
         let mut paths = vec![];
         paths.extend(self.pages.iter().map(|p| p.file_path.clone()));
         paths.extend(self.ignored_pages.iter().map(|p| p.file_path.clone()));
         paths
     }
+
+    /// Whether the page given belongs to that section
+    pub fn is_child_page(&self, page: &Page) -> bool {
+        for p in &self.pages {
+            if p.file_path == page.file_path {
+                return true;
+            }
+        }
+
+        for p in &self.ignored_pages {
+            if p.file_path == page.file_path {
+                return true;
+            }
+        }
+
+        false
+    }
 }
 
 impl ser::Serialize for Section {
     fn serialize<S>(&self, serializer: S) -> StdResult<S::Ok, S::Error> where S: ser::Serializer {
-        let mut state = serializer.serialize_struct("section", 6)?;
+        let mut state = serializer.serialize_struct("section", 7)?;
+        state.serialize_field("content", &self.content)?;
         state.serialize_field("title", &self.meta.title)?;
         state.serialize_field("description", &self.meta.description)?;
         state.serialize_field("path", &format!("/{}", self.path))?;
@@ -131,3 +166,23 @@ impl ser::Serialize for Section {
         state.end()
     }
 }
+
+impl Default for Section {
+    /// Used to create a default index section if there is no _index.md in the root content directory
+    fn default() -> Section {
+        Section {
+            meta: SectionFrontMatter::default(),
+            file_path: PathBuf::new(),
+            relative_path: "".to_string(),
+            parent_path: PathBuf::new(),
+            components: vec![],
+            path: "".to_string(),
+            permalink: "".to_string(),
+            raw_content: "".to_string(),
+            content: "".to_string(),
+            pages: vec![],
+            ignored_pages: vec![],
+            subsections: vec![],
+        }
+    }
+}

src/content/sorting.rs

@@ -0,0 +1,169 @@
+use content::Page;
+
+#[derive(Debug, Copy, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "lowercase")]
+pub enum SortBy {
+    Date,
+    Order,
+    None,
+}
+
+/// Sort pages using the method for the given section
+///
+/// Any pages that doesn't have a date when the sorting method is date or order
+/// when the sorting method is order will be ignored.
+pub fn sort_pages(pages: Vec<Page>, sort_by: SortBy) -> (Vec<Page>, Vec<Page>) {
+    match sort_by {
+        SortBy::Date => {
+            let mut can_be_sorted = vec![];
+            let mut cannot_be_sorted = vec![];
+            for page in pages {
+                if page.meta.date.is_some() {
+                    can_be_sorted.push(page);
+                } else {
+                    cannot_be_sorted.push(page);
+                }
+            }
+            can_be_sorted.sort_by(|a, b| b.meta.date().unwrap().cmp(&a.meta.date().unwrap()));
+
+            (can_be_sorted, cannot_be_sorted)
+        },
+        SortBy::Order => {
+            let mut can_be_sorted = vec![];
+            let mut cannot_be_sorted = vec![];
+            for page in pages {
+                if page.meta.order.is_some() {
+                    can_be_sorted.push(page);
+                } else {
+                    cannot_be_sorted.push(page);
+                }
+            }
+            can_be_sorted.sort_by(|a, b| b.meta.order().cmp(&a.meta.order()));
+
+            (can_be_sorted, cannot_be_sorted)
+        },
+        SortBy::None => (pages,  vec![])
+    }
+}
+
+/// Horribly inefficient way to set previous and next on each pages
+/// So many clones
+pub fn populate_previous_and_next_pages(input: &[Page]) -> Vec<Page> {
+    let pages = input.to_vec();
+    let mut res = Vec::new();
+
+    // the input is already sorted
+    // We might put prev/next randomly if a page is missing date/order, probably fine
+    for (i, page) in input.iter().enumerate() {
+        let mut new_page = page.clone();
+
+        if i > 0 {
+            let next = &pages[i - 1];
+            new_page.next = Some(Box::new(next.clone()));
+        }
+
+        if i < input.len() - 1 {
+            let previous = &pages[i + 1];
+            new_page.previous = Some(Box::new(previous.clone()));
+        }
+        res.push(new_page);
+    }
+
+    res
+}
+
+#[cfg(test)]
+mod tests {
+    use front_matter::{PageFrontMatter};
+    use content::Page;
+    use super::{SortBy, sort_pages, populate_previous_and_next_pages};
+
+    fn create_page_with_date(date: &str) -> Page {
+        let mut front_matter = PageFrontMatter::default();
+        front_matter.date = Some(date.to_string());
+        Page::new(front_matter)
+    }
+
+    fn create_page_with_order(order: usize) -> Page {
+        let mut front_matter = PageFrontMatter::default();
+        front_matter.order = Some(order);
+        Page::new(front_matter)
+    }
+
+    #[test]
+    fn can_sort_by_dates() {
+        let input = vec![
+            create_page_with_date("2018-01-01"),
+            create_page_with_date("2017-01-01"),
+            create_page_with_date("2019-01-01"),
+        ];
+        let (pages, _) = sort_pages(input, SortBy::Date);
+        // Should be sorted by date
+        assert_eq!(pages[0].clone().meta.date.unwrap(), "2019-01-01");
+        assert_eq!(pages[1].clone().meta.date.unwrap(), "2018-01-01");
+        assert_eq!(pages[2].clone().meta.date.unwrap(), "2017-01-01");
+    }
+
+    #[test]
+    fn can_sort_by_order() {
+        let input = vec![
+            create_page_with_order(2),
+            create_page_with_order(3),
+            create_page_with_order(1),
+        ];
+        let (pages, _) = sort_pages(input, SortBy::Order);
+        // Should be sorted by date
+        assert_eq!(pages[0].clone().meta.order.unwrap(), 3);
+        assert_eq!(pages[1].clone().meta.order.unwrap(), 2);
+        assert_eq!(pages[2].clone().meta.order.unwrap(), 1);
+    }
+
+    #[test]
+    fn can_sort_by_none() {
+        let input = vec![
+            create_page_with_order(2),
+            create_page_with_order(3),
+            create_page_with_order(1),
+        ];
+        let (pages, _) = sort_pages(input, SortBy::None);
+        // Should be sorted by date
+        assert_eq!(pages[0].clone().meta.order.unwrap(), 2);
+        assert_eq!(pages[1].clone().meta.order.unwrap(), 3);
+        assert_eq!(pages[2].clone().meta.order.unwrap(), 1);
+    }
+
+    #[test]
+    fn ignore_page_with_missing_field() {
+        let input = vec![
+            create_page_with_order(2),
+            create_page_with_order(3),
+            create_page_with_date("2019-01-01"),
+        ];
+        let (pages, unsorted) = sort_pages(input, SortBy::Order);
+        assert_eq!(pages.len(), 2);
+        assert_eq!(unsorted.len(), 1);
+    }
+
+    #[test]
+    fn can_populate_previous_and_next_pages() {
+        let input = vec![
+            create_page_with_order(3),
+            create_page_with_order(2),
+            create_page_with_order(1),
+        ];
+        let pages = populate_previous_and_next_pages(input.as_slice());
+
+        assert!(pages[0].clone().next.is_none());
+        assert!(pages[0].clone().previous.is_some());
+        assert_eq!(pages[0].clone().previous.unwrap().meta.order.unwrap(), 2);
+
+        assert!(pages[1].clone().next.is_some());
+        assert!(pages[1].clone().previous.is_some());
+        assert_eq!(pages[1].clone().next.unwrap().meta.order.unwrap(), 3);
+        assert_eq!(pages[1].clone().previous.unwrap().meta.order.unwrap(), 1);
+
+        assert!(pages[2].clone().next.is_some());
+        assert!(pages[2].clone().previous.is_none());
+        assert_eq!(pages[2].clone().next.unwrap().meta.order.unwrap(), 2);
+    }
+}

src/content/utils.rs

@@ -0,0 +1,77 @@
+use std::fs::read_dir;
+use std::path::{Path, PathBuf};
+
+/// Looks into the current folder for the path and see if there's anything that is not a .md
+/// file. Those will be copied next to the rendered .html file
+pub fn find_related_assets(path: &Path) -> Vec<PathBuf> {
+    let mut assets = vec![];
+
+    for entry in read_dir(path).unwrap().filter_map(|e| e.ok()) {
+        let entry_path = entry.path();
+        if entry_path.is_file() {
+            match entry_path.extension() {
+                Some(e) => match e.to_str() {
+                    Some("md") => continue,
+                    _ => assets.push(entry_path.to_path_buf()),
+                },
+                None => continue,
+            }
+        }
+    }
+
+    assets
+}
+
+/// Get word count and estimated reading time
+pub fn get_reading_analytics(content: &str) -> (usize, usize) {
+    // Only works for latin language but good enough for a start
+    let word_count: usize = content.split_whitespace().count();
+
+    // https://help.medium.com/hc/en-us/articles/214991667-Read-time
+    // 275 seems a bit too high though
+    (word_count, (word_count / 200))
+}
+
+
+#[cfg(test)]
+mod tests {
+    use std::fs::File;
+
+    use tempdir::TempDir;
+
+    use super::{find_related_assets, get_reading_analytics};
+
+    #[test]
+    fn can_find_related_assets() {
+        let tmp_dir = TempDir::new("example").expect("create temp dir");
+        File::create(tmp_dir.path().join("index.md")).unwrap();
+        File::create(tmp_dir.path().join("example.js")).unwrap();
+        File::create(tmp_dir.path().join("graph.jpg")).unwrap();
+        File::create(tmp_dir.path().join("fail.png")).unwrap();
+
+        let assets = find_related_assets(tmp_dir.path());
+        assert_eq!(assets.len(), 3);
+        assert_eq!(assets.iter().filter(|p| p.extension().unwrap() != "md").count(), 3);
+        assert_eq!(assets.iter().filter(|p| p.file_name().unwrap() == "example.js").count(), 1);
+        assert_eq!(assets.iter().filter(|p| p.file_name().unwrap() == "graph.jpg").count(), 1);
+        assert_eq!(assets.iter().filter(|p| p.file_name().unwrap() == "fail.png").count(), 1);
+    }
+
+    #[test]
+    fn reading_analytics_short_text() {
+        let (word_count, reading_time) = get_reading_analytics("Hello World");
+        assert_eq!(word_count, 2);
+        assert_eq!(reading_time, 0);
+    }
+
+    #[test]
+    fn reading_analytics_long_text() {
+        let mut content = String::new();
+        for _ in 0..1000 {
+            content.push_str(" Hello world");
+        }
+        let (word_count, reading_time) = get_reading_analytics(&content);
+        assert_eq!(word_count, 2000);
+        assert_eq!(reading_time, 10);
+    }
+}

src/front_matter.rs

@@ -1,177 +0,0 @@
-use std::collections::HashMap;
-use std::path::Path;
-
-use toml;
-use tera::Value;
-use chrono::prelude::*;
-use regex::Regex;
-
-
-use errors::{Result, ResultExt};
-
-
-lazy_static! {
-    static ref PAGE_RE: Regex = Regex::new(r"^\r?\n?\+\+\+\r?\n((?s).*?(?-s))\+\+\+\r?\n?((?s).*(?-s))$").unwrap();
-}
-
-#[derive(Debug, Copy, Clone, PartialEq, Serialize, Deserialize)]
-#[serde(rename_all = "lowercase")]
-pub enum SortBy {
-    Date,
-    Order,
-    None,
-}
-
-/// The front matter of every page
-#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
-pub struct FrontMatter {
-    /// <title> of the page
-    pub title: Option<String>,
-    /// Description in <meta> that appears when linked, e.g. on twitter
-    pub description: Option<String>,
-    /// Date if we want to order pages (ie blog post)
-    pub date: Option<String>,
-    /// The page slug. Will be used instead of the filename if present
-    /// Can't be an empty string if present
-    pub slug: Option<String>,
-    /// The url the page appears at, overrides the slug if set in the front-matter
-    /// otherwise is set after parsing front matter and sections
-    /// Can't be an empty string if present
-    pub url: Option<String>,
-    /// Tags, not to be confused with categories
-    pub tags: Option<Vec<String>>,
-    /// Whether this page is a draft and should be published or not
-    pub draft: Option<bool>,
-    /// Only one category allowed
-    pub category: Option<String>,
-    /// Whether to sort by "date", "order" or "none". Defaults to `none`.
-    #[serde(skip_serializing)]
-    pub sort_by: Option<SortBy>,
-    /// Integer to use to order content. Lowest is at the bottom, highest first
-    pub order: Option<usize>,
-    /// Optional template, if we want to specify which template to render for that page
-    #[serde(skip_serializing)]
-    pub template: Option<String>,
-    /// How many pages to be displayed per paginated page. No pagination will happen if this isn't set
-    #[serde(skip_serializing)]
-    pub paginate_by: Option<usize>,
-    /// Path to be used by pagination: the page number will be appended after it. Defaults to `page`.
-    #[serde(skip_serializing)]
-    pub paginate_path: Option<String>,
-    /// Whether to render that page/section or not. Defaults to `true`.
-    #[serde(skip_serializing)]
-    pub render: Option<bool>,
-    /// Any extra parameter present in the front matter
-    pub extra: Option<HashMap<String, Value>>,
-}
-
-impl FrontMatter {
-    pub fn parse(toml: &str) -> Result<FrontMatter> {
-        let mut f: FrontMatter = match toml::from_str(toml) {
-            Ok(d) => d,
-            Err(e) => bail!(e),
-        };
-
-        if let Some(ref slug) = f.slug {
-            if slug == "" {
-                bail!("`slug` can't be empty if present")
-            }
-        }
-
-        if let Some(ref url) = f.url {
-            if url == "" {
-                bail!("`url` can't be empty if present")
-            }
-        }
-
-        if f.paginate_path.is_none() {
-            f.paginate_path = Some("page".to_string());
-        }
-
-        if f.render.is_none() {
-            f.render = Some(true);
-        }
-
-        Ok(f)
-    }
-
-    /// Converts the date in the front matter, which can be in 2 formats, into a NaiveDateTime
-    pub fn date(&self) -> Option<NaiveDateTime> {
-        match self.date {
-            Some(ref d) => {
-                if d.contains('T') {
-                    DateTime::parse_from_rfc3339(d).ok().and_then(|s| Some(s.naive_local()))
-                } else {
-                    NaiveDate::parse_from_str(d, "%Y-%m-%d").ok().and_then(|s| Some(s.and_hms(0,0,0)))
-                }
-            },
-            None => None,
-        }
-    }
-
-    pub fn order(&self) -> usize {
-        self.order.unwrap()
-    }
-
-    /// Returns the current sorting method, defaults to `None` (== no sorting)
-    pub fn sort_by(&self) -> SortBy {
-        match self.sort_by {
-            Some(ref s) => *s,
-            None => SortBy::None,
-        }
-    }
-
-    /// Only applies to section, whether it is paginated or not.
-    pub fn is_paginated(&self) -> bool {
-        match self.paginate_by {
-            Some(v) => v > 0,
-            None => false
-        }
-    }
-
-    pub fn should_render(&self) -> bool {
-        self.render.unwrap()
-    }
-}
-
-impl Default for FrontMatter {
-    fn default() -> FrontMatter {
-        FrontMatter {
-            title: None,
-            description: None,
-            date: None,
-            slug: None,
-            url: None,
-            tags: None,
-            draft: None,
-            category: None,
-            sort_by: None,
-            order: None,
-            template: None,
-            paginate_by: None,
-            paginate_path: None,
-            render: None,
-            extra: None,
-        }
-    }
-}
-
-/// Split a file between the front matter and its content
-/// It will parse the front matter as well and returns any error encountered
-pub fn split_content(file_path: &Path, content: &str) -> Result<(FrontMatter, String)> {
-    if !PAGE_RE.is_match(content) {
-        bail!("Couldn't find front matter in `{}`. Did you forget to add `+++`?", file_path.to_string_lossy());
-    }
-
-    // 2. extract the front matter and the content
-    let caps = PAGE_RE.captures(content).unwrap();
-    // caps[0] is the full match
-    let front_matter = &caps[1];
-    let content = &caps[2];
-
-    // 3. create our page, parse front matter and assign all of that
-    let meta = FrontMatter::parse(front_matter)
-        .chain_err(|| format!("Error when parsing front matter of file `{}`", file_path.to_string_lossy()))?;
-
-    Ok((meta, content.to_string()))
-}

src/front_matter/mod.rs

@@ -0,0 +1,122 @@
+use std::path::Path;
+
+use regex::Regex;
+
+use errors::{Result, ResultExt};
+
+mod page;
+mod section;
+
+pub use self::page::PageFrontMatter;
+pub use self::section::{SectionFrontMatter};
+
+lazy_static! {
+    static ref PAGE_RE: Regex = Regex::new(r"^[[:space:]]*\+\+\+\r?\n((?s).*?(?-s))\+\+\+\r?\n?((?s).*(?-s))$").unwrap();
+}
+
+/// Split a file between the front matter and its content
+/// Will return an error if the front matter wasn't found
+fn split_content(file_path: &Path, content: &str) -> Result<(String, String)> {
+    if !PAGE_RE.is_match(content) {
+        bail!("Couldn't find front matter in `{}`. Did you forget to add `+++`?", file_path.to_string_lossy());
+    }
+
+    // 2. extract the front matter and the content
+    let caps = PAGE_RE.captures(content).unwrap();
+    // caps[0] is the full match
+    // caps[1] => front matter
+    // caps[2] => content
+    Ok((caps[1].to_string(), caps[2].to_string()))
+}
+
+/// Split a file between the front matter and its content.
+/// Returns a parsed `SectionFrontMatter` and the rest of the content
+pub fn split_section_content(file_path: &Path, content: &str) -> Result<(SectionFrontMatter, String)> {
+    let (front_matter, content) = split_content(file_path, content)?;
+    let meta = SectionFrontMatter::parse(&front_matter)
+        .chain_err(|| format!("Error when parsing front matter of section `{}`", file_path.to_string_lossy()))?;
+    Ok((meta, content))
+}
+
+/// Split a file between the front matter and its content
+/// Returns a parsed `PageFrontMatter` and the rest of the content
+pub fn split_page_content(file_path: &Path, content: &str) -> Result<(PageFrontMatter, String)> {
+    let (front_matter, content) = split_content(file_path, content)?;
+    let meta = PageFrontMatter::parse(&front_matter)
+        .chain_err(|| format!("Error when parsing front matter of section `{}`", file_path.to_string_lossy()))?;
+    Ok((meta, content))
+}
+
+#[cfg(test)]
+mod tests {
+    use std::path::Path;
+
+    use super::{split_section_content, split_page_content};
+
+    #[test]
+    fn can_split_page_content_valid() {
+        let content = r#"
++++
+title = "Title"
+description = "hey there"
+date = "2002/10/12"
++++
+Hello
+"#;
+        let (front_matter, content) = split_page_content(Path::new(""), content).unwrap();
+        assert_eq!(content, "Hello\n");
+        assert_eq!(front_matter.title.unwrap(), "Title");
+    }
+
+    #[test]
+    fn can_split_section_content_valid() {
+        let content = r#"
++++
+paginate_by = 10
++++
+Hello
+"#;
+        let (front_matter, content) = split_section_content(Path::new(""), content).unwrap();
+        assert_eq!(content, "Hello\n");
+        assert!(front_matter.is_paginated());
+    }
+
+    #[test]
+    fn can_split_content_with_only_frontmatter_valid() {
+        let content = r#"
++++
+title = "Title"
+description = "hey there"
+date = "2002/10/12"
++++"#;
+        let (front_matter, content) = split_page_content(Path::new(""), content).unwrap();
+        assert_eq!(content, "");
+        assert_eq!(front_matter.title.unwrap(), "Title");
+    }
+
+    #[test]
+    fn can_split_content_lazily() {
+        let content = r#"
++++
+title = "Title"
+description = "hey there"
+date = "2002-10-02T15:00:00Z"
++++
++++"#;
+        let (front_matter, content) = split_page_content(Path::new(""), content).unwrap();
+        assert_eq!(content, "+++");
+        assert_eq!(front_matter.title.unwrap(), "Title");
+    }
+
+    #[test]
+    fn errors_if_cannot_locate_frontmatter() {
+        let content = r#"
++++
+title = "Title"
+description = "hey there"
+date = "2002/10/12""#;
+        let res = split_page_content(Path::new(""), content);
+        assert!(res.is_err());
+    }
+
+}

src/front_matter/page.rs

@@ -0,0 +1,219 @@
+use std::collections::HashMap;
+
+use chrono::prelude::*;
+use tera::Value;
+use toml;
+
+use errors::{Result};
+
+/// The front matter of every page
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+pub struct PageFrontMatter {
+    /// <title> of the page
+    pub title: Option<String>,
+    /// Description in <meta> that appears when linked, e.g. on twitter
+    pub description: Option<String>,
+    /// Date if we want to order pages (ie blog post)
+    pub date: Option<String>,
+    /// The page slug. Will be used instead of the filename if present
+    /// Can't be an empty string if present
+    pub slug: Option<String>,
+    /// The url the page appears at, overrides the slug if set in the front-matter
+    /// otherwise is set after parsing front matter and sections
+    /// Can't be an empty string if present
+    pub url: Option<String>,
+    /// Tags, not to be confused with categories
+    pub tags: Option<Vec<String>>,
+    /// Whether this page is a draft and should be published or not
+    pub draft: Option<bool>,
+    /// Only one category allowed. Can't be an empty string if present
+    pub category: Option<String>,
+    /// Integer to use to order content. Lowest is at the bottom, highest first
+    pub order: Option<usize>,
+    /// Specify a template different from `page.html` to use for that page
+    #[serde(skip_serializing)]
+    pub template: Option<String>,
+    /// Any extra parameter present in the front matter
+    pub extra: Option<HashMap<String, Value>>,
+}
+
+impl PageFrontMatter {
+    pub fn parse(toml: &str) -> Result<PageFrontMatter> {
+        let f: PageFrontMatter = match toml::from_str(toml) {
+            Ok(d) => d,
+            Err(e) => bail!(e),
+        };
+
+        if let Some(ref slug) = f.slug {
+            if slug == "" {
+                bail!("`slug` can't be empty if present")
+            }
+        }
+
+        if let Some(ref url) = f.url {
+            if url == "" {
+                bail!("`url` can't be empty if present")
+            }
+        }
+
+        if let Some(ref category) = f.category {
+            if category == "" {
+                bail!("`category` can't be empty if present")
+            }
+        }
+
+        Ok(f)
+    }
+
+    /// Converts the date in the front matter, which can be in 2 formats, into a NaiveDateTime
+    pub fn date(&self) -> Option<NaiveDateTime> {
+        match self.date {
+            Some(ref d) => {
+                if d.contains('T') {
+                    DateTime::parse_from_rfc3339(d).ok().and_then(|s| Some(s.naive_local()))
+                } else {
+                    NaiveDate::parse_from_str(d, "%Y-%m-%d").ok().and_then(|s| Some(s.and_hms(0,0,0)))
+                }
+            },
+            None => None,
+        }
+    }
+
+    pub fn order(&self) -> usize {
+        self.order.unwrap()
+    }
+
+    pub fn has_tags(&self) -> bool {
+        match self.tags {
+            Some(ref t) => !t.is_empty(),
+            None => false
+        }
+    }
+}
+
+impl Default for PageFrontMatter {
+    fn default() -> PageFrontMatter {
+        PageFrontMatter {
+            title: None,
+            description: None,
+            date: None,
+            slug: None,
+            url: None,
+            tags: None,
+            draft: None,
+            category: None,
+            order: None,
+            template: None,
+            extra: None,
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::PageFrontMatter;
+
+    #[test]
+    fn can_have_empty_front_matter() {
+        let content = r#"  "#;
+        let res = PageFrontMatter::parse(content);
+        assert!(res.is_ok());
+    }
+
+    #[test]
+    fn can_parse_valid_front_matter() {
+        let content = r#"
+    title = "Hello"
+    description = "hey there""#;
+        let res = PageFrontMatter::parse(content);
+        assert!(res.is_ok());
+        let res = res.unwrap();
+        assert_eq!(res.title.unwrap(), "Hello".to_string());
+        assert_eq!(res.description.unwrap(), "hey there".to_string())
+    }
+
+    #[test]
+    fn can_parse_tags() {
+        let content = r#"
+    title = "Hello"
+    description = "hey there"
+    slug = "hello-world"
+    tags = ["rust", "html"]"#;
+        let res = PageFrontMatter::parse(content);
+        assert!(res.is_ok());
+        let res = res.unwrap();
+
+        assert_eq!(res.title.unwrap(), "Hello".to_string());
+        assert_eq!(res.slug.unwrap(), "hello-world".to_string());
+        assert_eq!(res.tags.unwrap(), ["rust".to_string(), "html".to_string()]);
+    }
+
+    #[test]
+    fn errors_with_invalid_front_matter() {
+        let content = r#"title = 1\n"#;
+        let res = PageFrontMatter::parse(content);
+        assert!(res.is_err());
+    }
+
+    #[test]
+    fn errors_on_non_string_tag() {
+        let content = r#"
+    title = "Hello"
+    description = "hey there"
+    slug = "hello-world"
+    tags = ["rust", 1]"#;
+        let res = PageFrontMatter::parse(content);
+        assert!(res.is_err());
+    }
+
+    #[test]
+    fn errors_on_present_but_empty_slug() {
+        let content = r#"
+    title = "Hello"
+    description = "hey there"
+    slug = """#;
+        let res = PageFrontMatter::parse(content);
+        assert!(res.is_err());
+    }
+
+    #[test]
+    fn errors_on_present_but_empty_url() {
+        let content = r#"
+    title = "Hello"
+    description = "hey there"
+    url = """#;
+        let res = PageFrontMatter::parse(content);
+        assert!(res.is_err());
+    }
+
+    #[test]
+    fn can_parse_date_yyyy_mm_dd() {
+        let content = r#"
+    title = "Hello"
+    description = "hey there"
+    date = "2016-10-10""#;
+        let res = PageFrontMatter::parse(content).unwrap();
+        assert!(res.date().is_some());
+    }
+
+    #[test]
+    fn can_parse_date_rfc3339() {
+        let content = r#"
+    title = "Hello"
+    description = "hey there"
+    date = "2002-10-02T15:00:00Z""#;
+        let res = PageFrontMatter::parse(content).unwrap();
+        assert!(res.date().is_some());
+    }
+
+    #[test]
+    fn cannot_parse_random_date_format() {
+        let content = r#"
+    title = "Hello"
+    description = "hey there"
+    date = "2002/10/12""#;
+        let res = PageFrontMatter::parse(content).unwrap();
+        assert!(res.date().is_none());
+    }
+
+}

src/front_matter/section.rs

@@ -0,0 +1,93 @@
+use std::collections::HashMap;
+
+use tera::Value;
+use toml;
+
+use errors::{Result};
+use content::SortBy;
+
+static DEFAULT_PAGINATE_PATH: &'static str = "page";
+
+
+/// The front matter of every section
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+pub struct SectionFrontMatter {
+    /// <title> of the page
+    pub title: Option<String>,
+    /// Description in <meta> that appears when linked, e.g. on twitter
+    pub description: Option<String>,
+    /// Whether to sort by "date", "order" or "none". Defaults to `none`.
+    #[serde(skip_serializing)]
+    pub sort_by: Option<SortBy>,
+    /// Optional template, if we want to specify which template to render for that page
+    #[serde(skip_serializing)]
+    pub template: Option<String>,
+    /// How many pages to be displayed per paginated page. No pagination will happen if this isn't set
+    #[serde(skip_serializing)]
+    pub paginate_by: Option<usize>,
+    /// Path to be used by pagination: the page number will be appended after it. Defaults to `page`.
+    #[serde(skip_serializing)]
+    pub paginate_path: Option<String>,
+    /// Whether to render that section or not. Defaults to `true`.
+    /// Useful when the section is only there to organize things but is not meant
+    /// to be used directly, like a posts section in a personal site
+    #[serde(skip_serializing)]
+    pub render: Option<bool>,
+    /// Any extra parameter present in the front matter
+    pub extra: Option<HashMap<String, Value>>,
+}
+
+impl SectionFrontMatter {
+    pub fn parse(toml: &str) -> Result<SectionFrontMatter> {
+        let mut f: SectionFrontMatter = match toml::from_str(toml) {
+            Ok(d) => d,
+            Err(e) => bail!(e),
+        };
+
+        if f.paginate_path.is_none() {
+            f.paginate_path = Some(DEFAULT_PAGINATE_PATH.to_string());
+        }
+
+        if f.render.is_none() {
+            f.render = Some(true);
+        }
+
+        if f.sort_by.is_none() {
+            f.sort_by = Some(SortBy::None);
+        }
+
+        Ok(f)
+    }
+
+    /// Returns the current sorting method, defaults to `None` (== no sorting)
+    pub fn sort_by(&self) -> SortBy {
+        self.sort_by.unwrap()
+    }
+
+    /// Only applies to section, whether it is paginated or not.
+    pub fn is_paginated(&self) -> bool {
+        match self.paginate_by {
+            Some(v) => v > 0,
+            None => false
+        }
+    }
+
+    pub fn should_render(&self) -> bool {
+        self.render.unwrap()
+    }
+}
+
+impl Default for SectionFrontMatter {
+    fn default() -> SectionFrontMatter {
+        SectionFrontMatter {
+            title: None,
+            description: None,
+            sort_by: None,
+            template: None,
+            paginate_by: None,
+            paginate_path: Some(DEFAULT_PAGINATE_PATH.to_string()),
+            render: Some(true),
+            extra: None,
+        }
+    }
+}

src/lib.rs

@@ -22,21 +22,16 @@ extern crate tempdir;
 mod utils;
 mod config;
 pub mod errors;
-mod page;
 mod front_matter;
+mod content;
 mod site;
 mod markdown;
-mod section;
+// Filters, Global Fns and default instance of Tera
-mod pagination;
+mod templates;
-/// Additional filters for Tera
-mod filters;
-/// Global fns for Tera
-mod global_fns;
 
-pub use site::{Site, GUTENBERG_TERA};
+pub use site::{Site};
 pub use config::{Config, get_config};
-pub use front_matter::{FrontMatter, split_content, SortBy};
+pub use front_matter::{PageFrontMatter, SectionFrontMatter, split_page_content, split_section_content};
-pub use page::{Page, populate_previous_and_next_pages};
+pub use content::{Page, Section, SortBy, sort_pages, populate_previous_and_next_pages};
-pub use section::{Section};
 pub use utils::{create_file};
 pub use markdown::markdown_to_html;

src/markdown.rs

@@ -340,7 +340,7 @@ pub fn markdown_to_html(content: &str, permalinks: &HashMap<String, String>, ter
 mod tests {
     use std::collections::HashMap;
 
-    use site::GUTENBERG_TERA;
+    use templates::GUTENBERG_TERA;
     use tera::Tera;
 
     use config::Config;

src/page.rs

@@ -1,428 +0,0 @@
-/// A page, can be a blog post or a basic page
-use std::collections::HashMap;
-use std::fs::{read_dir};
-use std::path::{Path, PathBuf};
-use std::result::Result as StdResult;
-
-
-use tera::{Tera, Context};
-use serde::ser::{SerializeStruct, self};
-use slug::slugify;
-
-use errors::{Result, ResultExt};
-use config::Config;
-use front_matter::{FrontMatter, SortBy, split_content};
-use markdown::markdown_to_html;
-use utils::{read_file, find_content_components};
-
-
-
-/// Looks into the current folder for the path and see if there's anything that is not a .md
-/// file. Those will be copied next to the rendered .html file
-fn find_related_assets(path: &Path) -> Vec<PathBuf> {
-    let mut assets = vec![];
-
-    for entry in read_dir(path).unwrap().filter_map(|e| e.ok()) {
-        let entry_path = entry.path();
-        if entry_path.is_file() {
-            match entry_path.extension() {
-                Some(e) => match e.to_str() {
-                    Some("md") => continue,
-                    _ => assets.push(entry_path.to_path_buf()),
-                },
-                None => continue,
-            }
-        }
-    }
-
-    assets
-}
-
-
-#[derive(Clone, Debug, PartialEq)]
-pub struct Page {
-    /// The .md path
-    pub file_path: PathBuf,
-    /// The .md path, starting from the content directory, with / slashes
-    pub relative_path: String,
-    /// The parent directory of the file. Is actually the grand parent directory
-    /// if it's an asset folder
-    pub parent_path: PathBuf,
-    /// The name of the .md file
-    pub file_name: String,
-    /// The directories above our .md file
-    /// for example a file at content/kb/solutions/blabla.md will have 2 components:
-    /// `kb` and `solutions`
-    pub components: Vec<String>,
-    /// The actual content of the page, in markdown
-    pub raw_content: String,
-    /// All the non-md files we found next to the .md file
-    pub assets: Vec<PathBuf>,
-    /// The HTML rendered of the page
-    pub content: String,
-    /// The front matter meta-data
-    pub meta: FrontMatter,
-
-    /// The slug of that page.
-    /// First tries to find the slug in the meta and defaults to filename otherwise
-    pub slug: String,
-    /// The URL path of the page
-    pub path: String,
-    /// The full URL for that page
-    pub permalink: String,
-    /// The summary for the article, defaults to None
-    /// When <!-- more --> is found in the text, will take the content up to that part
-    /// as summary
-    pub summary: Option<String>,
-
-    /// The previous page, by whatever sorting is used for the index/section
-    pub previous: Option<Box<Page>>,
-    /// The next page, by whatever sorting is used for the index/section
-    pub next: Option<Box<Page>>,
-}
-
-
-impl Page {
-    pub fn new(meta: FrontMatter) -> Page {
-        Page {
-            file_path: PathBuf::new(),
-            relative_path: String::new(),
-            parent_path: PathBuf::new(),
-            file_name: "".to_string(),
-            components: vec![],
-            raw_content: "".to_string(),
-            assets: vec![],
-            content: "".to_string(),
-            slug: "".to_string(),
-            path: "".to_string(),
-            permalink: "".to_string(),
-            summary: None,
-            meta: meta,
-            previous: None,
-            next: None,
-        }
-    }
-
-    pub fn has_date(&self) -> bool {
-        self.meta.date.is_some()
-    }
-
-    /// Get word count and estimated reading time
-    pub fn get_reading_analytics(&self) -> (usize, usize) {
-        // Only works for latin language but good enough for a start
-        let word_count: usize = self.raw_content.split_whitespace().count();
-
-        // https://help.medium.com/hc/en-us/articles/214991667-Read-time
-        // 275 seems a bit too high though
-        (word_count, (word_count / 200))
-    }
-
-    /// Parse a page given the content of the .md file
-    /// Files without front matter or with invalid front matter are considered
-    /// erroneous
-    pub fn parse(file_path: &Path, content: &str, config: &Config) -> Result<Page> {
-        // 1. separate front matter from content
-        let (meta, content) = split_content(file_path, content)?;
-        let mut page = Page::new(meta);
-        page.file_path = file_path.to_path_buf();
-        page.parent_path = page.file_path.parent().unwrap().to_path_buf();
-        page.raw_content = content;
-
-        let path = Path::new(file_path);
-        page.file_name = path.file_stem().unwrap().to_string_lossy().to_string();
-
-        page.slug = {
-            if let Some(ref slug) = page.meta.slug {
-                slug.trim().to_string()
-            } else {
-                slugify(page.file_name.clone())
-            }
-        };
-        page.components = find_content_components(&page.file_path);
-        page.relative_path = format!("{}/{}.md", page.components.join("/"), page.file_name);
-
-        // 4. Find sections
-        // Pages with custom urls exists outside of sections
-        let mut path_set = false;
-        if let Some(ref u) = page.meta.url {
-            page.path = u.trim().to_string();
-            path_set = true;
-        }
-
-        if !page.components.is_empty() {
-            // If we have a folder with an asset, don't consider it as a component
-            if page.file_name == "index" {
-                page.components.pop();
-                // also set parent_path to grandparent instead
-                page.parent_path = page.parent_path.parent().unwrap().to_path_buf();
-            }
-            if !path_set {
-                // Don't add a trailing slash to sections
-                page.path = format!("{}/{}", page.components.join("/"), page.slug);
-            }
-        } else if !path_set {
-            page.path = page.slug.clone();
-        }
-
-        page.permalink = config.make_permalink(&page.path);
-
-        Ok(page)
-    }
-
-    /// Read and parse a .md file into a Page struct
-    pub fn from_file<P: AsRef<Path>>(path: P, config: &Config) -> Result<Page> {
-        let path = path.as_ref();
-        let content = read_file(path)?;
-        let mut page = Page::parse(path, &content, config)?;
-        page.assets = find_related_assets(path.parent().unwrap());
-
-        if !page.assets.is_empty() && page.file_name != "index" {
-            bail!("Page `{}` has assets ({:?}) but is not named index.md", path.display(), page.assets);
-        }
-
-        Ok(page)
-
-    }
-
-    /// We need access to all pages url to render links relative to content
-    /// so that can't happen at the same time as parsing
-    pub fn render_markdown(&mut self, permalinks: &HashMap<String, String>, tera: &Tera, config: &Config) -> Result<()> {
-        self.content = markdown_to_html(&self.raw_content, permalinks, tera, config)?;
-
-        if self.raw_content.contains("<!-- more -->") {
-            self.summary = Some({
-                let summary = self.raw_content.splitn(2, "<!-- more -->").collect::<Vec<&str>>()[0];
-                markdown_to_html(summary, permalinks, tera, config)?
-            })
-        }
-
-        Ok(())
-    }
-
-    /// Renders the page using the default layout, unless specified in front-matter
-    pub fn render_html(&self, tera: &Tera, config: &Config) -> Result<String> {
-        let tpl_name = match self.meta.template {
-            Some(ref l) => l.to_string(),
-            None => "page.html".to_string()
-        };
-
-        let mut context = Context::new();
-        context.add("config", config);
-        context.add("page", self);
-        context.add("current_url", &self.permalink);
-        context.add("current_path", &self.path);
-
-        tera.render(&tpl_name, &context)
-            .chain_err(|| format!("Failed to render page '{}'", self.file_path.display()))
-    }
-}
-
-impl ser::Serialize for Page {
-    fn serialize<S>(&self, serializer: S) -> StdResult<S::Ok, S::Error> where S: ser::Serializer {
-        let mut state = serializer.serialize_struct("page", 16)?;
-        state.serialize_field("content", &self.content)?;
-        state.serialize_field("title", &self.meta.title)?;
-        state.serialize_field("description", &self.meta.description)?;
-        state.serialize_field("date", &self.meta.date)?;
-        state.serialize_field("slug", &self.slug)?;
-        state.serialize_field("path", &format!("/{}", self.path))?;
-        state.serialize_field("permalink", &self.permalink)?;
-        state.serialize_field("summary", &self.summary)?;
-        state.serialize_field("tags", &self.meta.tags)?;
-        state.serialize_field("draft", &self.meta.draft)?;
-        state.serialize_field("category", &self.meta.category)?;
-        state.serialize_field("extra", &self.meta.extra)?;
-        let (word_count, reading_time) = self.get_reading_analytics();
-        state.serialize_field("word_count", &word_count)?;
-        state.serialize_field("reading_time", &reading_time)?;
-        state.serialize_field("previous", &self.previous)?;
-        state.serialize_field("next", &self.next)?;
-        state.end()
-    }
-}
-
-/// Sort pages using the method for the given section
-///
-/// Any pages that doesn't have a date when the sorting method is date or order
-/// when the sorting method is order will be ignored.
-pub fn sort_pages(pages: Vec<Page>, sort_by: SortBy) -> (Vec<Page>, Vec<Page>) {
-    match sort_by {
-        SortBy::Date => {
-            let mut can_be_sorted = vec![];
-            let mut cannot_be_sorted = vec![];
-            for page in pages {
-                if page.meta.date.is_some() {
-                    can_be_sorted.push(page);
-                } else {
-                    cannot_be_sorted.push(page);
-                }
-            }
-            can_be_sorted.sort_by(|a, b| b.meta.date().unwrap().cmp(&a.meta.date().unwrap()));
-
-            (can_be_sorted, cannot_be_sorted)
-        },
-        SortBy::Order => {
-            let mut can_be_sorted = vec![];
-            let mut cannot_be_sorted = vec![];
-            for page in pages {
-                if page.meta.order.is_some() {
-                    can_be_sorted.push(page);
-                } else {
-                    cannot_be_sorted.push(page);
-                }
-            }
-            can_be_sorted.sort_by(|a, b| b.meta.order().cmp(&a.meta.order()));
-
-            (can_be_sorted, cannot_be_sorted)
-        },
-        SortBy::None => {
-            let mut p = vec![];
-            for page in pages {
-                p.push(page);
-            }
-
-            (p, vec![])
-        },
-    }
-}
-
-/// Horribly inefficient way to set previous and next on each pages
-/// So many clones
-pub fn populate_previous_and_next_pages(input: &[Page]) -> Vec<Page> {
-    let pages = input.to_vec();
-    let mut res = Vec::new();
-
-    // the input is already sorted
-    // We might put prev/next randomly if a page is missing date/order, probably fine
-    for (i, page) in input.iter().enumerate() {
-        let mut new_page = page.clone();
-
-        if i > 0 {
-            let next = &pages[i - 1];
-            new_page.next = Some(Box::new(next.clone()));
-        }
-
-        if i < input.len() - 1 {
-            let previous = &pages[i + 1];
-            new_page.previous = Some(Box::new(previous.clone()));
-        }
-        res.push(new_page);
-    }
-
-    res
-}
-
-#[cfg(test)]
-mod tests {
-    use tempdir::TempDir;
-
-    use std::fs::File;
-
-    use front_matter::{FrontMatter, SortBy};
-    use super::{Page, find_related_assets, sort_pages, populate_previous_and_next_pages};
-
-    fn create_page_with_date(date: &str) -> Page {
-        let mut front_matter = FrontMatter::default();
-        front_matter.date = Some(date.to_string());
-        Page::new(front_matter)
-    }
-
-    fn create_page_with_order(order: usize) -> Page {
-        let mut front_matter = FrontMatter::default();
-        front_matter.order = Some(order);
-        Page::new(front_matter)
-    }
-
-    #[test]
-    fn test_find_related_assets() {
-        let tmp_dir = TempDir::new("example").expect("create temp dir");
-        File::create(tmp_dir.path().join("index.md")).unwrap();
-        File::create(tmp_dir.path().join("example.js")).unwrap();
-        File::create(tmp_dir.path().join("graph.jpg")).unwrap();
-        File::create(tmp_dir.path().join("fail.png")).unwrap();
-
-        let assets = find_related_assets(tmp_dir.path());
-        assert_eq!(assets.len(), 3);
-        assert_eq!(assets.iter().filter(|p| p.extension().unwrap() != "md").count(), 3);
-        assert_eq!(assets.iter().filter(|p| p.file_name().unwrap() == "example.js").count(), 1);
-        assert_eq!(assets.iter().filter(|p| p.file_name().unwrap() == "graph.jpg").count(), 1);
-        assert_eq!(assets.iter().filter(|p| p.file_name().unwrap() == "fail.png").count(), 1);
-    }
-
-    #[test]
-    fn test_can_sort_dates() {
-        let input = vec![
-            create_page_with_date("2018-01-01"),
-            create_page_with_date("2017-01-01"),
-            create_page_with_date("2019-01-01"),
-        ];
-        let (pages, _) = sort_pages(input, SortBy::Date);
-        // Should be sorted by date
-        assert_eq!(pages[0].clone().meta.date.unwrap(), "2019-01-01");
-        assert_eq!(pages[1].clone().meta.date.unwrap(), "2018-01-01");
-        assert_eq!(pages[2].clone().meta.date.unwrap(), "2017-01-01");
-    }
-
-    #[test]
-    fn test_can_sort_order() {
-        let input = vec![
-            create_page_with_order(2),
-            create_page_with_order(3),
-            create_page_with_order(1),
-        ];
-        let (pages, _) = sort_pages(input, SortBy::Order);
-        // Should be sorted by date
-        assert_eq!(pages[0].clone().meta.order.unwrap(), 3);
-        assert_eq!(pages[1].clone().meta.order.unwrap(), 2);
-        assert_eq!(pages[2].clone().meta.order.unwrap(), 1);
-    }
-
-    #[test]
-    fn test_can_sort_none() {
-        let input = vec![
-            create_page_with_order(2),
-            create_page_with_order(3),
-            create_page_with_order(1),
-        ];
-        let (pages, _) = sort_pages(input, SortBy::None);
-        // Should be sorted by date
-        assert_eq!(pages[0].clone().meta.order.unwrap(), 2);
-        assert_eq!(pages[1].clone().meta.order.unwrap(), 3);
-        assert_eq!(pages[2].clone().meta.order.unwrap(), 1);
-    }
-
-    #[test]
-    fn test_ignore_page_with_missing_field() {
-        let input = vec![
-            create_page_with_order(2),
-            create_page_with_order(3),
-            create_page_with_date("2019-01-01"),
-        ];
-        let (pages, unsorted) = sort_pages(input, SortBy::Order);
-        assert_eq!(pages.len(), 2);
-        assert_eq!(unsorted.len(), 1);
-    }
-
-    #[test]
-    fn test_populate_previous_and_next_pages() {
-        let input = vec![
-            create_page_with_order(3),
-            create_page_with_order(2),
-            create_page_with_order(1),
-        ];
-        let pages = populate_previous_and_next_pages(input.as_slice());
-
-        assert!(pages[0].clone().next.is_none());
-        assert!(pages[0].clone().previous.is_some());
-        assert_eq!(pages[0].clone().previous.unwrap().meta.order.unwrap(), 2);
-
-        assert!(pages[1].clone().next.is_some());
-        assert!(pages[1].clone().previous.is_some());
-        assert_eq!(pages[1].clone().next.unwrap().meta.order.unwrap(), 3);
-        assert_eq!(pages[1].clone().previous.unwrap().meta.order.unwrap(), 1);
-
-        assert!(pages[2].clone().next.is_some());
-        assert!(pages[2].clone().previous.is_none());
-        assert_eq!(pages[2].clone().next.unwrap().meta.order.unwrap(), 2);
-    }
-}

src/site.rs

@@ -10,43 +10,9 @@ use walkdir::WalkDir;
 
 use errors::{Result, ResultExt};
 use config::{Config, get_config};
-use page::{Page, populate_previous_and_next_pages, sort_pages};
-use pagination::Paginator;
 use utils::{create_file, create_directory};
-use section::{Section};
+use content::{Page, Section, Paginator, SortBy, populate_previous_and_next_pages, sort_pages};
-use front_matter::{SortBy};
+use templates::{GUTENBERG_TERA, global_fns, render_redirect_template};
-use filters;
-use global_fns;
-
-
-lazy_static! {
-    pub static ref GUTENBERG_TERA: Tera = {
-        let mut tera = Tera::default();
-        tera.add_raw_templates(vec![
-            ("rss.xml", include_str!("templates/rss.xml")),
-            ("sitemap.xml", include_str!("templates/sitemap.xml")),
-            ("robots.txt", include_str!("templates/robots.txt")),
-            ("anchor-link.html", include_str!("templates/anchor-link.html")),
-
-            ("shortcodes/youtube.html", include_str!("templates/shortcodes/youtube.html")),
-            ("shortcodes/vimeo.html", include_str!("templates/shortcodes/vimeo.html")),
-            ("shortcodes/gist.html", include_str!("templates/shortcodes/gist.html")),
-
-            ("internal/alias.html", include_str!("templates/internal/alias.html")),
-        ]).unwrap();
-        tera
-    };
-}
-
-/// Renders the `internal/alias.html` template that will redirect
-/// via refresh to the url given
-fn render_alias(url: &str, tera: &Tera) -> Result<String> {
-    let mut context = Context::new();
-    context.add("url", &url);
-
-    tera.render("internal/alias.html", &context)
-        .chain_err(|| format!("Failed to render alias for '{}'", url))
-}
 
 
 #[derive(Debug, PartialEq)]
@@ -85,6 +51,8 @@ pub struct Site {
     static_path: PathBuf,
     pub tags: HashMap<String, Vec<PathBuf>>,
     pub categories: HashMap<String, Vec<PathBuf>>,
+    /// A map of all .md files (section and pages) and their permalink
+    /// We need that if there are relative links in the content that need to be resolved
     pub permalinks: HashMap<String, String>,
 }
 
@@ -97,9 +65,6 @@ impl Site {
         let tpl_glob = format!("{}/{}", path.to_string_lossy().replace("\\", "/"), "templates/**/*.*ml");
         let mut tera = Tera::new(&tpl_glob).chain_err(|| "Error parsing templates")?;
         tera.extend(&GUTENBERG_TERA)?;
-        tera.register_filter("markdown", filters::markdown);
-        tera.register_filter("base64_encode", filters::base64_encode);
-        tera.register_filter("base64_decode", filters::base64_decode);
 
         let site = Site {
             base_path: path.to_path_buf(),
@@ -124,6 +89,7 @@ impl Site {
     }
 
     /// Gets the path of all ignored pages in the site
+    /// Used for reporting them in the CLI
     pub fn get_ignored_pages(&self) -> Vec<PathBuf> {
         self.sections
             .values()
@@ -149,6 +115,17 @@ impl Site {
         orphans
     }
 
+    /// Finds the section that contains the page given if there is one
+    pub fn find_parent_section(&self, page: &Page) -> Option<&Section> {
+        for section in self.sections.values() {
+            if section.is_child_page(page) {
+                return Some(section)
+            }
+        }
+
+        None
+    }
+
     /// Used by tests to change the output path to a tmp dir
     #[doc(hidden)]
     pub fn set_output_path<P: AsRef<Path>>(&mut self, path: P) {
@@ -161,34 +138,32 @@ impl Site {
         let base_path = self.base_path.to_string_lossy().replace("\\", "/");
         let content_glob = format!("{}/{}", base_path, "content/**/*.md");
 
-        // TODO: make that parallel, that's the main bottleneck
-        // `add_section` and `add_page` can't be used in the parallel version afaik
         for entry in glob(&content_glob).unwrap().filter_map(|e| e.ok()) {
             let path = entry.as_path();
             if path.file_name().unwrap() == "_index.md" {
-                self.add_section(path)?;
+                self.add_section(path, false)?;
             } else {
-                self.add_page(path)?;
+                self.add_page(path, false)?;
             }
         }
-
+        // Insert a default index section so we don't need to create a _index.md to render
-        // A map of all .md files (section and pages) and their permalink
+        // the index page
-        // We need that if there are relative links in the content that need to be resolved
+        let index_path = self.base_path.join("content").join("_index.md");
-        let mut permalinks = HashMap::new();
+        if !self.sections.contains_key(&index_path) {
-
+            let mut index_section = Section::default();
-        for page in self.pages.values() {
+            index_section.permalink = self.config.make_permalink("");
-            permalinks.insert(page.relative_path.clone(), page.permalink.clone());
+            self.sections.insert(index_path, index_section);
-        }
-
-        for section in self.sections.values() {
-            permalinks.insert(section.relative_path.clone(), section.permalink.clone());
         }
 
+        // TODO: make that parallel
         for page in self.pages.values_mut() {
-            page.render_markdown(&permalinks, &self.tera, &self.config)?;
+            page.render_markdown(&self.permalinks, &self.tera, &self.config)?;
+        }
+        // TODO: make that parallel
+        for section in self.sections.values_mut() {
+            section.render_markdown(&self.permalinks, &self.tera, &self.config)?;
         }
 
-        self.permalinks = permalinks;
         self.populate_sections();
         self.populate_tags_and_categories();
 
@@ -197,59 +172,82 @@ impl Site {
         Ok(())
     }
 
-    /// Simple wrapper fn to avoid repeating that code in several places
+    /// Add a page to the site
-    fn add_page(&mut self, path: &Path) -> Result<()> {
+    /// The `render` parameter is used in the serve command, when rebuilding a page.
+    /// If `true`, it will also render the markdown for that page
+    /// Returns the previous page struct if there was one
+    pub fn add_page(&mut self, path: &Path, render: bool) -> Result<Option<Page>> {
         let page = Page::from_file(&path, &self.config)?;
-        self.pages.insert(page.file_path.clone(), page);
-        Ok(())
-    }
-
-    /// Simple wrapper fn to avoid repeating that code in several places
-    fn add_section(&mut self, path: &Path) -> Result<()> {
-        let section = Section::from_file(path, &self.config)?;
-        self.sections.insert(section.parent_path.clone(), section);
-        Ok(())
-    }
-
-    /// Called in serve, add a page again updating permalinks and its content
-    /// The bool in the result is whether the front matter has been updated or not
-    fn add_page_and_render(&mut self, path: &Path) -> Result<(bool, Page)> {
-        let existing_page = self.pages.get(path).expect("Page was supposed to exist in add_page_and_render").clone();
-        self.add_page(path)?;
-        let mut page = self.pages.get_mut(path).unwrap();
         self.permalinks.insert(page.relative_path.clone(), page.permalink.clone());
-        page.render_markdown(&self.permalinks, &self.tera, &self.config)?;
+        let prev = self.pages.insert(page.file_path.clone(), page);
 
-        Ok((existing_page.meta != page.meta, page.clone()))
+        if render {
+            let mut page = self.pages.get_mut(path).unwrap();
+            page.render_markdown(&self.permalinks, &self.tera, &self.config)?;
+        }
+
+        Ok(prev)
+    }
+
+    /// Add a section to the site
+    /// The `render` parameter is used in the serve command, when rebuilding a page.
+    /// If `true`, it will also render the markdown for that page
+    /// Returns the previous page struct if there was one
+    pub fn add_section(&mut self, path: &Path, render: bool) -> Result<Option<Section>> {
+        let section = Section::from_file(path, &self.config)?;
+        self.permalinks.insert(section.relative_path.clone(), section.permalink.clone());
+        let prev = self.sections.insert(section.file_path.clone(), section);
+
+        if render {
+            let mut section = self.sections.get_mut(path).unwrap();
+            section.render_markdown(&self.permalinks, &self.tera, &self.config)?;
+        }
+
+        Ok(prev)
     }
 
     /// Find out the direct subsections of each subsection if there are some
     /// as well as the pages for each section
-    fn populate_sections(&mut self) {
+    pub fn populate_sections(&mut self) {
+        let mut grandparent_paths = HashMap::new();
+        for section in self.sections.values_mut() {
+            if let Some(grand_parent) = section.parent_path.parent() {
+                grandparent_paths.entry(grand_parent.to_path_buf()).or_insert_with(|| vec![]).push(section.clone());
+            }
+            // Make sure the pages of a section are empty since we can call that many times on `serve`
+            section.pages = vec![];
+            section.ignored_pages = vec![];
+        }
+
         for page in self.pages.values() {
-            if self.sections.contains_key(&page.parent_path) {
+            if self.sections.contains_key(&page.parent_path.join("_index.md")) {
-                self.sections.get_mut(&page.parent_path).unwrap().pages.push(page.clone());
+                self.sections.get_mut(&page.parent_path.join("_index.md")).unwrap().pages.push(page.clone());
             }
         }
 
-        let mut grandparent_paths = HashMap::new();
+        for section in self.sections.values_mut() {
-        for section in self.sections.values() {
+            match grandparent_paths.get(&section.parent_path) {
-            let grand_parent = section.parent_path.parent().unwrap().to_path_buf();
-            grandparent_paths.entry(grand_parent).or_insert_with(|| vec![]).push(section.clone());
-        }
-
-        for (parent_path, section) in &mut self.sections {
-            // TODO: avoid this clone
-            let (mut sorted_pages, cannot_be_sorted_pages) = sort_pages(section.pages.clone(), section.meta.sort_by());
-            sorted_pages = populate_previous_and_next_pages(&sorted_pages);
-            section.pages = sorted_pages;
-            section.ignored_pages = cannot_be_sorted_pages;
-
-            match grandparent_paths.get(parent_path) {
                 Some(paths) => section.subsections.extend(paths.clone()),
                 None => continue,
             };
         }
+
+        self.sort_sections_pages(None);
+    }
+
+    /// Sorts the pages of the section at the given path
+    /// By default will sort all sections but can be made to only sort a single one by providing a path
+    pub fn sort_sections_pages(&mut self, only: Option<&Path>) {
+        for (path, section) in &mut self.sections {
+            if let Some(p) = only {
+                if p != path {
+                    continue;
+                }
+            }
+            let (sorted_pages, cannot_be_sorted_pages) = sort_pages(section.pages.clone(), section.meta.sort_by());
+            section.pages = populate_previous_and_next_pages(&sorted_pages);
+            section.ignored_pages = cannot_be_sorted_pages;
+        }
     }
 
     /// Separated from `parse` for easier testing
@@ -285,7 +283,7 @@ impl Site {
         html
     }
 
-    pub fn ensure_public_directory_exists(&self) -> Result<()> {
+    fn ensure_public_directory_exists(&self) -> Result<()> {
         let public = self.output_path.clone();
         if !public.exists() {
             create_directory(&public)?;
@@ -332,57 +330,6 @@ impl Site {
         Ok(())
     }
 
-    pub fn rebuild_after_content_change(&mut self, path: &Path) -> Result<()> {
-        let is_section = path.ends_with("_index.md");
-
-        if path.exists() {
-            // file exists, either a new one or updating content
-            if is_section {
-                self.add_section(path)?;
-            } else {
-                // probably just an update so just re-parse that page
-                let (frontmatter_changed, page) = self.add_page_and_render(path)?;
-                // TODO: can probably be smarter and check what changed
-                if frontmatter_changed {
-                    self.populate_sections();
-                    self.populate_tags_and_categories();
-                    self.build()?;
-                } else {
-                    self.render_page(&page)?;
-                }
-            }
-        } else {
-            // File doesn't exist -> a deletion so we remove it from everything
-            let relative_path = if is_section {
-                self.sections[path].relative_path.clone()
-            } else {
-                self.pages[path].relative_path.clone()
-            };
-            self.permalinks.remove(&relative_path);
-
-            if is_section {
-                self.sections.remove(path);
-            } else {
-                self.pages.remove(path);
-            }
-            // TODO: probably no need to do that, we should be able to only re-render a page or a section.
-            self.populate_sections();
-            self.populate_tags_and_categories();
-            self.build()?;
-        }
-
-        Ok(())
-    }
-
-    pub fn rebuild_after_template_change(&mut self, path: &Path) -> Result<()> {
-        self.tera.full_reload()?;
-        match path.file_name().unwrap().to_str().unwrap() {
-            "sitemap.xml" => self.render_sitemap(),
-            "rss.xml" => self.render_rss_feed(),
-            _ => self.build() // TODO: change that
-        }
-    }
-
     /// Renders a single content page
     pub fn render_page(&self, page: &Page) -> Result<()> {
         self.ensure_public_directory_exists()?;
@@ -424,18 +371,16 @@ impl Site {
             self.render_rss_feed()?;
         }
         self.render_robots()?;
-        if self.config.generate_categories_pages.unwrap() {
+        // `render_categories` and `render_tags` will check whether the config allows
-            self.render_categories_and_tags(RenderList::Categories)?;
+        // them to render or not
-        }
+        self.render_categories()?;
-        if self.config.generate_tags_pages.unwrap() {
+        self.render_tags()?;
-            self.render_categories_and_tags(RenderList::Tags)?;
-        }
 
         self.copy_static_directory()
     }
 
     /// Renders robots.txt
-    fn render_robots(&self) -> Result<()> {
+    pub fn render_robots(&self) -> Result<()> {
         self.ensure_public_directory_exists()?;
         create_file(
             self.output_path.join("robots.txt"),
@@ -443,8 +388,27 @@ impl Site {
         )
     }
 
+    /// Renders all categories if the config allows it
+    pub fn render_categories(&self) -> Result<()> {
+        if self.config.generate_categories_pages.unwrap() {
+            self.render_categories_and_tags(RenderList::Categories)
+        } else {
+            Ok(())
+        }
+    }
+
+    /// Renders all tags if the config allows it
+    pub fn render_tags(&self) -> Result<()> {
+        if self.config.generate_tags_pages.unwrap() {
+            self.render_categories_and_tags(RenderList::Tags)
+        } else {
+            Ok(())
+        }
+    }
+
     /// Render the /{categories, list} pages and each individual category/tag page
     /// They are the same thing fundamentally, a list of pages with something in common
+    /// TODO: revisit this function, lots of things have changed since then
     fn render_categories_and_tags(&self, kind: RenderList) -> Result<()> {
         let items = match kind {
             RenderList::Categories => &self.categories,
@@ -516,7 +480,8 @@ impl Site {
         Ok(())
     }
 
-    fn render_sitemap(&self) -> Result<()> {
+    /// What it says on the tin
+    pub fn render_sitemap(&self) -> Result<()> {
         self.ensure_public_directory_exists()?;
         let mut context = Context::new();
         context.add("pages", &self.pages.values().collect::<Vec<&Page>>());
@@ -551,7 +516,7 @@ impl Site {
         Ok(())
     }
 
-    fn render_rss_feed(&self) -> Result<()> {
+    pub fn render_rss_feed(&self) -> Result<()> {
         self.ensure_public_directory_exists()?;
 
         let mut context = Context::new();
@@ -584,49 +549,67 @@ impl Site {
         Ok(())
     }
 
-    fn render_sections(&self) -> Result<()> {
+    /// Create a hashmap of paths to section
-        self.ensure_public_directory_exists()?;
+    /// For example `content/posts/_index.md` key will be `posts`
-        let public = self.output_path.clone();
+    fn get_sections_map(&self) -> HashMap<String, Section> {
-        let sections: HashMap<String, Section> = self.sections
+        self.sections
             .values()
             .map(|s| (s.components.join("/"), s.clone()))
-            .collect();
+            .collect()
+    }
 
-        for section in self.sections.values() {
+    /// Renders a single section
-            let mut output_path = public.to_path_buf();
+    pub fn render_section(&self, section: &Section, render_pages: bool) -> Result<()> {
-            for component in &section.components {
+        self.ensure_public_directory_exists()?;
-                output_path.push(component);
+        let public = self.output_path.clone();
 
-                if !output_path.exists() {
+        let mut output_path = public.to_path_buf();
-                    create_directory(&output_path)?;
+        for component in &section.components {
-                }
+            output_path.push(component);
+
+            if !output_path.exists() {
+                create_directory(&output_path)?;
             }
+        }
 
+        if render_pages {
             for page in &section.pages {
                 self.render_page(page)?;
             }
+        }
 
-            if !section.meta.should_render() {
+        if !section.meta.should_render() {
-                continue;
+            return Ok(());
-            }
+        }
 
-            if section.meta.is_paginated() {
+        if section.meta.is_paginated() {
-                self.render_paginated(&output_path, section)?;
+            self.render_paginated(&output_path, section)?;
-            } else {
+        } else {
-                let output = section.render_html(
+            let output = section.render_html(
-                    &sections,
+                if section.is_index() { self.get_sections_map() } else { HashMap::new() },
-                    &self.tera,
+                &self.tera,
-                    &self.config,
+                &self.config,
-                )?;
+            )?;
-                create_file(output_path.join("index.html"), &self.inject_livereload(output))?;
+            create_file(output_path.join("index.html"), &self.inject_livereload(output))?;
-            }
         }
 
         Ok(())
     }
 
+    pub fn render_index(&self) -> Result<()> {
+        self.render_section(&self.sections[&self.base_path.join("content").join("_index.md")], false)
+    }
+
+    /// Renders all sections
+    pub fn render_sections(&self) -> Result<()> {
+        for section in self.sections.values() {
+            self.render_section(section, true)?;
+        }
+        Ok(())
+    }
+
     /// Renders all pages that do not belong to any sections
-    fn render_orphan_pages(&self) -> Result<()> {
+    pub fn render_orphan_pages(&self) -> Result<()> {
         self.ensure_public_directory_exists()?;
 
         for page in self.get_all_orphan_pages() {
@@ -646,7 +629,6 @@ impl Site {
         };
 
         let paginator = Paginator::new(&section.pages, section);
-
         for (i, pager) in paginator.pagers.iter().enumerate() {
             let folder_path = output_path.join(&paginate_path);
             let page_path = folder_path.join(&format!("{}", i + 1));
@@ -657,7 +639,7 @@ impl Site {
                 create_file(page_path.join("index.html"), &self.inject_livereload(output))?;
             } else {
                 create_file(output_path.join("index.html"), &self.inject_livereload(output))?;
-                create_file(page_path.join("index.html"), &render_alias(&section.permalink, &self.tera)?)?;
+                create_file(page_path.join("index.html"), &render_redirect_template(&section.permalink, &self.tera)?)?;
             }
         }
 

src/templates/global_fns.rs

@@ -3,7 +3,7 @@ use std::path::{PathBuf};
 
 use tera::{GlobalFn, Value, from_value, to_value, Result};
 
-use page::Page;
+use content::Page;
 
 
 pub fn make_get_page(all_pages: &HashMap<PathBuf, Page>) -> GlobalFn {

src/templates/mod.rs

@@ -0,0 +1,39 @@
+use tera::{Tera, Context};
+
+use errors::{Result, ResultExt};
+
+pub mod filters;
+pub mod global_fns;
+
+lazy_static! {
+    pub static ref GUTENBERG_TERA: Tera = {
+        let mut tera = Tera::default();
+        tera.add_raw_templates(vec![
+            ("rss.xml", include_str!("builtins/rss.xml")),
+            ("sitemap.xml", include_str!("builtins/sitemap.xml")),
+            ("robots.txt", include_str!("builtins/robots.txt")),
+            ("anchor-link.html", include_str!("builtins/anchor-link.html")),
+
+            ("shortcodes/youtube.html", include_str!("builtins/shortcodes/youtube.html")),
+            ("shortcodes/vimeo.html", include_str!("builtins/shortcodes/vimeo.html")),
+            ("shortcodes/gist.html", include_str!("builtins/shortcodes/gist.html")),
+
+            ("internal/alias.html", include_str!("builtins/internal/alias.html")),
+        ]).unwrap();
+        tera.register_filter("markdown", filters::markdown);
+        tera.register_filter("base64_encode", filters::base64_encode);
+        tera.register_filter("base64_decode", filters::base64_decode);
+        tera
+    };
+}
+
+
+/// Renders the `internal/alias.html` template that will redirect
+/// via refresh to the url given
+pub fn render_redirect_template(url: &str, tera: &Tera) -> Result<String> {
+    let mut context = Context::new();
+    context.add("url", &url);
+
+    tera.render("internal/alias.html", &context)
+        .chain_err(|| format!("Failed to render alias for '{}'", url))
+}

src/utils.rs

@@ -21,7 +21,6 @@ pub fn create_directory<P: AsRef<Path>>(path: P) -> Result<()> {
     Ok(())
 }
 
-
 /// Return the content of a file, with error handling added
 pub fn read_file<P: AsRef<Path>>(path: P) -> Result<String> {
     let path = path.as_ref();
@@ -35,7 +34,7 @@ pub fn read_file<P: AsRef<Path>>(path: P) -> Result<String> {
 }
 
 
-/// Takes a full path to a .md and returns only the components after the `content` directory
+/// Takes a full path to a .md and returns only the components after the first `content` directory
 /// Will not return the filename as last component
 pub fn find_content_components<P: AsRef<Path>>(path: P) -> Vec<String> {
     let path = path.as_ref();

sublime_syntaxes/Jinj2.sublime-syntax

@@ -0,0 +1,180 @@
+%YAML 1.2
+---
+# http://www.sublimetext.com/docs/3/syntax.html
+name: Jinja2
+file_extensions:
+  - j2
+  - jinja2
+scope: source.jinja2
+contexts:
+  main:
+    - match: '({%)\s*(raw)\s*(%})'
+      captures:
+        1: entity.other.jinja2.delimiter.tag
+        2: keyword.control.jinja2
+        3: entity.other.jinja2.delimiter.tag
+      push:
+        - meta_scope: comment.block.jinja2.raw
+        - match: '({%)\s*(endraw)\s*(%})'
+          captures:
+            1: entity.other.jinja2.delimiter.tag
+            2: keyword.control.jinja2
+            3: entity.other.jinja2.delimiter.tag
+          pop: true
+    - match: "{#-?"
+      captures:
+        0: entity.other.jinja2.delimiter.comment
+      push:
+        - meta_scope: comment.block.jinja2
+        - match: "-?#}"
+          captures:
+            0: entity.other.jinja2.delimiter.comment
+          pop: true
+    - match: "{{-?"
+      captures:
+        0: entity.other.jinja2.delimiter.variable
+      push:
+        - meta_scope: meta.scope.jinja2.variable
+        - match: "-?}}"
+          captures:
+            0: entity.other.jinja2.delimiter.variable
+          pop: true
+        - include: expression
+    - match: "{%-?"
+      captures:
+        0: entity.other.jinja2.delimiter.tag
+      push:
+        - meta_scope: meta.scope.jinja2.tag
+        - match: "-?%}"
+          captures:
+            0: entity.other.jinja2.delimiter.tag
+          pop: true
+        - include: expression
+  escaped_char:
+    - match: '\\x[0-9A-F]{2}'
+      scope: constant.character.escape.hex.jinja2
+  escaped_unicode_char:
+    - match: '(\\U[0-9A-Fa-f]{8})|(\\u[0-9A-Fa-f]{4})|(\\N\{[a-zA-Z ]+\})'
+      captures:
+        1: constant.character.escape.unicode.16-bit-hex.jinja2
+        2: constant.character.escape.unicode.32-bit-hex.jinja2
+        3: constant.character.escape.unicode.name.jinja2
+  expression:
+    - match: '\s*\b(macro)\s+([a-zA-Z_][a-zA-Z0-9_]*)\b'
+      captures:
+        1: keyword.control.jinja2
+        2: variable.other.jinja2.macro
+    - match: '\s*\b(block)\s+([a-zA-Z_][a-zA-Z0-9_]*)\b'
+      captures:
+        1: keyword.control.jinja2
+        2: variable.other.jinja2.block
+    - match: '\s*\b(filter)\s+([a-zA-Z_][a-zA-Z0-9_]*)\b'
+      captures:
+        1: keyword.control.jinja2
+        2: variable.other.jinja2.filter
+    - match: '\s*\b(is)\s+([a-zA-Z_][a-zA-Z0-9_]*)\b'
+      captures:
+        1: keyword.control.jinja2
+        2: variable.other.jinja2.test
+    - match: '(?<=\{\%-|\{\%)\s*\b([a-zA-Z_][a-zA-Z0-9_]*)\b(?!\s*[,=])'
+      captures:
+        1: keyword.control.jinja2
+    - match: \b(and|else|if|in|import|not|or|recursive|with(out)?\s+context)\b
+      scope: keyword.control.jinja2
+    - match: '\b([Tt]rue|[Ff]alse|[Nn]one)\b'
+      scope: constant.language.jinja2
+    - match: \b(loop|super|self|varargs|kwargs)\b
+      scope: variable.language.jinja2
+    - match: "[a-zA-Z_][a-zA-Z0-9_]*"
+      scope: variable.other.jinja2
+    - match: (\+|\-|\*\*|\*|//|/|%)
+      scope: keyword.operator.arithmetic.jinja2
+    - match: '(\|)([a-zA-Z_][a-zA-Z0-9_]*)'
+      captures:
+        1: punctuation.other.jinja2
+        2: variable.other.jinja2.filter
+    - match: '(\.)([a-zA-Z_][a-zA-Z0-9_]*)'
+      captures:
+        1: punctuation.other.jinja2
+        2: variable.other.jinja2.attribute
+    - match: '\['
+      captures:
+        0: punctuation.other.jinja2
+      push:
+        - match: '\]'
+          captures:
+            0: punctuation.other.jinja2
+          pop: true
+        - include: expression
+    - match: \(
+      captures:
+        0: punctuation.other.jinja2
+      push:
+        - match: \)
+          captures:
+            0: punctuation.other.jinja2
+          pop: true
+        - include: expression
+    - match: '\{'
+      captures:
+        0: punctuation.other.jinja2
+      push:
+        - match: '\}'
+          captures:
+            0: punctuation.other.jinja2
+          pop: true
+        - include: expression
+    - match: (\.|:|\||,)
+      scope: punctuation.other.jinja2
+    - match: (==|<=|=>|<|>|!=)
+      scope: keyword.operator.comparison.jinja2
+    - match: "="
+      scope: keyword.operator.assignment.jinja2
+    - match: '"'
+      captures:
+        0: punctuation.definition.string.begin.jinja2
+      push:
+        - meta_scope: string.quoted.double.jinja2
+        - match: '"'
+          captures:
+            0: punctuation.definition.string.end.jinja2
+          pop: true
+        - include: string
+    - match: "'"
+      captures:
+        0: punctuation.definition.string.begin.jinja2
+      push:
+        - meta_scope: string.quoted.single.jinja2
+        - match: "'"
+          captures:
+            0: punctuation.definition.string.end.jinja2
+          pop: true
+        - include: string
+    - match: "@/"
+      captures:
+        0: punctuation.definition.regexp.begin.jinja2
+      push:
+        - meta_scope: string.regexp.jinja2
+        - match: /
+          captures:
+            0: punctuation.definition.regexp.end.jinja2
+          pop: true
+        - include: simple_escapes
+  simple_escapes:
+    - match: (\\\n)|(\\\\)|(\\\")|(\\')|(\\a)|(\\b)|(\\f)|(\\n)|(\\r)|(\\t)|(\\v)
+      captures:
+        1: constant.character.escape.newline.jinja2
+        2: constant.character.escape.backlash.jinja2
+        3: constant.character.escape.double-quote.jinja2
+        4: constant.character.escape.single-quote.jinja2
+        5: constant.character.escape.bell.jinja2
+        6: constant.character.escape.backspace.jinja2
+        7: constant.character.escape.formfeed.jinja2
+        8: constant.character.escape.linefeed.jinja2
+        9: constant.character.escape.return.jinja2
+        10: constant.character.escape.tab.jinja2
+        11: constant.character.escape.vertical-tab.jinja2
+  string:
+    - include: simple_escapes
+    - include: escaped_char
+    - include: escaped_unicode_char

test_site/content/paginated/_index.md

@@ -0,0 +1,4 @@
++++
+paginate_by = 10
+template = "section_paginated.html"
++++

test_site/content/posts/_index.md

@@ -1,4 +1,5 @@
 +++
 title = "Posts"
-description = ""
+paginate_by = 2
+template = "section_paginated.html"
 +++

tests/front_matter.rs

@@ -1,236 +0,0 @@
-extern crate gutenberg;
-extern crate tera;
-
-use std::path::Path;
-
-use gutenberg::{FrontMatter, split_content, SortBy};
-use tera::to_value;
-
-
-#[test]
-fn test_can_parse_a_valid_front_matter() {
-    let content = r#"
-title = "Hello"
-description = "hey there""#;
-    let res = FrontMatter::parse(content);
-    println!("{:?}", res);
-    assert!(res.is_ok());
-    let res = res.unwrap();
-    assert_eq!(res.title.unwrap(), "Hello".to_string());
-    assert_eq!(res.description.unwrap(), "hey there".to_string());
-}
-
-#[test]
-fn test_can_parse_tags() {
-    let content = r#"
-title = "Hello"
-description = "hey there"
-slug = "hello-world"
-tags = ["rust", "html"]"#;
-    let res = FrontMatter::parse(content);
-    assert!(res.is_ok());
-    let res = res.unwrap();
-
-    assert_eq!(res.title.unwrap(), "Hello".to_string());
-    assert_eq!(res.slug.unwrap(), "hello-world".to_string());
-    assert_eq!(res.tags.unwrap(), ["rust".to_string(), "html".to_string()]);
-}
-
-#[test]
-fn test_can_parse_extra_attributes_in_frontmatter() {
-    let content = r#"
-title = "Hello"
-description = "hey there"
-slug = "hello-world"
-
-[extra]
-language = "en"
-authors = ["Bob", "Alice"]"#;
-    let res = FrontMatter::parse(content);
-    assert!(res.is_ok());
-    let res = res.unwrap();
-
-    assert_eq!(res.title.unwrap(), "Hello".to_string());
-    assert_eq!(res.slug.unwrap(), "hello-world".to_string());
-    let extra = res.extra.unwrap();
-    assert_eq!(extra["language"], to_value("en").unwrap());
-    assert_eq!(
-        extra["authors"],
-        to_value(["Bob".to_string(), "Alice".to_string()]).unwrap()
-    );
-}
-
-#[test]
-fn test_is_ok_with_url_instead_of_slug() {
-    let content = r#"
-title = "Hello"
-description = "hey there"
-url = "hello-world""#;
-    let res = FrontMatter::parse(content);
-    assert!(res.is_ok());
-    let res = res.unwrap();
-    assert!(res.slug.is_none());
-    assert_eq!(res.url.unwrap(), "hello-world".to_string());
-}
-
-#[test]
-fn test_is_ok_with_empty_front_matter() {
-    let content = r#"  "#;
-    let res = FrontMatter::parse(content);
-    assert!(res.is_ok());
-}
-
-#[test]
-fn test_errors_with_invalid_front_matter() {
-    let content = r#"title = 1\n"#;
-    let res = FrontMatter::parse(content);
-    assert!(res.is_err());
-}
-
-#[test]
-fn test_errors_on_non_string_tag() {
-    let content = r#"
-title = "Hello"
-description = "hey there"
-slug = "hello-world"
-tags = ["rust", 1]"#;
-    let res = FrontMatter::parse(content);
-    assert!(res.is_err());
-}
-
-#[test]
-fn test_errors_on_present_but_empty_slug() {
-    let content = r#"
-title = "Hello"
-description = "hey there"
-slug = """#;
-    let res = FrontMatter::parse(content);
-    assert!(res.is_err());
-}
-
-#[test]
-fn test_errors_on_present_but_empty_url() {
-    let content = r#"
-title = "Hello"
-description = "hey there"
-url = """#;
-    let res = FrontMatter::parse(content);
-    assert!(res.is_err());
-}
-
-#[test]
-fn test_parse_date_yyyy_mm_dd() {
-    let content = r#"
-title = "Hello"
-description = "hey there"
-date = "2016-10-10""#;
-    let res = FrontMatter::parse(content).unwrap();
-    assert!(res.date().is_some());
-}
-
-#[test]
-fn test_parse_date_rfc3339() {
-    let content = r#"
-title = "Hello"
-description = "hey there"
-date = "2002-10-02T15:00:00Z""#;
-    let res = FrontMatter::parse(content).unwrap();
-    assert!(res.date().is_some());
-}
-
-#[test]
-fn test_cant_parse_random_date_format() {
-    let content = r#"
-title = "Hello"
-description = "hey there"
-date = "2002/10/12""#;
-    let res = FrontMatter::parse(content).unwrap();
-    assert!(res.date().is_none());
-}
-
-#[test]
-fn test_cant_parse_sort_by_date() {
-    let content = r#"
-title = "Hello"
-description = "hey there"
-sort_by = "date""#;
-    let res = FrontMatter::parse(content).unwrap();
-    assert!(res.sort_by.is_some());
-    assert_eq!(res.sort_by.unwrap(), SortBy::Date);
-}
-
-#[test]
-fn test_cant_parse_sort_by_order() {
-    let content = r#"
-title = "Hello"
-description = "hey there"
-sort_by = "order""#;
-    let res = FrontMatter::parse(content).unwrap();
-    assert!(res.sort_by.is_some());
-    assert_eq!(res.sort_by.unwrap(), SortBy::Order);
-}
-
-#[test]
-fn test_cant_parse_sort_by_none() {
-    let content = r#"
-title = "Hello"
-description = "hey there"
-sort_by = "none""#;
-    let res = FrontMatter::parse(content).unwrap();
-    assert!(res.sort_by.is_some());
-    assert_eq!(res.sort_by.unwrap(), SortBy::None);
-}
-
-#[test]
-fn test_can_split_content_valid() {
-    let content = r#"
-+++
-title = "Title"
-description = "hey there"
-date = "2002/10/12"
-+++
-Hello
-"#;
-    let (front_matter, content) = split_content(Path::new(""), content).unwrap();
-    assert_eq!(content, "Hello\n");
-    assert_eq!(front_matter.title.unwrap(), "Title");
-}
-
-#[test]
-fn test_can_split_content_with_only_frontmatter_valid() {
-    let content = r#"
-+++
-title = "Title"
-description = "hey there"
-date = "2002/10/12"
-+++"#;
-    let (front_matter, content) = split_content(Path::new(""), content).unwrap();
-    assert_eq!(content, "");
-    assert_eq!(front_matter.title.unwrap(), "Title");
-}
-
-#[test]
-fn test_can_split_content_lazily() {
-    let content = r#"
-+++
-title = "Title"
-description = "hey there"
-date = "2002-10-02T15:00:00Z"
-+++
-+++"#;
-    let (front_matter, content) = split_content(Path::new(""), content).unwrap();
-    assert_eq!(content, "+++");
-    assert_eq!(front_matter.title.unwrap(), "Title");
-}
-
-#[test]
-fn test_error_if_cannot_locate_frontmatter() {
-    let content = r#"
-+++
-title = "Title"
-description = "hey there"
-date = "2002/10/12"
-"#;
-    let res = split_content(Path::new(""), content);
-    assert!(res.is_err());
-}

tests/page.rs

@@ -163,43 +163,6 @@ Hello world"#;
     assert_eq!(page.permalink, format!("{}{}", Config::default().base_url, "file-with-space"));
 }
 
-#[test]
-fn test_reading_analytics_short() {
-    let content = r#"
-+++
-title = "Hello"
-description = "hey there"
-+++
-Hello world"#;
-    let res = Page::parse(Path::new("hello.md"), content, &Config::default());
-    assert!(res.is_ok());
-    let mut page = res.unwrap();
-    page.render_markdown(&HashMap::default(), &Tera::default(), &Config::default()).unwrap();
-    let (word_count, reading_time) = page.get_reading_analytics();
-    assert_eq!(word_count, 2);
-    assert_eq!(reading_time, 0);
-}
-
-#[test]
-fn test_reading_analytics_long() {
-    let mut content = r#"
-+++
-title = "Hello"
-description = "hey there"
-+++
-Hello world"#.to_string();
-    for _ in 0..1000 {
-        content.push_str(" Hello world");
-    }
-    let res = Page::parse(Path::new("hello.md"), &content, &Config::default());
-    assert!(res.is_ok());
-    let mut page = res.unwrap();
-    page.render_markdown(&HashMap::default(), &Tera::default(), &Config::default()).unwrap();
-    let (word_count, reading_time) = page.get_reading_analytics();
-    assert_eq!(word_count, 2002);
-    assert_eq!(reading_time, 10);
-}
-
 #[test]
 fn test_automatic_summary_is_empty_string() {
     let content = r#"

tests/site.rs

@@ -35,26 +35,26 @@ fn test_can_parse_site() {
     assert_eq!(asset_folder_post.components, vec!["posts".to_string()]);
 
     // That we have the right number of sections
-    assert_eq!(site.sections.len(), 5);
+    assert_eq!(site.sections.len(), 6);
 
     // And that the sections are correct
-    let index_section = &site.sections[&path.join("content")];
+    let index_section = &site.sections[&path.join("content").join("_index.md")];
-    assert_eq!(index_section.subsections.len(), 1);
+    assert_eq!(index_section.subsections.len(), 2);
     assert_eq!(index_section.pages.len(), 1);
 
-    let posts_section = &site.sections[&posts_path];
+    let posts_section = &site.sections[&posts_path.join("_index.md")];
     assert_eq!(posts_section.subsections.len(), 1);
     assert_eq!(posts_section.pages.len(), 5);
 
-    let tutorials_section = &site.sections[&posts_path.join("tutorials")];
+    let tutorials_section = &site.sections[&posts_path.join("tutorials").join("_index.md")];
     assert_eq!(tutorials_section.subsections.len(), 2);
     assert_eq!(tutorials_section.pages.len(), 0);
 
-    let devops_section = &site.sections[&posts_path.join("tutorials").join("devops")];
+    let devops_section = &site.sections[&posts_path.join("tutorials").join("devops").join("_index.md")];
     assert_eq!(devops_section.subsections.len(), 0);
     assert_eq!(devops_section.pages.len(), 2);
 
-    let prog_section = &site.sections[&posts_path.join("tutorials").join("programming")];
+    let prog_section = &site.sections[&posts_path.join("tutorials").join("programming").join("_index.md")];
     assert_eq!(prog_section.subsections.len(), 0);
     assert_eq!(prog_section.pages.len(), 2);
 }
@@ -173,6 +173,7 @@ fn test_can_build_site_with_categories() {
     let mut path = env::current_dir().unwrap().to_path_buf();
     path.push("test_site");
     let mut site = Site::new(&path, "config.toml").unwrap();
+    site.config.generate_categories_pages = Some(true);
     site.load().unwrap();
 
     for (i, page) in site.pages.values_mut().enumerate() {
@@ -224,6 +225,7 @@ fn test_can_build_site_with_tags() {
     let mut path = env::current_dir().unwrap().to_path_buf();
     path.push("test_site");
     let mut site = Site::new(&path, "config.toml").unwrap();
+    site.config.generate_tags_pages = Some(true);
     site.load().unwrap();
 
     for (i, page) in site.pages.values_mut().enumerate() {
@@ -294,6 +296,9 @@ fn test_can_build_site_with_pagination_for_section() {
     let mut site = Site::new(&path, "config.toml").unwrap();
     site.load().unwrap();
     for section in site.sections.values_mut(){
+        if section.is_index() {
+            continue;
+        }
         section.meta.paginate_by = Some(2);
         section.meta.template = Some("section_paginated.html".to_string());
     }
@@ -316,6 +321,9 @@ fn test_can_build_site_with_pagination_for_section() {
     assert!(file_exists!(public, "posts/index.html"));
     // And pagination!
     assert!(file_exists!(public, "posts/page/1/index.html"));
+    // even if there is no pages, only the section!
+    assert!(file_exists!(public, "paginated/page/1/index.html"));
+    assert!(file_exists!(public, "paginated/index.html"));
     // should redirect to posts/
     assert!(file_contains!(
         public,
@@ -347,7 +355,7 @@ fn test_can_build_site_with_pagination_for_index() {
     let mut site = Site::new(&path, "config.toml").unwrap();
     site.load().unwrap();
     {
-        let mut index = site.sections.get_mut(&path.join("content")).unwrap();
+        let mut index = site.sections.get_mut(&path.join("content").join("_index.md")).unwrap();
         index.meta.paginate_by = Some(2);
         index.meta.template = Some("index_paginated.html".to_string());
     }
@@ -368,6 +376,9 @@ fn test_can_build_site_with_pagination_for_index() {
 
     // And pagination!
     assert!(file_exists!(public, "page/1/index.html"));
+    // even if there is no pages, only the section!
+    assert!(file_exists!(public, "paginated/page/1/index.html"));
+    assert!(file_exists!(public, "paginated/index.html"));
     // should redirect to index
     assert!(file_contains!(
         public,