forgejo/modules/repository/update.go

// 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 repository

import (
	"context"
	"fmt"
	"strings"
	"time"

	"code.gitea.io/gitea/models"
	"code.gitea.io/gitea/models/db"
	"code.gitea.io/gitea/modules/git"
	"code.gitea.io/gitea/modules/timeutil"
)

// PushUpdateAddDeleteTags updates a number of added and delete tags
func PushUpdateAddDeleteTags(repo *models.Repository, gitRepo *git.Repository, addTags, delTags []string) error {
	return db.WithTx(func(ctx context.Context) error {
		if err := models.PushUpdateDeleteTagsContext(ctx, repo, delTags); err != nil {
			return err
		}
		return pushUpdateAddTags(ctx, repo, gitRepo, addTags)
	})
}

// pushUpdateAddTags updates a number of add tags
func pushUpdateAddTags(ctx context.Context, repo *models.Repository, gitRepo *git.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))
	}

	releases, err := models.GetReleasesByRepoIDAndNames(ctx, repo.ID, lowerTags)
	if err != nil {
		return fmt.Errorf("GetReleasesByRepoIDAndNames: %v", err)
	}
	relMap := make(map[string]*models.Release)
	for _, rel := range releases {
		relMap[rel.LowerTagName] = rel
	}

	newReleases := make([]*models.Release, 0, len(lowerTags)-len(relMap))

	emailToUser := make(map[string]*models.User)

	for i, lowerTag := range lowerTags {
		tag, err := gitRepo.GetTag(tags[i])
		if err != nil {
			return fmt.Errorf("GetTag: %v", err)
		}
		commit, err := tag.Commit()
		if err != nil {
			return fmt.Errorf("Commit: %v", err)
		}

		sig := tag.Tagger
		if sig == nil {
			sig = commit.Author
		}
		if sig == nil {
			sig = commit.Committer
		}
		var author *models.User
		var createdAt = time.Unix(1, 0)

		if sig != nil {
			var ok bool
			author, ok = emailToUser[sig.Email]
			if !ok {
				author, err = models.GetUserByEmailContext(ctx, sig.Email)
				if err != nil && !models.IsErrUserNotExist(err) {
					return fmt.Errorf("GetUserByEmail: %v", err)
				}
				if author != nil {
					emailToUser[sig.Email] = author
				}
			}
			createdAt = sig.When
		}

		commitsCount, err := commit.CommitsCount()
		if err != nil {
			return fmt.Errorf("CommitsCount: %v", err)
		}

		rel, has := relMap[lowerTag]

		if !has {
			rel = &models.Release{
				RepoID:       repo.ID,
				Title:        "",
				TagName:      tags[i],
				LowerTagName: lowerTag,
				Target:       "",
				Sha1:         commit.ID.String(),
				NumCommits:   commitsCount,
				Note:         "",
				IsDraft:      false,
				IsPrerelease: false,
				IsTag:        true,
				CreatedUnix:  timeutil.TimeStamp(createdAt.Unix()),
			}
			if author != nil {
				rel.PublisherID = author.ID
			}

			newReleases = append(newReleases, rel)
		} else {
			rel.Sha1 = commit.ID.String()
			rel.CreatedUnix = timeutil.TimeStamp(createdAt.Unix())
			rel.NumCommits = commitsCount
			rel.IsDraft = false
			if rel.IsTag && author != nil {
				rel.PublisherID = author.ID
			}
			if err = models.UpdateRelease(ctx, rel); err != nil {
				return fmt.Errorf("Update: %v", err)
			}
		}
	}

	if len(newReleases) > 0 {
		if err = models.InsertReleasesContext(ctx, newReleases); err != nil {
			return fmt.Errorf("Insert: %v", err)
		}
	}

	return nil
}