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/* Copyright 2020 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "TechnicModel.h"
#include "Env.h"
#include "MultiMC.h"
#include "Json.h"
#include <QIcon>
Technic::ListModel::ListModel(QObject *parent) : QAbstractListModel(parent)
{
}
Technic::ListModel::~ListModel()
{
}
QVariant Technic::ListModel::data(const QModelIndex& index, int role) const
{
int pos = index.row();
if(pos >= modpacks.size() || pos < 0 || !index.isValid())
{
return QString("INVALID INDEX %1").arg(pos);
}
Modpack pack = modpacks.at(pos);
if(role == Qt::DisplayRole)
{
return pack.name;
}
else if(role == Qt::DecorationRole)
{
if(m_logoMap.contains(pack.logoName))
{
return (m_logoMap.value(pack.logoName));
}
QIcon icon = MMC->getThemedIcon("screenshot-placeholder");
((ListModel *)this)->requestLogo(pack.logoName, pack.logoUrl);
return icon;
}
else if(role == Qt::UserRole)
{
QVariant v;
v.setValue(pack);
return v;
}
return QVariant();
}
int Technic::ListModel::columnCount(const QModelIndex&) const
{
return 1;
}
int Technic::ListModel::rowCount(const QModelIndex&) const
{
return modpacks.size();
}
void Technic::ListModel::searchWithTerm(const QString& term)
{
if(currentSearchTerm == term) {
return;
}
currentSearchTerm = term;
if(jobPtr) {
jobPtr->abort();
searchState = ResetRequested;
return;
}
else {
beginResetModel();
modpacks.clear();
endResetModel();
searchState = None;
}
performSearch();
}
void Technic::ListModel::performSearch()
{
NetJob *netJob = new NetJob("Technic::Search");
auto searchUrl = QString(
"https://api.technicpack.net/search?build=multimc&q=%1"
).arg(currentSearchTerm);
netJob->addNetAction(Net::Download::makeByteArray(QUrl(searchUrl), &response));
jobPtr = netJob;
jobPtr->start();
QObject::connect(netJob, &NetJob::succeeded, this, &ListModel::searchRequestFinished);
QObject::connect(netJob, &NetJob::failed, this, &ListModel::searchRequestFailed);
}
void Technic::ListModel::searchRequestFinished()
{
jobPtr.reset();
QJsonParseError parse_error;
QJsonDocument doc = QJsonDocument::fromJson(response, &parse_error);
if(parse_error.error != QJsonParseError::NoError)
{
qWarning() << "Error while parsing JSON response from Technic at " << parse_error.offset << " reason: " << parse_error.errorString();
qWarning() << response;
return;
}
QList<Modpack> newList;
try {
auto root = Json::requireObject(doc);
auto objs = Json::requireArray(root, "modpacks");
for (auto technicPack: objs) {
Modpack pack;
auto technicPackObject = Json::requireObject(technicPack);
pack.name = Json::requireString(technicPackObject, "name");
pack.slug = Json::requireString(technicPackObject, "slug");
if (pack.slug == "vanilla")
continue;
auto rawURL = Json::ensureString(technicPackObject, "iconUrl", "null");
if(rawURL == "null") {
pack.logoUrl = "null";
pack.logoName = "null";
}
else {
pack.logoUrl = rawURL;
pack.logoName = rawURL.section(QLatin1Char('/'), -1).section(QLatin1Char('.'), 0, 0);
}
pack.broken = false;
newList.append(pack);
}
}
catch (const JSONValidationError &err)
{
qCritical() << "Couldn't parse technic search results:" << err.cause() ;
return;
}
searchState = Finished;
beginInsertRows(QModelIndex(), modpacks.size(), modpacks.size() + newList.size() - 1);
modpacks.append(newList);
endInsertRows();
}
void Technic::ListModel::getLogo(const QString& logo, const QString& logoUrl, Technic::LogoCallback callback)
{
if(m_logoMap.contains(logo))
{
callback(ENV.metacache()->resolveEntry("TechnicPacks", QString("logos/%1").arg(logo))->getFullPath());
}
else
{
requestLogo(logo, logoUrl);
}
}
void Technic::ListModel::searchRequestFailed()
{
jobPtr.reset();
if(searchState == ResetRequested)
{
beginResetModel();
modpacks.clear();
endResetModel();
performSearch();
}
else
{
searchState = Finished;
}
}
void Technic::ListModel::logoLoaded(QString logo, QString out)
{
m_loadingLogos.removeAll(logo);
m_logoMap.insert(logo, QIcon(out));
for(int i = 0; i < modpacks.size(); i++)
{
if(modpacks[i].logoName == logo)
{
emit dataChanged(createIndex(i, 0), createIndex(i, 0), {Qt::DecorationRole});
}
}
}
void Technic::ListModel::logoFailed(QString logo)
{
m_failedLogos.append(logo);
m_loadingLogos.removeAll(logo);
}
void Technic::ListModel::requestLogo(QString logo, QString url)
{
if(m_loadingLogos.contains(logo) || m_failedLogos.contains(logo) || logo == "null")
{
return;
}
MetaEntryPtr entry = ENV.metacache()->resolveEntry("TechnicPacks", QString("logos/%1").arg(logo));
NetJob *job = new NetJob(QString("Technic Icon Download %1").arg(logo));
job->addNetAction(Net::Download::makeCached(QUrl(url), entry));
auto fullPath = entry->getFullPath();
QObject::connect(job, &NetJob::succeeded, this, [this, logo, fullPath]
{
logoLoaded(logo, fullPath);
});
QObject::connect(job, &NetJob::failed, this, [this, logo]
{
logoFailed(logo);
});
job->start();
m_loadingLogos.append(logo);
}
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