Minor code improvements to Deezer cover provider
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45ae1ed265
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c379d7f846
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@ -39,7 +39,6 @@
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#include <QtDebug>
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#include "core/application.h"
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#include "core/closure.h"
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#include "core/network.h"
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#include "core/logging.h"
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#include "core/song.h"
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@ -56,35 +55,33 @@ bool DeezerCoverProvider::StartSearch(const QString &artist, const QString &albu
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typedef QPair<QString, QString> Param;
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typedef QList<Param> Params;
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typedef QPair<QByteArray, QByteArray> EncodedParam;
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QUrl url(kApiUrl);
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QString search;
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QString resource;
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QString query;
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if (album.isEmpty()) {
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url.setPath("/search/track");
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search = artist + " " + title;
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resource = "search/track";
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query = artist + " " + title;
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}
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else {
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url.setPath("/search/album");
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search = artist + " " + album;
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resource = "search/album";
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query = artist + " " + album;
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}
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const Params params = Params() << Param("output", "json")
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<< Param("q", search)
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<< Param("q", query)
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<< Param("limit", QString::number(kLimit));
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QUrlQuery url_query;
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for (const Param ¶m : params) {
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EncodedParam encoded_param(QUrl::toPercentEncoding(param.first), QUrl::toPercentEncoding(param.second));
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url_query.addQueryItem(encoded_param.first, encoded_param.second);
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url_query.addQueryItem(QUrl::toPercentEncoding(param.first), QUrl::toPercentEncoding(param.second));
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}
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QUrl url(kApiUrl + QString("/") + resource);
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url.setQuery(url_query);
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QNetworkRequest req(url);
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req.setAttribute(QNetworkRequest::FollowRedirectsAttribute, true);
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QNetworkReply *reply = network_->get(req);
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NewClosure(reply, SIGNAL(finished()), this, SLOT(HandleSearchReply(QNetworkReply*, int)), reply, id);
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connect(reply, &QNetworkReply::finished, [=] { this->HandleSearchReply(reply, id); });
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return true;
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@ -111,15 +108,15 @@ QByteArray DeezerCoverProvider::GetReplyData(QNetworkReply *reply) {
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QJsonParseError json_error;
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QJsonDocument json_doc = QJsonDocument::fromJson(data, &json_error);
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QString error;
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if (json_error.error == QJsonParseError::NoError && !json_doc.isNull() && !json_doc.isEmpty() && json_doc.isObject()) {
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if (json_error.error == QJsonParseError::NoError && !json_doc.isEmpty() && json_doc.isObject()) {
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QJsonObject json_obj = json_doc.object();
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if (json_obj.contains("error")) {
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QJsonValue json_value_error = json_obj["error"];
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if (json_value_error.isObject()) {
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QJsonObject json_error = json_value_error.toObject();
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int code = json_error["code"].toInt();
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QString message = json_error["message"].toString();
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QString type = json_error["type"].toString();
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QJsonValue value_error = json_obj["error"];
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if (value_error.isObject()) {
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QJsonObject obj_error = value_error.toObject();
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int code = obj_error["code"].toInt();
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QString message = obj_error["message"].toString();
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QString type = obj_error["type"].toString();
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error = QString("%1 (%2)").arg(message).arg(code);
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}
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}
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@ -151,7 +148,7 @@ QJsonObject DeezerCoverProvider::ExtractJsonObj(const QByteArray &data) {
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return QJsonObject();
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}
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if (json_doc.isNull() || json_doc.isEmpty()) {
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if (json_doc.isEmpty()) {
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Error("Received empty Json document.", json_doc);
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return QJsonObject();
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}
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@ -177,29 +174,29 @@ QJsonValue DeezerCoverProvider::ExtractData(const QByteArray &data) {
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if (json_obj.isEmpty()) return QJsonObject();
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if (json_obj.contains("error")) {
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QJsonValue json_value_error = json_obj["error"];
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if (!json_value_error.isObject()) {
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QJsonValue value_error = json_obj["error"];
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if (!value_error.isObject()) {
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Error("Error missing object", json_obj);
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return QJsonValue();
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}
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QJsonObject json_error = json_value_error.toObject();
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int code = json_error["code"].toInt();
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QString message = json_error["message"].toString();
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QString type = json_error["type"].toString();
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QJsonObject obj_error = value_error.toObject();
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const int code = obj_error["code"].toInt();
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QString message = obj_error["message"].toString();
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QString type = obj_error["type"].toString();
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Error(QString("%1 (%2)").arg(message).arg(code));
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return QJsonValue();
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}
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if (!json_obj.contains("data") && !json_obj.contains("DATA")) {
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Error("Json reply is missing data.", json_obj);
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Error("Json reply object is missing data.", json_obj);
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return QJsonValue();
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}
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QJsonValue json_data;
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if (json_obj.contains("data")) json_data = json_obj["data"];
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else json_data = json_obj["DATA"];
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QJsonValue value_data;
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if (json_obj.contains("data")) value_data = json_obj["data"];
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else value_data = json_obj["DATA"];
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return json_data;
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return value_data;
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}
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@ -215,83 +212,86 @@ void DeezerCoverProvider::HandleSearchReply(QNetworkReply *reply, const int id)
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return;
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}
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QJsonValue json_value = ExtractData(data);
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if (!json_value.isArray()) {
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QJsonValue value_data = ExtractData(data);
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if (!value_data.isArray()) {
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emit SearchFinished(id, results);
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return;
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}
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QJsonArray json_data = json_value.toArray();
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if (json_data.isEmpty()) {
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QJsonArray array_data = value_data.toArray();
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if (array_data.isEmpty()) {
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emit SearchFinished(id, results);
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return;
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}
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for (const QJsonValue &value : json_data) {
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for (const QJsonValue &json_value : array_data) {
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if (!value.isObject()) {
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Error("Invalid Json reply, data in array is not a object.", value);
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if (!json_value.isObject()) {
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Error("Invalid Json reply, data array value is not a object.", json_value);
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continue;
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}
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QJsonObject json_obj = value.toObject();
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QJsonObject json_album = json_obj;
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QJsonObject json_obj = json_value.toObject();
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QJsonObject obj_album;
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if (json_obj.contains("album") && json_obj["album"].isObject()) { // Song search, so extract the album.
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json_album = json_obj["album"].toObject();
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obj_album = json_obj["album"].toObject();
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}
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else {
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obj_album = json_obj;
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}
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if (!json_obj.contains("id") || !json_album.contains("id")) {
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Error("Invalid Json reply, object is missing ID.", json_obj);
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if (!json_obj.contains("id") || !obj_album.contains("id")) {
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Error("Invalid Json reply, data array value object is missing ID.", json_obj);
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continue;
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}
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if (!json_album.contains("type")) {
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Error("Invalid Json reply, album object is missing type.", json_album);
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if (!obj_album.contains("type")) {
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Error("Invalid Json reply, data array value album object is missing type.", obj_album);
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continue;
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}
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QString type = json_album["type"].toString();
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QString type = obj_album["type"].toString();
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if (type != "album") {
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Error("Invalid Json reply, incorrect type returned", json_album);
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Error("Invalid Json reply, data array value album object has incorrect type returned", obj_album);
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continue;
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}
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if (!json_obj.contains("artist")) {
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Error("Invalid Json reply, item missing artist.", json_obj);
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Error("Invalid Json reply, data array value object is missing artist.", json_obj);
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continue;
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}
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QJsonValue json_value_artist = json_obj["artist"];
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if (!json_value_artist.isObject()) {
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Error("Invalid Json reply, artist is not a object.", json_value_artist);
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QJsonValue value_artist = json_obj["artist"];
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if (!value_artist.isObject()) {
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Error("Invalid Json reply, data array value artist is not a object.", value_artist);
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continue;
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}
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QJsonObject json_artist = json_value_artist.toObject();
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QJsonObject obj_artist = value_artist.toObject();
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if (!json_artist.contains("name")) {
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Error("Invalid Json reply, artist data missing name.", json_artist);
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if (!obj_artist.contains("name")) {
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Error("Invalid Json reply, data array value artist object is missing name.", obj_artist);
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continue;
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}
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QString artist = json_artist["name"].toString();
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QString artist = obj_artist["name"].toString();
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if (!json_album.contains("title")) {
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Error("Invalid Json reply, data missing title.", json_album);
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if (!obj_album.contains("title")) {
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Error("Invalid Json reply, data array value album object is missing title.", obj_album);
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continue;
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}
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QString album = json_album["title"].toString();
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QString album = obj_album["title"].toString();
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QString cover;
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if (json_album.contains("cover_xl")) {
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cover = json_album["cover_xl"].toString();
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if (obj_album.contains("cover_xl")) {
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cover = obj_album["cover_xl"].toString();
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}
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else if (json_album.contains("cover_big")) {
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cover = json_album["cover_big"].toString();
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else if (obj_album.contains("cover_big")) {
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cover = obj_album["cover_big"].toString();
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}
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else if (json_album.contains("cover_medium")) {
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cover = json_album["cover_medium"].toString();
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else if (obj_album.contains("cover_medium")) {
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cover = obj_album["cover_medium"].toString();
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}
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else if (json_album.contains("cover_small")) {
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cover = json_album["cover_small"].toString();
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else if (obj_album.contains("cover_small")) {
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cover = obj_album["cover_small"].toString();
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}
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else {
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Error("Invalid Json reply, album missing cover.", json_album);
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Error("Invalid Json reply, data array value album object is missing cover.", obj_album);
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continue;
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}
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QUrl url(cover);
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@ -47,14 +47,15 @@ class DeezerCoverProvider : public CoverProvider {
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void HandleSearchReply(QNetworkReply *reply, const int id);
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private:
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static const char *kApiUrl;
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static const int kLimit;
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QByteArray GetReplyData(QNetworkReply *reply);
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QJsonObject ExtractJsonObj(const QByteArray &data);
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QJsonValue ExtractData(const QByteArray &data);
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void Error(const QString &error, const QVariant &debug = QVariant());
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private:
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static const char *kApiUrl;
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static const int kLimit;
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QNetworkAccessManager *network_;
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};
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