server/app.py

@@ -176,6 +176,26 @@ def get_dataset(dataset_id):
         print(traceback.format_exc())
         return jsonify({"error": "An unexpected error occured"}), 500
     
+@app.route("/dataset/<int:dataset_id>", methods=["DELETE"])
+@jwt_required()
+def delete_dataset(dataset_id):
+    try:
+        user_id = int(get_jwt_identity())
+
+        if not dataset_manager.authorize_user_dataset(dataset_id, user_id):
+            raise NotAuthorisedException("This user is not authorised to access this dataset")
+
+        dataset_manager.delete_dataset_info(dataset_id)
+        dataset_manager.delete_dataset_content(dataset_id)
+        return jsonify({"message": f"Dataset {dataset_id} metadata and content successfully deleted"}), 200
+    except NotAuthorisedException:
+        return jsonify({"error": "User is not authorised to access this content"}), 403
+    except NonExistentDatasetException:
+        return jsonify({"error": "Dataset does not exist"}), 404
+    except Exception:
+        print(traceback.format_exc())
+        return jsonify({"error": "An unexpected error occured"}), 500
+
 @app.route("/dataset/<int:dataset_id>/status", methods=["GET"])
 @jwt_required()
 def get_dataset_status(dataset_id):

server/core/datasets.py

@@ -144,3 +144,19 @@ class DatasetManager:
             raise NonExistentDatasetException(f"Dataset {dataset_id} does not exist")
         
         return result[0]
+    
+    def delete_dataset_info(self, dataset_id: int):
+        query = """
+            DELETE FROM datasets
+            WHERE id = %s
+        """
+
+        self.db.execute(query, (dataset_id, ))
+
+    def delete_dataset_content(self, dataset_id: int):
+        query = """
+            DELETE FROM events
+            WHERE id = %s
+        """
+
+        self.db.execute(query, (dataset_id, ))