added get authors posts route, datasource

backend/public/src/datasources/authors.rs

@@ -1,6 +1,6 @@
 use sqlx::{Pool, Postgres};
 
-use crate::routes::{authors::Author, comments::Pagination};
+use crate::routes::{authors::Author, comments::Pagination, posts::Post};
 
 pub struct AuthorsDatasource;
 impl AuthorsDatasource {
@@ -28,4 +28,17 @@ impl AuthorsDatasource {
         .fetch_one(pool)
         .await
     }
+
+    pub async fn get_authors_posts(
+        pool: &Pool<Postgres>,
+        author_id: i32,
+    ) -> Result<Vec<Post>, sqlx::Error> {
+        sqlx::query_as!(
+            Post,
+            "SELECT p.post_id, a.first_name, a.last_name, p.title, p.body, p.created_at FROM posts p LEFT JOIN authors a ON a.author_id = p.author_id WHERE p.deleted_at IS NULL AND p.author_id = $1 ORDER BY created_at DESC",
+            author_id
+        )
+        .fetch_all(pool)
+        .await
+    }
 }

backend/public/src/routes/authors.rs

@@ -31,6 +31,7 @@ impl AuthorsRoute {
         axum::Router::new()
             .route("/", get(AuthorsRoute::get_all))
             .route("/:id", get(AuthorsRoute::get_one))
+            .route("/:id/posts", get(AuthorsRoute::get_authors_posts))
             .with_state(app_state.db.clone())
     }
 
@@ -53,4 +54,14 @@ impl AuthorsRoute {
             Err(e) => Err((StatusCode::INTERNAL_SERVER_ERROR, e.to_string())),
         }
     }
+
+    async fn get_authors_posts(
+        State(pool): State<Pool<Postgres>>,
+        Path(params): Path<AuthorGetOneParams>,
+    ) -> impl IntoResponse {
+        match AuthorsDatasource::get_authors_posts(&pool, params.id).await {
+            Ok(p) => Ok(Json(p)),
+            Err(e) => Err((StatusCode::INTERNAL_SERVER_ERROR, e.to_string())),
+        }
+    }
 }