2 files changed, 98 insertions, 0 deletions
diff --git a/services/org/org.go b/services/org/org.go
new file mode 100644
index 0000000000..cb1f1eca03
--- /dev/null
+++ b/services/org/org.go
@@ -0,0 +1,61 @@
+// Copyright 2021 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 org
+
+import (
+	"fmt"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/models/db"
+	"code.gitea.io/gitea/modules/storage"
+	"code.gitea.io/gitea/modules/util"
+)
+
+// DeleteOrganization completely and permanently deletes everything of organization.
+func DeleteOrganization(org *models.User) error {
+	if !org.IsOrganization() {
+		return fmt.Errorf("%s is a user not an organization", org.Name)
+	}
+
+	ctx, commiter, err := db.TxContext()
+	if err != nil {
+		return err
+	}
+	defer commiter.Close()
+
+	// Check ownership of repository.
+	count, err := models.GetRepositoryCount(ctx, org)
+	if err != nil {
+		return fmt.Errorf("GetRepositoryCount: %v", err)
+	} else if count > 0 {
+		return models.ErrUserOwnRepos{UID: org.ID}
+	}
+
+	if err := models.DeleteOrganization(ctx, org); err != nil {
+		return fmt.Errorf("DeleteOrganization: %v", err)
+	}
+
+	if err := commiter.Commit(); err != nil {
+		return err
+	}
+
+	// FIXME: system notice
+	// Note: There are something just cannot be roll back,
+	//	so just keep error logs of those operations.
+	path := models.UserPath(org.Name)
+
+	if err := util.RemoveAll(path); err != nil {
+		return fmt.Errorf("Failed to RemoveAll %s: %v", path, err)
+	}
+
+	if len(org.Avatar) > 0 {
+		avatarPath := org.CustomAvatarRelativePath()
+		if err := storage.Avatars.Delete(avatarPath); err != nil {
+			return fmt.Errorf("Failed to remove %s: %v", avatarPath, err)
+		}
+	}
+
+	return nil
+}
diff --git a/services/org/org_test.go b/services/org/org_test.go
new file mode 100644
index 0000000000..5fec086d10
--- /dev/null
+++ b/services/org/org_test.go
@@ -0,0 +1,37 @@
+// Copyright 2021 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 org
+
+import (
+	"path/filepath"
+	"testing"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/models/unittest"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestMain(m *testing.M) {
+	unittest.MainTest(m, filepath.Join("..", ".."))
+}
+
+func TestDeleteOrganization(t *testing.T) {
+	assert.NoError(t, unittest.PrepareTestDatabase())
+	org := unittest.AssertExistsAndLoadBean(t, &models.User{ID: 6}).(*models.User)
+	assert.NoError(t, DeleteOrganization(org))
+	unittest.AssertNotExistsBean(t, &models.User{ID: 6})
+	unittest.AssertNotExistsBean(t, &models.OrgUser{OrgID: 6})
+	unittest.AssertNotExistsBean(t, &models.Team{OrgID: 6})
+
+	org = unittest.AssertExistsAndLoadBean(t, &models.User{ID: 3}).(*models.User)
+	err := DeleteOrganization(org)
+	assert.Error(t, err)
+	assert.True(t, models.IsErrUserOwnRepos(err))
+
+	user := unittest.AssertExistsAndLoadBean(t, &models.User{ID: 5}).(*models.User)
+	assert.Error(t, DeleteOrganization(user))
+	unittest.CheckConsistencyFor(t, &models.User{}, &models.Team{})
+}