pollymc/launcher/ui/pages/modplatform/flame/FlameModel.cpp

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#include "FlameModel.h"
#include <Json.h>
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#include "Application.h"
#include "ui/widgets/ProjectItem.h"
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#include <MMCStrings.h>
#include <Version.h>
#include <QtMath>
namespace Flame {
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ListModel::ListModel(QObject* parent) : QAbstractListModel(parent) {}
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ListModel::~ListModel() {}
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int ListModel::rowCount(const QModelIndex& parent) const
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{
return modpacks.size();
}
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int ListModel::columnCount(const QModelIndex& parent) const
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{
return 1;
}
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QVariant ListModel::data(const QModelIndex& index, int role) const
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{
int pos = index.row();
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if (pos >= modpacks.size() || pos < 0 || !index.isValid()) {
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return QString("INVALID INDEX %1").arg(pos);
}
IndexedPack pack = modpacks.at(pos);
switch (role) {
case Qt::ToolTipRole: {
if (pack.description.length() > 100) {
// some magic to prevent to long tooltips and replace html linebreaks
QString edit = pack.description.left(97);
edit = edit.left(edit.lastIndexOf("<br>")).left(edit.lastIndexOf(" ")).append("...");
return edit;
}
return pack.description;
} case Qt::DecorationRole: {
if (m_logoMap.contains(pack.logoName)) {
return (m_logoMap.value(pack.logoName));
}
QIcon icon = APPLICATION->getThemedIcon("screenshot-placeholder");
((ListModel*)this)->requestLogo(pack.logoName, pack.logoUrl);
return icon;
} case Qt::UserRole: {
QVariant v;
v.setValue(pack);
return v;
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}
case Qt::SizeHintRole:
return QSize(0, 58);
case UserDataTypes::TITLE:
return pack.name;
case UserDataTypes::DESCRIPTION:
return pack.description;
case UserDataTypes::SELECTED:
return false;
default:
break;
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}
return QVariant();
}
bool ListModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
int pos = index.row();
if (pos >= modpacks.size() || pos < 0 || !index.isValid())
return false;
modpacks[pos] = value.value<Flame::IndexedPack>();
return true;
}
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void ListModel::logoLoaded(QString logo, QIcon out)
{
m_loadingLogos.removeAll(logo);
m_logoMap.insert(logo, out);
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for (int i = 0; i < modpacks.size(); i++) {
if (modpacks[i].logoName == logo) {
emit dataChanged(createIndex(i, 0), createIndex(i, 0), { Qt::DecorationRole });
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}
}
}
void ListModel::logoFailed(QString logo)
{
m_failedLogos.append(logo);
m_loadingLogos.removeAll(logo);
}
void ListModel::requestLogo(QString logo, QString url)
{
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if (m_loadingLogos.contains(logo) || m_failedLogos.contains(logo)) {
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return;
}
MetaEntryPtr entry = APPLICATION->metacache()->resolveEntry("FlamePacks", QString("logos/%1").arg(logo.section(".", 0, 0)));
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auto job = new NetJob(QString("Flame Icon Download %1").arg(logo), APPLICATION->network());
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job->addNetAction(Net::Download::makeCached(QUrl(url), entry));
auto fullPath = entry->getFullPath();
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QObject::connect(job, &NetJob::succeeded, this, [this, logo, fullPath, job] {
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job->deleteLater();
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emit logoLoaded(logo, QIcon(fullPath));
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if (waitingCallbacks.contains(logo)) {
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waitingCallbacks.value(logo)(fullPath);
}
});
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QObject::connect(job, &NetJob::failed, this, [this, logo, job] {
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job->deleteLater();
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emit logoFailed(logo);
});
job->start();
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m_loadingLogos.append(logo);
}
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void ListModel::getLogo(const QString& logo, const QString& logoUrl, LogoCallback callback)
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{
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if (m_logoMap.contains(logo)) {
callback(APPLICATION->metacache()->resolveEntry("FlamePacks", QString("logos/%1").arg(logo.section(".", 0, 0)))->getFullPath());
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} else {
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requestLogo(logo, logoUrl);
}
}
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Qt::ItemFlags ListModel::flags(const QModelIndex& index) const
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{
return QAbstractListModel::flags(index);
}
bool ListModel::canFetchMore(const QModelIndex& parent) const
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{
return searchState == CanPossiblyFetchMore;
}
void ListModel::fetchMore(const QModelIndex& parent)
{
if (parent.isValid())
return;
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if (nextSearchOffset == 0) {
qWarning() << "fetchMore with 0 offset is wrong...";
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return;
}
performPaginatedSearch();
}
void ListModel::performPaginatedSearch()
{
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NetJob* netJob = new NetJob("Flame::Search", APPLICATION->network());
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auto searchUrl = QString(
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"https://api.curseforge.com/v1/mods/search?"
"gameId=432&"
"classId=4471&"
"index=%1&"
"pageSize=25&"
"searchFilter=%2&"
"sortField=%3&"
"sortOrder=desc")
.arg(nextSearchOffset)
.arg(currentSearchTerm)
.arg(currentSort + 1);
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netJob->addNetAction(Net::Download::makeByteArray(QUrl(searchUrl), &response));
jobPtr = netJob;
jobPtr->start();
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QObject::connect(netJob, &NetJob::succeeded, this, &ListModel::searchRequestFinished);
QObject::connect(netJob, &NetJob::failed, this, &ListModel::searchRequestFailed);
}
void ListModel::searchWithTerm(const QString& term, int sort)
{
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if (currentSearchTerm == term && currentSearchTerm.isNull() == term.isNull() && currentSort == sort) {
return;
}
currentSearchTerm = term;
currentSort = sort;
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if (jobPtr) {
jobPtr->abort();
searchState = ResetRequested;
return;
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} else {
beginResetModel();
modpacks.clear();
endResetModel();
searchState = None;
}
nextSearchOffset = 0;
performPaginatedSearch();
}
void Flame::ListModel::searchRequestFinished()
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{
jobPtr.reset();
QJsonParseError parse_error;
QJsonDocument doc = QJsonDocument::fromJson(response, &parse_error);
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if (parse_error.error != QJsonParseError::NoError) {
qWarning() << "Error while parsing JSON response from CurseForge at " << parse_error.offset
<< " reason: " << parse_error.errorString();
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qWarning() << response;
return;
}
QList<Flame::IndexedPack> newList;
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auto packs = Json::ensureArray(doc.object(), "data");
for (auto packRaw : packs) {
auto packObj = packRaw.toObject();
Flame::IndexedPack pack;
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try {
Flame::loadIndexedPack(pack, packObj);
newList.append(pack);
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} catch (const JSONValidationError& e) {
qWarning() << "Error while loading pack from CurseForge: " << e.cause();
continue;
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}
}
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if (packs.size() < 25) {
searchState = Finished;
} else {
nextSearchOffset += 25;
searchState = CanPossiblyFetchMore;
}
// When you have a Qt build with assertions turned on, proceeding here will abort the application
if (newList.size() == 0)
return;
beginInsertRows(QModelIndex(), modpacks.size(), modpacks.size() + newList.size() - 1);
modpacks.append(newList);
endInsertRows();
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}
void Flame::ListModel::searchRequestFailed(QString reason)
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{
jobPtr.reset();
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if (searchState == ResetRequested) {
beginResetModel();
modpacks.clear();
endResetModel();
nextSearchOffset = 0;
performPaginatedSearch();
} else {
searchState = Finished;
}
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}
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} // namespace Flame