Generate per language RSS feed

.gitignore

@@ -14,6 +14,7 @@ huge-kb
 
 current.bench
 now.bench
+*.zst
 
 # snapcraft artifacts
 snap/.snapcraft

components/config/src/config.rs

@@ -246,7 +246,7 @@ impl Config {
     }
 
     /// Is this site using i18n?
-    pub fn uses_i18n(&self) -> bool {
+    pub fn is_multilingual(&self) -> bool {
         !self.languages.is_empty()
     }
 

components/library/src/content/file_info.rs

@@ -109,7 +109,7 @@ impl FileInfo {
     /// remove it and return the language code
     pub fn find_language(&mut self, config: &Config) -> Result<Option<String>> {
         // No languages? Nothing to do
-        if !config.uses_i18n() {
+        if !config.is_multilingual() {
             return Ok(None);
         }
 

components/site/src/lib.rs

@@ -511,9 +511,41 @@ impl Site {
         self.render_sections()?;
         self.render_orphan_pages()?;
         self.render_sitemap()?;
+
         if self.config.generate_rss {
-            self.render_rss_feed(self.library.pages_values(), None)?;
+            let pages = if self.config.is_multilingual() {
+                self.library
+                    .pages_values()
+                    .iter()
+                    .filter(|p| p.lang.is_none())
+                    .map(|p| *p)
+                    .collect()
+            } else {
+                self.library.pages_values()
+            };
+            self.render_rss_feed(pages, None)?;
         }
+
+        for lang in &self.config.languages {
+            if !lang.rss {
+                continue;
+            }
+            let pages = self
+                .library
+                .pages_values()
+                .iter()
+                .filter(|p| {
+                    if let Some(ref l) = p.lang {
+                        l == &lang.code
+                    } else {
+                        false
+                    }
+                })
+                .map(|p| *p)
+                .collect();
+            self.render_rss_feed(pages, Some(&PathBuf::from(lang.code.clone())))?;
+        }
+
         self.render_404()?;
         self.render_robots()?;
         self.render_taxonomies()?;

components/site/tests/common.rs

@@ -30,7 +30,7 @@ macro_rules! file_contains {
         let mut file = std::fs::File::open(&path).unwrap();
         let mut s = String::new();
         file.read_to_string(&mut s).unwrap();
-        println!("{}", s);
+        // println!("{}", s);
         s.contains($text)
     }};
 }

components/site/tests/site_i18n.rs

@@ -13,8 +13,8 @@ fn can_parse_multilingual_site() {
     let mut site = Site::new(&path, "config.toml").unwrap();
     site.load().unwrap();
 
-    assert_eq!(site.library.pages().len(), 9);
-    assert_eq!(site.library.sections().len(), 4);
+    assert_eq!(site.library.pages().len(), 10);
+    assert_eq!(site.library.sections().len(), 6);
 
     // default index sections
     let default_index_section =
@@ -79,4 +79,15 @@ fn can_build_multilingual_site() {
     assert!(file_exists!(public, "sitemap.xml"));
     assert!(file_contains!(public, "sitemap.xml", "https://example.com/blog/something-else/"));
     assert!(file_contains!(public, "sitemap.xml", "https://example.com/fr/blog/something-else/"));
+    assert!(file_contains!(public, "sitemap.xml", "https://example.com/it/blog/something-else/"));
+
+    // one rss per language
+    assert!(file_exists!(public, "rss.xml"));
+    assert!(file_contains!(public, "rss.xml", "https://example.com/blog/something-else/"));
+    assert!(!file_contains!(public, "rss.xml", "https://example.com/fr/blog/something-else/"));
+    assert!(file_exists!(public, "fr/rss.xml"));
+    assert!(!file_contains!(public, "fr/rss.xml", "https://example.com/blog/something-else/"));
+    assert!(file_contains!(public, "fr/rss.xml", "https://example.com/fr/blog/something-else/"));
+    // Italian doesn't have RSS enabled
+    assert!(!file_exists!(public, "it/rss.xml"));
 }

test_site_i18n/config.toml

@@ -11,8 +11,11 @@ highlight_code = false
 # Whether to build a search index to be used later on by a JavaScript library
 build_search_index = false
 
+generate_rss = true
+
 languages = [
- {code = "fr"},
+ {code = "fr", rss = true},
+ {code = "it", rss = false},
 ]
 
 [extra]

test_site_i18n/content/blog/_index.it.md

@@ -0,0 +1,4 @@
++++
+sort_by = "date"
+insert_anchors = "right"
++++

test_site_i18n/content/blog/fixed-slug.it.md

@@ -0,0 +1,7 @@
++++
+title = "Un slug fixe"
+slug = "something-else"
+date = 2017-01-01
++++
+
+Una pagina che definisce il suo slug nel front-matter