160 lines
3.7 KiB
PHP
160 lines
3.7 KiB
PHP
<?php
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namespace Miniflux\Model\Favicon;
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use Miniflux\Helper;
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use Miniflux\Model;
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use PicoDb\Database;
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const TABLE = 'favicons';
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const JOIN_TABLE = 'favicons_feeds';
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function create_feed_favicon($feed_id, $mime_type, $blob)
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{
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$favicon_id = store_favicon($mime_type, $blob);
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if ($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(JOIN_TABLE)
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->insert(array(
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'feed_id' => $feed_id,
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'favicon_id' => $favicon_id
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));
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}
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function store_favicon($mime_type, $blob)
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{
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if (empty($blob)) {
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return false;
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}
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$hash = sha1($blob);
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if (file_put_contents(get_favicon_filename($hash, $mime_type), $blob) === false) {
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return false;
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}
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return Database::getInstance('db')
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->table(TABLE)
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->persist(array(
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'hash' => $hash,
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'type' => $mime_type
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));
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}
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function purge_favicons()
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{
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$favicons = Database::getInstance('db')
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->table(TABLE)
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->join(JOIN_TABLE, 'favicon_id', 'id')
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->isNull('feed_id')
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->findAll();
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foreach ($favicons as $favicon) {
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$filename = get_favicon_filename($favicon['hash'], $favicon['type']);
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Database::getInstance('db')
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->table(TABLE)
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->eq('id', $favicon['id'])
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->remove();
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if (file_exists($filename)) {
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unlink($filename);
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}
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}
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}
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function has_favicon($feed_id)
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{
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$favicon = Database::getInstance('db')
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->table(JOIN_TABLE)
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->eq('feed_id', $feed_id)
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->join(TABLE, 'id', 'favicon_id')
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->findOne();
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$has_favicon = ! empty($favicon);
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if ($has_favicon && ! file_exists(get_favicon_filename($favicon['hash'], $favicon['type']))) {
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Database::getInstance('db')
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->table(TABLE)
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->eq('id', $favicon['id'])
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->remove();
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return false;
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}
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return $has_favicon;
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}
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function get_favicons_by_feed_ids(array $feed_ids)
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{
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$result = array();
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$favicons = Database::getInstance('db')
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->table(TABLE)
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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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->in('favicons_feeds.feed_id', $feed_ids)
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->findAll();
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foreach ($favicons as $favicon) {
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$result[$favicon['feed_id']] = $favicon;
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}
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return $result;
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}
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function get_items_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[] = $item['feed_id'];
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}
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return get_favicons_by_feed_ids(array_unique($feed_ids));
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}
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function get_feeds_favicons(array $feeds)
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{
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$feed_ids = array();
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foreach ($feeds as $feed) {
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$feed_ids[] = $feed['id'];
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}
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return get_favicons_by_feed_ids($feed_ids);
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}
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function get_favicons_with_data_url($user_id)
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{
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$favicons = Database::getInstance('db')
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->table(TABLE)
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->columns('feed_id', 'hash', 'type')
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->join(JOIN_TABLE, 'favicon_id', 'id')
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->join(Model\Feed\TABLE, 'id', 'feed_id', JOIN_TABLE)
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->eq(Model\Feed\TABLE.'.user_id', $user_id)
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->asc(TABLE.'.id')
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->findAll();
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foreach ($favicons as &$favicon) {
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$favicon['data_url'] = get_favicon_data_url($favicon['hash'], $favicon['type']);
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}
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return $favicons;
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}
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function get_favicon_filename($hash, $mime_type)
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{
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return FAVICON_DIRECTORY.DIRECTORY_SEPARATOR.$hash.Helper\favicon_extension($mime_type);
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}
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function get_favicon_data_url($hash, $mime_type)
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{
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$blob = base64_encode(file_get_contents(get_favicon_filename($hash, $mime_type)));
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return sprintf('data:%s;base64,%s', $mime_type, $blob);
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}
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