Move some repositories' operations to a standalone service package (#8557)

* Move some repositories' operations to a standalone service package

* improve code

* remove unused codes

* add rollback when fork failed

* add repo when return

models/repo.go

@@ -742,6 +742,28 @@ func (repo *Repository) CanUserFork(user *User) (bool, error) {
 	return false, nil
 }
 
+// CanUserDelete returns true if user could delete the repository
+func (repo *Repository) CanUserDelete(user *User) (bool, error) {
+	if user.IsAdmin || user.ID == repo.OwnerID {
+		return true, nil
+	}
+
+	if err := repo.GetOwner(); err != nil {
+		return false, err
+	}
+
+	if repo.Owner.IsOrganization() {
+		isOwner, err := repo.Owner.IsOwnedBy(user.ID)
+		if err != nil {
+			return false, err
+		} else if isOwner {
+			return true, nil
+		}
+	}
+
+	return false, nil
+}
+
 // CanEnablePulls returns true if repository meets the requirements of accepting pulls.
 func (repo *Repository) CanEnablePulls() bool {
 	return !repo.IsMirror && !repo.IsEmpty
@@ -1430,15 +1452,9 @@ func createRepository(e *xorm.Session, doer, u *User, repo *Repository) (err err
 		t, err := u.getOwnerTeam(e)
 		if err != nil {
 			return fmt.Errorf("getOwnerTeam: %v", err)
-		} else if err = t.addRepository(e, repo); err != nil {
+		}
+		if err = t.addRepository(e, repo); err != nil {
 			return fmt.Errorf("addRepository: %v", err)
-		} else if err = prepareWebhooks(e, repo, HookEventRepository, &api.RepositoryPayload{
-			Action:       api.HookRepoCreated,
-			Repository:   repo.innerAPIFormat(e, AccessModeOwner, false),
-			Organization: u.APIFormat(),
-			Sender:       doer.APIFormat(),
-		}); err != nil {
-			return fmt.Errorf("prepareWebhooks: %v", err)
 		}
 	} else if err = repo.recalculateAccesses(e); err != nil {
 		// Organization automatically called this in addRepository method.
@@ -1522,11 +1538,6 @@ func CreateRepository(doer, u *User, opts CreateRepoOptions) (_ *Repository, err
 		return nil, err
 	}
 
-	// Add to hook queue for created repo after session commit.
-	if u.IsOrganization() {
-		go HookQueue.Add(repo.ID)
-	}
-
 	return repo, err
 }
 
@@ -2044,18 +2055,6 @@ func DeleteRepository(doer *User, uid, repoID int64) error {
 		return fmt.Errorf("Commit: %v", err)
 	}
 
-	if org.IsOrganization() {
-		if err = PrepareWebhooks(repo, HookEventRepository, &api.RepositoryPayload{
-			Action:       api.HookRepoDeleted,
-			Repository:   repo.APIFormat(AccessModeOwner),
-			Organization: org.APIFormat(),
-			Sender:       doer.APIFormat(),
-		}); err != nil {
-			return err
-		}
-		go HookQueue.Add(repo.ID)
-	}
-
 	if len(repo.Avatar) > 0 {
 		avatarPath := repo.CustomAvatarPath()
 		if com.IsExist(avatarPath) {
@@ -2065,7 +2064,6 @@ func DeleteRepository(doer *User, uid, repoID int64) error {
 		}
 	}
 
-	DeleteRepoFromIndexer(repo)
 	return nil
 }
 
@@ -2521,22 +2519,22 @@ func HasForkedRepo(ownerID, repoID int64) (*Repository, bool) {
 }
 
 // ForkRepository forks a repository
-func ForkRepository(doer, u *User, oldRepo *Repository, name, desc string) (_ *Repository, err error) {
+func ForkRepository(doer, owner *User, oldRepo *Repository, name, desc string) (_ *Repository, err error) {
-	forkedRepo, err := oldRepo.GetUserFork(u.ID)
+	forkedRepo, err := oldRepo.GetUserFork(owner.ID)
 	if err != nil {
 		return nil, err
 	}
 	if forkedRepo != nil {
 		return nil, ErrForkAlreadyExist{
-			Uname:    u.Name,
+			Uname:    owner.Name,
 			RepoName: oldRepo.FullName(),
 			ForkName: forkedRepo.FullName(),
 		}
 	}
 
 	repo := &Repository{
-		OwnerID:       u.ID,
+		OwnerID:       owner.ID,
-		Owner:         u,
+		Owner:         owner,
 		Name:          name,
 		LowerName:     strings.ToLower(name),
 		Description:   desc,
@@ -2553,7 +2551,7 @@ func ForkRepository(doer, u *User, oldRepo *Repository, name, desc string) (_ *R
 		return nil, err
 	}
 
-	if err = createRepository(sess, doer, u, repo); err != nil {
+	if err = createRepository(sess, doer, owner, repo); err != nil {
 		return nil, err
 	}
 
@@ -2561,9 +2559,9 @@ func ForkRepository(doer, u *User, oldRepo *Repository, name, desc string) (_ *R
 		return nil, err
 	}
 
-	repoPath := RepoPath(u.Name, repo.Name)
+	repoPath := RepoPath(owner.Name, repo.Name)
 	_, stderr, err := process.GetManager().ExecTimeout(10*time.Minute,
-		fmt.Sprintf("ForkRepository(git clone): %s/%s", u.Name, repo.Name),
+		fmt.Sprintf("ForkRepository(git clone): %s/%s", owner.Name, repo.Name),
 		git.GitExecutable, "clone", "--bare", oldRepo.repoPath(sess), repoPath)
 	if err != nil {
 		return nil, fmt.Errorf("git clone: %v", stderr)
@@ -2586,24 +2584,6 @@ func ForkRepository(doer, u *User, oldRepo *Repository, name, desc string) (_ *R
 		return nil, err
 	}
 
-	oldMode, _ := AccessLevel(doer, oldRepo)
-	mode, _ := AccessLevel(doer, repo)
-
-	if err = PrepareWebhooks(oldRepo, HookEventFork, &api.ForkPayload{
-		Forkee: oldRepo.APIFormat(oldMode),
-		Repo:   repo.APIFormat(mode),
-		Sender: doer.APIFormat(),
-	}); err != nil {
-		log.Error("PrepareWebhooks [repo_id: %d]: %v", oldRepo.ID, err)
-	} else {
-		go HookQueue.Add(oldRepo.ID)
-	}
-
-	// Add to hook queue for created repo after session commit.
-	if u.IsOrganization() {
-		go HookQueue.Add(repo.ID)
-	}
-
 	if err = repo.UpdateSize(); err != nil {
 		log.Error("Failed to update size for repository: %v", err)
 	}
@@ -2612,20 +2592,19 @@ func ForkRepository(doer, u *User, oldRepo *Repository, name, desc string) (_ *R
 	sess2 := x.NewSession()
 	defer sess2.Close()
 	if err = sess2.Begin(); err != nil {
-		return nil, err
+		return repo, err
 	}
 
 	var lfsObjects []*LFSMetaObject
-
 	if err = sess2.Where("repository_id=?", oldRepo.ID).Find(&lfsObjects); err != nil {
-		return nil, err
+		return repo, err
 	}
 
 	for _, v := range lfsObjects {
 		v.ID = 0
 		v.RepositoryID = repo.ID
 		if _, err = sess2.Insert(v); err != nil {
-			return nil, err
+			return repo, err
 		}
 	}
 

modules/notification/indexer/indexer.go

@@ -98,6 +98,7 @@ func (r *indexerNotifier) NotifyDeleteComment(doer *models.User, comment *models
 
 func (r *indexerNotifier) NotifyDeleteRepository(doer *models.User, repo *models.Repository) {
 	issue_indexer.DeleteRepoIssueIndexer(repo)
+	models.DeleteRepoFromIndexer(repo)
 }
 
 func (r *indexerNotifier) NotifyIssueChangeContent(doer *models.User, issue *models.Issue, oldContent string) {

modules/notification/webhook/webhook.go

@@ -65,3 +65,67 @@ func (m *webhookNotifier) NotifyIssueClearLabels(doer *models.User, issue *model
 		go models.HookQueue.Add(issue.RepoID)
 	}
 }
+
+func (m *webhookNotifier) NotifyForkRepository(doer *models.User, oldRepo, repo *models.Repository) {
+	oldMode, _ := models.AccessLevel(doer, oldRepo)
+	mode, _ := models.AccessLevel(doer, repo)
+
+	// forked webhook
+	if err := models.PrepareWebhooks(oldRepo, models.HookEventFork, &api.ForkPayload{
+		Forkee: oldRepo.APIFormat(oldMode),
+		Repo:   repo.APIFormat(mode),
+		Sender: doer.APIFormat(),
+	}); err != nil {
+		log.Error("PrepareWebhooks [repo_id: %d]: %v", oldRepo.ID, err)
+	} else {
+		go models.HookQueue.Add(oldRepo.ID)
+	}
+
+	u := repo.MustOwner()
+
+	// Add to hook queue for created repo after session commit.
+	if u.IsOrganization() {
+		if err := models.PrepareWebhooks(repo, models.HookEventRepository, &api.RepositoryPayload{
+			Action:       api.HookRepoCreated,
+			Repository:   repo.APIFormat(models.AccessModeOwner),
+			Organization: u.APIFormat(),
+			Sender:       doer.APIFormat(),
+		}); err != nil {
+			log.Error("PrepareWebhooks [repo_id: %d]: %v", repo.ID, err)
+		} else {
+			go models.HookQueue.Add(repo.ID)
+		}
+	}
+}
+
+func (m *webhookNotifier) NotifyCreateRepository(doer *models.User, u *models.User, repo *models.Repository) {
+	// Add to hook queue for created repo after session commit.
+	if u.IsOrganization() {
+		if err := models.PrepareWebhooks(repo, models.HookEventRepository, &api.RepositoryPayload{
+			Action:       api.HookRepoCreated,
+			Repository:   repo.APIFormat(models.AccessModeOwner),
+			Organization: u.APIFormat(),
+			Sender:       doer.APIFormat(),
+		}); err != nil {
+			log.Error("PrepareWebhooks [repo_id: %d]: %v", repo.ID, err)
+		} else {
+			go models.HookQueue.Add(repo.ID)
+		}
+	}
+}
+
+func (m *webhookNotifier) NotifyDeleteRepository(doer *models.User, repo *models.Repository) {
+	u := repo.MustOwner()
+
+	if u.IsOrganization() {
+		if err := models.PrepareWebhooks(repo, models.HookEventRepository, &api.RepositoryPayload{
+			Action:       api.HookRepoDeleted,
+			Repository:   repo.APIFormat(models.AccessModeOwner),
+			Organization: u.APIFormat(),
+			Sender:       doer.APIFormat(),
+		}); err != nil {
+			log.Error("PrepareWebhooks [repo_id: %d]: %v", repo.ID, err)
+		}
+		go models.HookQueue.Add(repo.ID)
+	}
+}

routers/admin/repos.go

@@ -11,6 +11,7 @@ import (
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/routers"
+	repo_service "code.gitea.io/gitea/services/repository"
 )
 
 const (
@@ -38,7 +39,7 @@ func DeleteRepo(ctx *context.Context) {
 		return
 	}
 
-	if err := models.DeleteRepository(ctx.User, repo.MustOwner().ID, repo.ID); err != nil {
+	if err := repo_service.DeleteRepository(ctx.User, repo); err != nil {
 		ctx.ServerError("DeleteRepository", err)
 		return
 	}

routers/api/v1/repo/fork.go

@@ -8,6 +8,7 @@ import (
 	"code.gitea.io/gitea/models"
 	"code.gitea.io/gitea/modules/context"
 	api "code.gitea.io/gitea/modules/structs"
+	repo_service "code.gitea.io/gitea/services/repository"
 )
 
 // ListForks list a repository's forks
@@ -97,10 +98,12 @@ func CreateFork(ctx *context.APIContext, form api.CreateForkOption) {
 		}
 		forker = org
 	}
-	fork, err := models.ForkRepository(ctx.User, forker, repo, repo.Name, repo.Description)
+
+	fork, err := repo_service.ForkRepository(ctx.User, forker, repo, repo.Name, repo.Description)
 	if err != nil {
 		ctx.Error(500, "ForkRepository", err)
 		return
 	}
+
 	ctx.JSON(202, fork.APIFormat(models.AccessModeOwner))
 }

routers/api/v1/repo/repo.go

@@ -24,6 +24,7 @@ import (
 	"code.gitea.io/gitea/modules/validation"
 	"code.gitea.io/gitea/routers/api/v1/convert"
 	mirror_service "code.gitea.io/gitea/services/mirror"
+	repo_service "code.gitea.io/gitea/services/repository"
 )
 
 var searchOrderByMap = map[string]map[string]models.SearchOrderBy{
@@ -207,7 +208,7 @@ func CreateUserRepo(ctx *context.APIContext, owner *models.User, opt api.CreateR
 	if opt.AutoInit && opt.Readme == "" {
 		opt.Readme = "Default"
 	}
-	repo, err := models.CreateRepository(ctx.User, owner, models.CreateRepoOptions{
+	repo, err := repo_service.CreateRepository(ctx.User, owner, models.CreateRepoOptions{
 		Name:        opt.Name,
 		Description: opt.Description,
 		IssueLabels: opt.IssueLabels,
@@ -224,18 +225,11 @@ func CreateUserRepo(ctx *context.APIContext, owner *models.User, opt api.CreateR
 			models.IsErrNamePatternNotAllowed(err) {
 			ctx.Error(422, "", err)
 		} else {
-			if repo != nil {
-				if err = models.DeleteRepository(ctx.User, ctx.User.ID, repo.ID); err != nil {
-					log.Error("DeleteRepository: %v", err)
-				}
-			}
 			ctx.Error(500, "CreateRepository", err)
 		}
 		return
 	}
 
-	notification.NotifyCreateRepository(ctx.User, owner, repo)
-
 	ctx.JSON(201, repo.APIFormat(models.AccessModeOwner))
 }
 
@@ -433,7 +427,7 @@ func Migrate(ctx *context.APIContext, form auth.MigrateRepoForm) {
 
 	repo, err := migrations.MigrateRepository(ctx.User, ctxUser.Name, opts)
 	if err == nil {
-		notification.NotifyCreateRepository(ctx.User, ctxUser, repo)
+		notification.NotifyMigrateRepository(ctx.User, ctxUser, repo)
 
 		log.Trace("Repository migrated: %s/%s", ctxUser.Name, form.RepoName)
 		ctx.JSON(201, repo.APIFormat(models.AccessModeAdmin))
@@ -876,18 +870,16 @@ func Delete(ctx *context.APIContext) {
 	owner := ctx.Repo.Owner
 	repo := ctx.Repo.Repository
 
-	if owner.IsOrganization() && !ctx.User.IsAdmin {
+	canDelete, err := repo.CanUserDelete(ctx.User)
-		isOwner, err := owner.IsOwnedBy(ctx.User.ID)
 	if err != nil {
-			ctx.Error(500, "IsOwnedBy", err)
+		ctx.Error(500, "CanUserDelete", err)
 		return
-		} else if !isOwner {
+	} else if !canDelete {
 		ctx.Error(403, "", "Given user is not owner of organization.")
 		return
 	}
-	}
 
-	if err := models.DeleteRepository(ctx.User, owner.ID, repo.ID); err != nil {
+	if err := repo_service.DeleteRepository(ctx.User, repo); err != nil {
 		ctx.Error(500, "DeleteRepository", err)
 		return
 	}

routers/repo/pull.go

@@ -26,6 +26,7 @@ import (
 	"code.gitea.io/gitea/services/gitdiff"
 	issue_service "code.gitea.io/gitea/services/issue"
 	pull_service "code.gitea.io/gitea/services/pull"
+	repo_service "code.gitea.io/gitea/services/repository"
 
 	"github.com/unknwon/com"
 )
@@ -209,7 +210,7 @@ func ForkPost(ctx *context.Context, form auth.CreateRepoForm) {
 		}
 	}
 
-	repo, err := models.ForkRepository(ctx.User, ctxUser, forkRepo, form.RepoName, form.Description)
+	repo, err := repo_service.ForkRepository(ctx.User, ctxUser, forkRepo, form.RepoName, form.Description)
 	if err != nil {
 		ctx.Data["Err_RepoName"] = true
 		switch {

routers/repo/repo.go

@@ -17,10 +17,10 @@ import (
 	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/migrations"
-	"code.gitea.io/gitea/modules/notification"
 	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/modules/task"
 	"code.gitea.io/gitea/modules/util"
+	repo_service "code.gitea.io/gitea/services/repository"
 
 	"github.com/unknwon/com"
 )
@@ -170,7 +170,7 @@ func CreatePost(ctx *context.Context, form auth.CreateRepoForm) {
 		return
 	}
 
-	repo, err := models.CreateRepository(ctx.User, ctxUser, models.CreateRepoOptions{
+	repo, err := repo_service.CreateRepository(ctx.User, ctxUser, models.CreateRepoOptions{
 		Name:        form.RepoName,
 		Description: form.Description,
 		Gitignores:  form.Gitignores,
@@ -181,19 +181,11 @@ func CreatePost(ctx *context.Context, form auth.CreateRepoForm) {
 		AutoInit:    form.AutoInit,
 	})
 	if err == nil {
-		notification.NotifyCreateRepository(ctx.User, ctxUser, repo)
-
 		log.Trace("Repository created [%d]: %s/%s", repo.ID, ctxUser.Name, repo.Name)
 		ctx.Redirect(setting.AppSubURL + "/" + ctxUser.Name + "/" + repo.Name)
 		return
 	}
 
-	if repo != nil {
-		if errDelete := models.DeleteRepository(ctx.User, ctxUser.ID, repo.ID); errDelete != nil {
-			log.Error("DeleteRepository: %v", errDelete)
-		}
-	}
-
 	handleCreateError(ctx, ctxUser, err, "CreatePost", tplCreate, &form)
 }
 

routers/repo/setting.go

@@ -26,6 +26,7 @@ import (
 	"code.gitea.io/gitea/routers/utils"
 	"code.gitea.io/gitea/services/mailer"
 	mirror_service "code.gitea.io/gitea/services/mirror"
+	repo_service "code.gitea.io/gitea/services/repository"
 
 	"github.com/unknwon/com"
 	"mvdan.cc/xurls/v2"
@@ -407,7 +408,7 @@ func SettingsPost(ctx *context.Context, form auth.RepoSettingForm) {
 			return
 		}
 
-		if err := models.DeleteRepository(ctx.User, ctx.Repo.Owner.ID, repo.ID); err != nil {
+		if err := repo_service.DeleteRepository(ctx.User, ctx.Repo.Repository); err != nil {
 			ctx.ServerError("DeleteRepository", err)
 			return
 		}

services/repository/repository.go

@@ -0,0 +1,56 @@
+// 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 (
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/notification"
+)
+
+// CreateRepository creates a repository for the user/organization.
+func CreateRepository(doer, owner *models.User, opts models.CreateRepoOptions) (*models.Repository, error) {
+	repo, err := models.CreateRepository(doer, owner, opts)
+	if err != nil {
+		if repo != nil {
+			if errDelete := models.DeleteRepository(doer, owner.ID, repo.ID); errDelete != nil {
+				log.Error("Rollback deleteRepository: %v", errDelete)
+			}
+		}
+		return nil, err
+	}
+
+	notification.NotifyCreateRepository(doer, owner, repo)
+
+	return repo, nil
+}
+
+// ForkRepository forks a repository
+func ForkRepository(doer, u *models.User, oldRepo *models.Repository, name, desc string) (*models.Repository, error) {
+	repo, err := models.ForkRepository(doer, u, oldRepo, name, desc)
+	if err != nil {
+		if repo != nil {
+			if errDelete := models.DeleteRepository(doer, u.ID, repo.ID); errDelete != nil {
+				log.Error("Rollback deleteRepository: %v", errDelete)
+			}
+		}
+		return nil, err
+	}
+
+	notification.NotifyForkRepository(doer, oldRepo, repo)
+
+	return repo, nil
+}
+
+// DeleteRepository deletes a repository for a user or organization.
+func DeleteRepository(doer *models.User, repo *models.Repository) error {
+	if err := models.DeleteRepository(doer, repo.OwnerID, repo.ID); err != nil {
+		return err
+	}
+
+	notification.NotifyDeleteRepository(doer, repo)
+
+	return nil
+}