155 lines
3.7 KiB
PHP
155 lines
3.7 KiB
PHP
<?php
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/*****************************************************************************
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* AssetIterator.php
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* Contains key class AssetIterator.
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*
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* Kabuki CMS (C) 2013-2015, Aaron van Geffen
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*****************************************************************************/
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class AssetIterator extends Asset
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{
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private $return_format;
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private $res_assets;
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private $res_meta;
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protected function __construct($res_assets, $res_meta, $return_format)
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{
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$this->db = Registry::get('db');
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$this->res_assets = $res_assets;
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$this->res_meta = $res_meta;
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$this->return_format = $return_format;
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}
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public function next()
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{
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$row = $this->db->fetch_assoc($this->res_assets);
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// No more rows?
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if (!$row)
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return false;
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// Looks up metadata.
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$row['meta'] = [];
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while ($meta = $this->db->fetch_assoc($this->res_meta))
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{
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if ($meta['id_asset'] != $row['id_asset'])
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continue;
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$row['meta'][$meta['variable']] = $meta['value'];
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}
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// Reset internal pointer for next asset.
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$this->db->data_seek($this->res_meta, 0);
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if ($this->return_format == 'object')
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return new Asset($row);
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else
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return $row;
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}
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public function reset()
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{
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$this->db->data_seek($this->res_assets, 0);
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$this->db->data_seek($this->res_meta, 0);
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}
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public function clean()
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{
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if (!$this->res_assets)
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return;
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$this->db->free_result($this->res_assets);
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$this->res_assets = null;
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}
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public function num()
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{
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return $this->db->num_rows($this->res_assets);
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}
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public static function all()
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{
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return self::getByOptions();
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}
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public static function getByOptions(array $options = [], $return_count = false, $return_format = 'object')
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{
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$params = [
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'limit' => isset($options['limit']) ? $options['limit'] : 0,
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'order' => isset($options['order']) && in_array($options['order'], ['id_asset', 'subdir', 'filename', 'title',
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'mime_type', 'image_width', 'image_height', 'date_captured']) ? $options['order'] : 'id_asset',
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'direction' => isset($options['direction']) ? $options['direction'] : 'asc',
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];
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if (isset($options['offset']))
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$params['offset'] = $options['offset'];
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elseif (isset($options['page']) && $options['page'] >= 1)
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$params['offset'] = $params['limit'] * ($options['page'] - 1);
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else
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$params['offset'] = 0;
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$where = [];
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if (isset($options['mime_type']))
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{
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$params['mime_type'] = $options['mime_type'];
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if (is_array($options['mime_type']))
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$where[] = 'a.mimetype IN({array_string:mime_type})';
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else
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$where[] = 'a.mimetype = {string:mime_type}';
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}
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if (isset($options['id_tag']))
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{
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$params['id_tag'] = $options['id_tag'];
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$where[] = 'id_asset IN(
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SELECT l.id_asset
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FROM assets_tags AS l
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WHERE l.id_tag = {int:id_tag})';
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}
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// Make it valid SQL.
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$order = 'a.' . $params['order'] . ' ' . ($params['direction'] == 'desc' ? 'DESC' : 'ASC');
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$where = empty($where) ? '1' : implode(' AND ', $where);
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// And ... go!
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$db = Registry::get('db');
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// Get a resource object for the assets.
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$res_assets = $db->query('
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SELECT a.*
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FROM assets AS a
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WHERE ' . $where . '
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ORDER BY ' . $order . (!empty($params['limit']) ? '
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LIMIT {int:offset}, {int:limit}' : ''),
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$params);
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// Get a resource object for the asset meta.
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$res_meta = $db->query('
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SELECT id_asset, variable, value
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FROM assets_meta
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WHERE id_asset IN(
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SELECT id_asset
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FROM assets AS a
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WHERE ' . $where . '
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)
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ORDER BY id_asset',
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$params);
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$iterator = new self($res_assets, $res_meta, $return_format);
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// Returning total count, too?
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if ($return_count)
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{
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$count = $db->queryValue('
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SELECT COUNT(*)
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FROM assets AS a
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WHERE ' . $where,
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$params);
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return [$iterator, $count];
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}
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else
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return $iterator;
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}
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}
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