feat(blog::components::check_update) add apply.rs

backend/server/src/modules/blog/components/check_update/apply.rs

@@ -0,0 +1,39 @@
+use crate::modules::blog::components::check_update::changes::{
+    Change, Create, Delete, Move, Update,
+};
+
+use futures::{
+    FutureExt,
+    future::{BoxFuture, join_all},
+};
+use sqlx::PgPool;
+
+pub async fn apply_deltas(db_conn: &PgPool, changes: Vec<Change>) {
+    let handlers = changes
+        .into_iter()
+        .map(|change| match change {
+            Change::Delete(del) => handle_delete(db_conn, del).boxed(),
+            Change::Move(mv) => handle_move(db_conn, mv).boxed(),
+            Change::Update(update) => handle_update(db_conn, update).boxed(),
+            Change::Create(create) => handle_create(db_conn, create).boxed(),
+        })
+        .collect::<Vec<BoxFuture<'_, ()>>>();
+
+    join_all(handlers).await;
+}
+
+async fn handle_delete(db: &PgPool, del: Delete) {
+    todo!()
+}
+
+async fn handle_move(db: &PgPool, mv: Move) {
+    todo!()
+}
+
+async fn handle_update(db: &PgPool, update: Update) {
+    todo!()
+}
+
+async fn handle_create(db: &PgPool, create: Create) {
+    todo!()
+}