410 lines
9.6 KiB
PHP
410 lines
9.6 KiB
PHP
<?php
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namespace Model\Feed;
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use SimpleValidator\Validator;
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use SimpleValidator\Validators;
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use PicoDb\Database;
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use PicoFeed\Export;
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use PicoFeed\Import;
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use PicoFeed\Reader;
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use PicoFeed\Logging;
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use Model\Config;
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use Model\Item;
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const LIMIT_ALL = -1;
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// Update feed information
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function update(array $values)
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{
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return Database::get('db')
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->table('feeds')
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->eq('id', $values['id'])
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->save(array(
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'title' => $values['title'],
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'site_url' => $values['site_url'],
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'feed_url' => $values['feed_url'],
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'enabled' => empty($values['enabled']) ? 0 : $values['enabled'],
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'rtl' => empty($values['rtl']) ? 0 : $values['rtl'],
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'download_content' => empty($values['download_content']) ? 0 : $values['download_content'],
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));
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}
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// Export all feeds
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function export_opml()
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{
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$opml = new Export(get_all());
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return $opml->execute();
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}
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// Import OPML file
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function import_opml($content)
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{
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Logging::setTimezone(Config\get('timezone'));
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$import = new Import($content);
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$feeds = $import->execute();
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if ($feeds) {
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$db = Database::get('db');
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$db->startTransaction();
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foreach ($feeds as $feed) {
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if (! $db->table('feeds')->eq('feed_url', $feed->feed_url)->count()) {
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$db->table('feeds')->save(array(
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'title' => $feed->title,
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'site_url' => $feed->site_url,
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'feed_url' => $feed->feed_url
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));
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}
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}
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$db->closeTransaction();
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Config\write_debug();
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return true;
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}
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Config\write_debug();
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return false;
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}
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// Add a new feed from an URL
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function create($url, $enable_grabber = false, $force_rtl = false)
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{
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$reader = new Reader(Config\get_reader_config());
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$resource = $reader->download($url);
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$parser = $reader->getParser();
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if ($parser !== false) {
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if ($enable_grabber) {
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$parser->enableContentGrabber();
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}
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$feed = $parser->execute();
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if ($feed === false) {
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Config\write_debug();
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return false;
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}
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if (! $feed->getUrl()) {
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$feed->url = $reader->getUrl();
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}
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if (! $feed->getTitle()) {
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Config\write_debug();
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return false;
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}
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$db = Database::get('db');
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// Check if the feed is already there
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if (! $db->table('feeds')->eq('feed_url', $reader->getUrl())->count()) {
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// Etag and LastModified are added the next update
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$rs = $db->table('feeds')->save(array(
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'title' => $feed->getTitle(),
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'site_url' => $feed->getUrl(),
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'feed_url' => $reader->getUrl(),
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'download_content' => $enable_grabber ? 1 : 0,
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'rtl' => $force_rtl ? 1 : 0,
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));
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if ($rs) {
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$feed_id = $db->getConnection()->getLastId();
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Item\update_all($feed_id, $feed->getItems(), $enable_grabber);
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Config\write_debug();
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return (int) $feed_id;
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}
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}
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}
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Config\write_debug();
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return false;
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}
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// Refresh all feeds
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function refresh_all($limit = LIMIT_ALL)
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{
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$feeds_id = get_ids($limit);
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foreach ($feeds_id as $feed_id) {
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refresh($feed_id);
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}
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// Auto-vacuum for people using the cronjob
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Database::get('db')->getConnection()->exec('VACUUM');
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return true;
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}
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// Refresh one feed
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function refresh($feed_id)
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{
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$feed = get($feed_id);
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if (empty($feed)) {
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return false;
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}
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$reader = new Reader(Config\get_reader_config());
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$resource = $reader->download(
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$feed['feed_url'],
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$feed['last_modified'],
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$feed['etag']
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);
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// Update the `last_checked` column each time, HTTP cache or not
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update_last_checked($feed_id);
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if (! $resource->isModified()) {
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update_parsing_error($feed_id, 0);
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Config\write_debug();
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return true;
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}
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$parser = $reader->getParser();
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if ($parser !== false) {
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if ($feed['download_content']) {
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// Don't fetch previous items, only new one
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$parser->enableContentGrabber();
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$parser->setGrabberIgnoreUrls(Database::get('db')->table('items')->eq('feed_id', $feed_id)->findAllByColumn('url'));
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}
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$result = $parser->execute();
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if ($result !== false) {
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update_parsing_error($feed_id, 0);
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update_cache($feed_id, $resource->getLastModified(), $resource->getEtag());
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Item\update_all($feed_id, $result->getItems(), $feed['download_content']);
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Config\write_debug();
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return true;
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}
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}
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update_parsing_error($feed_id, 1);
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Config\write_debug();
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return false;
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}
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// Get the list of feeds ID to refresh
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function get_ids($limit = LIMIT_ALL)
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{
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$table_feeds = Database::get('db')->table('feeds')
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->eq('enabled', 1)
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->asc('last_checked');
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if ($limit !== LIMIT_ALL) {
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$table_feeds->limit((int) $limit);
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}
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return $table_feeds->listing('id', 'id');
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}
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// Get feeds with no item
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function get_all_empty()
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{
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$feeds = Database::get('db')
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->table('feeds')
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->columns('feeds.id', 'feeds.title', 'COUNT(items.id) AS nb_items')
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->join('items', 'feed_id', 'id')
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->isNull('feeds.last_checked')
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->groupBy('feeds.id')
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->findAll();
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foreach ($feeds as $key => &$feed) {
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if ($feed['nb_items'] > 0) {
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unset($feeds[$key]);
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}
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}
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return $feeds;
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}
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// Get all feeds
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function get_all()
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{
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return Database::get('db')
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->table('feeds')
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->asc('title')
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->findAll();
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}
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// Get all feeds with the number unread/total items
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function get_all_item_counts()
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{
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$counts = Database::get('db')
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->table('items')
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->columns('feed_id', 'status', 'count(*) as item_count')
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->in('status', array('read', 'unread'))
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->groupBy('feed_id', 'status')
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->findAll();
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$feeds = Database::get('db')
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->table('feeds')
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->asc('title')
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->findAll();
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$item_counts = array();
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foreach ($counts as &$count) {
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if (! isset($item_counts[$count['feed_id']])) {
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$item_counts[$count['feed_id']] = array(
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'items_unread' => 0,
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'items_total' => 0,
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);
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}
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$item_counts[$count['feed_id']]['items_total'] += $count['item_count'];
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if ($count['status'] === 'unread') {
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$item_counts[$count['feed_id']]['items_unread'] = $count['item_count'];
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}
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}
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foreach ($feeds as &$feed) {
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if (isset($item_counts[$feed['id']])) {
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$feed += $item_counts[$feed['id']];
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}
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else {
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$feed += array(
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'items_unread' => 0,
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'items_total' => 0,
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);
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}
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}
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return $feeds;
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}
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// Get unread/total count for one feed
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function count_items($feed_id)
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{
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$counts = Database::get('db')
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->table('items')
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->columns('status', 'count(*) as item_count')
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->in('status', array('read', 'unread'))
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->eq('feed_id', $feed_id)
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->groupBy('status')
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->findAll();
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$result = array(
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'items_unread' => 0,
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'items_total' => 0,
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);
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foreach ($counts as &$count) {
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if ($count['status'] === 'unread') {
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$result['items_unread'] = (int) $count['item_count'];
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}
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$result['items_total'] += $count['item_count'];
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}
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return $result;
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}
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// Get one feed
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function get($feed_id)
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{
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return Database::get('db')
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->table('feeds')
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->eq('id', $feed_id)
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->findOne();
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}
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// Update parsing error column
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function update_parsing_error($feed_id, $value)
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{
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Database::get('db')->table('feeds')->eq('id', $feed_id)->save(array('parsing_error' => $value));
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}
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// Update last check date
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function update_last_checked($feed_id)
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{
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Database::get('db')
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->table('feeds')
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->eq('id', $feed_id)
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->save(array(
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'last_checked' => time()
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));
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}
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// Update Etag and last Modified columns
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function update_cache($feed_id, $last_modified, $etag)
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{
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Database::get('db')
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->table('feeds')
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->eq('id', $feed_id)
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->save(array(
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'last_modified' => $last_modified,
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'etag' => $etag
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));
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}
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// Remove one feed
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function remove($feed_id)
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{
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// Items are removed by a sql constraint
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return Database::get('db')->table('feeds')->eq('id', $feed_id)->remove();
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}
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// Remove all feeds
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function remove_all()
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{
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return Database::get('db')->table('feeds')->remove();
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}
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// Enable a feed (activate refresh)
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function enable($feed_id)
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{
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return Database::get('db')->table('feeds')->eq('id', $feed_id)->save((array('enabled' => 1)));
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}
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// Disable feed
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function disable($feed_id)
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{
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return Database::get('db')->table('feeds')->eq('id', $feed_id)->save((array('enabled' => 0)));
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}
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// Validation for edit
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function validate_modification(array $values)
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{
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$v = new Validator($values, array(
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new Validators\Required('id', t('The feed id is required')),
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new Validators\Required('title', t('The title is required')),
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new Validators\Required('site_url', t('The site url is required')),
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new Validators\Required('feed_url', t('The feed url is required')),
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));
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$result = $v->execute();
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$errors = $v->getErrors();
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return array(
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$result,
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$errors
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);
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}
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