From 8e8cdfeb7f53ba3b195350791a027072844905a8 Mon Sep 17 00:00:00 2001
From: Vincent Prouillet <vincent@wearewizards.io>
Date: Wed, 30 May 2018 14:08:35 +0200
Subject: [PATCH] Add year, month and day to page context with a date

---
 CHANGELOG.md                                       |  1 +
 Cargo.lock                                         |  1 +
 components/content/Cargo.toml                      |  1 +
 components/content/src/lib.rs                      |  1 +
 components/content/src/page.rs                     | 14 ++++++++++++--
 .../documentation/templates/pages-sections.md      |  6 ++++--
 6 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5e9384b8..fb50842d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@
 - Co-located assets are now permalinks
 - Words are now counted using unicode rather than whitespaces
 - Aliases can now be pointing directly to specific HTML files
+- Add `year`, `month` and `day` variables to pages with a date
 
 ## 0.3.4 (2018-06-22)
 
diff --git a/Cargo.lock b/Cargo.lock
index ddc608ea..4d495c19 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -210,6 +210,7 @@ dependencies = [
 name = "content"
 version = "0.1.0"
 dependencies = [
+ "chrono 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "config 0.1.0",
  "errors 0.1.0",
  "front_matter 0.1.0",
diff --git a/components/content/Cargo.toml b/components/content/Cargo.toml
index 2e7724e7..e9138738 100644
--- a/components/content/Cargo.toml
+++ b/components/content/Cargo.toml
@@ -8,6 +8,7 @@ tera = "0.11"
 serde = "1"
 slug = "0.1"
 rayon = "1"
+chrono = "0.4"
 
 errors = { path = "../errors" }
 config = { path = "../config" }
diff --git a/components/content/src/lib.rs b/components/content/src/lib.rs
index dc5cf9c4..4cd93fac 100644
--- a/components/content/src/lib.rs
+++ b/components/content/src/lib.rs
@@ -2,6 +2,7 @@ extern crate tera;
 extern crate slug;
 extern crate serde;
 extern crate rayon;
+extern crate chrono;
 
 extern crate errors;
 extern crate config;
diff --git a/components/content/src/page.rs b/components/content/src/page.rs
index 10bcf26b..704b0682 100644
--- a/components/content/src/page.rs
+++ b/components/content/src/page.rs
@@ -3,7 +3,7 @@ use std::collections::HashMap;
 use std::path::{Path, PathBuf};
 use std::result::Result as StdResult;
 
-
+use chrono::Datelike;
 use tera::{Tera, Context as TeraContext};
 use serde::ser::{SerializeStruct, self};
 use slug::slugify;
@@ -247,11 +247,21 @@ impl Default for Page {
 
 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", 18)?;
+        let mut state = serializer.serialize_struct("page", 21)?;
         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)?;
+        if let Some(chrono_datetime) = self.meta.date() {
+            let d = chrono_datetime.date();
+            state.serialize_field("year", &d.year())?;
+            state.serialize_field("month", &d.month())?;
+            state.serialize_field("day", &d.day())?;
+        } else {
+            state.serialize_field::<Option<usize>>("year", &None)?;
+            state.serialize_field::<Option<usize>>("month", &None)?;
+            state.serialize_field::<Option<usize>>("day", &None)?;
+        }
         state.serialize_field("slug", &self.slug)?;
         state.serialize_field("path", &self.path)?;
         state.serialize_field("components", &self.components)?;
diff --git a/docs/content/documentation/templates/pages-sections.md b/docs/content/documentation/templates/pages-sections.md
index b8fa6446..b4caa1fa 100644
--- a/docs/content/documentation/templates/pages-sections.md
+++ b/docs/content/documentation/templates/pages-sections.md
@@ -39,8 +39,10 @@ next: Page?;
 toc: Array<Header>;
 // Paths of colocated assets, relative to the content directory
 assets: Array<String>;
-// Paths of colocated image assets, ie. files with an extension of "jpg", "jpeg", "png", "gif", or "bmp"
-images: Array<String>;
+// Year/month/day is only set if the page has a date and month/day are 1-indexed
+year: Number?;
+month: Number?;
+day: Number?;
 ```
 
 ## Section variables