create "shared" package to workaround import loop issues

2025-05-18 07:53:04 +00:00 · 2024-10-23 21:31:52 +02:00 · 2024-10-23 21:31:52 +02:00 · 3f01fb31d9
commit 3f01fb31d9
parent 30838da15e
3 changed files with 128 additions and 101 deletions
--- a/services/shared/automerge/automerge.go
+++ b/services/shared/automerge/automerge.go
@ -0,0 +1,120 @@
+// Copyright 2021 Gitea. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package automerge
+
+import (
+	"context"
+	"fmt"
+	"strconv"
+	"strings"
+
+	issues_model "code.gitea.io/gitea/models/issues"
+	repo_model "code.gitea.io/gitea/models/repo"
+	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/gitrepo"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/queue"
+)
+
+// PRAutoMergeQueue represents a queue to handle update pull request tests
+var PRAutoMergeQueue *queue.WorkerPoolQueue[string]
+
+func addToQueue(pr *issues_model.PullRequest, sha string) {
+	log.Trace("Adding pullID: %d to the pull requests patch checking queue with sha %s", pr.ID, sha)
+	if err := PRAutoMergeQueue.Push(fmt.Sprintf("%d_%s", pr.ID, sha)); err != nil {
+		log.Error("Error adding pullID: %d to the pull requests patch checking queue %v", pr.ID, err)
+	}
+}
+
+// StartPRCheckAndAutoMergeBySHA start an automerge check and auto merge task for all pull requests of repository and SHA
+func StartPRCheckAndAutoMergeBySHA(ctx context.Context, sha string, repo *repo_model.Repository) error {
+	pulls, err := getPullRequestsByHeadSHA(ctx, sha, repo, func(pr *issues_model.PullRequest) bool {
+		return !pr.HasMerged && pr.CanAutoMerge()
+	})
+	if err != nil {
+		return err
+	}
+
+	for _, pr := range pulls {
+		addToQueue(pr, sha)
+	}
+
+	return nil
+}
+
+// StartPRCheckAndAutoMerge start an automerge check and auto merge task for a pull request
+func StartPRCheckAndAutoMerge(ctx context.Context, pull *issues_model.PullRequest) {
+	if pull == nil || pull.HasMerged || !pull.CanAutoMerge() {
+		return
+	}
+
+	if err := pull.LoadBaseRepo(ctx); err != nil {
+		log.Error("LoadBaseRepo: %v", err)
+		return
+	}
+
+	gitRepo, err := gitrepo.OpenRepository(ctx, pull.BaseRepo)
+	if err != nil {
+		log.Error("OpenRepository: %v", err)
+		return
+	}
+	defer gitRepo.Close()
+	commitID, err := gitRepo.GetRefCommitID(pull.GetGitRefName())
+	if err != nil {
+		log.Error("GetRefCommitID: %v", err)
+		return
+	}
+
+	addToQueue(pull, commitID)
+}
+
+func getPullRequestsByHeadSHA(ctx context.Context, sha string, repo *repo_model.Repository, filter func(*issues_model.PullRequest) bool) (map[int64]*issues_model.PullRequest, error) {
+	gitRepo, err := gitrepo.OpenRepository(ctx, repo)
+	if err != nil {
+		return nil, err
+	}
+	defer gitRepo.Close()
+
+	refs, err := gitRepo.GetRefsBySha(sha, "")
+	if err != nil {
+		return nil, err
+	}
+
+	pulls := make(map[int64]*issues_model.PullRequest)
+
+	for _, ref := range refs {
+		// Each pull branch starts with refs/pull/ we then go from there to find the index of the pr and then
+		// use that to get the pr.
+		if strings.HasPrefix(ref, git.PullPrefix) {
+			parts := strings.Split(ref[len(git.PullPrefix):], "/")
+
+			// e.g. 'refs/pull/1/head' would be []string{"1", "head"}
+			if len(parts) != 2 {
+				log.Error("getPullRequestsByHeadSHA found broken pull ref [%s] on repo [%-v]", ref, repo)
+				continue
+			}
+
+			prIndex, err := strconv.ParseInt(parts[0], 10, 64)
+			if err != nil {
+				log.Error("getPullRequestsByHeadSHA found broken pull ref [%s] on repo [%-v]", ref, repo)
+				continue
+			}
+
+			p, err := issues_model.GetPullRequestByIndex(ctx, repo.ID, prIndex)
+			if err != nil {
+				// If there is no pull request for this branch, we don't try to merge it.
+				if issues_model.IsErrPullRequestNotExist(err) {
+					continue
+				}
+				return nil, err
+			}
+
+			if filter(p) {
+				pulls[p.ID] = p
+			}
+		}
+	}
+
+	return pulls, nil
+}