Create a Facebook album for Subsurface

We still need to do a lot of stuff on that part.
Currently when asking for sending a profile, it will just
create a private album.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

qt-ui/divelistview.cpp

@@ -824,6 +824,10 @@ void DiveListView::contextMenuEvent(QContextMenuEvent *event)
 		popup.addAction(tr("Shift times"), this, SLOT(shiftTimes()));
 		popup.addAction(tr("Load images"), this, SLOT(loadImages()));
 	}
+	if (prefs.facebook.user_id) {
+		popup.addAction(tr("Publish on Facebook"), this, SLOT(publishFacebook()));
+	}
+
 	// "collapse all" really closes all trips,
 	// "collapse" keeps the trip with the selected dive open
 	QAction *actionTaken = popup.exec(event->globalPos());
@@ -836,6 +840,12 @@ void DiveListView::contextMenuEvent(QContextMenuEvent *event)
 	event->accept();
 }
 
+void DiveListView::publishFacebook()
+{
+	FacebookManager manager;
+	manager.checkAlbumExists();
+}
+
 void DiveListView::shiftTimes()
 {
 	ShiftTimesDialog::instance()->show();

qt-ui/divelistview.h

@@ -51,6 +51,7 @@ slots:
 	void renumberDives();
 	void shiftTimes();
 	void loadImages();
+	void publishFacebook();
 	static QString lastUsedImageDir();
 
 signals:

qt-ui/preferences.cpp

@@ -18,7 +18,7 @@ static QString facebookConnectUrl =
 		"client_id=427722490709000"
 		"&redirect_uri=http://www.facebook.com/connect/login_success.html"
 		"&response_type=token"
-		"&scope=publish_actions";
+		"&scope=publish_actions,user_photos";
 
 PreferencesDialog *PreferencesDialog::instance()
 {

qt-ui/simplewidgets.cpp

@@ -11,6 +11,14 @@
 #include <QSortFilterProxyModel>
 #include <QToolButton>
 #include <QToolBar>
+#include <QUrlQuery>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonArray>
+#include <QJsonValue>
+#include <QNetworkReply>
+#include <QNetworkRequest>
+#include <QNetworkAccessManager>
 #include "exif.h"
 #include "dive.h"
 #include "file.h"
@@ -653,3 +661,49 @@ void MultiFilter::closeFilter()
 	MultiFilterSortModel::instance()->clearFilter();
 	hide();
 }
+
+FacebookManager::FacebookManager()
+{
+}
+
+bool FacebookManager::checkAlbumExists()
+{
+	QUrl albumListUrl("https://graph.facebook.com/me/albums?access_token=" + QString(prefs.facebook.access_token));
+	QNetworkAccessManager *manager = new QNetworkAccessManager();
+	QNetworkReply *reply = manager->get(QNetworkRequest(albumListUrl));
+
+	// Make this method synchronous.
+	QEventLoop loop;
+	connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
+	loop.exec();
+
+	QJsonDocument albumsDoc = QJsonDocument::fromJson(reply->readAll());
+	QJsonArray albumObj = albumsDoc.object().value("data").toArray();
+	foreach(const QJsonValue &v, albumObj){
+		QJsonObject obj = v.toObject();
+		if (obj.value("name").toString() == QString(prefs.facebook.album_name)) {
+			qDebug() << "Album already exists. Try to get the ID in the next commit.";
+			return false;
+		}
+	}
+
+	qDebug() << "Album doesn't exists, let's create it.";
+	QUrlQuery params;
+	params.addQueryItem("name", prefs.facebook.album_name );
+	params.addQueryItem("description", "Subsurface Album");
+	params.addQueryItem("privacy", "{'value': 'SELF'}");
+
+	QNetworkRequest request(albumListUrl);
+	request.setHeader(QNetworkRequest::ContentTypeHeader, "application/octet-stream");
+	reply = manager->post(request, params.query().toLocal8Bit());
+	connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
+	loop.exec();
+
+	qDebug() << reply->readAll();
+
+}
+
+void FacebookManager::createAlbum()
+{
+
+}

qt-ui/simplewidgets.h

@@ -3,6 +3,7 @@
 
 class MinMaxAvgWidgetPrivate;
 class QAbstractButton;
+class QNetworkReply;
 
 #include <QWidget>
 #include <QDialog>
@@ -18,6 +19,7 @@ class QAbstractButton;
 #include "exif.h"
 #include <dive.h>
 
+
 class MinMaxAvgWidget : public QWidget {
 	Q_OBJECT
 	Q_PROPERTY(double minimum READ minimum WRITE setMinimum)
@@ -212,6 +214,15 @@ private:
 	Ui::FilterWidget ui;
 };
 
+class FacebookManager : public QObject {
+	Q_OBJECT
+public:
+	FacebookManager();
+	bool checkAlbumExists();
+	void createAlbum();
+signals:
+	void requestFinished(const QString& result);
+};
 bool isGnome3Session();
 QImage grayImage(const QImage &coloredImg);