Add status indicator on main home screen for each repo (#24638)

It will show the calculated commit status state of the latest commit on
the default branch for each repository in the dashboard repo list

- Closes #15620

# Before

![image](aa1326c7-43c0-458a-a798-3102c766bcf9)

# After

![image](8658cc03-2224-442a-b1c8-bf64126e4575)

---------

Signed-off-by: Yarden Shoham <git@yardenshoham.com>
Co-authored-by: delvh <dev.lh@web.de>
Co-authored-by: Giteabot <teabot@gitea.io>

models/git/commit_status.go

@@ -23,6 +23,7 @@ import (
 	api "code.gitea.io/gitea/modules/structs"
 	"code.gitea.io/gitea/modules/timeutil"
 
+	"xorm.io/builder"
 	"xorm.io/xorm"
 )
 
@@ -240,6 +241,55 @@ func GetLatestCommitStatus(ctx context.Context, repoID int64, sha string, listOp
 	return statuses, count, db.GetEngine(ctx).In("id", ids).Find(&statuses)
 }
 
+// GetLatestCommitStatusForPairs returns all statuses with a unique context for a given list of repo-sha pairs
+func GetLatestCommitStatusForPairs(ctx context.Context, repoIDsToLatestCommitSHAs map[int64]string, listOptions db.ListOptions) (map[int64][]*CommitStatus, error) {
+	type result struct {
+		ID     int64
+		RepoID int64
+	}
+
+	results := make([]result, 0, len(repoIDsToLatestCommitSHAs))
+
+	sess := db.GetEngine(ctx).Table(&CommitStatus{})
+
+	// Create a disjunction of conditions for each repoID and SHA pair
+	conds := make([]builder.Cond, 0, len(repoIDsToLatestCommitSHAs))
+	for repoID, sha := range repoIDsToLatestCommitSHAs {
+		conds = append(conds, builder.Eq{"repo_id": repoID, "sha": sha})
+	}
+	sess = sess.Where(builder.Or(conds...)).
+		Select("max( id ) as id, repo_id").
+		GroupBy("context_hash, repo_id").OrderBy("max( id ) desc")
+
+	sess = db.SetSessionPagination(sess, &listOptions)
+
+	err := sess.Find(&results)
+	if err != nil {
+		return nil, err
+	}
+
+	ids := make([]int64, 0, len(results))
+	repoStatuses := make(map[int64][]*CommitStatus)
+	for _, result := range results {
+		ids = append(ids, result.ID)
+	}
+
+	statuses := make([]*CommitStatus, 0, len(ids))
+	if len(ids) > 0 {
+		err = db.GetEngine(ctx).In("id", ids).Find(&statuses)
+		if err != nil {
+			return nil, err
+		}
+
+		// Group the statuses by repo ID
+		for _, status := range statuses {
+			repoStatuses[status.RepoID] = append(repoStatuses[status.RepoID], status)
+		}
+	}
+
+	return repoStatuses, nil
+}
+
 // FindRepoRecentCommitStatusContexts returns repository's recent commit status contexts
 func FindRepoRecentCommitStatusContexts(ctx context.Context, repoID int64, before time.Duration) ([]string, error) {
 	start := timeutil.TimeStampNow().AddDuration(-before)