From 828f9a6b40ba8722d9d7e805319a51d0e7eb2c4c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niels=20Bernl=C3=B6hr?= <niels.bernloehr@web.de>
Date: Sat, 24 Dec 2016 22:35:39 +0100
Subject: [PATCH] Fixed writing empty schedule files and breaking application

---
 src/schedule.cpp | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/schedule.cpp b/src/schedule.cpp
index f194e54..6436520 100644
--- a/src/schedule.cpp
+++ b/src/schedule.cpp
@@ -9,6 +9,8 @@ Schedule::Schedule(QObject *parent) : QObject(parent)
     mFilename = mDirname+"/cache.json";
     qDebug() << "filename" << mFilename;
     nam = new QNetworkAccessManager(this);
+    mUpdating = false;
+    emit updatingChanged(mUpdating);
     if(!loadFromDisk()){
         loadFromNetwork();
     }
@@ -18,10 +20,15 @@ bool Schedule::loadFromDisk(){
     QFile file(mFilename);
     if(file.open(QIODevice::ReadOnly)){
         mSchedule = QString(file.readAll());
-        emit scheduleChanged(mSchedule);
         file.close();
-        qDebug() << "LOAD FROM DISK SUCCEEDED";
-        return true;
+        if(!mSchedule.isEmpty()){
+            emit scheduleChanged(mSchedule);
+            qDebug() << "LOAD FROM DISK SUCCEEDED";
+            return true;
+        } else {
+            qDebug() << "LOAD FROM DISK FAILED";
+            return false;
+        }
     } else {
         emit loadFromDiskFailed();
         qDebug() << "LOAD FROM DISK FAILED";
@@ -43,7 +50,7 @@ void Schedule::loadFromNetwork(){
 void Schedule::RequestFinished(QNetworkReply *reply){
     if(reply->error() == QNetworkReply::NoError){
         QString tmp = QString(reply->readAll());
-        if(mSchedule != tmp){
+        if(mSchedule != tmp && !tmp.isEmpty()){
             mSchedule = tmp;
             emit scheduleChanged(mSchedule);
             write(mSchedule);