| 1 | <?php |
| 2 | /* |
| 3 | * $Id$ |
| 4 | * |
| 5 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 6 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 7 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 8 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 9 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 10 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 11 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 12 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 13 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 14 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 15 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 16 | * |
| 17 | * This software consists of voluntary contributions made by many individuals |
| 18 | * and is licensed under the LGPL. For more information, see |
| 19 | * <http://www.phpdoctrine.com>. |
| 20 | */ |
| 21 | |
| 22 | /** |
| 23 | * Doctrine_Search |
| 24 | * |
| 25 | * @package Doctrine |
| 26 | * @subpackage Search |
| 27 | * @author Konsta Vesterinen <kvesteri@cc.hut.fi> |
| 28 | * @license http://www.opensource.org/licenses/lgpl-license.php LGPL |
| 29 | * @version $Revision$ |
| 30 | * @link www.phpdoctrine.com |
| 31 | * @since 1.0 |
| 32 | */ |
| 33 | class Doctrine_Search extends Doctrine_Plugin |
| 34 | { |
| 35 | protected $_options = array('generateFiles' => false, |
| 36 | 'className' => '%CLASS%Index', |
| 37 | 'generatePath' => false, |
| 38 | 'batchUpdates' => false, |
| 39 | 'pluginTable' => false); |
| 40 | |
| 41 | |
| 42 | public function __construct(array $options) |
| 43 | { |
| 44 | $this->_options = array_merge($this->_options, $options); |
| 45 | |
| 46 | if ( ! isset($this->_options['analyzer'])) { |
| 47 | $this->_options['analyzer'] = new Doctrine_Search_Analyzer_Standard(); |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | |
| 52 | public function analyze($text) |
| 53 | { |
| 54 | return $this->_options['analyzer']->analyze($text); |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * updateIndex |
| 59 | * updates the index |
| 60 | * |
| 61 | * @param Doctrine_Record $record |
| 62 | * @return integer |
| 63 | */ |
| 64 | public function updateIndex(Doctrine_Record $record) |
| 65 | { |
| 66 | $fields = $this->getOption('fields'); |
| 67 | $class = $this->getOption('className'); |
| 68 | $name = $record->getTable()->getComponentName(); |
| 69 | |
| 70 | if ($this->_options['batchUpdates'] === true) { |
| 71 | |
| 72 | $conn = $record->getTable()->getConnection(); |
| 73 | |
| 74 | $index = new $class(); |
| 75 | foreach ($record->identifier() as $id => $value) { |
| 76 | $index->$id = $value; |
| 77 | } |
| 78 | |
| 79 | $index->save(); |
| 80 | } else { |
| 81 | foreach ($fields as $field) { |
| 82 | $data = $record->get($field); |
| 83 | |
| 84 | $terms = $this->analyze($data); |
| 85 | |
| 86 | foreach ($terms as $pos => $term) { |
| 87 | $index = new $class(); |
| 88 | |
| 89 | $index->keyword = $term; |
| 90 | $index->position = $pos; |
| 91 | $index->field = $field; |
| 92 | $index->$name = $record; |
| 93 | |
| 94 | $index->save(); |
| 95 | } |
| 96 | } |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | public function processPending($limit = null, $offset = null) |
| 101 | { |
| 102 | $conn = $this->_options['ownerTable']->getConnection(); |
| 103 | $tableName = $this->_options['ownerTable']->getTableName(); |
| 104 | $component = $this->_options['ownerTable']->getComponentName(); |
| 105 | $id = $this->_options['ownerTable']->getIdentifier(); |
| 106 | $class = $this->getOption('className'); |
| 107 | $fields = $this->getOption('fields'); |
| 108 | |
| 109 | try { |
| 110 | |
| 111 | $conn->beginTransaction(); |
| 112 | |
| 113 | $query = 'SELECT * FROM ' . $conn->quoteIdentifier($tableName) |
| 114 | . ' WHERE ' . $conn->quoteIdentifier($id) |
| 115 | . ' IN (SELECT ' . $conn->quoteIdentifier($id) |
| 116 | . ' FROM ' . $conn->quoteIdentifier($this->_options['pluginTable']->getTableName()) |
| 117 | . ' WHERE keyword IS NULL)'; |
| 118 | |
| 119 | $rows = $conn->fetchAll($query); |
| 120 | |
| 121 | foreach ($rows as $row) { |
| 122 | foreach ($fields as $field) { |
| 123 | $data = $row[$field]; |
| 124 | |
| 125 | $terms = $this->analyze($data); |
| 126 | |
| 127 | foreach ($terms as $pos => $term) { |
| 128 | $index = new $class(); |
| 129 | |
| 130 | $index->keyword = $term; |
| 131 | $index->position = $pos; |
| 132 | $index->field = $field; |
| 133 | |
| 134 | foreach ((array) $this->_options['ownerTable']->getIdentifier() as $id) { |
| 135 | $index->$id = $row[$id]; |
| 136 | } |
| 137 | |
| 138 | $index->save(); |
| 139 | } |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | $conn->commit(); |
| 144 | } catch (Doctrine_Exception $e) { |
| 145 | $conn->rollback(); |
| 146 | } |
| 147 | } |
| 148 | /** |
| 149 | * insertPending |
| 150 | * |
| 151 | * @return integer |
| 152 | */ |
| 153 | public function insertPending($indexTableName, $id, $conn = null) |
| 154 | { |
| 155 | if ( ! ($conn instanceof Doctrine_Connection)) { |
| 156 | $conn = Doctrine_Manager::connection(); |
| 157 | } |
| 158 | |
| 159 | $conn->insert($indexTableName, array('foreign_id' => $id)); |
| 160 | } |
| 161 | public function buildDefinition(Doctrine_Table $table) |
| 162 | { |
| 163 | $name = $table->getComponentName(); |
| 164 | |
| 165 | $className = $this->getOption('className'); |
| 166 | |
| 167 | $this->_options['ownerTable'] = $table; |
| 168 | |
| 169 | if (class_exists($className)) { |
| 170 | return false; |
| 171 | } |
| 172 | |
| 173 | $columns = array('keyword' => array('type' => 'string', |
| 174 | 'length' => 200, |
| 175 | 'primary' => true, |
| 176 | ), |
| 177 | 'field' => array('type' => 'string', |
| 178 | 'length' => 50, |
| 179 | 'primary' => true), |
| 180 | 'position' => array('type' => 'integer', |
| 181 | 'length' => 8, |
| 182 | 'primary' => true, |
| 183 | )); |
| 184 | |
| 185 | $id = $table->getIdentifier(); |
| 186 | |
| 187 | $options = array('className' => $className); |
| 188 | |
| 189 | $fk = $this->generateForeignKeys($table); |
| 190 | $columns += $fk; |
| 191 | |
| 192 | $relations = $this->generateRelation($table, $fk); |
| 193 | |
| 194 | $this->generateClass($options, $columns, $relations); |
| 195 | |
| 196 | $this->_options['pluginTable'] = $table->getConnection()->getTable($this->_options['className']); |
| 197 | |
| 198 | return true; |
| 199 | } |
| 200 | } |