Move transfer repository and rename repository on a service package and start action notification (#8573)

* move transfer repository and rename repository on a service package and start action notification

* remove unused codes

* fix lint

* fix bugs

* fix test

* fix test

* fix test

* fix lint

* update go mod and sum

services/repository/transfer_test.go

@@ -0,0 +1,50 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package repository
+
+import (
+	"sync"
+	"testing"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/notification"
+	"code.gitea.io/gitea/modules/notification/action"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/unknwon/com"
+)
+
+var notifySync sync.Once
+
+func registerNotifier() {
+	notifySync.Do(func() {
+		notification.RegisterNotifier(action.NewNotifier())
+	})
+}
+
+func TestTransferOwnership(t *testing.T) {
+	registerNotifier()
+
+	assert.NoError(t, models.PrepareTestDatabase())
+
+	doer := models.AssertExistsAndLoadBean(t, &models.User{ID: 2}).(*models.User)
+	repo := models.AssertExistsAndLoadBean(t, &models.Repository{ID: 3}).(*models.Repository)
+	repo.Owner = models.AssertExistsAndLoadBean(t, &models.User{ID: repo.OwnerID}).(*models.User)
+	assert.NoError(t, TransferOwnership(doer, "user2", repo))
+
+	transferredRepo := models.AssertExistsAndLoadBean(t, &models.Repository{ID: 3}).(*models.Repository)
+	assert.EqualValues(t, 2, transferredRepo.OwnerID)
+
+	assert.False(t, com.IsExist(models.RepoPath("user3", "repo3")))
+	assert.True(t, com.IsExist(models.RepoPath("user2", "repo3")))
+	models.AssertExistsAndLoadBean(t, &models.Action{
+		OpType:    models.ActionTransferRepo,
+		ActUserID: 2,
+		RepoID:    3,
+		Content:   "user3/repo3",
+	})
+
+	models.CheckConsistencyFor(t, &models.Repository{}, &models.User{}, &models.Team{})
+}