diff options
Diffstat (limited to 'launcher/modplatform/modrinth/ModrinthCheckUpdate.cpp')
| -rw-r--r-- | launcher/modplatform/modrinth/ModrinthCheckUpdate.cpp | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/launcher/modplatform/modrinth/ModrinthCheckUpdate.cpp b/launcher/modplatform/modrinth/ModrinthCheckUpdate.cpp new file mode 100644 index 00000000..79d8edf7 --- /dev/null +++ b/launcher/modplatform/modrinth/ModrinthCheckUpdate.cpp @@ -0,0 +1,174 @@ +#include "ModrinthCheckUpdate.h" +#include "ModrinthAPI.h" +#include "ModrinthPackIndex.h" + +#include "FileSystem.h" +#include "Json.h" + +#include "ModDownloadTask.h" + +static ModrinthAPI api; +static ModPlatform::ProviderCapabilities ProviderCaps; + +bool ModrinthCheckUpdate::abort() +{ + if (m_net_job) + return m_net_job->abort(); + return true; +} + +/* Check for update: + * - Get latest version available + * - Compare hash of the latest version with the current hash + * - If equal, no updates, else, there's updates, so add to the list + * */ +void ModrinthCheckUpdate::executeTask() +{ + setStatus(tr("Preparing mods for Modrinth...")); + setProgress(0, 3); + + QHash<QString, Mod*> mappings; + + // Create all hashes + QStringList hashes; + auto best_hash_type = ProviderCaps.hashType(ModPlatform::Provider::MODRINTH).first(); + for (auto* mod : m_mods) { + if (!mod->enabled()) { + emit checkFailed(mod, tr("Disabled mods won't be updated, to prevent mod duplication issues!")); + continue; + } + + auto hash = mod->metadata()->hash; + + // Sadly the API can only handle one hash type per call, se we + // need to generate a new hash if the current one is innadequate + // (though it will rarely happen, if at all) + if (mod->metadata()->hash_format != best_hash_type) { + QByteArray jar_data; + + try { + jar_data = FS::read(mod->fileinfo().absoluteFilePath()); + } catch (FS::FileSystemException& e) { + qCritical() << QString("Failed to open / read JAR file of %1").arg(mod->name()); + qCritical() << QString("Reason: ") << e.cause(); + + failed(e.what()); + return; + } + + hash = QString(ProviderCaps.hash(ModPlatform::Provider::MODRINTH, jar_data, best_hash_type).toHex()); + } + + hashes.append(hash); + mappings.insert(hash, mod); + } + + auto* response = new QByteArray(); + auto job = api.latestVersions(hashes, best_hash_type, m_game_versions, m_loaders, response); + + QEventLoop lock; + + connect(job.get(), &Task::succeeded, this, [this, response, &mappings, best_hash_type, job] { + QJsonParseError parse_error{}; + QJsonDocument doc = QJsonDocument::fromJson(*response, &parse_error); + if (parse_error.error != QJsonParseError::NoError) { + qWarning() << "Error while parsing JSON response from ModrinthCheckUpdate at " << parse_error.offset + << " reason: " << parse_error.errorString(); + qWarning() << *response; + + failed(parse_error.errorString()); + return; + } + + setStatus(tr("Parsing the API response from Modrinth...")); + setProgress(2, 3); + + try { + for (auto hash : mappings.keys()) { + auto project_obj = doc[hash].toObject(); + + // If the returned project is empty, but we have Modrinth metadata, + // it means this specific version is not available + if (project_obj.isEmpty()) { + qDebug() << "Mod " << mappings.find(hash).value()->name() << " got an empty response."; + qDebug() << "Hash: " << hash; + + emit checkFailed( + mappings.find(hash).value(), + tr("No valid version found for this mod. It's probably unavailable for the current game version / mod loader.")); + + continue; + } + + // Sometimes a version may have multiple files, one with "forge" and one with "fabric", + // so we may want to filter it + QString loader_filter; + static auto flags = { ModAPI::ModLoaderType::Forge, ModAPI::ModLoaderType::Fabric, ModAPI::ModLoaderType::Quilt }; + for (auto flag : flags) { + if (m_loaders.testFlag(flag)) { + loader_filter = api.getModLoaderString(flag); + break; + } + } + + // Currently, we rely on a couple heuristics to determine whether an update is actually available or not: + // - The file needs to be preferred: It is either the primary file, or the one found via (explicit) usage of the loader_filter + // - The version reported by the JAR is different from the version reported by the indexed version (it's usually the case) + // Such is the pain of having arbitrary files for a given version .-. + + auto project_ver = Modrinth::loadIndexedPackVersion(project_obj, best_hash_type, loader_filter); + if (project_ver.downloadUrl.isEmpty()) { + qCritical() << "Modrinth mod without download url!"; + qCritical() << project_ver.fileName; + + emit checkFailed(mappings.find(hash).value(), tr("Mod has an empty download URL")); + + continue; + } + + auto mod_iter = mappings.find(hash); + if (mod_iter == mappings.end()) { + qCritical() << "Failed to remap mod from Modrinth!"; + continue; + } + auto mod = *mod_iter; + + auto key = project_ver.hash; + if ((key != hash && project_ver.is_preferred) || (mod->status() == ModStatus::NotInstalled)) { + if (mod->version() == project_ver.version_number) + continue; + + // Fake pack with the necessary info to pass to the download task :) + ModPlatform::IndexedPack pack; + pack.name = mod->name(); + pack.slug = mod->metadata()->slug; + pack.addonId = mod->metadata()->project_id; + pack.websiteUrl = mod->homeurl(); + for (auto& author : mod->authors()) + pack.authors.append({ author }); + pack.description = mod->description(); + pack.provider = ModPlatform::Provider::MODRINTH; + + auto download_task = new ModDownloadTask(pack, project_ver, m_mods_folder); + + m_updatable.emplace_back(pack.name, hash, mod->version(), project_ver.version_number, project_ver.changelog, + ModPlatform::Provider::MODRINTH, download_task); + } + } + } catch (Json::JsonException& e) { + failed(e.cause() + " : " + e.what()); + } + }); + + connect(job.get(), &Task::finished, &lock, &QEventLoop::quit); + + setStatus(tr("Waiting for the API response from Modrinth...")); + setProgress(1, 3); + + m_net_job = job.get(); + job->start(); + + lock.exec(); + + emitSucceeded(); +} |