From 6d1587e4ec12c2f5e7f43760159d600f4b16089c Mon Sep 17 00:00:00 2001
From: Erik Winter <e@ewintr.nl>
Date: Thu, 20 Oct 2022 13:58:48 +0200
Subject: [PATCH] add background sync

---
 cmd/android-app/component/logger.go | 22 ++++++++++++++++++++--
 cmd/android-app/runner/runner.go    | 10 ++++++++++
 cmd/android-app/screen/log.go       |  4 +---
 cmd/android-app/screen/tasks.go     |  4 +++-
 4 files changed, 34 insertions(+), 6 deletions(-)

diff --git a/cmd/android-app/component/logger.go b/cmd/android-app/component/logger.go
index 1fead11..765a3c7 100644
--- a/cmd/android-app/component/logger.go
+++ b/cmd/android-app/component/logger.go
@@ -1,5 +1,10 @@
 package component
 
+import (
+	"fmt"
+	"time"
+)
+
 type Logger struct {
 	lines []string
 }
@@ -11,9 +16,22 @@ func NewLogger() *Logger {
 }
 
 func (l *Logger) Log(line string) {
-	l.lines = append(l.lines, line)
+	l.lines = append(l.lines, fmt.Sprintf("%s: %s", time.Now().Format("15:04:05"), line))
 }
 
 func (l *Logger) Lines() []string {
-	return l.lines
+	if len(l.lines) == 0 {
+		return []string{}
+	}
+
+	last := len(l.lines) - 1
+	first := last - 50
+	if first < 0 {
+		first = 0
+	}
+	reverse := []string{}
+	for i := last; i >= first; i-- {
+		reverse = append(reverse, l.lines[i])
+	}
+	return reverse
 }
diff --git a/cmd/android-app/runner/runner.go b/cmd/android-app/runner/runner.go
index 0084886..df9ab1b 100644
--- a/cmd/android-app/runner/runner.go
+++ b/cmd/android-app/runner/runner.go
@@ -2,6 +2,7 @@ package runner
 
 import (
 	"fmt"
+	"time"
 
 	"ewintr.nl/gte/cmd/android-app/component"
 	"ewintr.nl/gte/cmd/android-app/screen"
@@ -66,6 +67,7 @@ func (r *Runner) Init() {
 func (r *Runner) Run() {
 	go r.refresher()
 	go r.processRequest()
+	go r.backgroundSync()
 	r.fyneWindow.ShowAndRun()
 }
 
@@ -131,3 +133,11 @@ func (r *Runner) refresher() {
 		}
 	}
 }
+
+func (r *Runner) backgroundSync() {
+	ticker := time.NewTicker(time.Minute)
+	for {
+		<-ticker.C
+		r.requests <- screen.SyncTasksRequest{}
+	}
+}
diff --git a/cmd/android-app/screen/log.go b/cmd/android-app/screen/log.go
index a0c1443..da42a4b 100644
--- a/cmd/android-app/screen/log.go
+++ b/cmd/android-app/screen/log.go
@@ -17,9 +17,7 @@ func NewLog() *Log {
 }
 
 func (l *Log) Refresh(state State) {
-	for i := l.lines.Length(); i < len(state.Logs); i++ {
-		l.lines.Append(state.Logs[i])
-	}
+	l.lines.Set(state.Logs)
 }
 
 func (l *Log) Content() fyne.CanvasObject {
diff --git a/cmd/android-app/screen/tasks.go b/cmd/android-app/screen/tasks.go
index a7643be..d1c5aeb 100644
--- a/cmd/android-app/screen/tasks.go
+++ b/cmd/android-app/screen/tasks.go
@@ -35,11 +35,13 @@ func NewTasks(out chan interface{}) *Tasks {
 func (t *Tasks) Refresh(state State) {
 	t.status.Set(state.Status)
 	t.tasks = state.Tasks
+	sort.Slice(t.tasks, func(i, j int) bool {
+		return t.tasks[i].Action < t.tasks[j].Action
+	})
 	tls := []string{}
 	for _, t := range t.tasks {
 		tls = append(tls, t.Action)
 	}
-	sort.Strings(tls)
 	t.taskLabels.Set(tls)
 }