Update topics repo count when deleting repository (#10051)

* Update topics repo count when deleting repository

* Add migration to fix incorrect data

* Optimize to use single update to recalculate values
This commit is contained in:
Lauris BH 2020-01-31 08:57:19 +02:00 committed by GitHub
parent 159732dcb7
commit b3d8e2d4f7
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
4 changed files with 54 additions and 3 deletions

View file

@ -306,6 +306,8 @@ var migrations = []Migration{
NewMigration("Add columns to user and repository", addUserRepoMissingColumns),
// v125 -> v126
NewMigration("Add some columns on review for migration", addReviewMigrateInfo),
// v126 -> v127
NewMigration("Fix topic repository count", fixTopicRepositoryCount),
}
// Migrate database to current version

25
models/migrations/v126.go Normal file
View file

@ -0,0 +1,25 @@
// Copyright 2020 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 migrations
import (
"xorm.io/builder"
"xorm.io/xorm"
)
func fixTopicRepositoryCount(x *xorm.Engine) error {
_, err := x.Exec(builder.Delete(builder.NotIn("`repo_id`", builder.Select("`id`").From("`repository`"))).From("`repo_topic`"))
if err != nil {
return err
}
_, err = x.Exec(builder.Update(
builder.Eq{
"`repo_count`": builder.Select("count(*)").From("`repo_topic`").Where(builder.Eq{
"`repo_topic`.`topic_id`": builder.Expr("`topic`.`id`"),
}),
}).From("`topic`").Where(builder.Eq{"'1'": "1"}))
return err
}

View file

@ -1571,6 +1571,12 @@ func DeleteRepository(doer *User, uid, repoID int64) error {
return err
}
if len(repo.Topics) > 0 {
if err = removeTopicsFromRepo(sess, repo.ID); err != nil {
return err
}
}
// FIXME: Remove repository files should be executed after transaction succeed.
repoPath := repo.RepoPath()
removeAllWithNotice(sess, "Delete repository files", repoPath)

View file

@ -129,7 +129,7 @@ func addTopicByNameToRepo(e Engine, repoID int64, topicName string) (*Topic, err
}
// removeTopicFromRepo remove a topic from a repo and decrements the topic repo count
func removeTopicFromRepo(repoID int64, topic *Topic, e Engine) error {
func removeTopicFromRepo(e Engine, repoID int64, topic *Topic) error {
topic.RepoCount--
if _, err := e.ID(topic.ID).Cols("repo_count").Update(topic); err != nil {
return err
@ -145,6 +145,24 @@ func removeTopicFromRepo(repoID int64, topic *Topic, e Engine) error {
return nil
}
// removeTopicsFromRepo remove all topics from the repo and decrements respective topics repo count
func removeTopicsFromRepo(e Engine, repoID int64) error {
_, err := e.Where(
builder.In("id",
builder.Select("topic_id").From("repo_topic").Where(builder.Eq{"repo_id": repoID}),
),
).Cols("repo_count").SetExpr("repo_count", "repo_count-1").Update(&Topic{})
if err != nil {
return err
}
if _, err = e.Delete(&RepoTopic{RepoID: repoID}); err != nil {
return err
}
return nil
}
// FindTopicOptions represents the options when fdin topics
type FindTopicOptions struct {
ListOptions
@ -216,7 +234,7 @@ func DeleteTopic(repoID int64, topicName string) (*Topic, error) {
return nil, nil
}
err = removeTopicFromRepo(repoID, topic, x)
err = removeTopicFromRepo(x, repoID, topic)
return topic, err
}
@ -277,7 +295,7 @@ func SaveTopics(repoID int64, topicNames ...string) error {
}
for _, topic := range removeTopics {
err := removeTopicFromRepo(repoID, topic, sess)
err := removeTopicFromRepo(sess, repoID, topic)
if err != nil {
return err
}