| 1 | <?php |
| 2 | /* |
| 3 | * $Id: Self.php 1434 2007-05-22 15:57:17Z zYne $ |
| 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.org>. |
| 20 | */ |
| 21 | Doctrine::autoload('Doctrine_Relation_Association'); |
| 22 | /** |
| 23 | * Doctrine_Relation_Association_Self |
| 24 | * |
| 25 | * @package Doctrine |
| 26 | * @subpackage Relation |
| 27 | * @license http://www.opensource.org/licenses/lgpl-license.php LGPL |
| 28 | * @link www.phpdoctrine.org |
| 29 | * @since 1.0 |
| 30 | * @version $Revision: 1434 $ |
| 31 | * @author Konsta Vesterinen <kvesteri@cc.hut.fi> |
| 32 | */ |
| 33 | class Doctrine_Relation_Nest extends Doctrine_Relation_Association |
| 34 | { |
| 35 | /** |
| 36 | * getRelationDql |
| 37 | * |
| 38 | * @param integer $count |
| 39 | * @return string |
| 40 | */ |
| 41 | public function getRelationDql($count, $context = 'record') |
| 42 | { |
| 43 | switch ($context) { |
| 44 | case 'record': |
| 45 | $identifierColumnNames = $this->definition['table']->getIdentifierColumnNames(); |
| 46 | $identifier = array_pop($identifierColumnNames); |
| 47 | $sub = 'SELECT '.$this->definition['foreign'] |
| 48 | . ' FROM '.$this->definition['refTable']->getTableName() |
| 49 | . ' WHERE '.$this->definition['local'] |
| 50 | . ' = ?'; |
| 51 | |
| 52 | $sub2 = 'SELECT '.$this->definition['local'] |
| 53 | . ' FROM '.$this->definition['refTable']->getTableName() |
| 54 | . ' WHERE '.$this->definition['foreign'] |
| 55 | . ' = ?'; |
| 56 | |
| 57 | $dql = 'FROM ' . $this->definition['table']->getComponentName() |
| 58 | . '.' . $this->definition['refTable']->getComponentName() |
| 59 | . ' WHERE ' . $this->definition['table']->getComponentName() |
| 60 | . '.' . $identifier |
| 61 | . ' IN (' . $sub . ')' |
| 62 | . ' || ' . $this->definition['table']->getComponentName() |
| 63 | . '.' . $identifier |
| 64 | . ' IN (' . $sub2 . ')'; |
| 65 | break; |
| 66 | case 'collection': |
| 67 | $sub = substr(str_repeat('?, ', $count),0,-2); |
| 68 | $dql = 'FROM '.$this->definition['refTable']->getComponentName() |
| 69 | . '.' . $this->definition['table']->getComponentName() |
| 70 | . ' WHERE '.$this->definition['refTable']->getComponentName() |
| 71 | . '.' . $this->definition['local'] . ' IN (' . $sub . ')'; |
| 72 | }; |
| 73 | |
| 74 | return $dql; |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | public function fetchRelatedFor(Doctrine_Record $record) |
| 79 | { |
| 80 | $id = $record->getIncremented(); |
| 81 | |
| 82 | if (empty($id) || ! $this->definition['table']->getAttribute(Doctrine::ATTR_LOAD_REFERENCES)) { |
| 83 | return new Doctrine_Collection($this->getTable()); |
| 84 | } else { |
| 85 | $q = new Doctrine_Query(); |
| 86 | |
| 87 | $c = $this->getTable()->getComponentName(); |
| 88 | $a = substr($c, 0, 1); |
| 89 | $c2 = $this->getAssociationTable()->getComponentName(); |
| 90 | $a2 = substr($c2, 0, 1); |
| 91 | |
| 92 | $q->from($c) |
| 93 | ->innerJoin($c . '.' . $c2) |
| 94 | |
| 95 | $sub = 'SELECT ' . $this->getForeign() |
| 96 | . ' FROM ' . $c2 |
| 97 | . ' WHERE ' . $this->getLocal() |
| 98 | . ' = ?'; |
| 99 | } |
| 100 | } |
| 101 | */ |
| 102 | |
| 103 | public function fetchRelatedFor(Doctrine_Record $record) |
| 104 | { |
| 105 | $id = $record->getIncremented(); |
| 106 | |
| 107 | |
| 108 | if (empty($id) || ! $this->definition['table']->getAttribute(Doctrine::ATTR_LOAD_REFERENCES)) { |
| 109 | return new Doctrine_Collection($this->getTable()); |
| 110 | } else { |
| 111 | $q = new Doctrine_RawSql($this->getTable()->getConnection()); |
| 112 | |
| 113 | $assocTable = $this->getAssociationFactory()->getTableName(); |
| 114 | $tableName = $record->getTable()->getTableName(); |
| 115 | $identifierColumnNames = $record->getTable()->getIdentifierColumnNames(); |
| 116 | $identifier = array_pop($identifierColumnNames); |
| 117 | |
| 118 | $sub = 'SELECT ' . $this->getForeign() |
| 119 | . ' FROM ' . $assocTable |
| 120 | . ' WHERE ' . $this->getLocal() |
| 121 | . ' = ?'; |
| 122 | |
| 123 | $condition[] = $tableName . '.' . $identifier . ' IN (' . $sub . ')'; |
| 124 | $joinCondition[] = $tableName . '.' . $identifier . ' = ' . $assocTable . '.' . $this->getForeign(); |
| 125 | |
| 126 | if ($this->definition['equal']) { |
| 127 | $sub2 = 'SELECT ' . $this->getLocal() |
| 128 | . ' FROM ' . $assocTable |
| 129 | . ' WHERE ' . $this->getForeign() |
| 130 | . ' = ?'; |
| 131 | |
| 132 | $condition[] = $tableName . '.' . $identifier . ' IN (' . $sub2 . ')'; |
| 133 | $joinCondition[] = $tableName . '.' . $identifier . ' = ' . $assocTable . '.' . $this->getLocal(); |
| 134 | } |
| 135 | $q->select('{'.$tableName.'.*}, {'.$assocTable.'.*}') |
| 136 | ->from($tableName . ' INNER JOIN ' . $assocTable . ' ON ' . implode(' OR ', $joinCondition)) |
| 137 | ->where(implode(' OR ', $condition)); |
| 138 | $q->addComponent($tableName, $record->getTable()->getComponentName()); |
| 139 | $q->addComponent($assocTable, $record->getTable()->getComponentName(). '.' . $this->getAssociationFactory()->getComponentName()); |
| 140 | |
| 141 | $params = ($this->definition['equal']) ? array($id, $id) : array($id); |
| 142 | |
| 143 | return $q->execute($params); |
| 144 | } |
| 145 | } |
| 146 | } |