BLOG-56 refactor: remove controller initialization from container

backend/feature/post/src/adapter/delivery/post_controller.rs

@@ -45,7 +45,10 @@ impl PostController for PostControllerImpl {
         &self,
         is_published_only: bool,
     ) -> Result<Vec<PostInfoResponseDto>, PostError> {
-        let result = self.get_all_post_info_use_case.execute(is_published_only).await;
+        let result = self
+            .get_all_post_info_use_case
+            .execute(is_published_only)
+            .await;
 
         result.map(|post_info_list| {
             let post_info_response_dto_list: Vec<PostInfoResponseDto> = post_info_list

backend/feature/post/src/application/use_case/get_all_post_info_use_case.rs

@@ -25,6 +25,8 @@ impl GetAllPostInfoUseCaseImpl {
 #[async_trait]
 impl GetAllPostInfoUseCase for GetAllPostInfoUseCaseImpl {
     async fn execute(&self, is_published_only: bool) -> Result<Vec<PostInfo>, PostError> {
-        self.post_repository.get_all_post_info(is_published_only).await
+        self.post_repository
+            .get_all_post_info(is_published_only)
+            .await
     }
 }

backend/feature/post/src/framework/web/post_web_routes.rs

@@ -1,10 +1,17 @@
-use std::sync::Arc;
-
 use actix_web::{HttpResponse, Responder, web};
 
 use crate::{
-    adapter::delivery::{post_controller::PostController, post_info_query_dto::PostQueryDto},
+    adapter::delivery::{
-    application::error::post_error::PostError,
+        post_controller::{PostController, PostControllerImpl},
+        post_info_query_dto::PostQueryDto,
+    },
+    application::{
+        error::post_error::PostError,
+        use_case::{
+            get_all_post_info_use_case::GetAllPostInfoUseCase,
+            get_full_post_use_case::GetFullPostUseCase,
+        },
+    },
 };
 
 pub fn configure_post_routes(cfg: &mut web::ServiceConfig) {
@@ -16,9 +23,15 @@ pub fn configure_post_routes(cfg: &mut web::ServiceConfig) {
 }
 
 async fn get_all_post_info_handler(
-    post_controller: web::Data<Arc<dyn PostController>>,
+    get_all_post_info_use_case: web::Data<dyn GetAllPostInfoUseCase>,
+    get_full_post_use_case: web::Data<dyn GetFullPostUseCase>,
     query: web::Query<PostQueryDto>,
 ) -> impl Responder {
+    let post_controller = PostControllerImpl::new(
+        get_all_post_info_use_case.into_inner(),
+        get_full_post_use_case.into_inner(),
+    );
+
     let is_published_only = query.is_published_only.unwrap_or_else(|| true);
     let result = post_controller.get_all_post_info(is_published_only).await;
 
@@ -32,9 +45,15 @@ async fn get_all_post_info_handler(
 }
 
 async fn get_full_post_handler(
-    post_controller: web::Data<Arc<dyn PostController>>,
+    get_all_post_info_use_case: web::Data<dyn GetAllPostInfoUseCase>,
+    get_full_post_use_case: web::Data<dyn GetFullPostUseCase>,
     path: web::Path<i32>,
 ) -> impl Responder {
+    let post_controller = PostControllerImpl::new(
+        get_all_post_info_use_case.into_inner(),
+        get_full_post_use_case.into_inner(),
+    );
+
     let id = path.into_inner();
     let result = post_controller.get_full_post(id).await;
 

backend/server/src/container.rs

@@ -1,20 +1,18 @@
 use std::sync::Arc;
 
 use post::{
-    adapter::{
+    adapter::gateway::post_repository_impl::PostRepositoryImpl,
-        delivery::post_controller::{PostController, PostControllerImpl},
-        gateway::post_repository_impl::PostRepositoryImpl,
-    },
     application::use_case::{
-        get_all_post_info_use_case::GetAllPostInfoUseCaseImpl,
+        get_all_post_info_use_case::{GetAllPostInfoUseCase, GetAllPostInfoUseCaseImpl},
-        get_full_post_use_case::GetFullPostUseCaseImpl,
+        get_full_post_use_case::{GetFullPostUseCase, GetFullPostUseCaseImpl},
     },
     framework::db::post_db_service_impl::PostDbServiceImpl,
 };
 use sqlx::{Pool, Postgres};
 
 pub struct Container {
-    pub post_controller: Arc<dyn PostController>,
+    pub get_all_post_info_use_case: Arc<dyn GetAllPostInfoUseCase>,
+    pub get_full_post_use_case: Arc<dyn GetFullPostUseCase>,
 }
 
 impl Container {
@@ -27,11 +25,9 @@ impl Container {
             Arc::new(GetAllPostInfoUseCaseImpl::new(post_repository.clone()));
         let get_full_post_use_case = Arc::new(GetFullPostUseCaseImpl::new(post_repository.clone()));
 
-        let post_controller = Arc::new(PostControllerImpl::new(
+        Self {
             get_all_post_info_use_case,
             get_full_post_use_case,
-        ));
+        }
-
-        Self { post_controller }
     }
 }

backend/server/src/main.rs

@@ -51,10 +51,10 @@ fn create_app(
         Error = Error,
     >,
 > {
-    let container = Container::new(db_pool.clone());
+    let container = Container::new(db_pool);
 
     App::new()
-        .app_data(web::Data::new(db_pool))
+        .app_data(web::Data::from(container.get_all_post_info_use_case))
-        .app_data(web::Data::new(container.post_controller))
+        .app_data(web::Data::from(container.get_full_post_use_case))
         .configure(configure_post_routes)
 }