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FSearch.php
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FSearch.php
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<?php
/*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* The FSearch plugin provides MySQL full-text search capabilities.
*
* @package frog
* @subpackage plugin.fsearch
*
* @author Andrew Crookston <andrew@casystems.se>
* @version 0.1.0
* @since Frog version 0.9.5
* @license http://www.gnu.org/licenses/gpl.html GPL License
* @copyright Andrew Crookston, 2009
*/
/**
* class FSearch
*
* MySQL full-text search for page-parts and titles.
*
* @author Andrew Crookston <andrew@casystems.se>
* @since Frog version 0.9.5
*/
class FSearch extends Record {
const TABLE_NAME = 'page';
/**
* class FSearch
*
* Search and retrieves Page objects.
*
* @author Andrew Crookston <andrew@casystems.se>
* @since Frog version 0.9.5
* @return Array of Page objects or empty Array
*/
public static function search($args = null) {
// Collect attributes...
$where = isset($args['where']) ? trim($args['where']) : '';
$search = isset($args['search']) ? trim($args['search']) : '';
$order_by = isset($args['order']) ? trim($args['order']) : '';
$offset = isset($args['offset']) ? (int) $args['offset'] : 0;
$limit = isset($args['limit']) ? (int) $args['limit'] : 0;
// Prepare query parts
$order_by_string = empty($order_by) ? '' : "ORDER BY $order_by";
$limit_string = $limit > 0 ? "LIMIT $offset, $limit" : '';
// Prepare the WHERE string (It's WHERE all the magic happens) ;)
$where_string = empty($where) ? 'WHERE ' : "WHERE $where AND "; // Allow custom queries
$where_string .= "(page.is_fsearchable = 1 AND page_part.name = 'body' AND page.needs_login = 2 " // Security
. ' AND MATCH (page_part.content_fsearchable) AGAINST (\''.(string)$search.'\'))'; // full text
$tablename = self::tableNameFromClassName('FSearch');
$tablename_user = self::tableNameFromClassName('User');
$tablename_part = self::tableNameFromClassName('PagePart');
// Prepare SQL
$sql = "SELECT page.*, creator.name AS created_by_name, updator.name AS updated_by_name FROM $tablename AS page".
" LEFT JOIN $tablename_user AS creator ON page.created_by_id = creator.id".
" LEFT JOIN $tablename_user AS updator ON page.updated_by_id = updator.id".
" LEFT JOIN $tablename_part AS page_part ON page.id = page_part.page_id".
" $where_string $order_by_string $limit_string";
$stmt = self::$__CONN__->prepare($sql);
$stmt->execute();
$objects = array();
while ($obj = $stmt->fetchObject()) {
$parent = self::findParentById($obj->parent_id);
$obj->part = get_parts($obj->id);
$objects[] = new Page($obj, $parent);
}
return $objects;
}
/**
* method findPage
*
* This method a copy of model Page::find
* It's a copy because the model Page is not publicly available in the front-end.
* Some modifications are done to adapt the method to the front-end environment.
*
* @author Philippe Archambault <philippe.archambault@gmail.com>
* @author Martijn van der Kleijn <martijn.niji@gmail.com>
* @since Frog version 0.1
*/
public static function find($args) {
// Collect attributes...
$where = isset($args['where']) ? trim($args['where']) : '';
$order_by = isset($args['order']) ? trim($args['order']) : '';
$offset = isset($args['offset']) ? (int) $args['offset'] : 0;
$limit = isset($args['limit']) ? (int) $args['limit'] : 0;
// Prepare query parts
$where_string = empty($where) ? '' : "WHERE $where";
$order_by_string = empty($order_by) ? '' : "ORDER BY $order_by";
$limit_string = $limit > 0 ? "LIMIT $offset, $limit" : '';
$tablename = self::tableNameFromClassName('FSearch');
$tablename_user = self::tableNameFromClassName('User');
// Prepare SQL
$sql = "SELECT page.*, creator.name AS created_by_name, updator.name AS updated_by_name FROM $tablename AS page".
" LEFT JOIN $tablename_user AS creator ON page.created_by_id = creator.id".
" LEFT JOIN $tablename_user AS updator ON page.updated_by_id = updator.id".
" $where_string $order_by_string $limit_string";
$stmt = self::$__CONN__->prepare($sql);
$stmt->execute();
if ($limit == 1) {
$obj = $stmt->fetchObject();
$parent = self::findParentById($obj->parent_id);
return new Page($obj, $parent);
} else {
$objects = array();
while ($obj = $stmt->fetchObject()) {
$parent = self::findParentById($obj->parent_id);
$objects[] = new Page($obj, $parent);
}
return $objects;
}
}
/**
* method findById
*
* This method a copy of model Page::findById
* It's a copy because the model Page is not publicly available in the front-end.
*
* @author Philippe Archambault <philippe.archambault@gmail.com>
* @author Martijn van der Kleijn <martijn.niji@gmail.com>
* @since Frog version 0.1
*/
public static function findById($id) {
return self::find(array(
'where' => 'page.id='.(int)$id,
'limit' => 1
));
}
/**
* method findParentById
*
* Methods finds the parent.
* Will return false if id == 0 since there is no parent for page id 0
*
* @author Andrew Crookston <andrew@casystems.se>
* @since Frog version 0.9.5
*/
public static function findParentById($id) {
if ($id == 0) { return false; }
return self::find(array(
'where' => 'page.id='.(int)$id,
'limit' => 1
));
}
}