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<?php
/**
* @package com_zoo
* @author YOOtheme http://www.yootheme.com
* @copyright Copyright (C) YOOtheme GmbH
* @license http://www.gnu.org/licenses/gpl.html GNU/GPL
*/
/*
Class: TagTable
The table class for tags.
*/
class TagTable extends AppTable {
public function __construct($app) {
parent::__construct($app, ZOO_TABLE_TAG, 'name');
$this->class = 'stdClass';
}
/*
Function: getAll
Retrieve all tags.
Returns:
Array
*/
public function getAll($application_id = false, $search = "", $tag = "", $orderby = "", $offset = 0, $limit = 0, $published = false, $category_id = false, $type_id = false) {
// get database
$db = $this->database;
// get dates
$date = $this->app->date->create();
$now = $db->Quote($date->toSQL());
$null = $db->Quote($db->getNullDate());
$query = "SELECT a.name, COUNT(a.item_id) AS items"
." FROM ".$this->name." AS a".($application_id !== false ? ", ".ZOO_TABLE_ITEM." AS b USE INDEX (ID_APPLICATION_INDEX)" : "")
.(($category_id) ? " LEFT JOIN ".ZOO_TABLE_CATEGORY_ITEM." AS c ON b.id = c.item_id" : "")
." WHERE 1"
.($application_id !== false ? " AND a.item_id = b.id AND b.application_id = ".(int) $application_id : "")
.(!empty($search) ? " AND LOWER(a.name) LIKE ".$db->Quote('%'.$db->escape($search, true).'%', false) : "")
.(!empty($tag) ? " AND a.name = ".$db->Quote($tag) : "")
.($published == true ? " AND b.state = 1"
.(($type_id) ? " AND b.type = ".$db->Quote($type_id) : "")
.(($category_id) ? " AND c.category_id ".(is_array($category_id) ? " IN (".implode(",", $category_id).")" : " = ".(int) $category_id) : "")
." AND (b.publish_up = ".$null." OR b.publish_up <= ".$now.")"
." AND (b.publish_down = ".$null." OR b.publish_down >= ".$now.")": "")
." GROUP BY a.name"
.($orderby ? " ORDER BY ".$orderby : "")
.($limit ? " LIMIT ".(int) $offset.",".(int) $limit : "");
return $db->queryObjectList($query);
}
/*
Function: count
Returns number of tags of an application
Returns:
int
*/
public function count($application_id = 0, $search = "") {
// get database
$db = $this->database;
$select = 'DISTINCT a.name';
$from = $this->name." AS a, ".ZOO_TABLE_ITEM." AS b USE INDEX (ID_APPLICATION_INDEX)";
$conditions = array("a.item_id = b.id AND b.application_id = ".(int) $application_id.(!empty($search) ? " AND LOWER(a.name) LIKE ".$db->Quote('%'.$db->escape($search, true).'%', false) : ""));
$options = compact('select', 'from', 'conditions');
return parent::count($options);
}
/*
Function: getItemTags
Method to retrieve all tags of an item.
Parameters:
$item_id - Item id
Returns:
Array - Array of tags
*/
public function getItemTags($item_id){
$query = "SELECT name"
." FROM ".$this->name
." WHERE item_id = ".(int) $item_id;
return $this->database->queryResultArray($query);
}
/*
Function: save
Save tags.
Parameters:
$item - Item object
*/
public function save($item) {
// get database
$db = $this->database;
// insert new item tags
$tags = (array) $item->getTags();
// delete old item tags
$query = "DELETE FROM ".$this->name
." WHERE item_id = ".(int) $item->id;
$db->query($query);
if (count($tags)) {
// remove duplicates case insensitive
$tags = array_intersect_key($tags, array_unique(array_map('strtolower',$tags)));
foreach ($tags as $tag) {
$tag = str_replace(array('.', '/'), '_', $tag);
$values[] = sprintf("(%s, %s)", (int) $item->id, $db->Quote($tag));
}
$query = "INSERT INTO ".$this->name
." VALUES ".implode(", ", $values);
$db->query($query);
}
// trigger deleted event
$this->app->event->dispatcher->notify($this->app->event->create($tags, 'tag:saved', compact('item')));
}
/*
Function: update
Update tags.
*/
public function update($application_id, $old, $new) {
// replace .'s with _'s
$new = str_replace('.', '_', $new);
// get database
$db = $this->database;
// get item ids
$query = "SELECT DISTINCT a.item_id FROM ".$this->name." AS a"
." LEFT JOIN ".ZOO_TABLE_ITEM." AS b USE INDEX (ID_APPLICATION_INDEX) ON a.item_id = b.id"
." WHERE (a.name = ".$db->Quote($new)
." OR a.name = ".$db->Quote($old).")"
." AND b.application_id = ".(int) $application_id;
$ids = $db->queryResultArray($query);
if (count($ids)) {
// remove all item tags which have the new and the old tag
$this->delete(array($new, $old), $application_id);
foreach ($ids as $id) {
$values[] = sprintf("(%s, %s)", (int) $id, $db->Quote($new));
}
// insert new values
$query = "INSERT ".$this->name
." VALUES ".implode(", ", $values);
$db->query($query);
}
}
/*
Function: delete
Delete tags.
Returns:
Boolean.
*/
public function delete($tags, $application_id = 0) {
if (empty($tags) || $application_id == 0) {
return true;
}
$tags = (array) $tags;
$quoted_tags = array();
foreach ($tags as $tag) {
$quoted_tags[] = $this->database->Quote($tag);
}
// delete item tags
$query = "DELETE a"
." FROM ".$this->name." AS a, ".ZOO_TABLE_ITEM." AS b USE INDEX (ID_APPLICATION_INDEX)"
." WHERE a.item_id = b.id AND b.application_id = ".(int) $application_id
." AND a.name IN (".implode(",", $quoted_tags).")";
$result = $this->database->query($query);
// trigger deleted event
$this->app->event->dispatcher->notify($this->app->event->create($tags, 'tag:deleted', array('application' => $this->app->table->application->get($application_id))));
return $result;
}
}
/*
Class: TagTableException
*/
class TagTableException extends AppException {}