Render categories and tags

This commit is contained in:
Vincent Prouillet 2017-03-07 15:01:20 +09:00
parent 4f1f73fe56
commit fa7fc6e49b

View file

@ -1,9 +1,11 @@
use std::collections::HashMap;
use std::iter::FromIterator;
use std::fs::{create_dir, remove_dir_all};
use std::path::Path;
use glob::glob;
use tera::{Tera, Context};
use slug::slugify;
use errors::{Result, ResultExt};
use config::{Config, get_config};
@ -11,6 +13,31 @@ use page::Page;
use utils::create_file;
#[derive(Debug, PartialEq)]
enum RenderList {
Tags,
Categories,
}
/// A tag or category
#[derive(Debug, Serialize, PartialEq)]
struct ListItem {
name: String,
slug: String,
count: usize,
}
impl ListItem {
pub fn new(name: &str, count: usize) -> ListItem {
ListItem {
name: name.to_string(),
slug: slugify(name),
count: count,
}
}
}
#[derive(Debug)]
pub struct Site {
config: Config,
@ -84,6 +111,8 @@ impl Site {
let public = Path::new("public");
let mut pages = vec![];
let mut category_pages: HashMap<String, Vec<&Page>> = HashMap::new();
let mut tag_pages: HashMap<String, Vec<&Page>> = HashMap::new();
// First we render the pages themselves
for page in self.pages.values() {
// Copy the nesting of the content directory if we have sections for that page
@ -106,17 +135,23 @@ impl Site {
// Make sure the folder exists
create_dir(&current_path)?;
// Finally, create a index.html file there with the page rendered
let output = page.render_html(&self.templates, &self.config)?;
create_file(current_path.join("index.html"), &self.inject_livereload(output))?;
pages.push(page);
if let Some(ref category) = page.meta.category {
category_pages.entry(category.to_string()).or_insert(vec![]).push(page);
}
if let Some(ref tags) = page.meta.tags {
for tag in tags {
tag_pages.entry(tag.to_string()).or_insert(vec![]).push(page);
}
}
}
// Then the section pages
// The folders have already been created in the page loop so no need to `create_dir` here
// for (section, slugs) in &self.sections {
// // TODO
// }
// Outputting categories and pages
self.render_categories_and_tags(RenderList::Categories, &category_pages)?;
self.render_categories_and_tags(RenderList::Tags, &tag_pages)?;
// And finally the index page
let mut context = Context::new();
@ -127,6 +162,58 @@ impl Site {
create_file(public.join("index.html"), &self.inject_livereload(index))?;
self.render_sitemap()?;
// TODO: render rss feed
Ok(())
}
/// Render the /{categories, list} pages and each individual category/tag page
fn render_categories_and_tags(&self, kind: RenderList, container: &HashMap<String, Vec<&Page>>) -> Result<()> {
if container.is_empty() {
return Ok(());
}
let (name, list_tpl_name, single_tpl_name, var_name) = if kind == RenderList::Categories {
("categories", "categories.html", "category.html", "category")
} else {
("tags", "tags.html", "tag.html", "tag")
};
let public = Path::new("public");
let mut output_path = public.to_path_buf();
output_path.push(name);
create_dir(&output_path)?;
// First we render the list of categories/tags page
let mut sorted_container = vec![];
for (item, count) in Vec::from_iter(container).into_iter().map(|(a, b)| (a, b.len())) {
sorted_container.push(ListItem::new(item, count));
}
sorted_container.sort_by(|a, b| b.count.cmp(&a.count));
let mut context = Context::new();
context.add(name, &sorted_container);
context.add("config", &self.config);
let list_output = self.templates.render(list_tpl_name, &context)?;
create_file(output_path.join("index.html"), &self.inject_livereload(list_output))?;
// and then each individual item
for (item_name, mut pages) in container.clone() {
let mut context = Context::new();
pages.sort_by(|a, b| a.partial_cmp(b).unwrap());
let slug = slugify(&item_name);
context.add(var_name, &item_name);
context.add(&format!("{}_slug", var_name), &slug);
context.add("pages", &pages);
context.add("config", &self.config);
let single_output = self.templates.render(single_tpl_name, &context)?;
create_dir(&output_path.join(&slug))?;
create_file(
output_path.join(&slug).join("index.html"),
&self.inject_livereload(single_output)
)?;
}
Ok(())
}