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: GH-849 Fix failure signals not getting delivered from NetJob properly

---
 logic/screenshots/ImgurUpload.cpp | 57 ++++++++++++++++++++++-----------------
 logic/screenshots/ImgurUpload.h   |  1 +
 2 files changed, 34 insertions(+), 24 deletions(-)

(limited to 'logic/screenshots')

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();
+		qCritical() << "Double finished ImgurUpload!";
+		return;
+	}
+	QByteArray data = m_reply->readAll();
+	m_reply.reset();
+	QJsonParseError jsonError;
+	QJsonDocument doc = QJsonDocument::fromJson(data, &jsonError);
+	if (jsonError.error != QJsonParseError::NoError)
+	{
+		qDebug() << "imgur server did not reply with JSON" << jsonError.errorString();
+		finished = true;
 		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);
+		emit failed(m_index_within_job);
 		return;
 	}
-	else
+	auto object = doc.object();
+	if (!object.value("success").toBool())
 	{
-		qDebug() << m_reply->readAll();
+		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;
 };
-- 
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