fix: update sql raw query in get single project info

src/backend/app/projects/project_crud.py

@@ -149,39 +149,41 @@ async def get_project_info_by_id(db: Database, project_id: uuid.UUID):
     project_record = await db.fetch_one(query, {"project_id": project_id})
     if not project_record:
         return None
-
-    query = """WITH TaskStateCalculation AS (
+    query = """
+        WITH TaskStateCalculation AS (
+            SELECT DISTINCT ON (te.task_id)
+                te.task_id,
+                te.user_id,
+                CASE
+                    WHEN te.state = 'REQUEST_FOR_MAPPING' THEN 'request logs'
+                    WHEN te.state = 'LOCKED_FOR_MAPPING' THEN 'ongoing'
+                    WHEN te.state = 'UNLOCKED_DONE' THEN 'completed'
+                    WHEN te.state = 'UNFLYABLE_TASK' THEN 'unflyable task'
+                    ELSE 'UNLOCKED_TO_MAP'
+                END AS calculated_state
+            FROM
+                task_events te
+            ORDER BY
+                te.task_id, te.created_at DESC
+        )
         SELECT
-            te.task_id,
-            te.user_id,
-            CASE
-                WHEN te.state = 'REQUEST_FOR_MAPPING' THEN 'request logs'
-                WHEN te.state = 'LOCKED_FOR_MAPPING' THEN 'ongoing'
-                WHEN te.state = 'UNLOCKED_DONE' THEN 'completed'
-                WHEN te.state = 'UNFLYABLE_TASK' THEN 'unflyable task'
-                ELSE 'UNLOCKED_TO_MAP'
-            END AS calculated_state,
-            ROW_NUMBER() OVER (PARTITION BY te.task_id ORDER BY te.created_at DESC) AS rn
+            t.id,
+            t.project_task_index,
+            t.outline,
+            tsc.user_id,
+            u.name,
+            ST_Area(ST_Transform(t.outline, 4326)) / 1000000 AS task_area,
+            COALESCE(tsc.calculated_state, 'UNLOCKED_TO_MAP') AS state
         FROM
-            task_events te
-    )
-    SELECT
-        t.id,
-        t.project_task_index,
-        t.outline,
-        tsc.user_id,
-        u.name,
-        ST_Area(ST_Transform(t.outline, 4326)) / 1000000 AS task_area,
-        COALESCE(tsc.calculated_state, 'UNLOCKED_TO_MAP') AS state
-    FROM
-        tasks t
-    LEFT JOIN
-        TaskStateCalculation tsc ON t.id = tsc.task_id AND tsc.rn = 1
-    LEFT JOIN
-        users u ON tsc.user_id = u.id
-    WHERE
-        t.project_id = :project_id;
+            tasks t
+        LEFT JOIN
+            TaskStateCalculation tsc ON t.id = tsc.task_id
+        LEFT JOIN
+            users u ON tsc.user_id = u.id
+        WHERE
+            t.project_id = :project_id;
     """
+
     task_records = await db.fetch_all(query, {"project_id": project_id})
     project_record.tasks = task_records if task_records is not None else []
     project_record.task_count = len(task_records)