mirror of
https://github.com/HenkKalkwater/harbour-sailfin.git
synced 2024-06-26 19:33:50 +00:00
Chris Josten
040aeb1a40
- [UI]: Added specialized view for music albums - Prepared RemoteImageView for fading in image when loaded
362 lines
13 KiB
C++
362 lines
13 KiB
C++
/*
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Sailfin: a Jellyfin client written using Qt
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Copyright (C) 2020 Chris Josten
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "JellyfinQt/jellyfinitem.h"
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namespace Jellyfin {
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const QRegularExpression JsonSerializable::m_listExpression = QRegularExpression("^QList<\\s*([a-zA-Z0-9]*)\\s*\\*?\\s*>$");
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JsonSerializable::JsonSerializable(QObject *parent) : QObject(parent) {
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}
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void JsonSerializable::deserialize(const QJsonObject &jObj) {
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const QMetaObject *obj = this->metaObject();
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// Loop over each property,
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for (int i = 0; i < obj->propertyCount(); i++) {
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QMetaProperty prop = obj->property(i);
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// Skip properties which are not stored (usually derrived of other properties)
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if (!prop.isStored()) continue;
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if (!prop.isWritable()) continue;
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// Hardcoded exception for the property id, since its special inside QML
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if (QString(prop.name()) == "jellyfinId" && jObj.contains("Id")) {
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QJsonValue val = jObj["Id"];
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prop.write(this, jsonToVariant(prop, val, jObj));
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} else if (jObj.contains(toPascalCase(prop.name()))) {
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QJsonValue val = jObj[toPascalCase(prop.name())];
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prop.write(this, jsonToVariant(prop, val, jObj));
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} else if (QString(prop.name()).startsWith("__list__")) {
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// QML doesn't like it if we expose properties of type QList<SubclassOfQobject *>
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// we need to explicitly cast them to QList<QObject *> or QQmlListProperty, which sucks.
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// That's why we have a special case for properties starting with __list__. This contains
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// the actual QList<SubclassOfQobject *>, so that qml can access the object with its real name.
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QString realName = toPascalCase(prop.name() + 8);
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if (!jObj.contains(realName)) {
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continue;
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}
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QJsonValue val = jObj[realName];
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QMetaProperty realProp = obj->property(obj->indexOfProperty(prop.name() + 8));
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if (!realProp.write(this, jsonToVariant(prop, val, jObj))) {
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qDebug() << "Write to " << prop.name() << "failed";
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};
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}
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}
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}
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QVariant JsonSerializable::jsonToVariant(QMetaProperty prop, const QJsonValue &val, const QJsonObject &root) {
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switch(val.type()) {
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case QJsonValue::Null:
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case QJsonValue::Undefined:
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return QVariant();
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case QJsonValue::Bool:
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case QJsonValue::String:
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return val.toVariant();
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case QJsonValue::Double:
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if (prop.type() == QVariant::LongLong) {
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return static_cast<qint64>(val.toDouble(-1));
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} if (prop.type() == QVariant::Int) {
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return val.toInt();
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} else {
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return val.toDouble();
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}
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case QJsonValue::Array:
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{
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QJsonArray arr = val.toArray();
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QVariantList varArr;
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for (auto it = arr.constBegin(); it < arr.constEnd(); it++) {
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QVariant variant = jsonToVariant(prop, *it, root);
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varArr.append(variant);
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}
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return QVariant(varArr);
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}
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case QJsonValue::Object:
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QJsonObject innerObj = val.toObject();
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if (prop.userType() == QMetaType::QJsonObject) {
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QJsonArray tmp = {innerObj };
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JsonHelper::convertToCamelCase(QJsonValueRef(&tmp, 0));
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return QVariant(innerObj);
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} else {
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return deserializeQobject(innerObj, prop);
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}
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}
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return QVariant();
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}
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QVariant JsonSerializable::deserializeQobject(const QJsonObject &innerObj, const QMetaProperty &prop) {
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int typeNo = prop.userType();
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const QMetaObject *metaType = QMetaType::metaObjectForType(prop.userType());
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if (metaType == nullptr) {
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// Try to determine if the type is a qlist
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QRegularExpressionMatch match = m_listExpression.match(prop.typeName());
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if (match.hasMatch()) {
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// It is a qList! Now extract the inner type
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// There should be an easier way, shouldn't there?
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QString listType = match.captured(1).prepend("Jellyfin::").append("*");
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// UGLY CODE HERE WE COME
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typeNo = QMetaType::type(listType.toUtf8());
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if (typeNo == QMetaType::UnknownType) {
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qDebug() << "Unknown type: " << listType;
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return QVariant();
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}
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metaType = QMetaType::metaObjectForType(typeNo);
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} else {
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qDebug() << "No metaObject for " << prop.typeName() << ", " << prop.type() << ", " << prop.userType();
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return QVariant();
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}
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}
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QObject *deserializedInnerObj = metaType->newInstance();
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deserializedInnerObj->setParent(this);
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if (JsonSerializable *ser = dynamic_cast<JsonSerializable *>(deserializedInnerObj)) {
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qDebug() << "Deserializing user type " << deserializedInnerObj->metaObject()->className();
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ser->deserialize(innerObj);
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return QVariant(typeNo, &ser);
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} else {
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deserializedInnerObj->deleteLater();
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qDebug() << "Object is not a serializable one!";
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return QVariant();
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}
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}
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QJsonObject JsonSerializable::serialize(bool capitalize) const {
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QJsonObject result;
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const QMetaObject *obj = this->metaObject();
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for (int i = 0; i < obj->propertyCount(); i++) {
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QMetaProperty prop = obj->property(i);
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if (QString(prop.name()) == "jellyfinId") {
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result["Id"] = variantToJson(prop.read(this));
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} else {
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result[capitalize ? toPascalCase(prop.name()) : prop.name()] = variantToJson(prop.read(this));
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}
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}
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return result;
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}
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QJsonValue JsonSerializable::variantToJson(const QVariant var) const {
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switch(var.type()) {
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case QVariant::Invalid:
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return QJsonValue();
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case QVariant::UserType:
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if (var.canConvert<JsonSerializable *>()) {
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JsonSerializable * obj = var.value<JsonSerializable *>();
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return obj->serialize();
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} else {
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qWarning() << "Not serializable: " << var.typeName();
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return QJsonValue();
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}
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case QVariant::Bool:
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return var.toBool();
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case QVariant::List:
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{
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QVariantList list = var.toList();
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QJsonArray arr;
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for (auto it = list.begin(); it < list.end(); it++) {
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arr << variantToJson(*it);
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}
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return arr;
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}
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default:
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if (var.canConvert(QVariant::Double)) {
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return var.toDouble();
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} if (var.canConvert(QVariant::String)) {
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return var.toString();
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} else {
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return QJsonValue();
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}
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}
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}
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QString JsonSerializable::toPascalCase(QString str) {
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str[0] = str[0].toUpper();
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return str;
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}
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QString JsonSerializable::fromPascalCase(QString str) {
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str[0] = str[0].toLower();
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return str;
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}
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// RemoteData
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RemoteData::RemoteData(QObject *parent) : JsonSerializable (parent) {}
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void RemoteData::setStatus(Status newStatus) {
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m_status = newStatus;
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emit statusChanged(newStatus);
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if (newStatus == Ready) emit ready();
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}
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void RemoteData::setError(QNetworkReply::NetworkError error) {
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m_error = error;
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emit errorChanged(error);
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}
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void RemoteData::setErrorString(const QString &newErrorString) {
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m_errorString = newErrorString;
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emit errorStringChanged(newErrorString);
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}
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void RemoteData::setApiClient(ApiClient *newApiClient) {
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m_apiClient = newApiClient;
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emit apiClientChanged(newApiClient);
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reload();
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}
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void RemoteData::reload() {
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if (!canReload() || m_apiClient == nullptr) {
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setStatus(Uninitialised);
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return;
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} else {
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setStatus(Loading);
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}
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QNetworkReply *rep = m_apiClient->get(getDataUrl());
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connect(rep, &QNetworkReply::finished, this, [this, rep]() {
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rep->deleteLater();
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QJsonParseError error;
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QString data(rep->readAll());
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data = data.normalized(QString::NormalizationForm_D);
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QJsonDocument doc = QJsonDocument::fromJson(data.toUtf8(), &error);
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if (doc.isNull()) {
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this->setError(QNetworkReply::ProtocolFailure);
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this->setErrorString(error.errorString());
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return;
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}
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if (!doc.isObject()) {
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this->setError(QNetworkReply::ProtocolFailure);
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this->setErrorString(tr("Invalid response from the server: root element is not an object."));
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return;
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}
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this->deserialize(doc.object());
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this->setStatus(Ready);
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});
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connect(rep, static_cast<void (QNetworkReply::*)(QNetworkReply::NetworkError)>(&QNetworkReply::error),
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this, [this, rep](QNetworkReply::NetworkError error) {
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this->setError(error);
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this->setErrorString(rep->errorString());
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this->setStatus(Error);
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rep->deleteLater();
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});
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}
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NameGuidPair::NameGuidPair(QObject *parent) : JsonSerializable (parent) {}
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// User
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User::User(QObject *parent) : RemoteData (parent) {}
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QString User::getDataUrl() const {
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return QString("/Users/") + m_apiClient->userId();
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}
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bool User::canReload() const {
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return true;
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}
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// MediaStream
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MediaStream::MediaStream(QObject *parent) : JsonSerializable (parent) {}
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MediaStream::MediaStream(const MediaStream &other)
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: JsonSerializable (other.parent()),
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m_codec(other.m_codec),
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m_codecTag(other.m_codecTag),
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m_language(other.m_language),
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m_displayTitle(other.m_displayTitle),
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m_type(other.m_type),
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m_index(other.m_index){
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}
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bool MediaStream::operator==(const MediaStream &other) {
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// displayTitle is explicitly left out, since it's generated based on other properties
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// in the Jellyfin source code.
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return m_codec == other.m_codec && m_codecTag == other.m_codecTag
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&& m_language == other.m_language && m_type == other.m_type
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&& m_index == other.m_index;
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}
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// UserData
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UserData::UserData(QObject *parent) : JsonSerializable (parent) {}
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void UserData::updateOnServer() {
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//TODO: implement
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}
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void UserData::onUpdated(QSharedPointer<UserData> other) {
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// The reason I'm not using setLikes and similar is that they don't work with std::nullopt,
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// since QML does not like it.
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// THe other reason is that the setLikes method will send a post request to the server, to update the contents
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// we don't want that to happen, obviously, since the application could end in an infinite loop.
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if (this->m_playedPercentage != other->m_playedPercentage) {
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this->m_playedPercentage = other->m_playedPercentage;
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emit playedPercentageChanged(playedPercentage());
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}
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if (m_playbackPositionTicks!= other->m_playbackPositionTicks) {
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this->m_playbackPositionTicks = other->m_playbackPositionTicks;
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emit playbackPositionTicksChanged(this->m_playbackPositionTicks);
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}
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if (m_isFavorite != other->m_isFavorite) {
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this->m_isFavorite = other->m_isFavorite;
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emit isFavoriteChanged(this->m_isFavorite);
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}
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if (this->m_likes != other->m_likes) {
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this->m_likes = other->m_likes;
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emit likesChanged(likes());
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}
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if (this->m_played != other->m_played) {
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this->m_played = other->m_played;
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emit playedChanged(this->m_played);
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}
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}
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// Item
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Item::Item(QObject *parent) : RemoteData(parent) {
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connect(this, &RemoteData::apiClientChanged, this, [this](ApiClient *newApiClient) {
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connect(newApiClient, &ApiClient::userDataChanged, this, &Item::onUserDataChanged);
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});
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}
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QString Item::getDataUrl() const {
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return QString("/Users/") + m_apiClient->userId() + "/Items/" + m_id;
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}
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bool Item::canReload() const {
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return !m_id.isNull();
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}
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void Item::setJellyfinId(QString newId) {
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m_id = newId.trimmed();
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if (m_id != newId) {
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emit jellyfinIdChanged(m_id);
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reload();
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}
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}
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void Item::onUserDataChanged(const QString &itemId, QSharedPointer<UserData> userData) {
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if (itemId != m_id || m_userData == nullptr) return;
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m_userData->onUpdated(userData);
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}
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void registerSerializableJsonTypes(const char* URI) {
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qmlRegisterType<MediaStream>(URI, 1, 0, "MediaStream");
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qmlRegisterType<NameGuidPair>(URI, 1, 0, "NameGuidPair");
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qmlRegisterType<User>(URI, 1, 0, "User");
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qmlRegisterType<UserData>(URI, 1, 0, "UserData");
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qmlRegisterType<Item>(URI, 1, 0, "JellyfinItem");
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}
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}
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