486 lines
13 KiB
C++
486 lines
13 KiB
C++
/*
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* Copyright 2015 Luca Beltrame <lbeltrame@kde.org>
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*
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* This file is part of Danbooru Client.
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*
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* Danbooru Client is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Danbooru Client is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Danbooru Client. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "konachan.h"
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#include "danboorupost.h"
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#include "danboorupool.h"
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#include "danboorutag.h"
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#include "utils.h"
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#include "libdanbooru_debug.h"
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// KF5
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#include <KIO/Job>
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#include <KIO/Scheduler>
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#include <KImageCache>
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using KIO::StoredTransferJob;
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namespace Danbooru {
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///////
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// URIs
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///////
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const QLatin1String KonachanDanbooruService::postUri() const {
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return QLatin1String("post/index.json");
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}
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const QLatin1String KonachanDanbooruService::poolUri() const {
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return QLatin1String("pool/index.json");
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}
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const QLatin1String KonachanDanbooruService::artistUri() const {
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return QLatin1String("artist/index.json");
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}
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const QLatin1String KonachanDanbooruService::tagUri() const {
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return QLatin1String("tag/index.xml");
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}
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const QLatin1String KonachanDanbooruService::poolDataUri() const {
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return QLatin1String("pool/show.xml");
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}
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const QLatin1String KonachanDanbooruService::relatedTagUri() const {
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return QLatin1String("tag/related.json");
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}
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////////////////
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// Other methods
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////////////////
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DanbooruServiceBase::SupportedOperations KonachanDanbooruService::supportedOperations() const {
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return SupportedOperations(DanbooruServiceBase::PostDownload | DanbooruServiceBase::PoolDownload |
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DanbooruServiceBase::TagDownload | DanbooruServiceBase::TagSearch |
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DanbooruServiceBase::RelatedTagSearch);
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}
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Danbooru::ApiType KonachanDanbooruService::apiType() const {
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return Danbooru::ApiType::KonachanDanbooru;
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}
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KonachanDanbooruService::~KonachanDanbooruService() {
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}
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//////////////
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// API methods
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//////////////
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void KonachanDanbooruService::getPostList() {
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// We can't fetch more than 100 items, API limitation
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QMap<QString, QString> parameters;
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parameters.insert("limit", QString::number(m_maxPosts));
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parameters.insert("page", QString::number(m_currentPage));
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QUrl danbooruUrl = requestUrl(m_url, postUri(), m_username,
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m_password, parameters, m_tags);
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qCDebug(LIBDANBOORU) << "Final constructed post URL" << danbooruUrl;
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KIO::StoredTransferJob *job = KIO::storedGet(danbooruUrl, KIO::NoReload,
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KIO::HideProgressInfo);
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// This job can use JSON data
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job->setProperty("needsXML", false);
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connect(job, &KIO::StoredTransferJob::result, this, &KonachanDanbooruService::processPostList);
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}
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void KonachanDanbooruService::getPoolList(int limit)
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{
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QUrl danbooruUrl;
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if (m_currentPage == 1) {
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danbooruUrl = requestUrl(m_url, poolUri(), m_username, m_password);
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} else {
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QMap<QString, QString> map;
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map.insert("page", QString::number(m_currentPage));
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danbooruUrl = requestUrl(m_url, poolUri(), m_username,
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m_password, map);
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}
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// qCDebug(LIBDANBOORU) << "Final constructed pool list URL" << danbooruUrl.url();
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KIO::StoredTransferJob *job = KIO::storedGet(danbooruUrl, KIO::NoReload,
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KIO::HideProgressInfo);
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// This job can use JSON data
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job->setProperty("needsXML", false);
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// connect(job, &KIO::StoredTransferJob::result, this, &DanbooruService::processPoolList);
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connect(job, &KIO::StoredTransferJob::result, [this, limit](KJob * job) {
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if (job->error()) {
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Q_EMIT(downloadError(job->errorString()));
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return;
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}
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StoredTransferJob *jobResult = qobject_cast<StoredTransferJob *>(job);
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QByteArray data = jobResult->data();
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bool ok;
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QList<QVariant> poolList = parseDanbooruResult(data, &ok).toList();
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if (!ok) {
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Q_EMIT(downloadError(QString("Unable to decode data")));
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return;
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}
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if (limit > 0 && poolList.length() > limit) {
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poolList = poolList.mid(0, limit);
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}
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for (auto element : poolList) {
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QVariantMap map = element.toMap();
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DanbooruPool *pool = new DanbooruPool(map);
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Q_EMIT(poolDownloaded(pool));
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}
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//qCDebug(LIBDANBOORU) << "Pool download finished!";
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Q_EMIT(poolDownloadFinished());
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}
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);
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}
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void KonachanDanbooruService::getPool(int poolId, int page)
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{
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QMap<QString, QString> parameters;
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parameters.insert("id", QString::number(poolId));
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if (page > 1) {
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parameters.insert("page", QString::number(page));
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}
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QUrl danbooruUrl = requestUrl(m_url, poolDataUri(), m_username,
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m_password, parameters);
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// qCDebug(LIBDANBOORU) << "Final constructed pool URL" << danbooruUrl.url();
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KIO::StoredTransferJob *job = KIO::storedGet(danbooruUrl, KIO::NoReload,
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KIO::HideProgressInfo);
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//HACK: Most Danbooru implementations don't provide valid data on
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// pools via JSON, hence we set XML and parse the XML data.
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job->setProperty("needsXML", true);
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connect(job, &KIO::StoredTransferJob::result, this, &KonachanDanbooruService::processPostList);
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}
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void KonachanDanbooruService::getTagList(int limit, QString name)
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{
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QMap<QString, QString> parameters;
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parameters.insert("limit", QString::number(limit));
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if (!name.isEmpty()) {
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parameters.insert("name", name);
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}
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parameters.insert("order", "date");
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QUrl danbooruUrl = requestUrl(m_url, tagUri(), m_username, m_password,
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parameters);
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// qCDebug(LIBDANBOORU) << "Final constructed tag URL" << danbooruUrl.url();
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KIO::StoredTransferJob *job = KIO::storedGet(danbooruUrl, KIO::NoReload,
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KIO::HideProgressInfo);
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connect(job, &KIO::StoredTransferJob::result, this, &KonachanDanbooruService::processTagList);
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}
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void KonachanDanbooruService::getRelatedTags(const QStringList &tags,
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DanbooruTag::TagType tagType)
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{
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QString type;
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switch (tagType) {
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case DanbooruTag::General:
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type = "general";
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break;
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case DanbooruTag::Artist:
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type = "artist";
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break;
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case DanbooruTag::Copyright:
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type = "copyright";
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break;
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case DanbooruTag::Character:
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type = "character";
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break;
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case DanbooruTag::Unknown:
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type = "unknown";
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break;
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}
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QMap<QString, QString> parameters;
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parameters.insert("type", type);
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QUrl danbooruUrl = requestUrl(m_url, relatedTagUri(), m_username,
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m_password, parameters, tags);
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// qCDebug(LIBDANBOORU) << "Final constructed related tag URL" << danbooruUrl;
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StoredTransferJob *job = KIO::storedGet(
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danbooruUrl, KIO::NoReload,
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KIO::HideProgressInfo
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);
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connect(job, &StoredTransferJob::result, [this](KJob * job) {
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if (job->error()) {
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Q_EMIT(downloadError(job->errorString()));
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return;
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}
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StoredTransferJob *jobResult = qobject_cast<StoredTransferJob *>(job);
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QByteArray data = jobResult->data();
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bool ok;
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QVariantMap tagList = parseDanbooruResult(data, &ok).toMap();
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if (!ok) {
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Q_EMIT(downloadError(QString("Unable to decode data")));
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return;
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}
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QVariantMap::const_iterator iter;
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// The service returns a list of key-related tag list pair,
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// we iterate through them and remove the empty (not found) ones, then
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// we call getTagList. Unfortunately Danbooru doesn't have a method to
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// fetch all tags in batch, so this is done one by one.
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for (iter = tagList.constBegin(); iter != tagList.constEnd(); ++iter) {
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QList<QVariant> tags = iter.value().toList();
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if (tags.isEmpty()) {
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continue;
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}
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for (auto tag : tags) {
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// We get the first element in the list, the second is
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// the ID which is useless (no API methods in Danbooru)
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QString tagName = tag.toList().at(0).toString();
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getTagList(1, tagName);
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}
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}
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}
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);
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}
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////////
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// Slots
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////////
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void KonachanDanbooruService::processTagList(KJob *job)
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{
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if (job->error()) {
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Q_EMIT(downloadError(job->errorString()));
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return;
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}
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StoredTransferJob *jobResult = qobject_cast<StoredTransferJob *>(job);
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QByteArray data = jobResult->data();
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bool ok;
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// Most Danbooru implementations return tags in wrong order when
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// using JSON, so we have to fall back to XML
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QList<QVariant> tagList = parseDanbooruResult(data, "tag", &ok);
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if (!ok) {
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Q_EMIT(downloadError(QString("Unable to decode data")));
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return;
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}
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for (auto element : tagList) {
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QVariantMap map = element.toMap();
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DanbooruTag *tag = new DanbooruTag(map);
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if (!tag) {
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continue;
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}
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Q_EMIT(tagDownloaded(tag));
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}
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}
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void KonachanDanbooruService::processPostList(KJob *job)
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{
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qCDebug(LIBDANBOORU) << "Got post data OK";
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if (job->error()) {
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Q_EMIT(downloadError(job->errorString()));
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}
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StoredTransferJob *jobResult = qobject_cast<StoredTransferJob *>(job);
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if (jobResult == 0) {
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Q_EMIT(downloadError(QString("Internal error")));
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return;
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}
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QByteArray data = jobResult->data();
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bool ok;
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bool needsXML = job->property("needsXML").toBool();
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QList<QVariant> postList;
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if (needsXML) {
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// Special cases for pools
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postList = parseDanbooruResult(data, QString("post"), &ok);
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} else {
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postList = parseDanbooruResult(data, &ok).toList();
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}
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if (!ok) {
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Q_EMIT(downloadError(QString("Unable to decode data")));
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return;
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}
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// How many posts do we have to fetch?
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if (postList.isEmpty()) {
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qCDebug(LIBDANBOORU) << "No posts found";
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Q_EMIT(postDownloadFinished());
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return;
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}
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m_postsToFetch = postList.length();
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qCDebug(LIBDANBOORU) << "Found " << m_postsToFetch << "posts to fetch" << "with limit" << m_maxPosts;
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// This is mostly needed for pools
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if (postList.length() > m_maxPosts) {
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m_postsToFetch = m_maxPosts;
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postList = postList.mid(0, m_maxPosts);
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}
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for (auto element : postList) {
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QVariantMap map = element.toMap();
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DanbooruPost *post = new DanbooruPost(map);
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// Remove unwanted posts
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if (isPostBlacklisted(post, m_blacklist, m_maxRating)) {
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m_postsToFetch--;
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delete post;
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continue;
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}
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QPixmap pix;
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qCDebug(LIBDANBOORU) << "About to donwload images";
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if (m_cache && m_cache->findPixmap(post->thumbnailUrl().url(), &pix)) {
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post->setPixmap(pix);
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Q_EMIT(postDownloaded(post));
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m_postsToFetch--;
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if (m_postsToFetch == 0) {
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qCDebug(LIBDANBOORU) << "Post download finished";
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Q_EMIT(postDownloadFinished());
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}
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} else {
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// qCDebug(LIBDANBOORU) << "Downloading image" << post->thumbnailUrl();
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StoredTransferJob *pixmapJob = KIO::storedGet(post->thumbnailUrl(),
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KIO::NoReload, KIO::HideProgressInfo);
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// We don't want to overload the servers, so set some rational
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// priority
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KIO::Scheduler::setJobPriority(static_cast<KIO::SimpleJob *>(job), 1);
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QVariant variant;
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variant.setValue(post);
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connect(pixmapJob, &StoredTransferJob::result, [post, this, pix](KJob * job) mutable {
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if (job->error())
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{
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Q_EMIT(downloadError(job->errorString()));
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return;
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}
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StoredTransferJob *jobResult = qobject_cast<StoredTransferJob *>(job);
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if (!pix.loadFromData(jobResult->data()))
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{
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Q_EMIT(downloadError(QString("Pixmap data could not be loaded")));
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return;
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}
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post->setPixmap(pix);
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if (m_cache)
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{
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//qCDebug(LIBDANBOORU) << "Inserting item in cache";
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m_cache->insertPixmap(post->thumbnailUrl().url(), pix);
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}
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m_postsToFetch--; // One less post to do
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qCDebug(LIBDANBOORU) << "Current posts remaining: " << m_postsToFetch;
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Q_EMIT(postDownloaded(post));
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if (m_postsToFetch == 0)
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{
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qCDebug(LIBDANBOORU) << "Post download finished";
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Q_EMIT(postDownloadFinished());
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}
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});
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}
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}
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}
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void KonachanDanbooruService::downloadAllTags(KJob* job) {
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Q_UNUSED(job);
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}
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} //namespace Danbooru
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