116 lines
3.7 KiB
C++
116 lines
3.7 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2012, David Sansome <me@davidsansome.com>
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* Copyright 2014, John Maguire <john.maguire@gmail.com>
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* Copyright 2014, Krzysztof Sobiecki <sobkas@gmail.com>
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* Copyright 2019-2021, Jonas Kvinge <jonas@jkvinge.net>
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*
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* Strawberry 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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* Strawberry 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 Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <QObject>
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#include <QMessageBox>
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#include <ApiRequest.h>
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#include "core/application.h"
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#include "gpoddertoptagsmodel.h"
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#include "gpoddertoptagspage.h"
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#include "podcast.h"
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GPodderTopTagsModel::GPodderTopTagsModel(mygpo::ApiRequest *api, Application *app, QObject *parent)
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: PodcastDiscoveryModel(app, parent), api_(api) {}
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bool GPodderTopTagsModel::hasChildren(const QModelIndex &parent) const {
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if (parent.isValid() && parent.data(Role_Type).toInt() == Type_Folder) {
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return true;
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}
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return PodcastDiscoveryModel::hasChildren(parent);
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}
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bool GPodderTopTagsModel::canFetchMore(const QModelIndex &parent) const {
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if (parent.isValid() && parent.data(Role_Type).toInt() == Type_Folder &&
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!parent.data(Role_HasLazyLoaded).toBool()) {
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return true;
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}
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return PodcastDiscoveryModel::canFetchMore(parent);
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}
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void GPodderTopTagsModel::fetchMore(const QModelIndex &parent) {
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if (!parent.isValid() || parent.data(Role_Type).toInt() != Type_Folder ||
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parent.data(Role_HasLazyLoaded).toBool()) {
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return;
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}
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setData(parent, true, Role_HasLazyLoaded);
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// Create a little Loading... item.
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itemFromIndex(parent)->appendRow(CreateLoadingIndicator());
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mygpo::PodcastListPtr list(api_->podcastsOfTag(GPodderTopTagsPage::kMaxTagCount, parent.data().toString()));
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QObject::connect(list.get(), &mygpo::PodcastList::finished, this, [this, parent, list]() { PodcastsOfTagFinished(parent, list.data()); });
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QObject::connect(list.get(), &mygpo::PodcastList::parseError, this, [this, parent, list]() { PodcastsOfTagFailed(parent, list.data()); });
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QObject::connect(list.get(), &mygpo::PodcastList::requestError, this, [this, parent, list]() { PodcastsOfTagFailed(parent, list.data()); });
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}
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void GPodderTopTagsModel::PodcastsOfTagFinished(const QModelIndex &parent, mygpo::PodcastList *list) {
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QStandardItem *parent_item = itemFromIndex(parent);
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if (!parent_item) return;
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// Remove the Loading... item.
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while (parent_item->hasChildren()) {
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parent_item->removeRow(0);
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}
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for (mygpo::PodcastPtr gpo_podcast : list->list()) {
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Podcast podcast;
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podcast.InitFromGpo(gpo_podcast.data());
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parent_item->appendRow(CreatePodcastItem(podcast));
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}
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}
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void GPodderTopTagsModel::PodcastsOfTagFailed(const QModelIndex &parent, mygpo::PodcastList*) {
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QStandardItem *parent_item = itemFromIndex(parent);
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if (!parent_item) return;
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// Remove the Loading... item.
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while (parent_item->hasChildren()) {
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parent_item->removeRow(0);
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}
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if (QMessageBox::warning(nullptr, tr("Failed to fetch podcasts"), tr("There was a problem communicating with gpodder.net"), QMessageBox::Retry | QMessageBox::Close, QMessageBox::Retry) != QMessageBox::Retry) {
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return;
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}
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// Try fetching the list again.
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setData(parent, false, Role_HasLazyLoaded);
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fetchMore(parent);
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}
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