fix(cron::update) fix several errors

backend/api_server/src/blog/cron/check_update/index.rs

@@ -295,10 +295,28 @@ $$ LANGUAGE plpgsql;
 pub async fn index_file(path: &Path, db_conn: &Pool<Postgres>) -> Result<(), Box<dyn Error>> {
     let md_file = MdFile::from_file(path)?;
 
-    base(db_conn, &md_file).await?;
-    tag(db_conn, &md_file).await?;
-    meta(db_conn, &md_file).await?;
-    hash(db_conn, &md_file).await?;
+    async fn trail(db_conn: &Pool<Postgres>, md_file: &MdFile) -> Result<(), PostIdxError> {
+        base(db_conn, md_file).await?;
+        tag(db_conn, md_file).await?;
+        meta(db_conn, md_file).await?;
+        hash(db_conn, md_file).await.map(|_| ())
+    }
+    let mut cnt = 5;
+
+    while let Err(e) = trail(db_conn, &md_file).await {
+        match e {
+            PostIdxError::DBWriteFailure { .. } => {
+                cnt -= 1;
+            }
+            PostIdxError::DBReadFailure { .. } => {
+                cnt -= 1;
+            }
+            _ => return Err(e.into()),
+        }
+        if cnt <= 0 {
+            return Err(e.into());
+        }
+    }
 
     info!("indexed markdown file: {}", path.display());
     Ok(())

backend/api_server/src/blog/cron/check_update/mod.rs

@@ -111,7 +111,9 @@ pub fn task(db_connection: &Pool<Postgres>) {
                                     }
                                 }
                             } else if let Some(path) = &update.new_path {
-                                if path.extension().is_some_and(|ext| ext == "md") {
+                                if path.components().any(|comp| comp.as_os_str() == "posts")
+                                    && path.extension().is_some_and(|ext| ext == "md")
+                                {
                                     update_md.push(path.to_path_buf());
                                 }
                             }
@@ -132,7 +134,7 @@ pub fn task(db_connection: &Pool<Postgres>) {
             match Repository::clone(&git_url, &git_work_dir) {
                 Ok(_repo) => {
                     // full repo index
-                    let files = search_md(git_work_dir);
+                    let files = search_md(git_work_dir.join("posts"));
                     index_files(&files, db_connection);
                 }
                 Err(e) => {

backend/api_server/src/blog/cron/mod.rs

@@ -7,7 +7,7 @@ pub mod check_update;
 pub fn get_tasks(db_connection: Pool<Postgres>) -> Vec<Box<dyn Task>> {
     let db_conn_clone = db_connection.clone();
     vec![
-        BasicTask::new(move || check_update::task(&db_conn_clone), "* * * * * *")
+        BasicTask::new(move || check_update::task(&db_conn_clone), "0 * * * * *")
             .unwrap()
             .to_task(),
     ]

backend/markdown/Cargo.toml

@@ -5,7 +5,6 @@ edition = "2021"
 
 [dependencies]
 uuid = { version = "1.10.0", features = ["v4", "fast-rng", "serde"] }
-chrono = { version = "0.4.38", features = ["serde", "alloc"] }
 serde = { version = "1.0.209", features = ["derive"] }
 serde_json = "1.0.128"
 regex = "1.10.4"