Language statistics bar for repositories (#8037)

* Implementation for calculating language statistics

Impement saving code language statistics to database

Implement rendering langauge stats

Add primary laguage to show in repository list

Implement repository stats indexer queue

Add indexer test

Refactor to use queue module

* Do not timeout for queues

models/repo_list.go

@@ -46,11 +46,14 @@ func (repos RepositoryList) loadAttributes(e Engine) error {
 		return nil
 	}
 
-	// Load owners.
 	set := make(map[int64]struct{})
+	repoIDs := make([]int64, len(repos))
 	for i := range repos {
 		set[repos[i].OwnerID] = struct{}{}
+		repoIDs[i] = repos[i].ID
 	}
+
+	// Load owners.
 	users := make(map[int64]*User, len(set))
 	if err := e.
 		Where("id > 0").
@@ -61,6 +64,25 @@ func (repos RepositoryList) loadAttributes(e Engine) error {
 	for i := range repos {
 		repos[i].Owner = users[repos[i].OwnerID]
 	}
+
+	// Load primary language.
+	stats := make(LanguageStatList, 0, len(repos))
+	if err := e.
+		Where("`is_primary` = ? AND `language` != ?", true, "other").
+		In("`repo_id`", repoIDs).
+		Find(&stats); err != nil {
+		return fmt.Errorf("find primary languages: %v", err)
+	}
+	stats.loadAttributes()
+	for i := range repos {
+		for _, st := range stats {
+			if st.RepoID == repos[i].ID {
+				repos[i].PrimaryLanguage = st
+				break
+			}
+		}
+	}
+
 	return nil
 }
 
@@ -119,7 +141,6 @@ type SearchRepoOptions struct {
 	OrderBy         SearchOrderBy
 	Private         bool // Include private repositories in results
 	StarredByID     int64
-	IsProfile       bool
 	AllPublic       bool // Include also all public repositories of users and public organisations
 	AllLimited      bool // Include also all public repositories of limited organisations
 	// None -> include collaborative AND non-collaborative
@@ -306,10 +327,8 @@ func SearchRepository(opts *SearchRepoOptions) (RepositoryList, int64, error) {
 		return nil, 0, fmt.Errorf("Repo: %v", err)
 	}
 
-	if !opts.IsProfile {
-		if err = repos.loadAttributes(sess); err != nil {
-			return nil, 0, fmt.Errorf("LoadAttributes: %v", err)
-		}
+	if err = repos.loadAttributes(sess); err != nil {
+		return nil, 0, fmt.Errorf("LoadAttributes: %v", err)
 	}
 
 	return repos, count, nil