From d5c79db12c326bd0175cd2990764948a536abbbb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20Mr=C3=A1zek?= <peterix@gmail.com>
Date: Sun, 5 Apr 2015 16:06:15 +0200
Subject: [PATCH] GH-849 Fix failure signals not getting delivered from NetJob
 properly

---
 logic/net/NetJob.cpp              |  6 ++--
 logic/net/NetJob.h                |  6 ----
 logic/screenshots/ImgurUpload.cpp | 59 ++++++++++++++++++-------------
 logic/screenshots/ImgurUpload.h   |  1 +
 4 files changed, 38 insertions(+), 34 deletions(-)

diff --git a/logic/net/NetJob.cpp b/logic/net/NetJob.cpp
index 5a50b876..b5503daf 100644
--- a/logic/net/NetJob.cpp
+++ b/logic/net/NetJob.cpp
@@ -85,13 +85,13 @@ void NetJob::startMoreParts()
 		{
 			if(!m_failed.size())
 			{
-				qDebug() << m_job_name.toLocal8Bit() << "succeeded.";
+				qDebug() << m_job_name << "succeeded.";
 				emit succeeded();
 			}
 			else
 			{
-				qCritical() << m_job_name.toLocal8Bit() << "failed.";
-				emit failed();
+				qCritical() << m_job_name << "failed.";
+				emit failed(tr("%1 failed").arg(m_job_name));
 			}
 		}
 		return;
diff --git a/logic/net/NetJob.h b/logic/net/NetJob.h
index 7f7b418c..912a74b3 100644
--- a/logic/net/NetJob.h
+++ b/logic/net/NetJob.h
@@ -86,12 +86,6 @@ public:
 private slots:
 	void startMoreParts();
 
-signals:
-	void started();
-	void progress(qint64 current, qint64 total);
-	void succeeded();
-	void failed();
-
 public slots:
 	virtual void start();
 	// FIXME: implement
diff --git a/logic/screenshots/ImgurUpload.cpp b/logic/screenshots/ImgurUpload.cpp
index 053156b9..abb695b3 100644
--- a/logic/screenshots/ImgurUpload.cpp
+++ b/logic/screenshots/ImgurUpload.cpp
@@ -20,6 +20,7 @@ ImgurUpload::ImgurUpload(ScreenshotPtr shot) : NetAction(), m_shot(shot)
 
 void ImgurUpload::start()
 {
+	finished = false;
 	m_status = Job_InProgress;
 	QNetworkRequest request(m_url);
 	request.setHeader(QNetworkRequest::UserAgentHeader, "MultiMC/5.0 (Uncached)");
@@ -59,43 +60,51 @@ void ImgurUpload::start()
 }
 void ImgurUpload::downloadError(QNetworkReply::NetworkError error)
 {
-	qDebug() << m_reply->errorString();
+	qCritical() << "ImgurUpload failed with error" << m_reply->errorString() << "Server reply:\n" << m_reply->readAll();
+	if(finished)
+	{
+		qCritical() << "Double finished ImgurUpload!";
+		return;
+	}
 	m_status = Job_Failed;
+	finished = true;
+	m_reply.reset();
+	emit failed(m_index_within_job);
 }
 void ImgurUpload::downloadFinished()
 {
-	if (m_status != Job_Failed)
+	if(finished)
 	{
-		QByteArray data = m_reply->readAll();
-		m_reply.reset();
-		QJsonParseError jsonError;
-		QJsonDocument doc = QJsonDocument::fromJson(data, &jsonError);
-		if (jsonError.error != QJsonParseError::NoError)
-		{
-			qDebug() << jsonError.errorString();
-			emit failed(m_index_within_job);
-			return;
-		}
-		auto object = doc.object();
-		if (!object.value("success").toBool())
-		{
-			qDebug() << doc.toJson();
-			emit failed(m_index_within_job);
-			return;
-		}
-		m_shot->m_imgurId = object.value("data").toObject().value("id").toString();
-		m_shot->m_url = object.value("data").toObject().value("link").toString();
-		m_status = Job_Finished;
-		emit succeeded(m_index_within_job);
+		qCritical() << "Double finished ImgurUpload!";
 		return;
 	}
-	else
+	QByteArray data = m_reply->readAll();
+	m_reply.reset();
+	QJsonParseError jsonError;
+	QJsonDocument doc = QJsonDocument::fromJson(data, &jsonError);
+	if (jsonError.error != QJsonParseError::NoError)
 	{
-		qDebug() << m_reply->readAll();
+		qDebug() << "imgur server did not reply with JSON" << jsonError.errorString();
+		finished = true;
 		m_reply.reset();
 		emit failed(m_index_within_job);
 		return;
 	}
+	auto object = doc.object();
+	if (!object.value("success").toBool())
+	{
+		qDebug() << "Screenshot upload not successful:" << doc.toJson();
+		finished = true;
+		m_reply.reset();
+		emit failed(m_index_within_job);
+		return;
+	}
+	m_shot->m_imgurId = object.value("data").toObject().value("id").toString();
+	m_shot->m_url = object.value("data").toObject().value("link").toString();
+	m_status = Job_Finished;
+	finished = true;
+	emit succeeded(m_index_within_job);
+	return;
 }
 void ImgurUpload::downloadProgress(qint64 bytesReceived, qint64 bytesTotal)
 {
diff --git a/logic/screenshots/ImgurUpload.h b/logic/screenshots/ImgurUpload.h
index f569ac3e..f6f4c3a1 100644
--- a/logic/screenshots/ImgurUpload.h
+++ b/logic/screenshots/ImgurUpload.h
@@ -27,4 +27,5 @@ slots:
 
 private:
 	ScreenshotPtr m_shot;
+	bool finished = true;
 };