fix sync

cmd/android-app/component/tasks.go

@@ -1,7 +1,6 @@
 package component
 
 import (
-	"fmt"
 	"sort"
 	"time"
 
@@ -66,26 +65,27 @@ func (t *Tasks) Today() (map[string]string, error) {
 	return tasks, nil
 }
 
-func (t *Tasks) Sync(logger *Logger) (int, int, error) {
+func (t *Tasks) Sync() (int, int, error) {
 	countDisp, err := process.NewSend(t.local, t.disp).Process()
 	if err != nil {
 		return 0, 0, err
 	}
-	logger.Log("finished dispatch")
 
 	latestFetch, err := t.local.LatestSync()
 	if err != nil {
 		return 0, 0, err
 	}
-	logger.Log(fmt.Sprintf("latest fetch time, was at %s", latestFetch.Format(time.Stamp)))
+	// use unix timestamp for time comparison, because time.Before and
-	if time.Now().Before(latestFetch.Add(15 * time.Minute)) {
+	// time.After depend on a monotonic clock and in Android the
+	// monotonic clock stops ticking if the phone is in suspended sleep
+	if latestFetch.Add(15*time.Minute).Unix() > time.Now().Unix() {
 		return countDisp, 0, nil
 	}
+
 	res, err := process.NewFetch(t.remote, t.local).Process()
 	if err != nil {
 		return countDisp, 0, err
 	}
-	logger.Log("fininshed actual fetch")
 	return countDisp, res.Count, nil
 }
 

cmd/android-app/runner/runner.go

@@ -73,7 +73,6 @@ func (r *Runner) Run() {
 
 func (r *Runner) processRequest() {
 	for req := range r.requests {
-		r.logger.Log(fmt.Sprintf("processing request %T", req))
 		switch v := req.(type) {
 		case screen.SaveConfigRequest:
 			r.status = "saving..."
@@ -81,33 +80,28 @@ func (r *Runner) processRequest() {
 			for k, val := range v.Fields {
 				r.conf.Set(k, val)
 			}
-			r.logger.Log("new config saved")
 			r.status = "ready"
+			r.logger.Log("config saved")
 		case screen.SyncTasksRequest:
-			r.logger.Log("starting sync request")
 			r.status = "syncing..."
 			r.refresh <- true
-			countDisp, countFetch, err := r.tasks.Sync(r.logger)
+			countDisp, countFetch, err := r.tasks.Sync()
 			if err != nil {
 				r.logger.Log(err.Error())
 			}
-			//if countDisp > 0 || countFetch > 0 {
+			if countDisp > 0 || countFetch > 0 {
 				r.logger.Log(fmt.Sprintf("task sync: dispatched: %d, fetched: %d", countDisp, countFetch))
-			//}
+			}
 			r.status = "ready"
-
-			r.logger.Log("fetching all")
 			all, err := r.tasks.All()
 			if err != nil {
 				r.logger.Log(err.Error())
 				break
 			}
-			r.logger.Log("saving all")
 			if err := save(r.fileURI, all); err != nil {
 				r.logger.Log(err.Error())
 				break
 			}
-			r.logger.Log("sync request done")
 		case screen.MarkTaskDoneRequest:
 			if err := r.tasks.MarkDone(v.ID); err != nil {
 				r.logger.Log(err.Error())
@@ -117,19 +111,15 @@ func (r *Runner) processRequest() {
 			r.logger.Log("request unknown")
 		}
 		r.refresh <- true
-		r.logger.Log("processing request done")
 	}
-
 }
 
 func (r *Runner) refresher() {
 	for <-r.refresh {
-		r.logger.Log("start refresh")
 		tasks, err := r.tasks.Today()
 		if err != nil {
 			r.logger.Log(err.Error())
 		}
-		r.logger.Log(fmt.Sprintf("found %d tasks", len(tasks)))
 		sTasks := []screen.Task{}
 		for id, action := range tasks {
 			sTasks = append(sTasks, screen.Task{