Some repository refactors (#17950)

* some repository refactors

* remove unnecessary code

* Fix test

* Remove unnecessary banner

models/release.go

@@ -370,3 +370,89 @@ func UpdateReleasesMigrationsByType(gitServiceType structs.GitServiceType, origi
 		})
 	return err
 }
+
+// PushUpdateDeleteTagsContext updates a number of delete tags with context
+func PushUpdateDeleteTagsContext(ctx context.Context, repo *repo_model.Repository, tags []string) error {
+	return pushUpdateDeleteTags(db.GetEngine(ctx), repo, tags)
+}
+
+func pushUpdateDeleteTags(e db.Engine, repo *repo_model.Repository, tags []string) error {
+	if len(tags) == 0 {
+		return nil
+	}
+	lowerTags := make([]string, 0, len(tags))
+	for _, tag := range tags {
+		lowerTags = append(lowerTags, strings.ToLower(tag))
+	}
+
+	if _, err := e.
+		Where("repo_id = ? AND is_tag = ?", repo.ID, true).
+		In("lower_tag_name", lowerTags).
+		Delete(new(Release)); err != nil {
+		return fmt.Errorf("Delete: %v", err)
+	}
+
+	if _, err := e.
+		Where("repo_id = ? AND is_tag = ?", repo.ID, false).
+		In("lower_tag_name", lowerTags).
+		Cols("is_draft", "num_commits", "sha1").
+		Update(&Release{
+			IsDraft: true,
+		}); err != nil {
+		return fmt.Errorf("Update: %v", err)
+	}
+
+	return nil
+}
+
+// PushUpdateDeleteTag must be called for any push actions to delete tag
+func PushUpdateDeleteTag(repo *repo_model.Repository, tagName string) error {
+	rel, err := GetRelease(repo.ID, tagName)
+	if err != nil {
+		if IsErrReleaseNotExist(err) {
+			return nil
+		}
+		return fmt.Errorf("GetRelease: %v", err)
+	}
+	if rel.IsTag {
+		if _, err = db.GetEngine(db.DefaultContext).ID(rel.ID).Delete(new(Release)); err != nil {
+			return fmt.Errorf("Delete: %v", err)
+		}
+	} else {
+		rel.IsDraft = true
+		rel.NumCommits = 0
+		rel.Sha1 = ""
+		if _, err = db.GetEngine(db.DefaultContext).ID(rel.ID).AllCols().Update(rel); err != nil {
+			return fmt.Errorf("Update: %v", err)
+		}
+	}
+
+	return nil
+}
+
+// SaveOrUpdateTag must be called for any push actions to add tag
+func SaveOrUpdateTag(repo *repo_model.Repository, newRel *Release) error {
+	rel, err := GetRelease(repo.ID, newRel.TagName)
+	if err != nil && !IsErrReleaseNotExist(err) {
+		return fmt.Errorf("GetRelease: %v", err)
+	}
+
+	if rel == nil {
+		rel = newRel
+		if _, err = db.GetEngine(db.DefaultContext).Insert(rel); err != nil {
+			return fmt.Errorf("InsertOne: %v", err)
+		}
+	} else {
+		rel.Sha1 = newRel.Sha1
+		rel.CreatedUnix = newRel.CreatedUnix
+		rel.NumCommits = newRel.NumCommits
+		rel.IsDraft = false
+		if rel.IsTag && newRel.PublisherID > 0 {
+			rel.PublisherID = newRel.PublisherID
+		}
+		if _, err = db.GetEngine(db.DefaultContext).ID(rel.ID).AllCols().Update(rel); err != nil {
+			return fmt.Errorf("Update: %v", err)
+		}
+	}
+	return nil
+}