Files
cantata/models/streamsearchmodel.cpp
2018-05-24 18:07:39 +01:00

407 lines
13 KiB
C++

/*
* Cantata
*
* Copyright (c) 2011-2018 Craig Drummond <craig.p.drummond@gmail.com>
*
* ----
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "streamsearchmodel.h"
#include "widgets/icons.h"
#include "roles.h"
#include "playqueuemodel.h"
#include "network/networkaccessmanager.h"
#include "gui/stdactions.h"
#include "gui/settings.h"
#include "support/monoicon.h"
#include "support/utils.h"
#include <QString>
#include <QVariant>
#include <QXmlStreamReader>
#include <QMimeData>
#include <QLocale>
#include <QUrl>
#include <QUrlQuery>
StreamSearchModel::StreamSearchModel(QObject *parent)
: ActionModel(parent)
, root(new StreamsModel::CategoryItem(QString(), "root"))
{
// ORDER *MUST* MATCH Category ENUM!!!!!
root->children.append(new StreamsModel::CategoryItem("http://opml.radiotime.com/Search.ashx", tr("TuneIn"), root, MonoIcon::icon(":tunein.svg", Utils::monoIconColor())));
root->children.append(new StreamsModel::CategoryItem(QLatin1String("http://")+StreamsModel::constShoutCastHost+QLatin1String("/legacy/genrelist"), tr("ShoutCast"), root, MonoIcon::icon(":shoutcast.svg", Utils::monoIconColor())));
root->children.append(new StreamsModel::CategoryItem(QLatin1String("http://")+StreamsModel::constDirbleHost+QLatin1String("/v2/search/"), tr("Dirble"), root, MonoIcon::icon(":station.svg", Utils::monoIconColor())));
icon = MonoIcon::icon(FontAwesome::search, Utils::monoIconColor());
}
StreamSearchModel::~StreamSearchModel()
{
clear();
delete root;
}
QModelIndex StreamSearchModel::index(int row, int column, const QModelIndex &parent) const
{
if (!hasIndex(row, column, parent)) {
return QModelIndex();
}
const StreamsModel::CategoryItem * p = parent.isValid() ? static_cast<StreamsModel::CategoryItem *>(parent.internalPointer()) : root;
const StreamsModel::Item * c = row<p->children.count() ? p->children.at(row) : nullptr;
return c ? createIndex(row, column, (void *)c) : QModelIndex();
}
QModelIndex StreamSearchModel::parent(const QModelIndex &index) const
{
if (!index.isValid()) {
return QModelIndex();
}
StreamsModel::Item * parent = toItem(index)->parent;
if (!parent || parent == root || !parent->parent) {
return QModelIndex();
}
return createIndex(static_cast<const StreamsModel::CategoryItem *>(parent->parent)->children.indexOf(parent), 0, parent);
}
QVariant StreamSearchModel::headerData(int /*section*/, Qt::Orientation /*orientation*/, int /*role*/) const
{
return QVariant();
}
int StreamSearchModel::rowCount(const QModelIndex &parent) const
{
if (parent.isValid()) {
StreamsModel::Item *item = toItem(parent);
return item->isCategory() ? static_cast<StreamsModel::CategoryItem *>(item)->children.count() : 0;
}
return root->children.count();
}
int StreamSearchModel::columnCount(const QModelIndex &) const
{
return 1;
}
QVariant StreamSearchModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid()) {
switch (role) {
case Cantata::Role_TitleText:
return tr("Stream Search");
case Cantata::Role_SubText:
return tr("Search for radio streams");
case Qt::DecorationRole:
return icon;
}
return QVariant();
}
const StreamsModel::Item *item = toItem(index);
switch (role) {
case Qt::DecorationRole:
if (item->parent==root && item->isCategory()) {
return static_cast<const StreamsModel::CategoryItem *>(item) ->icon;
}
return item->isCategory() ? Icons::self()->streamCategoryIcon : Icons::self()->streamListIcon;
case Qt::DisplayRole:
return item->name;
case Qt::ToolTipRole:
if (!Settings::self()->infoTooltips()) {
return QVariant();
}
return item->isCategory() ? item->name : (item->name+QLatin1String("<br><small><i>")+item->url+QLatin1String("</i></small>"));
case Cantata::Role_SubText:
if (item->isCategory()) {
const StreamsModel::CategoryItem *cat=static_cast<const StreamsModel::CategoryItem *>(item);
switch (cat->state) {
case StreamsModel::CategoryItem::Initial:
return root==item->parent ? tr("Enter string to search") : tr("Not Loaded");
case StreamsModel::CategoryItem::Fetching:
return tr("Loading...");
default:
return tr("%n Entry(s)", "", cat->children.count());
}
} else {
return item->subText.isEmpty() ? QLatin1String("-") : item->subText;
}
break;
case Cantata::Role_Actions:
if (item->isCategory()){
if (static_cast<const StreamsModel::CategoryItem *>(item)->canBookmark) {
QVariant v;
v.setValue<QList<Action *> >(QList<Action *>() << StreamsModel::self()->addBookmarkAct());
return v;
}
} else {
QVariant v;
v.setValue<QList<Action *> >(QList<Action *>() << StdActions::self()->replacePlayQueueAction << StreamsModel::self()->addToFavouritesAct());
return v;
}
break;
default:
break;
}
return QVariant();
}
Qt::ItemFlags StreamSearchModel::flags(const QModelIndex &index) const
{
if (index.isValid()) {
if (toItem(index)->isCategory()) {
return Qt::ItemIsSelectable | Qt::ItemIsEnabled;
} else {
return Qt::ItemIsSelectable | Qt::ItemIsDragEnabled | Qt::ItemIsEnabled;
}
} else {
return Qt::NoItemFlags;
}
}
bool StreamSearchModel::hasChildren(const QModelIndex &index) const
{
return index.isValid() ? toItem(index)->isCategory() : true;
}
bool StreamSearchModel::canFetchMore(const QModelIndex &index) const
{
if (index.isValid()) {
StreamsModel::Item *item = toItem(index);
return item->isCategory() && StreamsModel::CategoryItem::Initial==static_cast<StreamsModel::CategoryItem *>(item)->state && !item->url.isEmpty();
} else {
return false;
}
}
void StreamSearchModel::fetchMore(const QModelIndex &index)
{
if (!index.isValid()) {
return;
}
StreamsModel::Item *item = toItem(index);
if (item->isCategory() && !item->url.isEmpty()) {
StreamsModel::CategoryItem *cat=static_cast<StreamsModel::CategoryItem *>(item);
NetworkJob *job=NetworkAccessManager::self()->get(cat->url);
if (jobs.isEmpty()) {
emit loading();
}
jobs.insert(job, cat);
connect(job, SIGNAL(finished()), this, SLOT(jobFinished()));
cat->state=StreamsModel::CategoryItem::Fetching;
emit dataChanged(index, index);
}
}
QStringList StreamSearchModel::filenames(const QModelIndexList &indexes, bool addPrefix) const
{
QStringList fnames;
for (const QModelIndex &index: indexes) {
StreamsModel::Item *item=static_cast<StreamsModel::Item *>(index.internalPointer());
if (!item->isCategory() && !fnames.contains(item->url)) {
fnames << StreamsModel::modifyUrl(item->url, addPrefix, item->name);
}
}
return fnames;
}
QMimeData * StreamSearchModel::mimeData(const QModelIndexList &indexes) const
{
QMimeData *mimeData = new QMimeData();
PlayQueueModel::encode(*mimeData, PlayQueueModel::constFileNameMimeType, filenames(indexes, true));
return mimeData;
}
QStringList StreamSearchModel::mimeTypes() const
{
QStringList types;
types << PlayQueueModel::constFileNameMimeType;
return types;
}
void StreamSearchModel::clear()
{
cancelAll();
for (StreamsModel::Item *item: root->children) {
StreamsModel::CategoryItem *cat=static_cast<StreamsModel::CategoryItem *>(item);
if (cat->children.count()) {
QModelIndex index = createIndex(root->children.indexOf(cat), 0, (void *)cat);
beginRemoveRows(index, 0, cat->children.count() - 1);
qDeleteAll(cat->children);
cat->children.clear();
endRemoveRows();
}
}
currentSearch=QString();
}
static int getParam(const QString &key, QString &query)
{
int index=query.indexOf(" "+key+"=");
int val=0;
if (-1!=index) {
int endPos=query.indexOf(" ", index+3);
int end=endPos;
if (-1==end) {
end=query.length()-1;
}
int start=index+key.length()+2;
val=query.mid(start, (end+1)-start).toInt();
if (endPos>start) {
query=query.left(index)+query.mid(endPos);
query=query.trimmed();
} else {
query=query.left(index);
}
}
return val;
}
void StreamSearchModel::search(const QString &searchTerm, bool stationsOnly)
{
if (searchTerm==currentSearch) {
return;
}
clear();
currentSearch=searchTerm;
for (StreamsModel::Item *item: root->children) {
QUrl searchUrl;
QUrlQuery query;
switch (root->children.indexOf(item)) {
case TuneIn: {
searchUrl=QUrl(item->url);
if (stationsOnly) {
query.addQueryItem("types", "station");
}
query.addQueryItem("query", searchTerm);
QString locale=QLocale::system().name();
if (!locale.isEmpty()) {
query.addQueryItem("locale", locale);
}
break;
}
case ShoutCast: {
searchUrl=QUrl(item->url);
QString search=searchTerm;
int limit=getParam("limit", search);
int bitrate=getParam("br", search);
if (0==bitrate) {
bitrate=getParam("bitrate", search);
}
ApiKeys::self()->addKey(query, ApiKeys::ShoutCast);
query.addQueryItem("search", search);
query.addQueryItem("limit", QString::number(limit<1 ? 100 : limit));
if (bitrate>=32 && bitrate<=512) {
query.addQueryItem("br", QString::number(bitrate));
}
break;
}
case Dirble:
searchUrl=QUrl(item->url+searchTerm);
ApiKeys::self()->addKey(query, ApiKeys::Dirble);
break;
}
searchUrl.setQuery(query);
NetworkJob *job=NetworkAccessManager::self()->get(searchUrl);
if (jobs.isEmpty()) {
emit loading();
}
jobs.insert(job, static_cast<StreamsModel::CategoryItem *>(item));
connect(job, SIGNAL(finished()), this, SLOT(jobFinished()));
}
}
void StreamSearchModel::cancelAll()
{
if (!jobs.isEmpty()) {
QList<NetworkJob *> jobList=jobs.keys();
for (NetworkJob *j: jobList) {
j->cancelAndDelete();
}
jobs.clear();
emit loaded();
}
}
void StreamSearchModel::jobFinished()
{
NetworkJob *job=dynamic_cast<NetworkJob *>(sender());
if (!job) {
return;
}
job->deleteLater();
if (jobs.contains(job)) {
StreamsModel::CategoryItem *cat=jobs[job];
cat->state=StreamsModel::CategoryItem::Fetched;
jobs.remove(job);
QModelIndex index=cat==root ? QModelIndex() : createIndex(cat->parent->children.indexOf(cat), 0, (void *)cat);
StreamsModel::Item *i=cat;
while (i->parent && i->parent!=root) {
i=i->parent;
}
if (job->ok()) {
QList<StreamsModel::Item *> newItems;
switch(root->children.indexOf(i)) {
case TuneIn: newItems=StreamsModel::parseRadioTimeResponse(job->actualJob(), cat, true); break;
case ShoutCast: newItems=StreamsModel::parseShoutCastSearchResponse(job->actualJob(), cat); break;
case Dirble: newItems=StreamsModel::parseDirbleStations(job->actualJob(), cat); break;
default : break;
}
if (!newItems.isEmpty()) {
beginInsertRows(index, cat->children.count(), (cat->children.count()+newItems.count())-1);
cat->children+=newItems;
endInsertRows();
}
} else {
switch(root->children.indexOf(i)) {
case ShoutCast: ApiKeys::self()->isLimitReached(job->actualJob(), ApiKeys::ShoutCast); break;
case Dirble: ApiKeys::self()->isLimitReached(job->actualJob(), ApiKeys::Dirble); break;
default : break;
}
}
emit dataChanged(index, index);
if (jobs.isEmpty()) {
emit loaded();
}
}
}
QList<StreamsModel::Item *> StreamSearchModel::getStreams(StreamsModel::CategoryItem *cat)
{
QList<StreamsModel::Item *> streams;
if (cat) {
for (StreamsModel::Item *i: cat->children) {
if (i->isCategory()) {
streams+=getStreams(static_cast<StreamsModel::CategoryItem *>(i));
} else {
streams.append(i);
}
}
}
return streams;
}
#include "moc_streamsearchmodel.cpp"