feat(blog::components::check_update) impl consistency_guard, fix handle_create issues

backend/server/src/modules/blog/components/consistency_guard/mod.rs

@@ -1 +1,44 @@
+mod checker;
+mod error;
+mod utils;
 
+use std::{path::PathBuf, sync::Arc};
+
+use crate::{
+    modules::blog::components::{
+        check_update::apply::apply_deltas, consistency_guard::checker::compare_db_local_post_hash,
+        static_rsc::GIT_WORK_DIR,
+    },
+    scheduler::task_func::AsyncTaskFunc,
+};
+
+use sqlx::PgPool;
+use tracing::{error, trace};
+
+struct Args {
+    db_connection: PgPool,
+    git_work_dir: PathBuf,
+}
+
+pub fn task(db_connection: PgPool) -> impl AsyncTaskFunc {
+    let args = Arc::new(Args {
+        db_connection,
+        git_work_dir: GIT_WORK_DIR.clone(),
+    });
+    move || Box::pin(workflow(args.clone()))
+}
+
+async fn workflow(args: Arc<Args>) {
+    let db = &args.db_connection;
+    let git_work_dir = &args.git_work_dir;
+
+    let changes = match compare_db_local_post_hash(db, git_work_dir).await {
+        Ok(c) => c,
+        Err(e) => {
+            error!("failed to compare db and local post list: {}", e);
+            return;
+        }
+    };
+    apply_deltas(db, changes).await;
+    trace!("local-database consistency checked");
+}