From e68b9d00a6e05b3a941f63ffb696f91e554ac5ec Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel@debian.org>
Date: Fri, 18 Oct 2024 20:33:49 +0200
Subject: Adding upstream version 9.0.3.

Signed-off-by: Daniel Baumann <daniel@debian.org>
---
 modules/indexer/stats/indexer.go | 88 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 modules/indexer/stats/indexer.go

(limited to 'modules/indexer/stats/indexer.go')

diff --git a/modules/indexer/stats/indexer.go b/modules/indexer/stats/indexer.go
new file mode 100644
index 0000000..7ec89e2
--- /dev/null
+++ b/modules/indexer/stats/indexer.go
@@ -0,0 +1,88 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package stats
+
+import (
+	"context"
+
+	"code.gitea.io/gitea/models/db"
+	repo_model "code.gitea.io/gitea/models/repo"
+	"code.gitea.io/gitea/modules/graceful"
+	"code.gitea.io/gitea/modules/log"
+)
+
+// Indexer defines an interface to index repository stats
+// TODO: this indexer is quite different from the others, maybe this package should be moved out from module/indexer
+type Indexer interface {
+	Index(id int64) error
+	Close()
+}
+
+// indexer represents a indexer instance
+var indexer Indexer
+
+// Init initialize the repo indexer
+func Init() error {
+	indexer = &DBIndexer{}
+
+	if err := initStatsQueue(); err != nil {
+		return err
+	}
+
+	go populateRepoIndexer(db.DefaultContext)
+
+	return nil
+}
+
+// populateRepoIndexer populate the repo indexer with pre-existing data. This
+// should only be run when the indexer is created for the first time.
+func populateRepoIndexer(ctx context.Context) {
+	log.Info("Populating the repo stats indexer with existing repositories")
+
+	isShutdown := graceful.GetManager().IsShutdown()
+
+	exist, err := db.IsTableNotEmpty("repository")
+	if err != nil {
+		log.Fatal("System error: %v", err)
+	} else if !exist {
+		return
+	}
+
+	var maxRepoID int64
+	if maxRepoID, err = db.GetMaxID("repository"); err != nil {
+		log.Fatal("System error: %v", err)
+	}
+
+	// start with the maximum existing repo ID and work backwards, so that we
+	// don't include repos that are created after gitea starts; such repos will
+	// already be added to the indexer, and we don't need to add them again.
+	for maxRepoID > 0 {
+		select {
+		case <-isShutdown:
+			log.Info("Repository Stats Indexer population shutdown before completion")
+			return
+		default:
+		}
+		ids, err := repo_model.GetUnindexedRepos(ctx, repo_model.RepoIndexerTypeStats, maxRepoID, 0, 50)
+		if err != nil {
+			log.Error("populateRepoIndexer: %v", err)
+			return
+		} else if len(ids) == 0 {
+			break
+		}
+		for _, id := range ids {
+			select {
+			case <-isShutdown:
+				log.Info("Repository Stats Indexer population shutdown before completion")
+				return
+			default:
+			}
+			if err := statsQueue.Push(id); err != nil {
+				log.Error("statsQueue.Push: %v", err)
+			}
+			maxRepoID = id - 1
+		}
+	}
+	log.Info("Done (re)populating the repo stats indexer with existing repositories")
+}
-- 
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