better template and add back version

src/git_tracker.rs

@@ -0,0 +1,61 @@
+use std::fs;
+use std::path::PathBuf;
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct GitVersion {
+    pub branch: String,
+    pub commit: String,
+}
+
+pub fn get_git_version(git_path: &PathBuf) -> Result<GitVersion, String> {
+    let head_path = git_path.join(".git/HEAD");
+
+    // Read HEAD file
+    let head_content = fs::read_to_string(&head_path)
+        .map_err(|e| format!("Failed to read .git/HEAD: {}", e))?;
+
+    let head_content = head_content.trim();
+
+    // Check if HEAD points to a ref
+    if head_content.starts_with("ref:") {
+        let ref_path = head_content.strip_prefix("ref:").unwrap().trim();
+        let full_ref_path = git_path.join(".git").join(ref_path);
+
+        // Read the ref file to get the commit hash
+        let commit_hash = fs::read_to_string(&full_ref_path)
+            .map_err(|e| format!("Failed to read ref file: {}", e))?
+            .trim()
+            .to_string();
+
+        // Extract branch name from ref path
+        let branch = ref_path
+            .strip_prefix("refs/heads/")
+            .unwrap_or(ref_path)
+            .to_string();
+
+        Ok(GitVersion {
+            branch,
+            commit: commit_hash,
+        })
+    } else {
+        // Detached HEAD state - just use the commit hash
+        Ok(GitVersion {
+            branch: "detached".to_string(),
+            commit: head_content.to_string(),
+        })
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_git_version() {
+        // This test will only work if run in a git repository
+        if let Ok(version) = get_git_version(".") {
+            assert!(!version.commit.is_empty());
+            assert!(!version.branch.is_empty());
+        }
+    }
+}

src/main.rs

@@ -1,5 +1,6 @@
 mod post_manager;
 mod template_engine;
+mod git_tracker;
 
 use axum::{
     extract::{Path, State},

src/post_manager.rs

@@ -14,15 +14,15 @@ pub struct Post {
     pub markdown_content: String,
     pub html_content: String,
     pub created_at: DateTime<Utc>,
+    pub modified_at: DateTime<Utc>,
 }
 
 struct Entry {
     #[allow(dead_code)]
     short_name: String,
     file_path: String,
-    created_timestamp: DateTime<Utc>,
-    #[allow(dead_code)]
-    modified_timestamp: DateTime<Utc>,
+    created_at: DateTime<Utc>,
+    modified_at: DateTime<Utc>,
     status: i32,
 }
 
@@ -47,6 +47,10 @@ impl PostManager {
         Ok(manager)
     }
 
+    pub fn get_root_dir(&self) -> &PathBuf {
+        &self.root_dir
+    }
+
     fn query_posts(&self) -> Result<HashMap<String, Entry>, String> {
         let output = Command::new("git")
             .arg("log")
@@ -110,13 +114,13 @@ impl PostManager {
                             let entry = result.entry(name.to_string()).or_insert(Entry {
                                 short_name: name.to_string(),
                                 file_path: file_path.to_string(),
-                                created_timestamp: timestamp,
-                                modified_timestamp: timestamp,
+                                created_at: timestamp,
+                                modified_at: timestamp,
                                 status: if status == "D" { -1 } else { 1 },
                             });
 
                             // Always use the oldest timestamp for posts creation dates
-                            entry.created_timestamp = timestamp;
+                            entry.created_at = timestamp;
                         }
                     }
                 } else {
@@ -145,9 +149,10 @@ impl PostManager {
                 filename: entry.file_path,
                 markdown_content,
                 html_content,
-                created_at: entry.created_timestamp,
+                created_at: entry.created_at,
+                modified_at: entry.modified_at,
             };
-            eprintln!("Loaded post: {} ({})", name, entry.created_timestamp);
+            eprintln!("Loaded post: {} ({})", name, entry.created_at);
             self.posts.insert(name, post);
         }
 
@@ -159,12 +164,24 @@ impl PostManager {
         self.posts.get(name)
     }
 
+    // Get all posts, sorted by creation date
     pub fn get_all_posts(&self) -> Vec<&Post> {
         let mut posts: Vec<&Post> = self.posts.values().collect();
         posts.sort_by(|a, b| b.created_at.cmp(&a.created_at));
         posts
     }
 
+    // Get the timstamp of when the blog was most recently updated
+    //  derived from latest post update
+    pub fn get_update_timestamp(&self) -> Result<DateTime<Utc>, String> {
+        let mut posts: Vec<&Post> = self.posts.values().collect();
+        posts.sort_by(|a, b| b.modified_at.cmp(&a.modified_at));
+        Ok(posts
+            .first()
+            .ok_or("No posts found".to_string())?
+            .created_at)
+    }
+
     pub fn get_posts_limited(&self, limit: usize) -> Vec<&Post> {
         let mut posts = self.get_all_posts();
         posts.truncate(limit);

src/template_engine.rs

@@ -1,4 +1,5 @@
 use crate::post_manager::PostManager;
+use crate::git_tracker::get_git_version;
 use std::collections::HashMap;
 use std::fs;
 
@@ -170,6 +171,23 @@ fn process_tag(
             Ok(post.html_content.clone())
         }
 
+        "updated" => {
+            // Insert the last updated time of the current post (or most recent post)
+            let post_ts = if let Some(p) = current_post {
+                post_manager.get_post(p).ok_or_else(|| format!("Post '{}' not found", p))?.modified_at
+            } else {
+                post_manager.get_update_timestamp()?
+            };
+
+            Ok(post_ts.format("%Y-%m-%d").to_string())
+        }
+
+        "version" => {
+            let git_dir = post_manager.get_root_dir().clone();
+            let git_version = get_git_version(&git_dir)?;
+            Ok(format!("{}/{}", git_version.branch, git_version.commit))
+        }
+
         "post-list" => {
             let limit = attrs.get("limit")
                 .and_then(|s| s.parse::<usize>().ok());

templates/footer.html

@@ -1,5 +1,8 @@
     <footer style="margin-top: 50px; padding-top: 20px; border-top: 1px solid #ddd; color: #666; text-align: center;">
-      <p>Guus Waals - updated on $<updated/> ($<version/>)</p>
+      <p>
+      Guus Waals - updated on $<updated/> </br>
+      $<version/> 
+      </p>
     </footer>
 </body>
 </html>