From 487852f07eb191ef56967b7b7d7f01537a55eabd Mon Sep 17 00:00:00 2001
From: Frédéric Guillot <fred@miniflux.net>
Date: Sun, 11 Nov 2018 15:32:48 -0800
Subject: Replace daemon and scheduler package with service package

---
 worker/doc.go    | 10 ++++++++++
 worker/pool.go   | 36 ++++++++++++++++++++++++++++++++++++
 worker/worker.go | 32 ++++++++++++++++++++++++++++++++
 3 files changed, 78 insertions(+)
 create mode 100644 worker/doc.go
 create mode 100644 worker/pool.go
 create mode 100644 worker/worker.go

(limited to 'worker')

diff --git a/worker/doc.go b/worker/doc.go
new file mode 100644
index 0000000..816f8ad
--- /dev/null
+++ b/worker/doc.go
@@ -0,0 +1,10 @@
+// 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 worker implements the background workers.
+
+*/
+package worker // import "miniflux.app/worker"
diff --git a/worker/pool.go b/worker/pool.go
new file mode 100644
index 0000000..909e815
--- /dev/null
+++ b/worker/pool.go
@@ -0,0 +1,36 @@
+// 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 worker // import "miniflux.app/worker"
+
+import (
+	"miniflux.app/model"
+	"miniflux.app/reader/feed"
+)
+
+// Pool handles a pool of workers.
+type Pool struct {
+	queue chan model.Job
+}
+
+// Push send a list of jobs to the queue.
+func (p *Pool) Push(jobs model.JobList) {
+	for _, job := range jobs {
+		p.queue <- job
+	}
+}
+
+// NewPool creates a pool of background workers.
+func NewPool(feedHandler *feed.Handler, nbWorkers int) *Pool {
+	workerPool := &Pool{
+		queue: make(chan model.Job),
+	}
+
+	for i := 0; i < nbWorkers; i++ {
+		worker := &Worker{id: i, feedHandler: feedHandler}
+		go worker.Run(workerPool.queue)
+	}
+
+	return workerPool
+}
diff --git a/worker/worker.go b/worker/worker.go
new file mode 100644
index 0000000..beff209
--- /dev/null
+++ b/worker/worker.go
@@ -0,0 +1,32 @@
+// Copyright 2017 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 worker // import "miniflux.app/worker"
+
+import (
+	"miniflux.app/logger"
+	"miniflux.app/model"
+	"miniflux.app/reader/feed"
+)
+
+// Worker refreshes a feed in the background.
+type Worker struct {
+	id          int
+	feedHandler *feed.Handler
+}
+
+// Run wait for a job and refresh the given feed.
+func (w *Worker) Run(c chan model.Job) {
+	logger.Info("[Worker] #%d started", w.id)
+
+	for {
+		job := <-c
+		logger.Debug("[Worker #%d] got userID=%d, feedID=%d", w.id, job.UserID, job.FeedID)
+
+		err := w.feedHandler.RefreshFeed(job.UserID, job.FeedID)
+		if err != nil {
+			logger.Error("[Worker] %v", err)
+		}
+	}
+}
-- 
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