Get latest commit statuses from database instead of git data on dashboard for repositories (go-gitea#25605)

related go-gitea#24638

Author: lunny

models/git/branch_list.go

@@ -130,3 +130,20 @@ func FindBranchNames(ctx context.Context, opts FindBranchOptions) ([]string, err
 	}
 	return branches, nil
 }
+
+func FindBranchesByRepoAndBranchName(ctx context.Context, repoBranches map[int64]string) (map[int64]string, error) {
+	cond := builder.NewCond()
+	for repoID, branchName := range repoBranches {
+		cond = cond.Or(builder.And(builder.Eq{"repo_id": repoID}, builder.Eq{"name": branchName}))
+	}
+	var branches []*Branch
+	if err := db.GetEngine(ctx).
+		Where(cond).Find(&branches); err != nil {
+		return nil, err
+	}
+	branchMap := make(map[int64]string, len(branches))
+	for _, branch := range branches {
+		branchMap[branch.RepoID] = branch.CommitID
+	}
+	return branchMap, nil
+}

routers/web/repo/repo.go

@@ -579,13 +579,15 @@ func SearchRepo(ctx *context.Context) {
 
 	// collect the latest commit of each repo
 	// at most there are dozens of repos (limited by MaxResponseItems), so it's not a big problem at the moment
-	repoIDsToLatestCommitSHAs := make(map[int64]string, len(repos))
+	repoBranchNames := make(map[int64]string, len(repos))
 	for _, repo := range repos {
-		commitID, err := repo_service.GetBranchCommitID(ctx, repo, repo.DefaultBranch)
-		if err != nil {
-			continue
-		}
-		repoIDsToLatestCommitSHAs[repo.ID] = commitID
+		repoBranchNames[repo.ID] = repo.DefaultBranch
+	}
+
+	repoIDsToLatestCommitSHAs, err := git_model.FindBranchesByRepoAndBranchName(ctx, repoBranchNames)
+	if err != nil {
+		log.Error("FindBranchesByRepoAndBranchName: %v", err)
+		return
 	}
 
 	// call the database O(1) times to get the commit statuses for all repos