Add radios

src/radios/radioservice.cpp

@@ -0,0 +1,106 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2021, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * Strawberry is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <QApplication>
+#include <QClipboard>
+#include <QByteArray>
+#include <QString>
+#include <QUrl>
+#include <QIcon>
+#include <QNetworkReply>
+#include <QJsonDocument>
+#include <QJsonValue>
+#include <QJsonObject>
+
+#include "core/application.h"
+#include "core/logging.h"
+#include "radioservice.h"
+
+RadioService::RadioService(const Song::Source source, const QString &name, const QIcon &icon, Application *app, NetworkAccessManager *network, QObject *parent)
+    : QObject(parent),
+      app_(app),
+      network_(network),
+      source_(source),
+      name_(name),
+      icon_(icon) {
+
+}
+
+QByteArray RadioService::ExtractData(QNetworkReply *reply) {
+
+  if (reply->error() != QNetworkReply::NoError) {
+    Error(QString("Failed to retrieve data from %1: %2 (%3)").arg(name_).arg(reply->errorString()).arg(reply->error()));
+    if (reply->error() < 200) {
+      return QByteArray();
+    }
+  }
+  else if (reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt() != 200) {
+    Error(QString("Received HTTP code %1").arg(reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt()));
+  }
+
+  return reply->readAll();
+
+}
+
+QJsonObject RadioService::ExtractJsonObj(const QByteArray &data) {
+
+  if (data.isEmpty()) {
+    return QJsonObject();
+  }
+
+  QJsonParseError json_error;
+  QJsonDocument json_doc = QJsonDocument::fromJson(data, &json_error);
+
+  if (json_error.error != QJsonParseError::NoError) {
+    Error(QString("Failed to parse Json data from %1: %2").arg(name_).arg(json_error.errorString()));
+    return QJsonObject();
+  }
+
+  if (json_doc.isEmpty()) {
+    Error(QString("%1: Received empty Json document.").arg(name_), data);
+    return QJsonObject();
+  }
+
+  if (!json_doc.isObject()) {
+    Error(QString("%1: Json document is not an object.").arg(name_), json_doc);
+    return QJsonObject();
+  }
+
+  QJsonObject json_obj = json_doc.object();
+  if (json_obj.isEmpty()) {
+    Error(QString("%1: Received empty Json object.").arg(name_), json_doc);
+    return QJsonObject();
+  }
+
+  return json_obj;
+
+}
+
+QJsonObject RadioService::ExtractJsonObj(QNetworkReply *reply) {
+
+  return ExtractJsonObj(ExtractData(reply));
+
+}
+
+void RadioService::Error(const QString &error, const QVariant &debug) {
+
+  qLog(Error) << name_ << error;
+  if (debug.isValid()) qLog(Debug) << debug;
+
+}