Improve move task

task.py

@@ -92,7 +92,7 @@ def handle_task(args, last_action, conn):
         else:
             args_i += 1
 
-        moving_task(task_id, last_action.project_id, arg_number(args[args_i]), conn)
+        moving_task(task_id, arg_number(args[args_i]), conn)
     else:
         print(f"Invalid task option: {args[0]}")
 
@@ -220,15 +220,19 @@ def edit_task(task, task_id, conn):
     )
 
 
-def moving_task(task_id, old_project_id, project_id, conn):
+def moving_task(task_id, dest_project_id, conn):
     logging.info(">> Moving task")
 
-    query = """
-    UPDATE task SET project_id = ? WHERE id = ?;
-    """
+    or_project_id = get_task_project(task_id, conn)
+
+    if or_project_id == dest_project_id:
+        print("Task already in project {} - nothing to do".format(dest_project_id))
+        sys.exit(0)
+
+    query = "UPDATE task SET project_id = ? WHERE id = ?;"
 
     cursor = conn.cursor()
-    cursor.execute(query, (project_id, task_id))
+    cursor.execute(query, (dest_project_id, task_id))
 
     if cursor.rowcount != 1:
         print("Problem occur when moving task...")
@@ -236,12 +240,16 @@ def moving_task(task_id, old_project_id, project_id, conn):
 
     print(
         "moved task {}: from project {} to project {}".format(
-            task_id, old_project_id, project_id
+            task_id, or_project_id, dest_project_id
         )
     )
     record_action(
-        cursor, TypeAction.MOVE, "", project_id=project_id, task_id=task_id
-    )  # TODO Message
+        cursor,
+        TypeAction.MOVE,
+        "from project {} to project {}".format(or_project_id, dest_project_id),
+        project_id=dest_project_id,
+        task_id=task_id,
+    )
 
 
 def delete_task(task_id, project_id, conn):
@@ -356,6 +364,14 @@ def get_task_name(task_id, conn):
     return cursor.fetchone()[0]
 
 
+def get_task_project(task_id, conn):
+    query = "SELECT project_id FROM task WHERE id = ?"
+
+    cursor = conn.cursor()
+    cursor.execute(query, (task_id,))
+    return cursor.fetchone()[0]
+
+
 # $ pit t 11
 # * 11: (budd) a task (project: 1, status: in progress, priority: high, date: Apr 26, 2018, time: 5:00, 2 notes)
 #      6: (budd) bonjour le monde