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-rw-r--r--dcoprss/query.cpp271
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diff --git a/dcoprss/query.cpp b/dcoprss/query.cpp
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+++ b/dcoprss/query.cpp
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+/* $Id$ */
+
+/***************************************************************************
+ query.cpp - A query interface to select RSS feeds.
+ -------------------
+ begin : Saturday 15 February 2003
+ copyright : (C) 2003 by Ian Reinhart Geiser
+ email : geiseri@kde.org
+ ***************************************************************************/
+
+/***************************************************************************
+ * *
+ * 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. *
+ * *
+ ***************************************************************************/
+#include "cache.h"
+#include "query.h"
+
+#include <kdebug.h>
+#include <krfcdate.h>
+
+#include "service.h"
+#include "xmlrpciface.h"
+
+using KXMLRPC::Server;
+
+void SlotCaller::call( QObject *object, const char *slot,
+ const KXMLRPC::Query::Result &result )
+{
+ SlotCaller caller;
+ connect( &caller, SIGNAL( signal( const KXMLRPC::Query::Result &) ),
+ object, slot );
+ emit caller.signal( result );
+}
+
+QueryService::QueryService( RSSService *service ) : QObject(), DCOPObject( "RSSQuery" ),
+ m_service( service )
+{
+ m_xmlrpcServer = new KXMLRPC::Server( KURL( "http://www.syndic8.com/xmlrpc.php"), this );
+}
+
+QStringList QueryService::listActive()
+{
+ if ( !m_service )
+ return QStringList();
+ return m_service->list();
+}
+
+void QueryService::cachedCall( const QString &method,
+ const QValueList<QVariant> &args,
+ const char *slot )
+{
+ kdDebug() << "Calling " << method << endl;
+
+ const QString cacheKey = Cache::getCacheKey( m_xmlrpcServer->url().url(),
+ method, args );
+
+ CacheEntry *cacheEntry = Cache::self().find( cacheKey );
+ if ( cacheEntry != 0 && cacheEntry->isValid() ) {
+ kdDebug() << "Using cached result." << endl;
+ SlotCaller::call( this, slot, cacheEntry->result() );
+ } else {
+ kdDebug() << "No cached result found, querying server." << endl;
+ m_xmlrpcServer->call( method, args, this, slot );
+ }
+}
+
+void QueryService::updateCache( const KXMLRPC::Query::Result &result )
+{
+ const QString cacheKey = Cache::getCacheKey( result.server(),
+ result.method(),
+ result.args() );
+
+ CacheEntry *cacheEntry = Cache::self().find( cacheKey );
+ if ( cacheEntry == 0 ) {
+ kdDebug() << "Inserting returned result into cache." << endl;
+ Cache::self().insert( cacheKey, result );
+ }
+}
+
+void QueryService::findFeeds( const QString &query )
+{
+ kdDebug() << "QueryService::findFeeds()" << endl;
+
+ QStringList args;
+ args << query << "headlines_rank";
+
+ cachedCall( "syndic8.FindFeeds", Server::toVariantList( args ),
+ SLOT( slotFoundFeeds( const KXMLRPC::Query::Result & ) ) );
+}
+
+void QueryService::findSites( const QString& query )
+{
+ kdDebug() << "QueryService::findSites()" << endl;
+
+ cachedCall( "syndic8.FindSites", Server::toVariantList( query ),
+ SLOT( slotFoundFeeds( const KXMLRPC::Query::Result & ) ) );
+}
+
+void QueryService::getFeedInfo( const QVariant& ids )
+{
+ kdDebug() << "QueryService::getFeedInfo()" << endl;
+
+ cachedCall( "syndic8.GetFeedInfo", Server::toVariantList( ids ),
+ SLOT( slotGotFeedInfo( const KXMLRPC::Query::Result & ) ) );
+}
+
+void QueryService::getCategories( const QString &category )
+{
+ kdDebug() << "QueryService::getCategories()" << endl;
+
+ if ( category == "Top" ) {
+ cachedCall( "syndic8.GetCategoryRoots", Server::toVariantList( QString::fromLatin1( "DMOZ" ) ),
+ SLOT( slotGotCategories( const KXMLRPC::Query::Result & ) ) );
+ } else {
+ QStringList args;
+ args << "DMOZ" << category;
+ cachedCall( "syndic8.GetCategoryChildren", Server::toVariantList( args ),
+ SLOT( slotGotCategories( const KXMLRPC::Query::Result & ) ) );
+ }
+}
+
+void QueryService::getFeedsInCategory( const QString &category )
+{
+ kdDebug() << "QueryService::getFeedsInCategory()" << endl;
+
+ QStringList args;
+ args << "DMOZ" << category;
+
+ cachedCall( "syndic8.GetFeedsInCategory", Server::toVariantList( args ),
+ SLOT( slotGotFeedsInCategory( const KXMLRPC::Query::Result & ) ) );
+}
+
+void QueryService::slotFoundFeeds( const KXMLRPC::Query::Result &result )
+{
+ kdDebug() << "QueryService::slotFoundFeeds()" << endl;
+ if ( !result.success() ) {
+ kdWarning() << "Failed to query for feeds: " << result.errorString() << endl;
+ return;
+ }
+
+ updateCache( result );
+
+ QValueList<int> ids;
+
+ const QValueList<QVariant> values = result.data()[ 0 ].toList();
+ QValueList<QVariant>::ConstIterator it = values.begin();
+ QValueList<QVariant>::ConstIterator end = values.end();
+ for ( ; it != end; ++it ) {
+ ids << ( *it ).toInt();
+ kdDebug() << "Found feed #" << ( *it ).toInt() << endl;
+ }
+ feedIds( ids );
+}
+
+void QueryService::slotGotFeedInfo( const KXMLRPC::Query::Result &result )
+{
+ kdDebug() << "QueryService::slotGotFeedInfo()" << endl;
+ if ( !result.success() ) {
+ kdWarning() << "Failed to get feed info: " << result.errorString() << endl;
+ return;
+ }
+
+ updateCache( result );
+
+ QMap<QString, QString> links;
+ QValueList<RSSNewsFeed> feeds;
+
+ const QValueList<QVariant> feedInfos = result.data();
+ QValueList<QVariant>::ConstIterator it = feedInfos.begin();
+ QValueList<QVariant>::ConstIterator end = feedInfos.end();
+ for ( ; it != end; ++it ) {
+ const QMap<QString, QVariant> feedInfo = ( *it ).toMap();
+
+ const QString name = feedInfo[ "sitename" ].toString();
+ const QString link = feedInfo[ "dataurl" ].toString();
+ links[ name ] = link;
+
+ RSSNewsFeed feed;
+ feed.m_id = feedInfo[ "feedid" ].toUInt();
+ feed.m_name = feedInfo[ "sitename" ].toString();
+ feed.m_homePage = feedInfo[ "siteurl" ].toString();
+ feed.m_sourceFile = feedInfo[ "dataurl" ].toString();
+ feed.m_imageUrl = feedInfo[ "imageurl" ].toString();
+ feed.m_webmaster = feedInfo[ "webmaster" ].toString();
+ feed.m_editor = feedInfo[ "editor" ].toString();
+ feed.m_publisher = feedInfo[ "publisher" ].toString();
+ feed.m_creator = feedInfo[ "creator" ].toString();
+ QDateTime dateTime;
+ dateTime.setTime_t( KRFCDate::parseDate( feedInfo[ "date_created" ].toString() ) );
+ feed.m_dateCreated = dateTime;
+ dateTime.setTime_t( KRFCDate::parseDate( feedInfo[ "date_approved" ].toString() ) );
+ feed.m_dateApproved = dateTime;
+ dateTime.setTime_t( KRFCDate::parseDate( feedInfo[ "date_xml_changed" ].toString() ) );
+ feed.m_dateXmlChanged = dateTime;
+ feed.m_fetchable = feedInfo[ "fetchable" ].toBool();
+ feed.m_description = feedInfo[ "description" ].toString();
+ feed.m_origin = feedInfo[ "origin" ].toString();
+ feed.m_languageCode = feedInfo[ "lang_code" ].toString();
+ feed.m_status = feedInfo[ "status" ].toString();
+ feed.m_version = feedInfo[ "rss_version" ].toString();
+ feed.m_views = feedInfo[ "views" ].toUInt();
+ feed.m_headlinesPerDay = feedInfo[ "headlines_per_day" ].toUInt();
+ feed.m_headlinesRank = feedInfo[ "headlines_rank" ].toUInt();
+ feed.m_toolkit = feedInfo[ "toolkit" ].toString();
+ feed.m_toolkitVersion = feedInfo[ "toolkit_version" ].toString();
+ feed.m_pollingInterval = feedInfo[ "cur_polling_interval" ].toUInt();
+ dateTime.setTime_t( feedInfo[ "last_poll_time" ].toUInt() );
+ feed.m_lastPoll = dateTime;
+ // ### feed.m_categories missing here!
+
+ feeds << feed;
+
+ kdDebug() << "Retrieved data for newsfeed '" << name << "' <" << link << ">" << endl;
+ }
+
+ feedInfo( links );
+ feedInfo( feeds );
+}
+
+void QueryService::slotGotCategories( const KXMLRPC::Query::Result &result )
+{
+ kdDebug() << "QueryService::slotGotCategories()" << endl;
+ if ( !result.success() ) {
+ kdWarning() << "Failed to get the list of categories: " << result.errorString() << endl;
+ return;
+ }
+
+ updateCache( result );
+
+ QStringList categories;
+
+ const QValueList<QVariant> cats = result.data()[ 0 ].toList();
+ QValueList<QVariant>::ConstIterator it = cats.begin();
+ QValueList<QVariant>::ConstIterator end = cats.end();
+ for ( ; it != end; ++it )
+ categories << ( *it ).toString();
+
+ kdDebug() << "Got categories: " << categories.join( ", " ) << endl;
+ gotCategories( categories );
+
+}
+
+void QueryService::slotGotFeedsInCategory( const KXMLRPC::Query::Result &result )
+{
+ kdDebug() << "QueryService::slotGotFeedsInCategory()" << endl;
+ if ( !result.success() ) {
+ kdWarning() << "Failed to get the feeds in the given category: " << result.errorString() << endl;
+ return;
+ }
+
+ updateCache( result );
+
+ QValueList<int> ids;
+
+ const QValueList<QVariant> values = result.data()[ 0 ].toList();
+ QValueList<QVariant>::ConstIterator it = values.begin();
+ QValueList<QVariant>::ConstIterator end = values.end();
+ for ( ; it != end; ++it ) {
+ ids << ( *it ).toInt();
+ kdDebug() << "Got feed in category: #" << ( *it ).toInt() << endl;
+ }
+
+ gotFeedsInCategory( ids );
+}
+
+#include "query.moc"
+// vim:ts=4:sw=4:noet