352 lines
9.1 KiB
PHP
352 lines
9.1 KiB
PHP
<?php
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namespace Model\Feed;
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use PicoFeed\Serialization\SubscriptionListParser;
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use UnexpectedValueException;
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use Model\Config;
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use Model\Item;
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use Model\Group;
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use Model\Favicon;
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use Helper;
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use PicoDb\Database;
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use PicoFeed\Reader\Reader;
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use PicoFeed\PicoFeedException;
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const LIMIT_ALL = -1;
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// Update feed information
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function update(array $values)
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{
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Database::getInstance('db')->startTransaction();
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$result = Database::getInstance('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' => $values['enabled'],
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'rtl' => $values['rtl'],
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'download_content' => $values['download_content'],
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'cloak_referrer' => $values['cloak_referrer'],
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'parsing_error' => 0,
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));
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if ($result) {
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if (! Group\update_feed_groups($values['id'], $values['feed_group_ids'], $values['create_group'])) {
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Database::getInstance('db')->cancelTransaction();
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$result = false;
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}
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}
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Database::getInstance('db')->closeTransaction();
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return $result;
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}
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// Import OPML file
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function import_opml($content)
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{
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$subscriptionList = SubscriptionListParser::create($content)->parse();
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$db = Database::getInstance('db');
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$db->startTransaction();
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foreach ($subscriptionList->subscriptions as $subscription) {
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if (! $db->table('feeds')->eq('feed_url', $subscription->getFeedUrl())->exists()) {
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$db->table('feeds')->insert(array(
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'title' => $subscription->getTitle(),
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'site_url' => $subscription->getSiteUrl(),
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'feed_url' => $subscription->getFeedUrl(),
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));
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if ($subscription->getCategory() !== '') {
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$feed_id = $db->getLastId();
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$group_id = Group\get_group_id($subscription->getCategory());
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if (empty($group_id)) {
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$group_id = Group\create($subscription->getCategory());
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}
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Group\add($feed_id, array($group_id));
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}
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}
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}
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$db->closeTransaction();
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Config\write_debug();
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return true;
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}
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// Add a new feed from an URL
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function create($url, $enable_grabber = false, $force_rtl = false, $cloak_referrer = false, $group_ids = array(), $create_group = '')
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{
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$feed_id = false;
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$db = Database::getInstance('db');
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// Discover the feed
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$reader = new Reader(Config\get_reader_config());
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$resource = $reader->discover($url);
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// Feed already there
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if ($db->table('feeds')->eq('feed_url', $resource->getUrl())->count()) {
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throw new UnexpectedValueException;
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}
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// Parse the feed
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$parser = $reader->getParser(
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$resource->getUrl(),
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$resource->getContent(),
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$resource->getEncoding()
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);
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if ($enable_grabber) {
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$parser->enableContentGrabber();
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}
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$feed = $parser->execute();
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// Save the feed
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$result = $db->table('feeds')->save(array(
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'title' => $feed->getTitle(),
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'site_url' => $feed->getSiteUrl(),
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'feed_url' => $feed->getFeedUrl(),
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'download_content' => $enable_grabber ? 1 : 0,
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'rtl' => $force_rtl ? 1 : 0,
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'last_modified' => $resource->getLastModified(),
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'last_checked' => time(),
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'etag' => $resource->getEtag(),
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'cloak_referrer' => $cloak_referrer ? 1 : 0,
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));
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if ($result) {
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$feed_id = $db->getLastId();
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Group\update_feed_groups($feed_id, $group_ids, $create_group);
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Item\update_all($feed_id, $feed->getItems());
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Favicon\create_feed_favicon($feed_id, $feed->getSiteUrl(), $feed->getIcon());
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}
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return $feed_id;
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}
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// Refresh all feeds
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function refresh_all($limit = LIMIT_ALL)
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{
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foreach (get_ids($limit) 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::getInstance('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($feed_id)
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{
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try {
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$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($feed_id);
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// Feed modified
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if ($resource->isModified()) {
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$parser = $reader->getParser(
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$resource->getUrl(),
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$resource->getContent(),
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$resource->getEncoding()
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);
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if ($feed['download_content']) {
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$parser->enableContentGrabber();
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// Don't fetch previous items, only new one
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$parser->setGrabberIgnoreUrls(
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Database::getInstance('db')->table('items')->eq('feed_id', $feed_id)->findAllByColumn('url')
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);
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}
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$feed = $parser->execute();
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update_cache($feed_id, $resource->getLastModified(), $resource->getEtag());
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Item\update_all($feed_id, $feed->getItems());
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Favicon\create_feed_favicon($feed_id, $feed->getSiteUrl(), $feed->getIcon());
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}
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update_parsing_error($feed_id, 0);
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Config\write_debug();
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return true;
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} catch (PicoFeedException $e) {
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}
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update_parsing_error($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($limit = LIMIT_ALL)
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{
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$query = Database::getInstance('db')->table('feeds')->eq('enabled', 1)->asc('last_checked');
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if ($limit !== LIMIT_ALL) {
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$query->limit((int) $limit);
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}
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return $query->findAllByColumn('id');
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}
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// get number of feeds with errors
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function count_failed_feeds()
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{
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return Database::getInstance('db')
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->table('feeds')
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->eq('parsing_error', '1')
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->count();
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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::getInstance('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 in the order failed, working, disabled
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function get_all_item_counts()
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{
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return Database::getInstance('db')
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->table('feeds')
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->columns(
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'feeds.*',
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'SUM(CASE WHEN items.status IN ("unread") THEN 1 ELSE 0 END) as "items_unread"',
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'SUM(CASE WHEN items.status IN ("read", "unread") THEN 1 ELSE 0 END) as "items_total"'
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)
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->join('items', 'feed_id', 'id')
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->groupBy('feeds.id')
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->desc('feeds.parsing_error')
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->desc('feeds.enabled')
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->asc('feeds.title')
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->findAll();
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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::getInstance('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::getInstance('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::getInstance('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::getInstance('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::getInstance('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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Group\remove_all($feed_id);
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// Items are removed by a sql constraint
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$result = Database::getInstance('db')->table('feeds')->eq('id', $feed_id)->remove();
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Favicon\purge_favicons();
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return $result;
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}
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// Remove all feeds
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function remove_all()
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{
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$result = Database::getInstance('db')->table('feeds')->remove();
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Favicon\purge_favicons();
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return $result;
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}
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// Enable a feed (activate refresh)
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function enable($feed_id)
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{
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return Database::getInstance('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::getInstance('db')->table('feeds')->eq('id', $feed_id)->save((array('enabled' => 0)));
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}
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