Add filter to all tasks list.

backend/src/models/task.rs

@@ -94,6 +94,15 @@ impl TaskModel {
             .await?;
         Ok(tasks)
     }
+
+    pub async fn list_by_status(pool: &SqlitePool, status: TaskStatus) -> Result<Vec<TaskModel>> {
+        let tasks =
+            sqlx::query_as("SELECT * FROM tasks t WHERE t.status = $1 ORDER BY created_at DESC")
+                .bind(status)
+                .fetch_all(pool)
+                .await?;
+        Ok(tasks)
+    }
 }
 
 #[cfg(test)]

backend/src/services/tasks.rs

@@ -1,6 +1,6 @@
 use axum::{
     Json, Router,
-    extract::{Path, State},
+    extract::{Path, Query, State},
     http::StatusCode,
     routing::{get, post},
 };
@@ -40,10 +40,19 @@ pub async fn create_task(
     Ok((StatusCode::CREATED, Json(model)))
 }
 
+#[derive(Deserialize)]
+pub struct Filters {
+    status: Option<TaskStatus>,
+}
+
 pub async fn list_tasks(
     State(pool): State<Pool<Sqlite>>,
+    Query(filters): Query<Filters>,
 ) -> Result<(StatusCode, Json<Vec<TaskModel>>), AppError> {
-    let tasks = TaskModel::list_all(&pool).await?;
+    let tasks = match filters.status {
+        Some(status) => TaskModel::list_by_status(&pool, status).await?,
+        None => TaskModel::list_all(&pool).await?,
+    };
 
     Ok((StatusCode::OK, Json(tasks)))
 }