pollymc/launcher/ui/pages/modplatform/modrinth/ModrinthModel.cpp

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#include "ModrinthModel.h"
#include "Application.h"
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#include "minecraft/MinecraftInstance.h"
#include "minecraft/PackProfile.h"
#include "ModrinthPage.h"
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#include <Json.h>
#include <MMCStrings.h>
#include <Version.h>
#include <QtMath>
namespace Modrinth {
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ListModel::ListModel(ModrinthPage *parent) : QAbstractListModel(parent)
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{
}
ListModel::~ListModel()
{
}
int ListModel::rowCount(const QModelIndex &parent) const
{
return modpacks.size();
}
int ListModel::columnCount(const QModelIndex &parent) const
{
return 1;
}
QVariant 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);
}
IndexedPack pack = modpacks.at(pos);
if(role == Qt::DisplayRole)
{
return pack.name;
}
else if (role == 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;
}
else if(role == 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;
}
else if(role == Qt::UserRole)
{
QVariant v;
v.setValue(pack);
return v;
}
return QVariant();
}
void ListModel::logoLoaded(QString logo, QIcon out)
{
m_loadingLogos.removeAll(logo);
m_logoMap.insert(logo, 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 ListModel::logoFailed(QString logo)
{
m_failedLogos.append(logo);
m_loadingLogos.removeAll(logo);
}
void ListModel::requestLogo(QString logo, QString url)
{
if(m_loadingLogos.contains(logo) || m_failedLogos.contains(logo))
{
return;
}
MetaEntryPtr entry = APPLICATION->metacache()->resolveEntry("ModrinthPacks", QString("logos/%1").arg(logo.section(".", 0, 0)));
auto job = new NetJob(QString("Modrinth Icon Download %1").arg(logo), APPLICATION->network());
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job->addNetAction(Net::Download::makeCached(QUrl(url), entry));
auto fullPath = entry->getFullPath();
QObject::connect(job, &NetJob::succeeded, this, [this, logo, fullPath]
{
emit logoLoaded(logo, QIcon(fullPath));
if(waitingCallbacks.contains(logo))
{
waitingCallbacks.value(logo)(fullPath);
}
});
QObject::connect(job, &NetJob::failed, this, [this, logo]
{
emit logoFailed(logo);
});
job->start();
m_loadingLogos.append(logo);
}
void ListModel::getLogo(const QString &logo, const QString &logoUrl, LogoCallback callback)
{
if(m_logoMap.contains(logo))
{
callback(APPLICATION->metacache()->resolveEntry("ModrinthPacks", QString("logos/%1").arg(logo.section(".", 0, 0)))->getFullPath());
}
else
{
requestLogo(logo, logoUrl);
}
}
Qt::ItemFlags ListModel::flags(const QModelIndex &index) const
{
return QAbstractListModel::flags(index);
}
bool ListModel::canFetchMore(const QModelIndex& parent) const
{
return searchState == CanPossiblyFetchMore;
}
void ListModel::fetchMore(const QModelIndex& parent)
{
if (parent.isValid())
return;
if(nextSearchOffset == 0) {
qWarning() << "fetchMore with 0 offset is wrong...";
return;
}
performPaginatedSearch();
}
const char* sorts[4]{"relevance","downloads","updated","newest"};
void ListModel::performPaginatedSearch()
{
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QString mcVersion = ((MinecraftInstance *)((ModrinthPage *)parent())->m_instance)->getPackProfile()->getComponentVersion("net.minecraft");
bool hasFabric = !((MinecraftInstance *)((ModrinthPage *)parent())->m_instance)->getPackProfile()->getComponentVersion("net.fabricmc.fabric-loader").isEmpty();
auto netJob = new NetJob("Modrinth::Search", APPLICATION->network());
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auto searchUrl = QString(
"https://api.modrinth.com/api/v1/mod?"
"offset=%1&"
"limit=25&"
"query=%2&"
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"index=%3&"
"filters=categories=\"%4\" AND versions=\"%5\""
).arg(nextSearchOffset).arg(currentSearchTerm).arg(sorts[currentSort]).arg(hasFabric ? "fabric" : "forge").arg(mcVersion);
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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);
}
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void ListModel::searchWithTerm(const QString &term, const int sort)
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{
if(currentSearchTerm == term && currentSearchTerm.isNull() == term.isNull() && currentSort == sort) {
return;
}
currentSearchTerm = term;
currentSort = sort;
if(jobPtr) {
jobPtr->abort();
searchState = ResetRequested;
return;
}
else {
beginResetModel();
modpacks.clear();
endResetModel();
searchState = None;
}
nextSearchOffset = 0;
performPaginatedSearch();
}
void Modrinth::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 Modrinth at " << parse_error.offset << " reason: " << parse_error.errorString();
qWarning() << response;
return;
}
QList<Modrinth::IndexedPack> newList;
auto packs = doc.object().value("hits").toArray();
for(auto packRaw : packs) {
auto packObj = packRaw.toObject();
Modrinth::IndexedPack pack;
try
{
Modrinth::loadIndexedPack(pack, packObj);
newList.append(pack);
}
catch(const JSONValidationError &e)
{
qWarning() << "Error while loading mod from Modrinth: " << e.cause();
continue;
}
}
if(packs.size() < 25) {
searchState = Finished;
} else {
nextSearchOffset += 25;
searchState = CanPossiblyFetchMore;
}
beginInsertRows(QModelIndex(), modpacks.size(), modpacks.size() + newList.size() - 1);
modpacks.append(newList);
endInsertRows();
}
void Modrinth::ListModel::searchRequestFailed(QString reason)
{
jobPtr.reset();
if(searchState == ResetRequested) {
beginResetModel();
modpacks.clear();
endResetModel();
nextSearchOffset = 0;
performPaginatedSearch();
} else {
searchState = Finished;
}
}
}