From 33faf6fe70a091a35603bd112cf8aec3ae238f4f Mon Sep 17 00:00:00 2001
From: Vincent Prouillet <vincent@wearewizards.io>
Date: Sat, 20 May 2017 23:45:31 +0900
Subject: [PATCH] Make number RSS item configurable

Fix #71
---
 CHANGELOG.md  | 1 +
 src/config.rs | 6 +++++-
 src/site.rs   | 2 +-
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4eb8fa90..99bdad82 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 - Fix missing serialized data for sections
 - Change the single item template context for categories/tags
 - Add a `get_url` global Tera function
+- Add a config option to control how many articles to show in RSS feed
 
 ## 0.0.5 (2017-05-15)
 
diff --git a/src/config.rs b/src/config.rs
index f0aac90a..ec73d168 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -24,8 +24,10 @@ pub struct Config {
     pub description: Option<String>,
     /// The language used in the site. Defaults to "en"
     pub language_code: Option<String>,
-    /// Whether to generate RSS, defaults to false
+    /// Whether to generate RSS. Defaults to false
     pub generate_rss: Option<bool>,
+    /// The number of articles to include in the RSS feed. Defaults to unlimited
+    pub rss_limit: Option<usize>,
     /// Whether to generate tags and individual tag pages if some pages have them. Defaults to true
     pub generate_tags_pages: Option<bool>,
     /// Whether to generate categories and individual tag categories if some pages have them. Defaults to true
@@ -59,6 +61,7 @@ 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.rss_limit, <usize>::max_value());
         set_default!(config.generate_tags_pages, false);
         set_default!(config.generate_categories_pages, false);
         set_default!(config.insert_anchor_links, false);
@@ -109,6 +112,7 @@ impl Default for Config {
             description: None,
             language_code: Some("en".to_string()),
             generate_rss: Some(false),
+            rss_limit: Some(10000),
             generate_tags_pages: Some(true),
             generate_categories_pages: Some(true),
             insert_anchor_links: Some(false),
diff --git a/src/site.rs b/src/site.rs
index 11b8a4c4..83cde51b 100644
--- a/src/site.rs
+++ b/src/site.rs
@@ -427,7 +427,7 @@ impl Site {
         let mut context = Context::new();
         let pages = self.pages.values()
             .filter(|p| p.meta.date.is_some())
-            .take(15) // limit to the last 15 elements
+            .take(self.config.rss_limit.unwrap()) // limit to the last n elements
             .cloned()
             .collect::<Vec<Page>>();