192 lines
4.2 KiB
PHP
192 lines
4.2 KiB
PHP
<?php
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namespace Model\Favicon;
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use Model\Config;
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use Model\Group;
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use Helper;
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use PicoDb\Database;
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use PicoFeed\Reader\Favicon;
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// Create a favicons
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function create_feed_favicon($feed_id, $site_url, $icon_link)
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{
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if (has_favicon($feed_id)) {
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return true;
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}
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$favicon = fetch($feed_id, $site_url, $icon_link);
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if ($favicon === false) {
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return false;
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}
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$favicon_id = store($favicon->getType(), $favicon->getContent());
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if ($favicon_id === false) {
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return false;
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}
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return Database::getInstance('db')
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->table('favicons_feeds')
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->save(array(
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'feed_id' => $feed_id,
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'favicon_id' => $favicon_id
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));
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}
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// Download a favicon
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function fetch($feed_id, $site_url, $icon_link)
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{
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if (Config\get('favicons') == 1 && ! has_favicon($feed_id)) {
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$favicon = new Favicon;
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$favicon->find($site_url, $icon_link);
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return $favicon;
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}
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return false;
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}
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// Store the favicon (only if it does not exist yet)
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function store($type, $icon)
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{
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if ($icon === '') {
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return false;
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}
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$hash = sha1($icon);
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$favicon_id = get_favicon_id($hash);
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if ($favicon_id) {
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return $favicon_id;
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}
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$file = $hash.Helper\favicon_extension($type);
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if (file_put_contents(FAVICON_DIRECTORY.DIRECTORY_SEPARATOR.$file, $icon) === false) {
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return false;
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}
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$saved = Database::getInstance('db')
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->table('favicons')
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->save(array(
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'hash' => $hash,
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'type' => $type
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));
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if ($saved === false) {
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return false;
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}
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return get_favicon_id($hash);
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}
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function get_favicon_id($hash)
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{
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return Database::getInstance('db')
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->table('favicons')
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->eq('hash', $hash)
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->findOneColumn('id');
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}
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// Delete the favicon
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function delete_favicon($favicon)
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{
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unlink(FAVICON_DIRECTORY.DIRECTORY_SEPARATOR.$favicon['hash'].Helper\favicon_extension($favicon['type']));
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Database::getInstance('db')
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->table('favicons')
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->eq('hash', $favicon['hash'])
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->remove();
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}
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// Purge orphaned favicons from database
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function purge_favicons()
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{
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$favicons = Database::getInstance('db')
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->table('favicons')
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->columns(
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'favicons.type',
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'favicons.hash',
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'favicons_feeds.feed_id'
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)
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->join('favicons_feeds', 'favicon_id', 'id')
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->isNull('favicons_feeds.feed_id')
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->findAll();
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foreach ($favicons as $favicon) {
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delete_favicon($favicon);
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}
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}
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// Return true if the feed has a favicon
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function has_favicon($feed_id)
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{
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return Database::getInstance('db')->table('favicons_feeds')->eq('feed_id', $feed_id)->count() === 1;
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}
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// Get favicons for those feeds
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function get_favicons(array $feed_ids)
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{
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if (Config\get('favicons') == 0) {
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return array();
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}
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$result = array();
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foreach ($feed_ids as $feed_id) {
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$result[$feed_id] = Database::getInstance('db')
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->table('favicons')
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->columns(
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'favicons.type',
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'favicons.hash'
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)
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->join('favicons_feeds', 'favicon_id', 'id')
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->eq('favicons_feeds.feed_id', $feed_id)
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->findOne();
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}
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return $result;
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}
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// Get all favicons for a list of items
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function get_item_favicons(array $items)
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{
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$feed_ids = array();
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foreach ($items as $item) {
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$feed_ids[$item['feed_id']] = $item['feed_id'];
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}
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return get_favicons($feed_ids);
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}
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// Get all favicons
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function get_all_favicons()
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{
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if (Config\get('favicons') == 0) {
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return array();
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}
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$result = Database::getInstance('db')
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->table('favicons')
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->columns(
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'favicons_feeds.feed_id',
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'favicons.type',
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'favicons.hash'
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)
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->join('favicons_feeds', 'favicon_id', 'id')
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->findAll();
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$map = array();
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foreach ($result as $row) {
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$map[$row['feed_id']] = array(
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"type" => $row['type'],
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"hash" => $row['hash']
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);
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}
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return $map;
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}
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