feat(tasks): group extension folder downloads (#1594)

pkg/rest/api.go

@@ -63,7 +63,7 @@ func CreateTaskBatch(w http.ResponseWriter, r *http.Request) {
 			WriteJson(w, model.NewErrorResult("param invalid: reqs", model.CodeInvalidParam))
 			return
 		}
-		taskIds, err := Downloader.CreateDirectBatch(&req)
+		taskIds, err := Downloader.CreateDirectBatchWithResult(&req)
 		if err != nil {
 			WriteJson(w, model.NewErrorResult(err.Error()))
 			return

pkg/rest/server_test.go

@@ -197,9 +197,10 @@ func TestCreateDirectTaskBatch(t *testing.T) {
 				Req: createReq.Req,
 			})
 		}
-		taskIds := httpRequestCheckOk[[]string](http.MethodPost, "/api/v1/tasks/batch", &base.CreateTaskBatch{
+		result := httpRequestCheckOk[download.CreateTaskBatchResult](http.MethodPost, "/api/v1/tasks/batch", &base.CreateTaskBatch{
 			Reqs: reqs,
 		})
+		taskIds := result.TaskIDs
 		if len(taskIds) != len(reqs) {
 			t.Errorf("CreateDirectTaskBatch() got = %v, want %v", len(taskIds), len(reqs))
 		}
@@ -220,12 +221,13 @@ func TestCreateDirectTaskBatchWithOpt(t *testing.T) {
 			}
 			reqs = append(reqs, item)
 		}
-		taskIds := httpRequestCheckOk[[]string](http.MethodPost, "/api/v1/tasks/batch", &base.CreateTaskBatch{
+		result := httpRequestCheckOk[download.CreateTaskBatchResult](http.MethodPost, "/api/v1/tasks/batch", &base.CreateTaskBatch{
 			Reqs: reqs,
 			Opts: &base.Options{
 				Name: "default_opt.data",
 			},
 		})
+		taskIds := result.TaskIDs
 		if len(taskIds) != len(reqs) {
 			t.Errorf("CreateDirectTaskBatch() got = %v, want %v", len(taskIds), len(reqs))
 		}
@@ -245,6 +247,40 @@ func TestCreateDirectTaskBatchWithOpt(t *testing.T) {
 	})
 }
 
+func TestCreateDirectTaskBatchWithGroup(t *testing.T) {
+	doTest(func() {
+		cfg, err := Downloader.GetConfig()
+		if err != nil {
+			t.Fatal(err)
+		}
+		cfg.MaxRunning = 0
+		if err := Downloader.PutConfig(cfg); err != nil {
+			t.Fatal(err)
+		}
+		parent := t.TempDir()
+		result := httpRequestCheckOk[download.CreateTaskBatchResult](http.MethodPost, "/api/v1/tasks/batch", &base.CreateTaskBatch{
+			Reqs: []*base.CreateTaskBatchItem{{Req: createReq.Req}, {Req: createReq.Req}},
+			Opts: &base.Options{Path: parent}, Group: true, GroupName: "folder",
+		})
+		if result.ParentID == "" || len(result.TaskIDs) != 2 {
+			t.Fatalf("unexpected group result: %+v", result)
+		}
+		all := httpRequestCheckOk[[]map[string]any](http.MethodGet, "/api/v1/tasks", nil)
+		if len(all) != 2 {
+			t.Fatalf("expected real tasks only, got %d", len(all))
+		}
+		for _, task := range all {
+			if task["parentId"] != result.ParentID || task["type"] != nil {
+				t.Fatalf("invalid member: %+v", task)
+			}
+			metadata, ok := task["group"].(map[string]any)
+			if !ok || metadata["path"] != filepath.Join(parent, "folder") || metadata["name"] != "folder" {
+				t.Fatalf("missing group metadata: %+v", task)
+			}
+		}
+	})
+}
+
 func TestPauseAndContinueTask(t *testing.T) {
 	doTest(func() {
 		var wg sync.WaitGroup