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// Copyright 2017 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 (
"fmt"
"xorm.io/xorm"
)
func removeDuplicateUnitTypes(x *xorm.Engine) error {
// RepoUnit describes all units of a repository
type RepoUnit struct {
RepoID int64
Type int
}
// Enumerate all the unit types
const (
UnitTypeCode = iota + 1 // 1 code
UnitTypeIssues // 2 issues
UnitTypePullRequests // 3 PRs
UnitTypeReleases // 4 Releases
UnitTypeWiki // 5 Wiki
UnitTypeExternalWiki // 6 ExternalWiki
UnitTypeExternalTracker // 7 ExternalTracker
)
var externalIssueRepoUnits []RepoUnit
err := x.Where("type = ?", UnitTypeExternalTracker).Find(&externalIssueRepoUnits)
if err != nil {
return fmt.Errorf("Query repositories: %v", err)
}
var externalWikiRepoUnits []RepoUnit
err = x.Where("type = ?", UnitTypeExternalWiki).Find(&externalWikiRepoUnits)
if err != nil {
return fmt.Errorf("Query repositories: %v", err)
}
sess := x.NewSession()
defer sess.Close()
if err := sess.Begin(); err != nil {
return err
}
for _, repoUnit := range externalIssueRepoUnits {
if _, err = sess.Delete(&RepoUnit{
RepoID: repoUnit.RepoID,
Type: UnitTypeIssues,
}); err != nil {
return fmt.Errorf("Delete repo unit: %v", err)
}
}
for _, repoUnit := range externalWikiRepoUnits {
if _, err = sess.Delete(&RepoUnit{
RepoID: repoUnit.RepoID,
Type: UnitTypeWiki,
}); err != nil {
return fmt.Errorf("Delete repo unit: %v", err)
}
}
return sess.Commit()
}
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