Start of mod downloading
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timoreo
256
launcher/ui/pages/modplatform/modrinth/ModrinthModel.cpp
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256
launcher/ui/pages/modplatform/modrinth/ModrinthModel.cpp
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#include "ModrinthModel.h"
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#include "Application.h"
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#include <Json.h>
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#include <MMCStrings.h>
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#include <Version.h>
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#include <QtMath>
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#include <QLabel>
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#include <RWStorage.h>
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namespace Modrinth {
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ListModel::ListModel(QObject *parent) : QAbstractListModel(parent)
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{
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}
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ListModel::~ListModel()
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{
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}
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int ListModel::rowCount(const QModelIndex &parent) const
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{
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return modpacks.size();
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}
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int ListModel::columnCount(const QModelIndex &parent) const
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{
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return 1;
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}
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QVariant ListModel::data(const QModelIndex &index, int role) const
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{
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int pos = index.row();
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if(pos >= modpacks.size() || pos < 0 || !index.isValid())
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{
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return QString("INVALID INDEX %1").arg(pos);
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}
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IndexedPack pack = modpacks.at(pos);
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if(role == Qt::DisplayRole)
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{
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return pack.name;
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}
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else if (role == Qt::ToolTipRole)
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{
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if(pack.description.length() > 100)
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{
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//some magic to prevent to long tooltips and replace html linebreaks
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QString edit = pack.description.left(97);
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edit = edit.left(edit.lastIndexOf("<br>")).left(edit.lastIndexOf(" ")).append("...");
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return edit;
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}
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return pack.description;
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}
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else if(role == Qt::DecorationRole)
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{
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if(m_logoMap.contains(pack.logoName))
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{
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return (m_logoMap.value(pack.logoName));
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}
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QIcon icon = APPLICATION->getThemedIcon("screenshot-placeholder");
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((ListModel *)this)->requestLogo(pack.logoName, pack.logoUrl);
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return icon;
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}
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else if(role == Qt::UserRole)
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{
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QVariant v;
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v.setValue(pack);
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return v;
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}
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return QVariant();
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}
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void ListModel::logoLoaded(QString logo, QIcon out)
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{
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m_loadingLogos.removeAll(logo);
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m_logoMap.insert(logo, out);
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for(int i = 0; i < modpacks.size(); i++) {
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if(modpacks[i].logoName == logo) {
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emit dataChanged(createIndex(i, 0), createIndex(i, 0), {Qt::DecorationRole});
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}
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}
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}
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void ListModel::logoFailed(QString logo)
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{
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m_failedLogos.append(logo);
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m_loadingLogos.removeAll(logo);
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}
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void ListModel::requestLogo(QString logo, QString url)
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{
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if(m_loadingLogos.contains(logo) || m_failedLogos.contains(logo))
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{
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return;
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}
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MetaEntryPtr entry = APPLICATION->metacache()->resolveEntry("ModrinthPacks", QString("logos/%1").arg(logo.section(".", 0, 0)));
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NetJob *job = new NetJob(QString("Modrinth Icon Download %1").arg(logo), APPLICATION->network());
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job->addNetAction(Net::Download::makeCached(QUrl(url), entry));
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auto fullPath = entry->getFullPath();
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QObject::connect(job, &NetJob::succeeded, this, [this, logo, fullPath]
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{
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emit logoLoaded(logo, QIcon(fullPath));
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if(waitingCallbacks.contains(logo))
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{
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waitingCallbacks.value(logo)(fullPath);
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}
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});
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QObject::connect(job, &NetJob::failed, this, [this, logo]
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{
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emit logoFailed(logo);
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});
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job->start();
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m_loadingLogos.append(logo);
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}
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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))
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{
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callback(APPLICATION->metacache()->resolveEntry("ModrinthPacks", QString("logos/%1").arg(logo.section(".", 0, 0)))->getFullPath());
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}
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else
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{
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requestLogo(logo, logoUrl);
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}
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}
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Qt::ItemFlags ListModel::flags(const QModelIndex &index) const
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{
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return QAbstractListModel::flags(index);
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}
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bool ListModel::canFetchMore(const QModelIndex& parent) const
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{
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return searchState == CanPossiblyFetchMore;
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}
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void ListModel::fetchMore(const QModelIndex& parent)
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{
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if (parent.isValid())
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return;
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if(nextSearchOffset == 0) {
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qWarning() << "fetchMore with 0 offset is wrong...";
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return;
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}
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performPaginatedSearch();
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}
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const char* sorts[4]{"relevance","downloads","updated","newest"};
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void ListModel::performPaginatedSearch()
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{
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NetJob *netJob = new NetJob("Modrinth::Search", APPLICATION->network());
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auto searchUrl = QString(
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"https://api.modrinth.com/api/v1/mod?"
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"offset=%1&"
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"limit=25&"
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"query=%2&"
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"index=%3"
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).arg(nextSearchOffset).arg(currentSearchTerm).arg(sorts[currentSort]);
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netJob->addNetAction(Net::Download::makeByteArray(QUrl(searchUrl), &response));
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jobPtr = netJob;
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jobPtr->start();
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QObject::connect(netJob, &NetJob::succeeded, this, &ListModel::searchRequestFinished);
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QObject::connect(netJob, &NetJob::failed, this, &ListModel::searchRequestFailed);
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}
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void ListModel::searchWithTerm(const QString& term, int sort)
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{
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if(currentSearchTerm == term && currentSearchTerm.isNull() == term.isNull() && currentSort == sort) {
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return;
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}
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currentSearchTerm = term;
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currentSort = sort;
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if(jobPtr) {
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jobPtr->abort();
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searchState = ResetRequested;
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return;
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}
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else {
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beginResetModel();
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modpacks.clear();
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endResetModel();
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searchState = None;
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}
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nextSearchOffset = 0;
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performPaginatedSearch();
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}
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void Modrinth::ListModel::searchRequestFinished()
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{
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jobPtr.reset();
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QJsonParseError parse_error;
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QJsonDocument doc = QJsonDocument::fromJson(response, &parse_error);
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if(parse_error.error != QJsonParseError::NoError) {
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qWarning() << "Error while parsing JSON response from Modrinth at " << parse_error.offset << " reason: " << parse_error.errorString();
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qWarning() << response;
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return;
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}
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QList<Modrinth::IndexedPack> newList;
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auto packs = doc.object().value("hits").toArray();
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for(auto packRaw : packs) {
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auto packObj = packRaw.toObject();
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Modrinth::IndexedPack pack;
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try
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{
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Modrinth::loadIndexedPack(pack, packObj);
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newList.append(pack);
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}
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catch(const JSONValidationError &e)
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{
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qWarning() << "Error while loading mod from Modrinth: " << e.cause();
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continue;
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}
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}
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if(packs.size() < 25) {
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searchState = Finished;
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} else {
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nextSearchOffset += 25;
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searchState = CanPossiblyFetchMore;
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}
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beginInsertRows(QModelIndex(), modpacks.size(), modpacks.size() + newList.size() - 1);
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modpacks.append(newList);
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endInsertRows();
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}
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void Modrinth::ListModel::searchRequestFailed(QString reason)
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{
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jobPtr.reset();
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if(searchState == ResetRequested) {
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beginResetModel();
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modpacks.clear();
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endResetModel();
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nextSearchOffset = 0;
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performPaginatedSearch();
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} else {
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searchState = Finished;
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}
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}
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}
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