Replace daemon and scheduler package with service package

service/scheduler/scheduler.go

@@ -0,0 +1,46 @@
+// Copyright 2018 Frédéric Guillot. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package scheduler // import "miniflux.app/service/scheduler"
+
+import (
+	"time"
+
+	"miniflux.app/config"
+	"miniflux.app/logger"
+	"miniflux.app/storage"
+	"miniflux.app/worker"
+)
+
+// Serve starts the internal scheduler.
+func Serve(cfg *config.Config, store *storage.Storage, pool *worker.Pool) {
+	go feedScheduler(store, pool, cfg.PollingFrequency(), cfg.BatchSize())
+	go cleanupScheduler(store, cfg.CleanupFrequency())
+}
+
+func feedScheduler(store *storage.Storage, pool *worker.Pool, frequency, batchSize int) {
+	c := time.Tick(time.Duration(frequency) * time.Minute)
+	for range c {
+		jobs, err := store.NewBatch(batchSize)
+		if err != nil {
+			logger.Error("[Scheduler:Feed] %v", err)
+		} else {
+			logger.Debug("[Scheduler:Feed] Pushing %d jobs", len(jobs))
+			pool.Push(jobs)
+		}
+	}
+}
+
+func cleanupScheduler(store *storage.Storage, frequency int) {
+	c := time.Tick(time.Duration(frequency) * time.Hour)
+	for range c {
+		nbSessions := store.CleanOldSessions()
+		nbUserSessions := store.CleanOldUserSessions()
+		logger.Info("[Scheduler:Cleanup] Cleaned %d sessions and %d user sessions", nbSessions, nbUserSessions)
+
+		if err := store.ArchiveEntries(); err != nil {
+			logger.Error("[Scheduler:Cleanup] %v", err)
+		}
+	}
+}