From 7dcff0b8103b3b9039120ee81d61616278486763 Mon Sep 17 00:00:00 2001
From: Mylloon <kennel.anri@tutanota.com>
Date: Tue, 2 May 2023 14:37:32 +0200
Subject: [PATCH] WIP: tags support

---
 src/misc/markdown.rs |  1 +
 src/routes/blog.rs   | 34 +++++++++++++++++++++++++++-------
 2 files changed, 28 insertions(+), 7 deletions(-)

diff --git a/src/misc/markdown.rs b/src/misc/markdown.rs
index f96dea7..5ca6d3d 100644
--- a/src/misc/markdown.rs
+++ b/src/misc/markdown.rs
@@ -15,6 +15,7 @@ pub struct FileMetadata {
     pub date: Option<Date>,
     pub description: Option<String>,
     pub publish: Option<bool>,
+    pub tags: Option<Vec<String>>,
 }
 
 #[derive(Content, Debug)]
diff --git a/src/routes/blog.rs b/src/routes/blog.rs
index e40a4d1..6bc99b0 100644
--- a/src/routes/blog.rs
+++ b/src/routes/blog.rs
@@ -73,6 +73,7 @@ struct Post {
     url: String,
     desc: Option<String>,
     content: Option<String>,
+    tags: Option<Vec<String>>,
 }
 
 impl Post {
@@ -122,11 +123,15 @@ fn get_posts(location: &str) -> Vec<Post> {
                     let root = parse_document(&arena, &text, &options);
                     let mut metadata = get_metadata(root);
 
+                    // Always have a title
                     metadata.title = match metadata.title {
                         Some(title) => Some(title),
                         None => Some(file_without_ext.into()),
                     };
 
+                    // No tags if the vec is empty
+                    metadata.tags = metadata.tags.filter(|tags| !tags.is_empty());
+
                     metadata
                 }
                 Err(_) => FileMetadata {
@@ -154,6 +159,7 @@ fn get_posts(location: &str) -> Vec<Post> {
                     }),
                     desc: file_metadata.description,
                     content: None,
+                    tags: file_metadata.tags,
                 })
             } else {
                 None
@@ -195,18 +201,32 @@ fn get_post(post: &mut Option<File>, filename: String, name: String, url: String
 
     *post = read_file(&format!("{blog_dir}/{filename}{ext}"));
 
-    let title = match post {
-        Some(data) => match &data.metadata.info.title {
-            Some(text) => text,
-            None => &filename,
-        },
-        None => &filename,
+    let (title, tags) = match post {
+        Some(data) => (
+            match &data.metadata.info.title {
+                Some(text) => text,
+                None => &filename,
+            },
+            match &data.metadata.info.tags {
+                Some(tags) => tags.clone(),
+                None => Vec::new(),
+            },
+        ),
+
+        None => (&filename, Vec::new()),
     };
 
     Infos {
         page_title: Some(format!("Post: {}", title)),
         page_desc: Some(format!("Blog d'{name}")),
-        page_kw: Some(["blog", "blogging", "write", "writing"].join(", ")),
+        page_kw: Some(
+            vec!["blog", "blogging", "write", "writing"]
+                .iter()
+                .map(|&tag| tag.to_owned())
+                .chain(tags.into_iter())
+                .collect::<Vec<String>>()
+                .join(", "),
+        ),
         url,
     }
 }