1 files changed, 73 insertions, 0 deletions
diff --git a/internal/media/cron.go b/internal/media/cron.go
new file mode 100644
index 000000000..e32a63661
--- /dev/null
+++ b/internal/media/cron.go
@@ -0,0 +1,73 @@
+/*
+   GoToSocial
+   Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package media
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/robfig/cron/v3"
+	"github.com/superseriousbusiness/gotosocial/internal/config"
+	"github.com/superseriousbusiness/gotosocial/internal/log"
+)
+
+type cronLogger struct{}
+
+func (l *cronLogger) Info(msg string, keysAndValues ...interface{}) {
+	log.Info("media manager cron logger: ", msg, keysAndValues)
+}
+
+func (l *cronLogger) Error(err error, msg string, keysAndValues ...interface{}) {
+	log.Error("media manager cron logger: ", err, msg, keysAndValues)
+}
+
+func scheduleCleanup(m *manager) error {
+	pruneCtx, pruneCancel := context.WithCancel(context.Background())
+
+	c := cron.New(cron.WithLogger(new(cronLogger)))
+	defer c.Start()
+
+	if _, err := c.AddFunc("@midnight", func() {
+		if err := m.PruneAll(pruneCtx, config.GetMediaRemoteCacheDays(), true); err != nil {
+			log.Error(err)
+			return
+		}
+	}); err != nil {
+		pruneCancel()
+		return fmt.Errorf("error starting media manager cleanup job: %s", err)
+	}
+
+	m.stopCronJobs = func() error {
+		// Try to stop jobs gracefully by waiting til they're finished.
+		stopCtx := c.Stop()
+
+		select {
+		case <-stopCtx.Done():
+			log.Infof("media manager: cron finished jobs and stopped gracefully")
+		case <-time.After(1 * time.Minute):
+			log.Warnf("media manager: cron didn't stop after 60 seconds, force closing jobs")
+			pruneCancel()
+		}
+
+		return nil
+	}
+
+	return nil
+}