cake/libs/model/model.php

1 <?php
2 /**
3 * Object-relational mapper.
4 *
5 * DBO-backed object data model, for mapping database tables to Cake objects.
6 *
7 * PHP versions 5
8 *
9 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
10 * Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
11 *
12 * Licensed under The MIT License
13 * Redistributions of files must retain the above copyright notice.
14 *
15 * @copyright Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
16 * @link http://cakephp.org CakePHP(tm) Project
17 * @package cake
18 * @subpackage cake.cake.libs.model
19 * @since CakePHP(tm) v 0.10.0.0
20 * @license MIT License (http://www.opensource.org/licenses/mit-license.php)
21 */
22  
23 /**
24 * Included libs
25 */
26 App::import('Core', array('ClassRegistry', 'Validation', 'Set', 'String'));
27 App::import('Model', 'ModelBehavior', false);
28 App::import('Model', 'ConnectionManager', false);
29  
30 if (!class_exists('Overloadable')) {
31 require LIBS . 'overloadable.php';
32 }
33  
34 /**
35 * Object-relational mapper.
36 *
37 * DBO-backed object data model.
38 * Automatically selects a database table name based on a pluralized lowercase object class name
39 * (i.e. class 'User' => table 'users'; class 'Man' => table 'men')
40 * The table is required to have at least 'id auto_increment' primary key.
41 *
42 * @package cake
43 * @subpackage cake.cake.libs.model
44 * @link http://book.cakephp.org/view/1000/Models
45 */
46 class Model extends Overloadable {
47  
48 /**
49 * The name of the DataSource connection that this Model uses
50 *
51 * @var string
52 * @access public
53 * @link http://book.cakephp.org/view/1057/Model-Attributes#useDbConfig-1058
54 */
55 var $useDbConfig = 'default';
56  
57 /**
58 * Custom database table name, or null/false if no table association is desired.
59 *
60 * @var string
61 * @access public
62 * @link http://book.cakephp.org/view/1057/Model-Attributes#useTable-1059
63 */
64 var $useTable = null;
65  
66 /**
67 * Custom display field name. Display fields are used by Scaffold, in SELECT boxes' OPTION elements.
68 *
69 * @var string
70 * @access public
71 * @link http://book.cakephp.org/view/1057/Model-Attributes#displayField-1062
72 */
73 var $displayField = null;
74  
75 /**
76 * Value of the primary key ID of the record that this model is currently pointing to.
77 * Automatically set after database insertions.
78 *
79 * @var mixed
80 * @access public
81 */
82 var $id = false;
83  
84 /**
85 * Container for the data that this model gets from persistent storage (usually, a database).
86 *
87 * @var array
88 * @access public
89 * @link http://book.cakephp.org/view/1057/Model-Attributes#data-1065
90 */
91 var $data = array();
92  
93 /**
94 * Table name for this Model.
95 *
96 * @var string
97 * @access public
98 */
99 var $table = false;
100  
101 /**
102 * The name of the primary key field for this model.
103 *
104 * @var string
105 * @access public
106 * @link http://book.cakephp.org/view/1057/Model-Attributes#primaryKey-1061
107 */
108 var $primaryKey = null;
109  
110 /**
111 * Field-by-field table metadata.
112 *
113 * @var array
114 * @access protected
115 * @link http://book.cakephp.org/view/1057/Model-Attributes#_schema-1066
116 */
117 var $_schema = null;
118  
119 /**
120 * List of validation rules. Append entries for validation as ('field_name' => '/^perl_compat_regexp$/')
121 * that have to match with preg_match(). Use these rules with Model::validate()
122 *
123 * @var array
124 * @access public
125 * @link http://book.cakephp.org/view/1057/Model-Attributes#validate-1067
126 * @link http://book.cakephp.org/view/1143/Data-Validation
127 */
128 var $validate = array();
129  
130 /**
131 * List of validation errors.
132 *
133 * @var array
134 * @access public
135 * @link http://book.cakephp.org/view/1182/Validating-Data-from-the-Controller
136 */
137 var $validationErrors = array();
138  
139 /**
140 * Database table prefix for tables in model.
141 *
142 * @var string
143 * @access public
144 * @link http://book.cakephp.org/view/1057/Model-Attributes#tablePrefix-1060
145 */
146 var $tablePrefix = null;
147  
148 /**
149 * Name of the model.
150 *
151 * @var string
152 * @access public
153 * @link http://book.cakephp.org/view/1057/Model-Attributes#name-1068
154 */
155 var $name = null;
156  
157 /**
158 * Alias name for model.
159 *
160 * @var string
161 * @access public
162 */
163 var $alias = null;
164  
165 /**
166 * List of table names included in the model description. Used for associations.
167 *
168 * @var array
169 * @access public
170 */
171 var $tableToModel = array();
172  
173 /**
174 * Whether or not to log transactions for this model.
175 *
176 * @var boolean
177 * @access public
178 */
179 var $logTransactions = false;
180  
181 /**
182 * Whether or not to cache queries for this model. This enables in-memory
183 * caching only, the results are not stored beyond the current request.
184 *
185 * @var boolean
186 * @access public
187 * @link http://book.cakephp.org/view/1057/Model-Attributes#cacheQueries-1069
188 */
189 var $cacheQueries = false;
190  
191 /**
192 * Detailed list of belongsTo associations.
193 *
194 * @var array
195 * @access public
196 * @link http://book.cakephp.org/view/1042/belongsTo
197 */
198 var $belongsTo = array();
199  
200 /**
201 * Detailed list of hasOne associations.
202 *
203 * @var array
204 * @access public
205 * @link http://book.cakephp.org/view/1041/hasOne
206 */
207 var $hasOne = array();
208  
209 /**
210 * Detailed list of hasMany associations.
211 *
212 * @var array
213 * @access public
214 * @link http://book.cakephp.org/view/1043/hasMany
215 */
216 var $hasMany = array();
217  
218 /**
219 * Detailed list of hasAndBelongsToMany associations.
220 *
221 * @var array
222 * @access public
223 * @link http://book.cakephp.org/view/1044/hasAndBelongsToMany-HABTM
224 */
225 var $hasAndBelongsToMany = array();
226  
227 /**
228 * List of behaviors to load when the model object is initialized. Settings can be
229 * passed to behaviors by using the behavior name as index. Eg:
230 *
231 * var $actsAs = array('Translate', 'MyBehavior' => array('setting1' => 'value1'))
232 *
233 * @var array
234 * @access public
235 * @link http://book.cakephp.org/view/1072/Using-Behaviors
236 */
237 var $actsAs = null;
238  
239 /**
240 * Holds the Behavior objects currently bound to this model.
241 *
242 * @var BehaviorCollection
243 * @access public
244 */
245 var $Behaviors = null;
246  
247 /**
248 * Whitelist of fields allowed to be saved.
249 *
250 * @var array
251 * @access public
252 */
253 var $whitelist = array();
254  
255 /**
256 * Whether or not to cache sources for this model.
257 *
258 * @var boolean
259 * @access public
260 */
261 var $cacheSources = true;
262  
263 /**
264 * Type of find query currently executing.
265 *
266 * @var string
267 * @access public
268 */
269 var $findQueryType = null;
270  
271 /**
272 * Number of associations to recurse through during find calls. Fetches only
273 * the first level by default.
274 *
275 * @var integer
276 * @access public
277 * @link http://book.cakephp.org/view/1057/Model-Attributes#recursive-1063
278 */
279 var $recursive = 1;
280  
281 /**
282 * The column name(s) and direction(s) to order find results by default.
283 *
284 * var $order = "Post.created DESC";
285 * var $order = array("Post.view_count DESC", "Post.rating DESC");
286 *
287 * @var string
288 * @access public
289 * @link http://book.cakephp.org/view/1057/Model-Attributes#order-1064
290 */
291 var $order = null;
292  
293 /**
294 * Array of virtual fields this model has. Virtual fields are aliased
295 * SQL expressions. Fields added to this property will be read as other fields in a model
296 * but will not be saveable.
297 *
298 * `var $virtualFields = array('two' => '1 + 1');`
299 *
300 * Is a simplistic example of how to set virtualFields
301 *
302 * @var array
303 * @access public
304 */
305 var $virtualFields = array();
306  
307 /**
308 * Default list of association keys.
309 *
310 * @var array
311 * @access private
312 */
313 var $__associationKeys = array(
314 'belongsTo' => array('className', 'foreignKey', 'conditions', 'fields', 'order', 'counterCache'),
315 'hasOne' => array('className', 'foreignKey','conditions', 'fields','order', 'dependent'),
316 'hasMany' => array('className', 'foreignKey', 'conditions', 'fields', 'order', 'limit', 'offset', 'dependent', 'exclusive', 'finderQuery', 'counterQuery'),
317 'hasAndBelongsToMany' => array('className', 'joinTable', 'with', 'foreignKey', 'associationForeignKey', 'conditions', 'fields', 'order', 'limit', 'offset', 'unique', 'finderQuery', 'deleteQuery', 'insertQuery')
318 );
319  
320 /**
321 * Holds provided/generated association key names and other data for all associations.
322 *
323 * @var array
324 * @access private
325 */
326 var $__associations = array('belongsTo', 'hasOne', 'hasMany', 'hasAndBelongsToMany');
327  
328 /**
329 * Holds model associations temporarily to allow for dynamic (un)binding.
330 *
331 * @var array
332 * @access private
333 */
334 var $__backAssociation = array();
335  
336 /**
337 * The ID of the model record that was last inserted.
338 *
339 * @var integer
340 * @access private
341 */
342 var $__insertID = null;
343  
344 /**
345 * The number of records returned by the last query.
346 *
347 * @var integer
348 * @access private
349 */
350 var $__numRows = null;
351  
352 /**
353 * The number of records affected by the last query.
354 *
355 * @var integer
356 * @access private
357 */
358 var $__affectedRows = null;
359  
360 /**
361 * List of valid finder method options, supplied as the first parameter to find().
362 *
363 * @var array
364 * @access protected
365 */
366 var $_findMethods = array(
367 'all' => true, 'first' => true, 'count' => true,
368 'neighbors' => true, 'list' => true, 'threaded' => true
369 );
370  
371 /**
372 * Constructor. Binds the model's database table to the object.
373 *
374 * If `$id` is an array it can be used to pass several options into the model.
375 *
376 * - id - The id to start the model on.
377 * - table - The table to use for this model.
378 * - ds - The connection name this model is connected to.
379 * - name - The name of the model eg. Post.
380 * - alias - The alias of the model, this is used for registering the instance in the `ClassRegistry`.
381 * eg. `ParentThread`
382 *
383 * ### Overriding Model's __construct method.
384 *
385 * When overriding Model::__construct() be careful to include and pass in all 3 of the
386 * arguments to `parent::__construct($id, $table, $ds);`
387 *
388 * ### Dynamically creating models
389 *
390 * You can dynamically create model instances using the $id array syntax.
391 *
392 * {{{
393 * $Post = new Model(array('table' => 'posts', 'name' => 'Post', 'ds' => 'connection2'));
394 * }}}
395 *
396 * Would create a model attached to the posts table on connection2. Dynamic model creation is useful
397 * when you want a model object that contains no associations or attached behaviors.
398 *
399 * @param mixed $id Set this ID for this model on startup, can also be an array of options, see above.
400 * @param string $table Name of database table to use.
401 * @param string $ds DataSource connection name.
402 */
403 function __construct($id = false, $table = null, $ds = null) {
404 parent::__construct();
405  
406 if (is_array($id)) {
407 extract(array_merge(
408 array(
409 'id' => $this->id, 'table' => $this->useTable, 'ds' => $this->useDbConfig,
410 'name' => $this->name, 'alias' => $this->alias
411 ),
412 $id
413 ));
414 }
415  
416 if ($this->name === null) {
417 $this->name = (isset($name) ? $name : get_class($this));
418 }
419  
420 if ($this->alias === null) {
421 $this->alias = (isset($alias) ? $alias : $this->name);
422 }
423  
424 if ($this->primaryKey === null) {
425 $this->primaryKey = 'id';
426 }
427  
428 ClassRegistry::addObject($this->alias, $this);
429  
430 $this->id = $id;
431 unset($id);
432  
433 if ($table === false) {
434 $this->useTable = false;
435 } elseif ($table) {
436 $this->useTable = $table;
437 }
438  
439 if ($ds !== null) {
440 $this->useDbConfig = $ds;
441 }
442  
443 if (is_subclass_of($this, 'AppModel')) {
444 $appVars = get_class_vars('AppModel');
445 $merge = array('_findMethods');
446  
447 if ($this->actsAs !== null || $this->actsAs !== false) {
448 $merge[] = 'actsAs';
449 }
450 $parentClass = get_parent_class($this);
451 if (strtolower($parentClass) !== 'appmodel') {
452 $parentVars = get_class_vars($parentClass);
453 foreach ($merge as $var) {
454 if (isset($parentVars[$var]) && !empty($parentVars[$var])) {
455 $appVars[$var] = Set::merge($appVars[$var], $parentVars[$var]);
456 }
457 }
458 }
459  
460 foreach ($merge as $var) {
461 if (isset($appVars[$var]) && !empty($appVars[$var]) && is_array($this->{$var})) {
462 $this->{$var} = Set::merge($appVars[$var], $this->{$var});
463 }
464 }
465 }
466 $this->Behaviors = new BehaviorCollection();
467  
468 if ($this->useTable !== false) {
469 $this->setDataSource($ds);
470  
471 if ($this->useTable === null) {
472 $this->useTable = Inflector::tableize($this->name);
473 }
474 $this->setSource($this->useTable);
475  
476 if ($this->displayField == null) {
477 $this->displayField = $this->hasField(array('title', 'name', $this->primaryKey));
478 }
479 } elseif ($this->table === false) {
480 $this->table = Inflector::tableize($this->name);
481 }
482 $this->__createLinks();
483 $this->Behaviors->init($this->alias, $this->actsAs);
484 }
485  
486 /**
487 * Handles custom method calls, like findBy<field> for DB models,
488 * and custom RPC calls for remote data sources.
489 *
490 * @param string $method Name of method to call.
491 * @param array $params Parameters for the method.
492 * @return mixed Whatever is returned by called method
493 * @access protected
494 */
495 function call__($method, $params) {
496 $result = $this->Behaviors->dispatchMethod($this, $method, $params);
497  
498 if ($result !== array('unhandled')) {
499 return $result;
500 }
501 $db =& ConnectionManager::getDataSource($this->useDbConfig);
502 $return = $db->query($method, $params, $this);
503  
504 if (!PHP5) {
505 $this->resetAssociations();
506 }
507 return $return;
508 }
509  
510 /**
511 * Bind model associations on the fly.
512 *
513 * If `$reset` is false, association will not be reset
514 * to the originals defined in the model
515 *
516 * Example: Add a new hasOne binding to the Profile model not
517 * defined in the model source code:
518 *
519 * `$this->User->bindModel( array('hasOne' => array('Profile')) );`
520 *
521 * Bindings that are not made permanent will be reset by the next Model::find() call on this
522 * model.
523 *
524 * @param array $params Set of bindings (indexed by binding type)
525 * @param boolean $reset Set to false to make the binding permanent
526 * @return boolean Success
527 * @access public
528 * @link http://book.cakephp.org/view/1045/Creating-and-Destroying-Associations-on-the-Fly
529 */
530 function bindModel($params, $reset = true) {
531 foreach ($params as $assoc => $model) {
532 if ($reset === true && !isset($this->__backAssociation[$assoc])) {
533 $this->__backAssociation[$assoc] = $this->{$assoc};
534 }
535 foreach ($model as $key => $value) {
536 $assocName = $key;
537  
538 if (is_numeric($key)) {
539 $assocName = $value;
540 $value = array();
541 }
542 $modelName = $assocName;
543 $this->{$assoc}[$assocName] = $value;
544  
545 if ($reset === false && isset($this->__backAssociation[$assoc])) {
546 $this->__backAssociation[$assoc][$assocName] = $value;
547 }
548 }
549 }
550 $this->__createLinks();
551 return true;
552 }
553  
554 /**
555 * Turn off associations on the fly.
556 *
557 * If $reset is false, association will not be reset
558 * to the originals defined in the model
559 *
560 * Example: Turn off the associated Model Support request,
561 * to temporarily lighten the User model:
562 *
563 * `$this->User->unbindModel( array('hasMany' => array('Supportrequest')) );`
564 *
565 * unbound models that are not made permanent will reset with the next call to Model::find()
566 *
567 * @param array $params Set of bindings to unbind (indexed by binding type)
568 * @param boolean $reset Set to false to make the unbinding permanent
569 * @return boolean Success
570 * @access public
571 * @link http://book.cakephp.org/view/1045/Creating-and-Destroying-Associations-on-the-Fly
572 */
573 function unbindModel($params, $reset = true) {
574 foreach ($params as $assoc => $models) {
575 if ($reset === true && !isset($this->__backAssociation[$assoc])) {
576 $this->__backAssociation[$assoc] = $this->{$assoc};
577 }
578 foreach ($models as $model) {
579 if ($reset === false && isset($this->__backAssociation[$assoc][$model])) {
580 unset($this->__backAssociation[$assoc][$model]);
581 }
582 unset($this->{$assoc}[$model]);
583 }
584 }
585 return true;
586 }
587  
588 /**
589 * Create a set of associations.
590 *
591 * @return void
592 * @access private
593 */
594 function __createLinks() {
595 foreach ($this->__associations as $type) {
596 if (!is_array($this->{$type})) {
597 $this->{$type} = explode(',', $this->{$type});
598  
599 foreach ($this->{$type} as $i => $className) {
600 $className = trim($className);
601 unset ($this->{$type}[$i]);
602 $this->{$type}[$className] = array();
603 }
604 }
605  
606 if (!empty($this->{$type})) {
607 foreach ($this->{$type} as $assoc => $value) {
608 $plugin = null;
609  
610 if (is_numeric($assoc)) {
611 unset ($this->{$type}[$assoc]);
612 $assoc = $value;
613 $value = array();
614 $this->{$type}[$assoc] = $value;
615  
616 if (strpos($assoc, '.') !== false) {
617 $value = $this->{$type}[$assoc];
618 unset($this->{$type}[$assoc]);
619 list($plugin, $assoc) = pluginSplit($assoc, true);
620 $this->{$type}[$assoc] = $value;
621 }
622 }
623 $className = $assoc;
624  
625 if (!empty($value['className'])) {
626 list($plugin, $className) = pluginSplit($value['className'], true);
627 $this->{$type}[$assoc]['className'] = $className;
628 }
629 $this->__constructLinkedModel($assoc, $plugin . $className);
630 }
631 $this->__generateAssociation($type);
632 }
633 }
634 }
635  
636 /**
637 * Private helper method to create associated models of a given class.
638 *
639 * @param string $assoc Association name
640 * @param string $className Class name
641 * @deprecated $this->$className use $this->$assoc instead. $assoc is the 'key' in the associations array;
642 * examples: var $hasMany = array('Assoc' => array('className' => 'ModelName'));
643 * usage: $this->Assoc->modelMethods();
644 *
645 * var $hasMany = array('ModelName');
646 * usage: $this->ModelName->modelMethods();
647 * @return void
648 * @access private
649 */
650 function __constructLinkedModel($assoc, $className = null) {
651 if (empty($className)) {
652 $className = $assoc;
653 }
654  
655 if (!isset($this->{$assoc}) || $this->{$assoc}->name !== $className) {
656 $model = array('class' => $className, 'alias' => $assoc);
657 if (PHP5) {
658 $this->{$assoc} = ClassRegistry::init($model);
659 } else {
660 $this->{$assoc} =& ClassRegistry::init($model);
661 }
662 if (strpos($className, '.') !== false) {
663 ClassRegistry::addObject($className, $this->{$assoc});
664 }
665 if ($assoc) {
666 $this->tableToModel[$this->{$assoc}->table] = $assoc;
667 }
668 }
669 }
670  
671 /**
672 * Build an array-based association from string.
673 *
674 * @param string $type 'belongsTo', 'hasOne', 'hasMany', 'hasAndBelongsToMany'
675 * @return void
676 * @access private
677 */
678 function __generateAssociation($type) {
679 foreach ($this->{$type} as $assocKey => $assocData) {
680 $class = $assocKey;
681 $dynamicWith = false;
682  
683 foreach ($this->__associationKeys[$type] as $key) {
684  
685 if (!isset($this->{$type}[$assocKey][$key]) || $this->{$type}[$assocKey][$key] === null) {
686 $data = '';
687  
688 switch ($key) {
689 case 'fields':
690 $data = '';
691 break;
692  
693 case 'foreignKey':
694 $data = (($type == 'belongsTo') ? Inflector::underscore($assocKey) : Inflector::singularize($this->table)) . '_id';
695 break;
696  
697 case 'associationForeignKey':
698 $data = Inflector::singularize($this->{$class}->table) . '_id';
699 break;
700  
701 case 'with':
702 $data = Inflector::camelize(Inflector::singularize($this->{$type}[$assocKey]['joinTable']));
703 $dynamicWith = true;
704 break;
705  
706 case 'joinTable':
707 $tables = array($this->table, $this->{$class}->table);
708 sort ($tables);
709 $data = $tables[0] . '_' . $tables[1];
710 break;
711  
712 case 'className':
713 $data = $class;
714 break;
715  
716 case 'unique':
717 $data = true;
718 break;
719 }
720 $this->{$type}[$assocKey][$key] = $data;
721 }
722 }
723  
724 if (!empty($this->{$type}[$assocKey]['with'])) {
725 $joinClass = $this->{$type}[$assocKey]['with'];
726 if (is_array($joinClass)) {
727 $joinClass = key($joinClass);
728 }
729  
730 $plugin = null;
731 if (strpos($joinClass, '.') !== false) {
732 list($plugin, $joinClass) = explode('.', $joinClass);
733 $plugin .= '.';
734 $this->{$type}[$assocKey]['with'] = $joinClass;
735 }
736  
737 if (!ClassRegistry::isKeySet($joinClass) && $dynamicWith === true) {
738 $this->{$joinClass} = new AppModel(array(
739 'name' => $joinClass,
740 'table' => $this->{$type}[$assocKey]['joinTable'],
741 'ds' => $this->useDbConfig
742 ));
743 } else {
744 $this->__constructLinkedModel($joinClass, $plugin . $joinClass);
745 $this->{$type}[$assocKey]['joinTable'] = $this->{$joinClass}->table;
746 }
747  
748 if (count($this->{$joinClass}->schema()) <= 2 && $this->{$joinClass}->primaryKey !== false) {
749 $this->{$joinClass}->primaryKey = $this->{$type}[$assocKey]['foreignKey'];
750 }
751 }
752 }
753 }
754  
755 /**
756 * Sets a custom table for your controller class. Used by your controller to select a database table.
757 *
758 * @param string $tableName Name of the custom table
759 * @return void
760 * @access public
761 */
762 function setSource($tableName) {
763 $this->setDataSource($this->useDbConfig);
764 $db =& ConnectionManager::getDataSource($this->useDbConfig);
765 $db->cacheSources = ($this->cacheSources && $db->cacheSources);
766  
767 if ($db->isInterfaceSupported('listSources')) {
768 $sources = $db->listSources();
769 if (is_array($sources) && !in_array(strtolower($this->tablePrefix . $tableName), array_map('strtolower', $sources))) {
770 return $this->cakeError('missingTable', array(array(
771 'className' => $this->alias,
772 'table' => $this->tablePrefix . $tableName,
773 'code' => 500
774 )));
775 }
776 $this->_schema = null;
777 }
778 $this->table = $this->useTable = $tableName;
779 $this->tableToModel[$this->table] = $this->alias;
780 $this->schema();
781 }
782  
783 /**
784 * This function does two things:
785 *
786 * 1. it scans the array $one for the primary key,
787 * and if that's found, it sets the current id to the value of $one[id].
788 * For all other keys than 'id' the keys and values of $one are copied to the 'data' property of this object.
789 * 2. Returns an array with all of $one's keys and values.
790 * (Alternative indata: two strings, which are mangled to
791 * a one-item, two-dimensional array using $one for a key and $two as its value.)
792 *
793 * @param mixed $one Array or string of data
794 * @param string $two Value string for the alternative indata method
795 * @return array Data with all of $one's keys and values
796 * @access public
797 * @link http://book.cakephp.org/view/1031/Saving-Your-Data
798 */
799 function set($one, $two = null) {
800 if (!$one) {
801 return;
802 }
803 if (is_object($one)) {
804 $one = Set::reverse($one);
805 }
806  
807 if (is_array($one)) {
808 $data = $one;
809 if (empty($one[$this->alias])) {
810 if ($this->getAssociated(key($one)) === null) {
811 $data = array($this->alias => $one);
812 }
813 }
814 } else {
815 $data = array($this->alias => array($one => $two));
816 }
817  
818 foreach ($data as $modelName => $fieldSet) {
819 if (is_array($fieldSet)) {
820  
821 foreach ($fieldSet as $fieldName => $fieldValue) {
822 if (isset($this->validationErrors[$fieldName])) {
823 unset ($this->validationErrors[$fieldName]);
824 }
825  
826 if ($modelName === $this->alias) {
827 if ($fieldName === $this->primaryKey) {
828 $this->id = $fieldValue;
829 }
830 }
831 if (is_array($fieldValue) || is_object($fieldValue)) {
832 $fieldValue = $this->deconstruct($fieldName, $fieldValue);
833 }
834 $this->data[$modelName][$fieldName] = $fieldValue;
835 }
836 }
837 }
838 return $data;
839 }
840  
841 /**
842 * Deconstructs a complex data type (array or object) into a single field value.
843 *
844 * @param string $field The name of the field to be deconstructed
845 * @param mixed $data An array or object to be deconstructed into a field
846 * @return mixed The resulting data that should be assigned to a field
847 * @access public
848 */
849 function deconstruct($field, $data) {
850 if (!is_array($data)) {
851 return $data;
852 }
853  
854 $copy = $data;
855 $type = $this->getColumnType($field);
856  
857 if (in_array($type, array('datetime', 'timestamp', 'date', 'time'))) {
858 $useNewDate = (isset($data['year']) || isset($data['month']) ||
859 isset($data['day']) || isset($data['hour']) || isset($data['minute']));
860  
861 $dateFields = array('Y' => 'year', 'm' => 'month', 'd' => 'day', 'H' => 'hour', 'i' => 'min', 's' => 'sec');
862 $timeFields = array('H' => 'hour', 'i' => 'min', 's' => 'sec');
863  
864 $db =& ConnectionManager::getDataSource($this->useDbConfig);
865 $format = $db->columns[$type]['format'];
866 $date = array();
867  
868 if (isset($data['hour']) && isset($data['meridian']) && $data['hour'] != 12 && 'pm' == $data['meridian']) {
869 $data['hour'] = $data['hour'] + 12;
870 }
871 if (isset($data['hour']) && isset($data['meridian']) && $data['hour'] == 12 && 'am' == $data['meridian']) {
872 $data['hour'] = '00';
873 }
874 if ($type == 'time') {
875 foreach ($timeFields as $key => $val) {
876 if (!isset($data[$val]) || $data[$val] === '0' || $data[$val] === '00') {
877 $data[$val] = '00';
878 } elseif ($data[$val] === '') {
879 $data[$val] = '';
880 } else {
881 $data[$val] = sprintf('%02d', $data[$val]);
882 }
883 if (!empty($data[$val])) {
884 $date[$key] = $data[$val];
885 } else {
886 return null;
887 }
888 }
889 }
890  
891 if ($type == 'datetime' || $type == 'timestamp' || $type == 'date') {
892 foreach ($dateFields as $key => $val) {
893 if ($val == 'hour' || $val == 'min' || $val == 'sec') {
894 if (!isset($data[$val]) || $data[$val] === '0' || $data[$val] === '00') {
895 $data[$val] = '00';
896 } else {
897 $data[$val] = sprintf('%02d', $data[$val]);
898 }
899 }
900 if (!isset($data[$val]) || isset($data[$val]) && (empty($data[$val]) || $data[$val][0] === '-')) {
901 return null;
902 }
903 if (isset($data[$val]) && !empty($data[$val])) {
904 $date[$key] = $data[$val];
905 }
906 }
907 }
908 $date = str_replace(array_keys($date), array_values($date), $format);
909 if ($useNewDate && !empty($date)) {
910 return $date;
911 }
912 }
913 return $data;
914 }
915  
916 /**
917 * Returns an array of table metadata (column names and types) from the database.
918 * $field => keys(type, null, default, key, length, extra)
919 *
920 * @param mixed $field Set to true to reload schema, or a string to return a specific field
921 * @return array Array of table metadata
922 * @access public
923 */
924 function schema($field = false) {
925 if (!is_array($this->_schema) || $field === true) {
926 $db =& ConnectionManager::getDataSource($this->useDbConfig);
927 $db->cacheSources = ($this->cacheSources && $db->cacheSources);
928 if ($db->isInterfaceSupported('describe') && $this->useTable !== false) {
929 $this->_schema = $db->describe($this, $field);
930 } elseif ($this->useTable === false) {
931 $this->_schema = array();
932 }
933 }
934 if (is_string($field)) {
935 if (isset($this->_schema[$field])) {
936 return $this->_schema[$field];
937 } else {
938 return null;
939 }
940 }
941 return $this->_schema;
942 }
943  
944 /**
945 * Returns an associative array of field names and column types.
946 *
947 * @return array Field types indexed by field name
948 * @access public
949 */
950 function getColumnTypes() {
951 $columns = $this->schema();
952 if (empty($columns)) {
953 trigger_error(__('(Model::getColumnTypes) Unable to build model field data. If you are using a model without a database table, try implementing schema()', true), E_USER_WARNING);
954 }
955 $cols = array();
956 foreach ($columns as $field => $values) {
957 $cols[$field] = $values['type'];
958 }
959 return $cols;
960 }
961  
962 /**
963 * Returns the column type of a column in the model.
964 *
965 * @param string $column The name of the model column
966 * @return string Column type
967 * @access public
968 */
969 function getColumnType($column) {
970 $db =& ConnectionManager::getDataSource($this->useDbConfig);
971 $cols = $this->schema();
972 $model = null;
973  
974 $column = str_replace(array($db->startQuote, $db->endQuote), '', $column);
975  
976 if (strpos($column, '.')) {
977 list($model, $column) = explode('.', $column);
978 }
979 if ($model != $this->alias && isset($this->{$model})) {
980 return $this->{$model}->getColumnType($column);
981 }
982 if (isset($cols[$column]) && isset($cols[$column]['type'])) {
983 return $cols[$column]['type'];
984 }
985 return null;
986 }
987  
988 /**
989 * Returns true if the supplied field exists in the model's database table.
990 *
991 * @param mixed $name Name of field to look for, or an array of names
992 * @param boolean $checkVirtual checks if the field is declared as virtual
993 * @return mixed If $name is a string, returns a boolean indicating whether the field exists.
994 * If $name is an array of field names, returns the first field that exists,
995 * or false if none exist.
996 * @access public
997 */
998 function hasField($name, $checkVirtual = false) {
999 if (is_array($name)) {
1000 foreach ($name as $n) {
1001 if ($this->hasField($n, $checkVirtual)) {
1002 return $n;
1003 }
1004 }
1005 return false;
1006 }
1007  
1008 if ($checkVirtual && !empty($this->virtualFields)) {
1009 if ($this->isVirtualField($name)) {
1010 return true;
1011 }
1012 }
1013  
1014 if (empty($this->_schema)) {
1015 $this->schema();
1016 }
1017  
1018 if ($this->_schema != null) {
1019 return isset($this->_schema[$name]);
1020 }
1021 return false;
1022 }
1023  
1024 /**
1025 * Returns true if the supplied field is a model Virtual Field
1026 *
1027 * @param mixed $name Name of field to look for
1028 * @return boolean indicating whether the field exists as a model virtual field.
1029 * @access public
1030 */
1031 function isVirtualField($field) {
1032 if (empty($this->virtualFields) || !is_string($field)) {
1033 return false;
1034 }
1035 if (isset($this->virtualFields[$field])) {
1036 return true;
1037 }
1038 if (strpos($field, '.') !== false) {
1039 list($model, $field) = explode('.', $field);
1040 if (isset($this->virtualFields[$field])) {
1041 return true;
1042 }
1043 }
1044 return false;
1045 }
1046  
1047 /**
1048 * Returns the expression for a model virtual field
1049 *
1050 * @param mixed $name Name of field to look for
1051 * @return mixed If $field is string expression bound to virtual field $field
1052 * If $field is null, returns an array of all model virtual fields
1053 * or false if none $field exist.
1054 * @access public
1055 */
1056 function getVirtualField($field = null) {
1057 if ($field == null) {
1058 return empty($this->virtualFields) ? false : $this->virtualFields;
1059 }
1060 if ($this->isVirtualField($field)) {
1061 if (strpos($field, '.') !== false) {
1062 list($model, $field) = explode('.', $field);
1063 }
1064 return $this->virtualFields[$field];
1065 }
1066 return false;
1067 }
1068  
1069 /**
1070 * Initializes the model for writing a new record, loading the default values
1071 * for those fields that are not defined in $data, and clearing previous validation errors.
1072 * Especially helpful for saving data in loops.
1073 *
1074 * @param mixed $data Optional data array to assign to the model after it is created. If null or false,
1075 * schema data defaults are not merged.
1076 * @param boolean $filterKey If true, overwrites any primary key input with an empty value
1077 * @return array The current Model::data; after merging $data and/or defaults from database
1078 * @access public
1079 * @link http://book.cakephp.org/view/1031/Saving-Your-Data
1080 */
1081 function create($data = array(), $filterKey = false) {
1082 $defaults = array();
1083 $this->id = false;
1084 $this->data = array();
1085 $this->validationErrors = array();
1086  
1087 if ($data !== null && $data !== false) {
1088 foreach ($this->schema() as $field => $properties) {
1089 if ($this->primaryKey !== $field && isset($properties['default']) && $properties['default'] !== '') {
1090 $defaults[$field] = $properties['default'];
1091 }
1092 }
1093 $this->set($defaults);
1094 $this->set($data);
1095 }
1096 if ($filterKey) {
1097 $this->set($this->primaryKey, false);
1098 }
1099 return $this->data;
1100 }
1101  
1102 /**
1103 * Returns a list of fields from the database, and sets the current model
1104 * data (Model::$data) with the record found.
1105 *
1106 * @param mixed $fields String of single fieldname, or an array of fieldnames.
1107 * @param mixed $id The ID of the record to read
1108 * @return array Array of database fields, or false if not found
1109 * @access public
1110 * @link http://book.cakephp.org/view/1017/Retrieving-Your-Data#read-1029
1111 */
1112 function read($fields = null, $id = null) {
1113 $this->validationErrors = array();
1114  
1115 if ($id != null) {
1116 $this->id = $id;
1117 }
1118  
1119 $id = $this->id;
1120  
1121 if (is_array($this->id)) {
1122 $id = $this->id[0];
1123 }
1124  
1125 if ($id !== null && $id !== false) {
1126 $this->data = $this->find('first', array(
1127 'conditions' => array($this->alias . '.' . $this->primaryKey => $id),
1128 'fields' => $fields
1129 ));
1130 return $this->data;
1131 } else {
1132 return false;
1133 }
1134 }
1135  
1136 /**
1137 * Returns the contents of a single field given the supplied conditions, in the
1138 * supplied order.
1139 *
1140 * @param string $name Name of field to get
1141 * @param array $conditions SQL conditions (defaults to NULL)
1142 * @param string $order SQL ORDER BY fragment
1143 * @return string field contents, or false if not found
1144 * @access public
1145 * @link http://book.cakephp.org/view/1017/Retrieving-Your-Data#field-1028
1146 */
1147 function field($name, $conditions = null, $order = null) {
1148 if ($conditions === null && $this->id !== false) {
1149 $conditions = array($this->alias . '.' . $this->primaryKey => $this->id);
1150 }
1151 if ($this->recursive >= 1) {
1152 $recursive = -1;
1153 } else {
1154 $recursive = $this->recursive;
1155 }
1156 $fields = $name;
1157 if ($data = $this->find('first', compact('conditions', 'fields', 'order', 'recursive'))) {
1158 if (strpos($name, '.') === false) {
1159 if (isset($data[$this->alias][$name])) {
1160 return $data[$this->alias][$name];
1161 }
1162 } else {
1163 $name = explode('.', $name);
1164 if (isset($data[$name[0]][$name[1]])) {
1165 return $data[$name[0]][$name[1]];
1166 }
1167 }
1168 if (isset($data[0]) && count($data[0]) > 0) {
1169 return array_shift($data[0]);
1170 }
1171 } else {
1172 return false;
1173 }
1174 }
1175  
1176 /**
1177 * Saves the value of a single field to the database, based on the current
1178 * model ID.
1179 *
1180 * @param string $name Name of the table field
1181 * @param mixed $value Value of the field
1182 * @param array $validate See $options param in Model::save(). Does not respect 'fieldList' key if passed
1183 * @return boolean See Model::save()
1184 * @access public
1185 * @see Model::save()
1186 * @link http://book.cakephp.org/view/1031/Saving-Your-Data
1187 */
1188 function saveField($name, $value, $validate = false) {
1189 $id = $this->id;
1190 $this->create(false);
1191  
1192 if (is_array($validate)) {
1193 $options = array_merge(array('validate' => false, 'fieldList' => array($name)), $validate);
1194 } else {
1195 $options = array('validate' => $validate, 'fieldList' => array($name));
1196 }
1197 return $this->save(array($this->alias => array($this->primaryKey => $id, $name => $value)), $options);
1198 }
1199  
1200 /**
1201 * Saves model data (based on white-list, if supplied) to the database. By
1202 * default, validation occurs before save.
1203 *
1204 * @param array $data Data to save.
1205 * @param mixed $validate Either a boolean, or an array.
1206 * If a boolean, indicates whether or not to validate before saving.
1207 * If an array, allows control of validate, callbacks, and fieldList
1208 * @param array $fieldList List of fields to allow to be written
1209 * @return mixed On success Model::$data if its not empty or true, false on failure
1210 * @access public
1211 * @link http://book.cakephp.org/view/1031/Saving-Your-Data
1212 */
1213 function save($data = null, $validate = true, $fieldList = array()) {
1214 $defaults = array('validate' => true, 'fieldList' => array(), 'callbacks' => true);
1215 $_whitelist = $this->whitelist;
1216 $fields = array();
1217  
1218 if (!is_array($validate)) {
1219 $options = array_merge($defaults, compact('validate', 'fieldList', 'callbacks'));
1220 } else {
1221 $options = array_merge($defaults, $validate);
1222 }
1223  
1224 if (!empty($options['fieldList'])) {
1225 $this->whitelist = $options['fieldList'];
1226 } elseif ($options['fieldList'] === null) {
1227 $this->whitelist = array();
1228 }
1229 $this->set($data);
1230  
1231 if (empty($this->data) && !$this->hasField(array('created', 'updated', 'modified'))) {
1232 return false;
1233 }
1234  
1235 foreach (array('created', 'updated', 'modified') as $field) {
1236 $keyPresentAndEmpty = (
1237 isset($this->data[$this->alias]) &&
1238 array_key_exists($field, $this->data[$this->alias]) &&
1239 $this->data[$this->alias][$field] === null
1240 );
1241 if ($keyPresentAndEmpty) {
1242 unset($this->data[$this->alias][$field]);
1243 }
1244 }
1245  
1246 $exists = $this->exists();
1247 $dateFields = array('modified', 'updated');
1248  
1249 if (!$exists) {
1250 $dateFields[] = 'created';
1251 }
1252 if (isset($this->data[$this->alias])) {
1253 $fields = array_keys($this->data[$this->alias]);
1254 }
1255 if ($options['validate'] && !$this->validates($options)) {
1256 $this->whitelist = $_whitelist;
1257 return false;
1258 }
1259  
1260 $db =& ConnectionManager::getDataSource($this->useDbConfig);
1261  
1262 foreach ($dateFields as $updateCol) {
1263 if ($this->hasField($updateCol) && !in_array($updateCol, $fields)) {
1264 $default = array('formatter' => 'date');
1265 $colType = array_merge($default, $db->columns[$this->getColumnType($updateCol)]);
1266 if (!array_key_exists('format', $colType)) {
1267 $time = strtotime('now');
1268 } else {
1269 $time = $colType['formatter']($colType['format']);
1270 }
1271 if (!empty($this->whitelist)) {
1272 $this->whitelist[] = $updateCol;
1273 }
1274 $this->set($updateCol, $time);
1275 }
1276 }
1277  
1278 if ($options['callbacks'] === true || $options['callbacks'] === 'before') {
1279 $result = $this->Behaviors->trigger($this, 'beforeSave', array($options), array(
1280 'break' => true, 'breakOn' => false
1281 ));
1282 if (!$result || !$this->beforeSave($options)) {
1283 $this->whitelist = $_whitelist;
1284 return false;
1285 }
1286 }
1287  
1288 if (empty($this->data[$this->alias][$this->primaryKey])) {
1289 unset($this->data[$this->alias][$this->primaryKey]);
1290 }
1291 $fields = $values = array();
1292  
1293 foreach ($this->data as $n => $v) {
1294 if (isset($this->hasAndBelongsToMany[$n])) {
1295 if (isset($v[$n])) {
1296 $v = $v[$n];
1297 }
1298 $joined[$n] = $v;
1299 } else {
1300 if ($n === $this->alias) {
1301 foreach (array('created', 'updated', 'modified') as $field) {
1302 if (array_key_exists($field, $v) && empty($v[$field])) {
1303 unset($v[$field]);
1304 }
1305 }
1306  
1307 foreach ($v as $x => $y) {
1308 if ($this->hasField($x) && (empty($this->whitelist) || in_array($x, $this->whitelist))) {
1309 list($fields[], $values[]) = array($x, $y);
1310 }
1311 }
1312 }
1313 }
1314 }
1315 $count = count($fields);
1316  
1317 if (!$exists && $count > 0) {
1318 $this->id = false;
1319 }
1320 $success = true;
1321 $created = false;
1322  
1323 if ($count > 0) {
1324 $cache = $this->_prepareUpdateFields(array_combine($fields, $values));
1325  
1326 if (!empty($this->id)) {
1327 $success = (bool)$db->update($this, $fields, $values);
1328 } else {
1329 $fInfo = $this->_schema[$this->primaryKey];
1330 $isUUID = ($fInfo['length'] == 36 &&
1331 ($fInfo['type'] === 'string' || $fInfo['type'] === 'binary')
1332 );
1333 if (empty($this->data[$this->alias][$this->primaryKey]) && $isUUID) {
1334 if (array_key_exists($this->primaryKey, $this->data[$this->alias])) {
1335 $j = array_search($this->primaryKey, $fields);
1336 $values[$j] = String::uuid();
1337 } else {
1338 list($fields[], $values[]) = array($this->primaryKey, String::uuid());
1339 }
1340 }
1341  
1342 if (!$db->create($this, $fields, $values)) {
1343 $success = $created = false;
1344 } else {
1345 $created = true;
1346 }
1347 }
1348  
1349 if ($success && !empty($this->belongsTo)) {
1350 $this->updateCounterCache($cache, $created);
1351 }
1352 }
1353  
1354 if (!empty($joined) && $success === true) {
1355 $this->__saveMulti($joined, $this->id, $db);
1356 }
1357  
1358 if ($success && $count > 0) {
1359 if (!empty($this->data)) {
1360 $success = $this->data;
1361 }
1362 if ($options['callbacks'] === true || $options['callbacks'] === 'after') {
1363 $this->Behaviors->trigger($this, 'afterSave', array($created, $options));
1364 $this->afterSave($created);
1365 }
1366 if (!empty($this->data)) {
1367 $success = Set::merge($success, $this->data);
1368 }
1369 $this->data = false;
1370 $this->_clearCache();
1371 $this->validationErrors = array();
1372 }
1373 $this->whitelist = $_whitelist;
1374 return $success;
1375 }
1376  
1377 /**
1378 * Saves model hasAndBelongsToMany data to the database.
1379 *
1380 * @param array $joined Data to save
1381 * @param mixed $id ID of record in this model
1382 * @access private
1383 */
1384 function __saveMulti($joined, $id, &$db) {
1385 foreach ($joined as $assoc => $data) {
1386  
1387 if (isset($this->hasAndBelongsToMany[$assoc])) {
1388 list($join) = $this->joinModel($this->hasAndBelongsToMany[$assoc]['with']);
1389  
1390 $isUUID = !empty($this->{$join}->primaryKey) && (
1391 $this->{$join}->_schema[$this->{$join}->primaryKey]['length'] == 36 && (
1392 $this->{$join}->_schema[$this->{$join}->primaryKey]['type'] === 'string' ||
1393 $this->{$join}->_schema[$this->{$join}->primaryKey]['type'] === 'binary'
1394 )
1395 );
1396  
1397 $newData = $newValues = array();
1398 $primaryAdded = false;
1399  
1400 $fields = array(
1401 $db->name($this->hasAndBelongsToMany[$assoc]['foreignKey']),
1402 $db->name($this->hasAndBelongsToMany[$assoc]['associationForeignKey'])
1403 );
1404  
1405 $idField = $db->name($this->{$join}->primaryKey);
1406 if ($isUUID && !in_array($idField, $fields)) {
1407 $fields[] = $idField;
1408 $primaryAdded = true;
1409 }
1410  
1411 foreach ((array)$data as $row) {
1412 if ((is_string($row) && (strlen($row) == 36 || strlen($row) == 16)) || is_numeric($row)) {
1413 $values = array(
1414 $db->value($id, $this->getColumnType($this->primaryKey)),
1415 $db->value($row)
1416 );
1417 if ($isUUID && $primaryAdded) {
1418 $values[] = $db->value(String::uuid());
1419 }
1420 $values = implode(',', $values);
1421 $newValues[] = "({$values})";
1422 unset($values);
1423 } elseif (isset($row[$this->hasAndBelongsToMany[$assoc]['associationForeignKey']])) {
1424 $newData[] = $row;
1425 } elseif (isset($row[$join]) && isset($row[$join][$this->hasAndBelongsToMany[$assoc]['associationForeignKey']])) {
1426 $newData[] = $row[$join];
1427 }
1428 }
1429  
1430 if ($this->hasAndBelongsToMany[$assoc]['unique']) {
1431 $conditions = array(
1432 $join . '.' . $this->hasAndBelongsToMany[$assoc]['foreignKey'] => $id
1433 );
1434 if (!empty($this->hasAndBelongsToMany[$assoc]['conditions'])) {
1435 $conditions = array_merge($conditions, (array)$this->hasAndBelongsToMany[$assoc]['conditions']);
1436 }
1437 $links = $this->{$join}->find('all', array(
1438 'conditions' => $conditions,
1439 'recursive' => empty($this->hasAndBelongsToMany[$assoc]['conditions']) ? -1 : 0,
1440 'fields' => $this->hasAndBelongsToMany[$assoc]['associationForeignKey']
1441 ));
1442  
1443 $associationForeignKey = "{$join}." . $this->hasAndBelongsToMany[$assoc]['associationForeignKey'];
1444 $oldLinks = Set::extract($links, "{n}.{$associationForeignKey}");
1445 if (!empty($oldLinks)) {
1446 $conditions[$associationForeignKey] = $oldLinks;
1447 $db->delete($this->{$join}, $conditions);
1448 }
1449 }
1450  
1451 if (!empty($newData)) {
1452 foreach ($newData as $data) {
1453 $data[$this->hasAndBelongsToMany[$assoc]['foreignKey']] = $id;
1454 $this->{$join}->create($data);
1455 $this->{$join}->save();
1456 }
1457 }
1458  
1459 if (!empty($newValues)) {
1460 $fields = implode(',', $fields);
1461 $db->insertMulti($this->{$join}, $fields, $newValues);
1462 }
1463 }
1464 }
1465 }
1466  
1467 /**
1468 * Updates the counter cache of belongsTo associations after a save or delete operation
1469 *
1470 * @param array $keys Optional foreign key data, defaults to the information $this->data
1471 * @param boolean $created True if a new record was created, otherwise only associations with
1472 * 'counterScope' defined get updated
1473 * @return void
1474 * @access public
1475 */
1476 function updateCounterCache($keys = array(), $created = false) {
1477 $keys = empty($keys) ? $this->data[$this->alias] : $keys;
1478 $keys['old'] = isset($keys['old']) ? $keys['old'] : array();
1479  
1480 foreach ($this->belongsTo as $parent => $assoc) {
1481 $foreignKey = $assoc['foreignKey'];
1482 $fkQuoted = $this->escapeField($assoc['foreignKey']);
1483  
1484 if (!empty($assoc['counterCache'])) {
1485 if ($assoc['counterCache'] === true) {
1486 $assoc['counterCache'] = Inflector::underscore($this->alias) . '_count';
1487 }
1488 if (!$this->{$parent}->hasField($assoc['counterCache'])) {
1489 continue;
1490 }
1491  
1492 if (!array_key_exists($foreignKey, $keys)) {
1493 $keys[$foreignKey] = $this->field($foreignKey);
1494 }
1495 $recursive = (isset($assoc['counterScope']) ? 1 : -1);
1496 $conditions = ($recursive == 1) ? (array)$assoc['counterScope'] : array();
1497  
1498 if (isset($keys['old'][$foreignKey])) {
1499 if ($keys['old'][$foreignKey] != $keys[$foreignKey]) {
1500 $conditions[$fkQuoted] = $keys['old'][$foreignKey];
1501 $count = intval($this->find('count', compact('conditions', 'recursive')));
1502  
1503 $this->{$parent}->updateAll(
1504 array($assoc['counterCache'] => $count),
1505 array($this->{$parent}->escapeField() => $keys['old'][$foreignKey])
1506 );
1507 }
1508 }
1509 $conditions[$fkQuoted] = $keys[$foreignKey];
1510  
1511 if ($recursive == 1) {
1512 $conditions = array_merge($conditions, (array)$assoc['counterScope']);
1513 }
1514 $count = intval($this->find('count', compact('conditions', 'recursive')));
1515  
1516 $this->{$parent}->updateAll(
1517 array($assoc['counterCache'] => $count),
1518 array($this->{$parent}->escapeField() => $keys[$foreignKey])
1519 );
1520 }
1521 }
1522 }
1523  
1524 /**
1525 * Helper method for Model::updateCounterCache(). Checks the fields to be updated for
1526 *
1527 * @param array $data The fields of the record that will be updated
1528 * @return array Returns updated foreign key values, along with an 'old' key containing the old
1529 * values, or empty if no foreign keys are updated.
1530 * @access protected
1531 */
1532 function _prepareUpdateFields($data) {
1533 $foreignKeys = array();
1534 foreach ($this->belongsTo as $assoc => $info) {
1535 if ($info['counterCache']) {
1536 $foreignKeys[$assoc] = $info['foreignKey'];
1537 }
1538 }
1539 $included = array_intersect($foreignKeys, array_keys($data));
1540  
1541 if (empty($included) || empty($this->id)) {
1542 return array();
1543 }
1544 $old = $this->find('first', array(
1545 'conditions' => array($this->primaryKey => $this->id),
1546 'fields' => array_values($included),
1547 'recursive' => -1
1548 ));
1549 return array_merge($data, array('old' => $old[$this->alias]));
1550 }
1551  
1552 /**
1553 * Saves multiple individual records for a single model; Also works with a single record, as well as
1554 * all its associated records.
1555 *
1556 * #### Options
1557 *
1558 * - validate: Set to false to disable validation, true to validate each record before saving,
1559 * 'first' to validate *all* records before any are saved (default),
1560 * or 'only' to only validate the records, but not save them.
1561 * - atomic: If true (default), will attempt to save all records in a single transaction.
1562 * Should be set to false if database/table does not support transactions.
1563 * - fieldList: Equivalent to the $fieldList parameter in Model::save()
1564 *
1565 * @param array $data Record data to save. This can be either a numerically-indexed array (for saving multiple
1566 * records of the same type), or an array indexed by association name.
1567 * @param array $options Options to use when saving record data, See $options above.
1568 * @return mixed If atomic: True on success, or false on failure.
1569 * Otherwise: array similar to the $data array passed, but values are set to true/false
1570 * depending on whether each record saved successfully.
1571 * @access public
1572 * @link http://book.cakephp.org/view/1032/Saving-Related-Model-Data-hasOne-hasMany-belongsTo
1573 * @link http://book.cakephp.org/view/1031/Saving-Your-Data
1574 */
1575 function saveAll($data = null, $options = array()) {
1576 if (empty($data)) {
1577 $data = $this->data;
1578 }
1579 $db =& ConnectionManager::getDataSource($this->useDbConfig);
1580  
1581 $options = array_merge(array('validate' => 'first', 'atomic' => true), $options);
1582 $this->validationErrors = $validationErrors = array();
1583 $validates = true;
1584 $return = array();
1585  
1586 if (empty($data) && $options['validate'] !== false) {
1587 $result = $this->save($data, $options);
1588 return !empty($result);
1589 }
1590  
1591 if ($options['atomic'] && $options['validate'] !== 'only') {
1592 $transactionBegun = $db->begin($this);
1593 }
1594  
1595 if (Set::numeric(array_keys($data))) {
1596 while ($validates) {
1597 $return = array();
1598 foreach ($data as $key => $record) {
1599 if (!$currentValidates = $this->__save($record, $options)) {
1600 $validationErrors[$key] = $this->validationErrors;
1601 }
1602  
1603 if ($options['validate'] === 'only' || $options['validate'] === 'first') {
1604 $validating = true;
1605 if ($options['atomic']) {
1606 $validates = $validates && $currentValidates;
1607 } else {
1608 $validates = $currentValidates;
1609 }
1610 } else {
1611 $validating = false;
1612 $validates = $currentValidates;
1613 }
1614  
1615 if (!$options['atomic']) {
1616 $return[] = $validates;
1617 } elseif (!$validates && !$validating) {
1618 break;
1619 }
1620 }
1621 $this->validationErrors = $validationErrors;
1622  
1623 switch (true) {
1624 case ($options['validate'] === 'only'):
1625 return ($options['atomic'] ? $validates : $return);
1626 break;
1627 case ($options['validate'] === 'first'):
1628 $options['validate'] = true;
1629 break;
1630 default:
1631 if ($options['atomic']) {
1632 if ($validates) {
1633 if ($transactionBegun) {
1634 return $db->commit($this) !== false;
1635 } else {
1636 return true;
1637 }
1638 }
1639 $db->rollback($this);
1640 return false;
1641 }
1642 return $return;
1643 break;
1644 }
1645 }
1646 if ($options['atomic'] && !$validates) {
1647 $db->rollback($this);
1648 return false;
1649 }
1650 return $return;
1651 }
1652 $associations = $this->getAssociated();
1653  
1654 while ($validates) {
1655 foreach ($data as $association => $values) {
1656 if (isset($associations[$association])) {
1657 switch ($associations[$association]) {
1658 case 'belongsTo':
1659 if ($this->{$association}->__save($values, $options)) {
1660 $data[$this->alias][$this->belongsTo[$association]['foreignKey']] = $this->{$association}->id;
1661 } else {
1662 $validationErrors[$association] = $this->{$association}->validationErrors;
1663 $validates = false;
1664 }
1665 if (!$options['atomic']) {
1666 $return[$association][] = $validates;
1667 }
1668 break;
1669 }
1670 }
1671 }
1672  
1673 if (!$this->__save($data, $options)) {
1674 $validationErrors[$this->alias] = $this->validationErrors;
1675 $validates = false;
1676 }
1677 if (!$options['atomic']) {
1678 $return[$this->alias] = $validates;
1679 }
1680 $validating = ($options['validate'] === 'only' || $options['validate'] === 'first');
1681  
1682 foreach ($data as $association => $values) {
1683 if (!$validates && !$validating) {
1684 break;
1685 }
1686 if (isset($associations[$association])) {
1687 $type = $associations[$association];
1688 switch ($type) {
1689 case 'hasOne':
1690 $values[$this->{$type}[$association]['foreignKey']] = $this->id;
1691 if (!$this->{$association}->__save($values, $options)) {
1692 $validationErrors[$association] = $this->{$association}->validationErrors;
1693 $validates = false;
1694 }
1695 if (!$options['atomic']) {
1696 $return[$association][] = $validates;
1697 }
1698 break;
1699 case 'hasMany':
1700 foreach ($values as $i => $value) {
1701 $values[$i][$this->{$type}[$association]['foreignKey']] = $this->id;
1702 }
1703 $_options = array_merge($options, array('atomic' => false));
1704  
1705 if ($_options['validate'] === 'first') {
1706 $_options['validate'] = 'only';
1707 }
1708 $_return = $this->{$association}->saveAll($values, $_options);
1709  
1710 if ($_return === false || (is_array($_return) && in_array(false, $_return, true))) {
1711 $validationErrors[$association] = $this->{$association}->validationErrors;
1712 $validates = false;
1713 }
1714 if (is_array($_return)) {
1715 foreach ($_return as $val) {
1716 if (!isset($return[$association])) {
1717 $return[$association] = array();
1718 } elseif (!is_array($return[$association])) {
1719 $return[$association] = array($return[$association]);
1720 }
1721 $return[$association][] = $val;
1722 }
1723 } else {
1724 $return[$association] = $_return;
1725 }
1726 break;
1727 }
1728 }
1729 }
1730 $this->validationErrors = $validationErrors;
1731  
1732 if (isset($validationErrors[$this->alias])) {
1733 $this->validationErrors = $validationErrors[$this->alias];
1734 }
1735  
1736 switch (true) {
1737 case ($options['validate'] === 'only'):
1738 return ($options['atomic'] ? $validates : $return);
1739 break;
1740 case ($options['validate'] === 'first'):
1741 $options['validate'] = true;
1742 $return = array();
1743 break;
1744 default:
1745 if ($options['atomic']) {
1746 if ($validates) {
1747 if ($transactionBegun) {
1748 return $db->commit($this) !== false;
1749 } else {
1750 return true;
1751 }
1752 } else {
1753 $db->rollback($this);
1754 }
1755 }
1756 return $return;
1757 break;
1758 }
1759 if ($options['atomic'] && !$validates) {
1760 $db->rollback($this);
1761 return false;
1762 }
1763 }
1764 }
1765  
1766 /**
1767 * Private helper method used by saveAll.
1768 *
1769 * @return boolean Success
1770 * @access private
1771 * @see Model::saveAll()
1772 */
1773 function __save($data, $options) {
1774 if ($options['validate'] === 'first' || $options['validate'] === 'only') {
1775 if (!($this->create($data) && $this->validates($options))) {
1776 return false;
1777 }
1778 } elseif (!($this->create(null) !== null && $this->save($data, $options))) {
1779 return false;
1780 }
1781 return true;
1782 }
1783  
1784 /**
1785 * Updates multiple model records based on a set of conditions.
1786 *
1787 * @param array $fields Set of fields and values, indexed by fields.
1788 * Fields are treated as SQL snippets, to insert literal values manually escape your data.
1789 * @param mixed $conditions Conditions to match, true for all records
1790 * @return boolean True on success, false on failure
1791 * @access public
1792 * @link http://book.cakephp.org/view/1031/Saving-Your-Data
1793 */
1794 function updateAll($fields, $conditions = true) {
1795 $db =& ConnectionManager::getDataSource($this->useDbConfig);
1796 return $db->update($this, $fields, null, $conditions);
1797 }
1798  
1799 /**
1800 * Removes record for given ID. If no ID is given, the current ID is used. Returns true on success.
1801 *
1802 * @param mixed $id ID of record to delete
1803 * @param boolean $cascade Set to true to delete records that depend on this record
1804 * @return boolean True on success
1805 * @access public
1806 * @link http://book.cakephp.org/view/1036/delete
1807 */
1808 function delete($id = null, $cascade = true) {
1809 if (!empty($id)) {
1810 $this->id = $id;
1811 }
1812 $id = $this->id;
1813  
1814 if ($this->beforeDelete($cascade)) {
1815 $filters = $this->Behaviors->trigger($this, 'beforeDelete', array($cascade), array(
1816 'break' => true, 'breakOn' => false
1817 ));
1818 if (!$filters || !$this->exists()) {
1819 return false;
1820 }
1821 $db =& ConnectionManager::getDataSource($this->useDbConfig);
1822  
1823 $this->_deleteDependent($id, $cascade);
1824 $this->_deleteLinks($id);
1825 $this->id = $id;
1826  
1827 if (!empty($this->belongsTo)) {
1828 $keys = $this->find('first', array(
1829 'fields' => $this->__collectForeignKeys(),
1830 'conditions' => array($this->alias . '.' . $this->primaryKey => $id)
1831 ));
1832 }
1833  
1834 if ($db->delete($this, array($this->alias . '.' . $this->primaryKey => $id))) {
1835 if (!empty($this->belongsTo)) {
1836 $this->updateCounterCache($keys[$this->alias]);
1837 }
1838 $this->Behaviors->trigger($this, 'afterDelete');
1839 $this->afterDelete();
1840 $this->_clearCache();
1841 $this->id = false;
1842 return true;
1843 }
1844 }
1845 return false;
1846 }
1847  
1848 /**
1849 * Cascades model deletes through associated hasMany and hasOne child records.
1850 *
1851 * @param string $id ID of record that was deleted
1852 * @param boolean $cascade Set to true to delete records that depend on this record
1853 * @return void
1854 * @access protected
1855 */
1856 function _deleteDependent($id, $cascade) {
1857 if (!empty($this->__backAssociation)) {
1858 $savedAssociatons = $this->__backAssociation;
1859 $this->__backAssociation = array();
1860 }
1861 foreach (array_merge($this->hasMany, $this->hasOne) as $assoc => $data) {
1862 if ($data['dependent'] === true && $cascade === true) {
1863  
1864 $model =& $this->{$assoc};
1865 $conditions = array($model->escapeField($data['foreignKey']) => $id);
1866 if ($data['conditions']) {
1867 $conditions = array_merge((array)$data['conditions'], $conditions);
1868 }
1869 $model->recursive = -1;
1870  
1871 if (isset($data['exclusive']) && $data['exclusive']) {
1872 $model->deleteAll($conditions);
1873 } else {
1874 $records = $model->find('all', array(
1875 'conditions' => $conditions, 'fields' => $model->primaryKey
1876 ));
1877  
1878 if (!empty($records)) {
1879 foreach ($records as $record) {
1880 $model->delete($record[$model->alias][$model->primaryKey]);
1881 }
1882 }
1883 }
1884 }
1885 }
1886 if (isset($savedAssociatons)) {
1887 $this->__backAssociation = $savedAssociatons;
1888 }
1889 }
1890  
1891 /**
1892 * Cascades model deletes through HABTM join keys.
1893 *
1894 * @param string $id ID of record that was deleted
1895 * @return void
1896 * @access protected
1897 */
1898 function _deleteLinks($id) {
1899 foreach ($this->hasAndBelongsToMany as $assoc => $data) {
1900 $joinModel = $data['with'];
1901 $records = $this->{$joinModel}->find('all', array(
1902 'conditions' => array_merge(array($this->{$joinModel}->escapeField($data['foreignKey']) => $id)),
1903 'fields' => $this->{$joinModel}->primaryKey,
1904 'recursive' => -1
1905 ));
1906 if (!empty($records)) {
1907 foreach ($records as $record) {
1908 $this->{$joinModel}->delete($record[$this->{$joinModel}->alias][$this->{$joinModel}->primaryKey]);
1909 }
1910 }
1911 }
1912 }
1913  
1914 /**
1915 * Deletes multiple model records based on a set of conditions.
1916 *
1917 * @param mixed $conditions Conditions to match
1918 * @param boolean $cascade Set to true to delete records that depend on this record
1919 * @param boolean $callbacks Run callbacks
1920 * @return boolean True on success, false on failure
1921 * @access public
1922 * @link http://book.cakephp.org/view/1038/deleteAll
1923 */
1924 function deleteAll($conditions, $cascade = true, $callbacks = false) {
1925 if (empty($conditions)) {
1926 return false;
1927 }
1928 $db =& ConnectionManager::getDataSource($this->useDbConfig);
1929  
1930 if (!$cascade && !$callbacks) {
1931 return $db->delete($this, $conditions);
1932 } else {
1933 $ids = $this->find('all', array_merge(array(
1934 'fields' => "{$this->alias}.{$this->primaryKey}",
1935 'recursive' => 0), compact('conditions'))
1936 );
1937 if ($ids === false) {
1938 return false;
1939 }
1940  
1941 $ids = Set::extract($ids, "{n}.{$this->alias}.{$this->primaryKey}");
1942 if (empty($ids)) {
1943 return true;
1944 }
1945  
1946 if ($callbacks) {
1947 $_id = $this->id;
1948 $result = true;
1949 foreach ($ids as $id) {
1950 $result = ($result && $this->delete($id, $cascade));
1951 }
1952 $this->id = $_id;
1953 return $result;
1954 } else {
1955 foreach ($ids as $id) {
1956 $this->_deleteLinks($id);
1957 if ($cascade) {
1958 $this->_deleteDependent($id, $cascade);
1959 }
1960 }
1961 return $db->delete($this, array($this->alias . '.' . $this->primaryKey => $ids));
1962 }
1963 }
1964 }
1965  
1966 /**
1967 * Collects foreign keys from associations.
1968 *
1969 * @return array
1970 * @access private
1971 */
1972 function __collectForeignKeys($type = 'belongsTo') {
1973 $result = array();
1974  
1975 foreach ($this->{$type} as $assoc => $data) {
1976 if (isset($data['foreignKey']) && is_string($data['foreignKey'])) {
1977 $result[$assoc] = $data['foreignKey'];
1978 }
1979 }
1980 return $result;
1981 }
1982  
1983 /**
1984 * Returns true if a record with the currently set ID exists.
1985 *
1986 * Internally calls Model::getID() to obtain the current record ID to verify,
1987 * and then performs a Model::find('count') on the currently configured datasource
1988 * to ascertain the existence of the record in persistent storage.
1989 *
1990 * @return boolean True if such a record exists
1991 * @access public
1992 */
1993 function exists() {
1994 if ($this->getID() === false) {
1995 return false;
1996 }
1997 $conditions = array($this->alias . '.' . $this->primaryKey => $this->getID());
1998 $query = array('conditions' => $conditions, 'recursive' => -1, 'callbacks' => false);
1999 return ($this->find('count', $query) > 0);
2000 }
2001  
2002 /**
2003 * Returns true if a record that meets given conditions exists.
2004 *
2005 * @param array $conditions SQL conditions array
2006 * @return boolean True if such a record exists
2007 * @access public
2008 */
2009 function hasAny($conditions = null) {
2010 return ($this->find('count', array('conditions' => $conditions, 'recursive' => -1)) != false);
2011 }
2012  
2013 /**
2014 * Queries the datasource and returns a result set array.
2015 *
2016 * Also used to perform new-notation finds, where the first argument is type of find operation to perform
2017 * (all / first / count / neighbors / list / threaded ),
2018 * second parameter options for finding ( indexed array, including: 'conditions', 'limit',
2019 * 'recursive', 'page', 'fields', 'offset', 'order')
2020 *
2021 * Eg:
2022 * {{{
2023 * find('all', array(
2024 * 'conditions' => array('name' => 'Thomas Anderson'),
2025 * 'fields' => array('name', 'email'),
2026 * 'order' => 'field3 DESC',
2027 * 'recursive' => 2,
2028 * 'group' => 'type'
2029 * ));
2030 * }}}
2031 *
2032 * In addition to the standard query keys above, you can provide Datasource, and behavior specific
2033 * keys. For example, when using a SQL based datasource you can use the joins key to specify additional
2034 * joins that should be part of the query.
2035 *
2036 * {{{
2037 * find('all', array(
2038 * 'conditions' => array('name' => 'Thomas Anderson'),
2039 * 'joins' => array(
2040 * array(
2041 * 'alias' => 'Thought',
2042 * 'table' => 'thoughts',
2043 * 'type' => 'LEFT',
2044 * 'conditions' => '`Thought`.`person_id` = `Person`.`id`'
2045 * )
2046 * )
2047 * ));
2048 * }}}
2049 *
2050 * Behaviors and find types can also define custom finder keys which are passed into find().
2051 *
2052 * Specifying 'fields' for new-notation 'list':
2053 *
2054 * - If no fields are specified, then 'id' is used for key and 'model->displayField' is used for value.
2055 * - If a single field is specified, 'id' is used for key and specified field is used for value.
2056 * - If three fields are specified, they are used (in order) for key, value and group.
2057 * - Otherwise, first and second fields are used for key and value.
2058 *
2059 * @param array $conditions SQL conditions array, or type of find operation (all / first / count /
2060 * neighbors / list / threaded)
2061 * @param mixed $fields Either a single string of a field name, or an array of field names, or
2062 * options for matching
2063 * @param string $order SQL ORDER BY conditions (e.g. "price DESC" or "name ASC")
2064 * @param integer $recursive The number of levels deep to fetch associated records
2065 * @return array Array of records
2066 * @access public
2067 * @link http://book.cakephp.org/view/1018/find
2068 */
2069 function find($conditions = null, $fields = array(), $order = null, $recursive = null) {
2070 if (!is_string($conditions) || (is_string($conditions) && !array_key_exists($conditions, $this->_findMethods))) {
2071 $type = 'first';
2072 $query = array_merge(compact('conditions', 'fields', 'order', 'recursive'), array('limit' => 1));
2073 } else {
2074 list($type, $query) = array($conditions, $fields);
2075 }
2076  
2077 $this->findQueryType = $type;
2078 $this->id = $this->getID();
2079  
2080 $query = array_merge(
2081 array(
2082 'conditions' => null, 'fields' => null, 'joins' => array(), 'limit' => null,
2083 'offset' => null, 'order' => null, 'page' => null, 'group' => null, 'callbacks' => true
2084 ),
2085 (array)$query
2086 );
2087  
2088 if ($type != 'all') {
2089 if ($this->_findMethods[$type] === true) {
2090 $query = $this->{'_find' . ucfirst($type)}('before', $query);
2091 }
2092 }
2093  
2094 if (!is_numeric($query['page']) || intval($query['page']) < 1) {
2095 $query['page'] = 1;
2096 }
2097 if ($query['page'] > 1 && !empty($query['limit'])) {
2098 $query['offset'] = ($query['page'] - 1) * $query['limit'];
2099 }
2100 if ($query['order'] === null && $this->order !== null) {
2101 $query['order'] = $this->order;
2102 }
2103 $query['order'] = array($query['order']);
2104  
2105 if ($query['callbacks'] === true || $query['callbacks'] === 'before') {
2106 $return = $this->Behaviors->trigger($this, 'beforeFind', array($query), array(
2107 'break' => true, 'breakOn' => false, 'modParams' => true
2108 ));
2109 $query = (is_array($return)) ? $return : $query;
2110  
2111 if ($return === false) {
2112 return null;
2113 }
2114  
2115 $return = $this->beforeFind($query);
2116 $query = (is_array($return)) ? $return : $query;
2117  
2118 if ($return === false) {
2119 return null;
2120 }
2121 }
2122  
2123 if (!$db =& ConnectionManager::getDataSource($this->useDbConfig)) {
2124 return false;
2125 }
2126  
2127 $results = $db->read($this, $query);
2128 $this->resetAssociations();
2129  
2130 if ($query['callbacks'] === true || $query['callbacks'] === 'after') {
2131 $results = $this->__filterResults($results);
2132 }
2133  
2134 $this->findQueryType = null;
2135  
2136 if ($type === 'all') {
2137 return $results;
2138 } else {
2139 if ($this->_findMethods[$type] === true) {
2140 return $this->{'_find' . ucfirst($type)}('after', $query, $results);
2141 }
2142 }
2143 }
2144  
2145 /**
2146 * Handles the before/after filter logic for find('first') operations. Only called by Model::find().
2147 *
2148 * @param string $state Either "before" or "after"
2149 * @param array $query
2150 * @param array $data
2151 * @return array
2152 * @access protected
2153 * @see Model::find()
2154 */
2155 function _findFirst($state, $query, $results = array()) {
2156 if ($state == 'before') {
2157 $query['limit'] = 1;
2158 return $query;
2159 } elseif ($state == 'after') {
2160 if (empty($results[0])) {
2161 return false;
2162 }
2163 return $results[0];
2164 }
2165 }
2166  
2167 /**
2168 * Handles the before/after filter logic for find('count') operations. Only called by Model::find().
2169 *
2170 * @param string $state Either "before" or "after"
2171 * @param array $query
2172 * @param array $data
2173 * @return int The number of records found, or false
2174 * @access protected
2175 * @see Model::find()
2176 */
2177 function _findCount($state, $query, $results = array()) {
2178 if ($state == 'before') {
2179 $db =& ConnectionManager::getDataSource($this->useDbConfig);
2180 if (empty($query['fields'])) {
2181 $query['fields'] = $db->calculate($this, 'count');
2182 } elseif (is_string($query['fields']) && !preg_match('/count/i', $query['fields'])) {
2183 $query['fields'] = $db->calculate($this, 'count', array(
2184 $db->expression($query['fields']), 'count'
2185 ));
2186 }
2187 $query['order'] = false;
2188 return $query;
2189 } elseif ($state == 'after') {
2190 if (isset($results[0][0]['count'])) {
2191 return intval($results[0][0]['count']);
2192 } elseif (isset($results[0][$this->alias]['count'])) {
2193 return intval($results[0][$this->alias]['count']);
2194 }
2195 return false;
2196 }
2197 }
2198  
2199 /**
2200 * Handles the before/after filter logic for find('list') operations. Only called by Model::find().
2201 *
2202 * @param string $state Either "before" or "after"
2203 * @param array $query
2204 * @param array $data
2205 * @return array Key/value pairs of primary keys/display field values of all records found
2206 * @access protected
2207 * @see Model::find()
2208 */
2209 function _findList($state, $query, $results = array()) {
2210 if ($state == 'before') {
2211 if (empty($query['fields'])) {
2212 $query['fields'] = array("{$this->alias}.{$this->primaryKey}", "{$this->alias}.{$this->displayField}");
2213 $list = array("{n}.{$this->alias}.{$this->primaryKey}", "{n}.{$this->alias}.{$this->displayField}", null);
2214 } else {
2215 if (!is_array($query['fields'])) {
2216 $query['fields'] = String::tokenize($query['fields']);
2217 }
2218  
2219 if (count($query['fields']) == 1) {
2220 if (strpos($query['fields'][0], '.') === false) {
2221 $query['fields'][0] = $this->alias . '.' . $query['fields'][0];
2222 }
2223  
2224 $list = array("{n}.{$this->alias}.{$this->primaryKey}", '{n}.' . $query['fields'][0], null);
2225 $query['fields'] = array("{$this->alias}.{$this->primaryKey}", $query['fields'][0]);
2226 } elseif (count($query['fields']) == 3) {
2227 for ($i = 0; $i < 3; $i++) {
2228 if (strpos($query['fields'][$i], '.') === false) {
2229 $query['fields'][$i] = $this->alias . '.' . $query['fields'][$i];
2230 }
2231 }
2232  
2233 $list = array('{n}.' . $query['fields'][0], '{n}.' . $query['fields'][1], '{n}.' . $query['fields'][2]);
2234 } else {
2235 for ($i = 0; $i < 2; $i++) {
2236 if (strpos($query['fields'][$i], '.') === false) {
2237 $query['fields'][$i] = $this->alias . '.' . $query['fields'][$i];
2238 }
2239 }
2240  
2241 $list = array('{n}.' . $query['fields'][0], '{n}.' . $query['fields'][1], null);
2242 }
2243 }
2244 if (!isset($query['recursive']) || $query['recursive'] === null) {
2245 $query['recursive'] = -1;
2246 }
2247 list($query['list']['keyPath'], $query['list']['valuePath'], $query['list']['groupPath']) = $list;
2248 return $query;
2249 } elseif ($state == 'after') {
2250 if (empty($results)) {
2251 return array();
2252 }
2253 $lst = $query['list'];
2254 return Set::combine($results, $lst['keyPath'], $lst['valuePath'], $lst['groupPath']);
2255 }
2256 }
2257  
2258 /**
2259 * Detects the previous field's value, then uses logic to find the 'wrapping'
2260 * rows and return them.
2261 *
2262 * @param string $state Either "before" or "after"
2263 * @param mixed $query
2264 * @param array $results
2265 * @return array
2266 * @access protected
2267 */
2268 function _findNeighbors($state, $query, $results = array()) {
2269 if ($state == 'before') {
2270 $query = array_merge(array('recursive' => 0), $query);
2271 extract($query);
2272 $conditions = (array)$conditions;
2273 if (isset($field) && isset($value)) {
2274 if (strpos($field, '.') === false) {
2275 $field = $this->alias . '.' . $field;
2276 }
2277 } else {
2278 $field = $this->alias . '.' . $this->primaryKey;
2279 $value = $this->id;
2280 }
2281 $query['conditions'] = array_merge($conditions, array($field . ' <' => $value));
2282 $query['order'] = $field . ' DESC';
2283 $query['limit'] = 1;
2284 $query['field'] = $field;
2285 $query['value'] = $value;
2286 return $query;
2287 } elseif ($state == 'after') {
2288 extract($query);
2289 unset($query['conditions'][$field . ' <']);
2290 $return = array();
2291 if (isset($results[0])) {
2292 $prevVal = Set::extract('/' . str_replace('.', '/', $field), $results[0]);
2293 $query['conditions'][$field . ' >='] = $prevVal[0];
2294 $query['conditions'][$field . ' !='] = $value;
2295 $query['limit'] = 2;
2296 } else {
2297 $return['prev'] = null;
2298 $query['conditions'][$field . ' >'] = $value;
2299 $query['limit'] = 1;
2300 }
2301 $query['order'] = $field . ' ASC';
2302 $return2 = $this->find('all', $query);
2303 if (!array_key_exists('prev', $return)) {
2304 $return['prev'] = $return2[0];
2305 }
2306 if (count($return2) == 2) {
2307 $return['next'] = $return2[1];
2308 } elseif (count($return2) == 1 && !$return['prev']) {
2309 $return['next'] = $return2[0];
2310 } else {
2311 $return['next'] = null;
2312 }
2313 return $return;
2314 }
2315 }
2316  
2317 /**
2318 * In the event of ambiguous results returned (multiple top level results, with different parent_ids)
2319 * top level results with different parent_ids to the first result will be dropped
2320 *
2321 * @param mixed $state
2322 * @param mixed $query
2323 * @param array $results
2324 * @return array Threaded results
2325 * @access protected
2326 */
2327 function _findThreaded($state, $query, $results = array()) {
2328 if ($state == 'before') {
2329 return $query;
2330 } elseif ($state == 'after') {
2331 $return = $idMap = array();
2332 $ids = Set::extract($results, '{n}.' . $this->alias . '.' . $this->primaryKey);
2333  
2334 foreach ($results as $result) {
2335 $result['children'] = array();
2336 $id = $result[$this->alias][$this->primaryKey];
2337 $parentId = $result[$this->alias]['parent_id'];
2338 if (isset($idMap[$id]['children'])) {
2339 $idMap[$id] = array_merge($result, (array)$idMap[$id]);
2340 } else {
2341 $idMap[$id] = array_merge($result, array('children' => array()));
2342 }
2343 if (!$parentId || !in_array($parentId, $ids)) {
2344 $return[] =& $idMap[$id];
2345 } else {
2346 $idMap[$parentId]['children'][] =& $idMap[$id];
2347 }
2348 }
2349 if (count($return) > 1) {
2350 $ids = array_unique(Set::extract('/' . $this->alias . '/parent_id', $return));
2351 if (count($ids) > 1) {
2352 $root = $return[0][$this->alias]['parent_id'];
2353 foreach ($return as $key => $value) {
2354 if ($value[$this->alias]['parent_id'] != $root) {
2355 unset($return[$key]);
2356 }
2357 }
2358 }
2359 }
2360 return $return;
2361 }
2362 }
2363  
2364 /**
2365 * Passes query results through model and behavior afterFilter() methods.
2366 *
2367 * @param array Results to filter
2368 * @param boolean $primary If this is the primary model results (results from model where the find operation was performed)
2369 * @return array Set of filtered results
2370 * @access private
2371 */
2372 function __filterResults($results, $primary = true) {
2373 $return = $this->Behaviors->trigger($this, 'afterFind', array($results, $primary), array('modParams' => true));
2374 if ($return !== true) {
2375 $results = $return;
2376 }
2377 return $this->afterFind($results, $primary);
2378 }
2379  
2380 /**
2381 * This resets the association arrays for the model back
2382 * to those originally defined in the model. Normally called at the end
2383 * of each call to Model::find()
2384 *
2385 * @return boolean Success
2386 * @access public
2387 */
2388 function resetAssociations() {
2389 if (!empty($this->__backAssociation)) {
2390 foreach ($this->__associations as $type) {
2391 if (isset($this->__backAssociation[$type])) {
2392 $this->{$type} = $this->__backAssociation[$type];
2393 }
2394 }
2395 $this->__backAssociation = array();
2396 }
2397  
2398 foreach ($this->__associations as $type) {
2399 foreach ($this->{$type} as $key => $name) {
2400 if (!empty($this->{$key}->__backAssociation)) {
2401 $this->{$key}->resetAssociations();
2402 }
2403 }
2404 }
2405 $this->__backAssociation = array();
2406 return true;
2407 }
2408  
2409 /**
2410 * Returns false if any fields passed match any (by default, all if $or = false) of their matching values.
2411 *
2412 * @param array $fields Field/value pairs to search (if no values specified, they are pulled from $this->data)
2413 * @param boolean $or If false, all fields specified must match in order for a false return value
2414 * @return boolean False if any records matching any fields are found
2415 * @access public
2416 */
2417 function isUnique($fields, $or = true) {
2418 if (!is_array($fields)) {
2419 $fields = func_get_args();
2420 if (is_bool($fields[count($fields) - 1])) {
2421 $or = $fields[count($fields) - 1];
2422 unset($fields[count($fields) - 1]);
2423 }
2424 }
2425  
2426 foreach ($fields as $field => $value) {
2427 if (is_numeric($field)) {
2428 unset($fields[$field]);
2429  
2430 $field = $value;
2431 if (isset($this->data[$this->alias][$field])) {
2432 $value = $this->data[$this->alias][$field];
2433 } else {
2434 $value = null;
2435 }
2436 }
2437  
2438 if (strpos($field, '.') === false) {
2439 unset($fields[$field]);
2440 $fields[$this->alias . '.' . $field] = $value;
2441 }
2442 }
2443 if ($or) {
2444 $fields = array('or' => $fields);
2445 }
2446 if (!empty($this->id)) {
2447 $fields[$this->alias . '.' . $this->primaryKey . ' !='] = $this->id;
2448 }
2449 return ($this->find('count', array('conditions' => $fields, 'recursive' => -1)) == 0);
2450 }
2451  
2452 /**
2453 * Returns a resultset for a given SQL statement. Custom SQL queries should be performed with this method.
2454 *
2455 * @param string $sql SQL statement
2456 * @return array Resultset
2457 * @access public
2458 * @link http://book.cakephp.org/view/1027/query
2459 */
2460 function query() {
2461 $params = func_get_args();
2462 $db =& ConnectionManager::getDataSource($this->useDbConfig);
2463 return call_user_func_array(array(&$db, 'query'), $params);
2464 }
2465  
2466 /**
2467 * Returns true if all fields pass validation. Will validate hasAndBelongsToMany associations
2468 * that use the 'with' key as well. Since __saveMulti is incapable of exiting a save operation.
2469 *
2470 * Will validate the currently set data. Use Model::set() or Model::create() to set the active data.
2471 *
2472 * @param string $options An optional array of custom options to be made available in the beforeValidate callback
2473 * @return boolean True if there are no errors
2474 * @access public
2475 * @link http://book.cakephp.org/view/1182/Validating-Data-from-the-Controller
2476 */
2477 function validates($options = array()) {
2478 $errors = $this->invalidFields($options);
2479 if (empty($errors) && $errors !== false) {
2480 $errors = $this->__validateWithModels($options);
2481 }
2482 if (is_array($errors)) {
2483 return count($errors) === 0;
2484 }
2485 return $errors;
2486 }
2487  
2488 /**
2489 * Returns an array of fields that have failed validation. On the current model.
2490 *
2491 * @param string $options An optional array of custom options to be made available in the beforeValidate callback
2492 * @return array Array of invalid fields
2493 * @see Model::validates()
2494 * @access public
2495 * @link http://book.cakephp.org/view/1182/Validating-Data-from-the-Controller
2496 */
2497 function invalidFields($options = array()) {
2498 if (
2499 !$this->Behaviors->trigger(
2500 $this,
2501 'beforeValidate',
2502 array($options),
2503 array('break' => true, 'breakOn' => false)
2504 ) ||
2505 $this->beforeValidate($options) === false
2506 ) {
2507 return false;
2508 }
2509  
2510 if (!isset($this->validate) || empty($this->validate)) {
2511 return $this->validationErrors;
2512 }
2513  
2514 $data = $this->data;
2515 $methods = array_map('strtolower', get_class_methods($this));
2516 $behaviorMethods = array_keys($this->Behaviors->methods());
2517  
2518 if (isset($data[$this->alias])) {
2519 $data = $data[$this->alias];
2520 } elseif (!is_array($data)) {
2521 $data = array();
2522 }
2523  
2524 $Validation =& Validation::getInstance();
2525 $exists = $this->exists();
2526  
2527 $_validate = $this->validate;
2528 $whitelist = $this->whitelist;
2529  
2530 if (!empty($options['fieldList'])) {
2531 $whitelist = $options['fieldList'];
2532 }
2533  
2534 if (!empty($whitelist)) {
2535 $validate = array();
2536 foreach ((array)$whitelist as $f) {
2537 if (!empty($this->validate[$f])) {
2538 $validate[$f] = $this->validate[$f];
2539 }
2540 }
2541 $this->validate = $validate;
2542 }
2543  
2544 foreach ($this->validate as $fieldName => $ruleSet) {
2545 if (!is_array($ruleSet) || (is_array($ruleSet) && isset($ruleSet['rule']))) {
2546 $ruleSet = array($ruleSet);
2547 }
2548 $default = array(
2549 'allowEmpty' => null,
2550 'required' => null,
2551 'rule' => 'blank',
2552 'last' => false,
2553 'on' => null
2554 );
2555  
2556 foreach ($ruleSet as $index => $validator) {
2557 if (!is_array($validator)) {
2558 $validator = array('rule' => $validator);
2559 }
2560 $validator = array_merge($default, $validator);
2561  
2562 if (isset($validator['message'])) {
2563 $message = $validator['message'];
2564 } else {
2565 $message = __('This field cannot be left blank', true);
2566 }
2567  
2568 if (
2569 empty($validator['on']) || ($validator['on'] == 'create' &&
2570 !$exists) || ($validator['on'] == 'update' && $exists
2571 )) {
2572 $required = (
2573 (!isset($data[$fieldName]) && $validator['required'] === true) ||
2574 (
2575 isset($data[$fieldName]) && (empty($data[$fieldName]) &&
2576 !is_numeric($data[$fieldName])) && $validator['allowEmpty'] === false
2577 )
2578 );
2579  
2580 if ($required) {
2581 $this->invalidate($fieldName, $message);
2582 if ($validator['last']) {
2583 break;
2584 }
2585 } elseif (array_key_exists($fieldName, $data)) {
2586 if (empty($data[$fieldName]) && $data[$fieldName] != '0' && $validator['allowEmpty'] === true) {
2587 break;
2588 }
2589 if (is_array($validator['rule'])) {
2590 $rule = $validator['rule'][0];
2591 unset($validator['rule'][0]);
2592 $ruleParams = array_merge(array($data[$fieldName]), array_values($validator['rule']));
2593 } else {
2594 $rule = $validator['rule'];
2595 $ruleParams = array($data[$fieldName]);
2596 }
2597  
2598 $valid = true;
2599  
2600 if (in_array(strtolower($rule), $methods)) {
2601 $ruleParams[] = $validator;
2602 $ruleParams[0] = array($fieldName => $ruleParams[0]);
2603 $valid = $this->dispatchMethod($rule, $ruleParams);
2604 } elseif (in_array($rule, $behaviorMethods) || in_array(strtolower($rule), $behaviorMethods)) {
2605 $ruleParams[] = $validator;
2606 $ruleParams[0] = array($fieldName => $ruleParams[0]);
2607 $valid = $this->Behaviors->dispatchMethod($this, $rule, $ruleParams);
2608 } elseif (method_exists($Validation, $rule)) {
2609 $valid = $Validation->dispatchMethod($rule, $ruleParams);
2610 } elseif (!is_array($validator['rule'])) {
2611 $valid = preg_match($rule, $data[$fieldName]);
2612 } elseif (Configure::read('debug') > 0) {
2613 trigger_error(sprintf(__('Could not find validation handler %s for %s', true), $rule, $fieldName), E_USER_WARNING);
2614 }
2615  
2616 if (!$valid || (is_string($valid) && strlen($valid) > 0)) {
2617 if (is_string($valid) && strlen($valid) > 0) {
2618 $validator['message'] = $valid;
2619 } elseif (!isset($validator['message'])) {
2620 if (is_string($index)) {
2621 $validator['message'] = $index;
2622 } elseif (is_numeric($index) && count($ruleSet) > 1) {
2623 $validator['message'] = $index + 1;
2624 } else {
2625 $validator['message'] = $message;
2626 }
2627 }
2628 $this->invalidate($fieldName, $validator['message']);
2629  
2630 if ($validator['last']) {
2631 break;
2632 }
2633 }
2634 }
2635 }
2636 }
2637 }
2638 $this->validate = $_validate;
2639 return $this->validationErrors;
2640 }
2641  
2642 /**
2643 * Runs validation for hasAndBelongsToMany associations that have 'with' keys
2644 * set. And data in the set() data set.
2645 *
2646 * @param array $options Array of options to use on Valdation of with models
2647 * @return boolean Failure of validation on with models.
2648 * @access private
2649 * @see Model::validates()
2650 */
2651 function __validateWithModels($options) {
2652 $valid = true;
2653 foreach ($this->hasAndBelongsToMany as $assoc => $association) {
2654 if (empty($association['with']) || !isset($this->data[$assoc])) {
2655 continue;
2656 }
2657 list($join) = $this->joinModel($this->hasAndBelongsToMany[$assoc]['with']);
2658 $data = $this->data[$assoc];
2659  
2660 $newData = array();
2661 foreach ((array)$data as $row) {
2662 if (isset($row[$this->hasAndBelongsToMany[$assoc]['associationForeignKey']])) {
2663 $newData[] = $row;
2664 } elseif (isset($row[$join]) && isset($row[$join][$this->hasAndBelongsToMany[$assoc]['associationForeignKey']])) {
2665 $newData[] = $row[$join];
2666 }
2667 }
2668 if (empty($newData)) {
2669 continue;
2670 }
2671 foreach ($newData as $data) {
2672 $data[$this->hasAndBelongsToMany[$assoc]['foreignKey']] = $this->id;
2673 $this->{$join}->create($data);
2674 $valid = ($valid && $this->{$join}->validates($options));
2675 }
2676 }
2677 return $valid;
2678 }
2679 /**
2680 * Marks a field as invalid, optionally setting the name of validation
2681 * rule (in case of multiple validation for field) that was broken.
2682 *
2683 * @param string $field The name of the field to invalidate
2684 * @param mixed $value Name of validation rule that was not failed, or validation message to
2685 * be returned. If no validation key is provided, defaults to true.
2686 * @access public
2687 */
2688 function invalidate($field, $value = true) {
2689 if (!is_array($this->validationErrors)) {
2690 $this->validationErrors = array();
2691 }
2692 $this->validationErrors[$field] = $value;
2693 }
2694  
2695 /**
2696 * Returns true if given field name is a foreign key in this model.
2697 *
2698 * @param string $field Returns true if the input string ends in "_id"
2699 * @return boolean True if the field is a foreign key listed in the belongsTo array.
2700 * @access public
2701 */
2702 function isForeignKey($field) {
2703 $foreignKeys = array();
2704 if (!empty($this->belongsTo)) {
2705 foreach ($this->belongsTo as $assoc => $data) {
2706 $foreignKeys[] = $data['foreignKey'];
2707 }
2708 }
2709 return in_array($field, $foreignKeys);
2710 }
2711  
2712 /**
2713 * Escapes the field name and prepends the model name. Escaping is done according to the
2714 * current database driver's rules.
2715 *
2716 * @param string $field Field to escape (e.g: id)
2717 * @param string $alias Alias for the model (e.g: Post)
2718 * @return string The name of the escaped field for this Model (i.e. id becomes `Post`.`id`).
2719 * @access public
2720 */
2721 function escapeField($field = null, $alias = null) {
2722 if (empty($alias)) {
2723 $alias = $this->alias;
2724 }
2725 if (empty($field)) {
2726 $field = $this->primaryKey;
2727 }
2728 $db =& ConnectionManager::getDataSource($this->useDbConfig);
2729 if (strpos($field, $db->name($alias) . '.') === 0) {
2730 return $field;
2731 }
2732 return $db->name($alias . '.' . $field);
2733 }
2734  
2735 /**
2736 * Returns the current record's ID
2737 *
2738 * @param integer $list Index on which the composed ID is located
2739 * @return mixed The ID of the current record, false if no ID
2740 * @access public
2741 */
2742 function getID($list = 0) {
2743 if (empty($this->id) || (is_array($this->id) && isset($this->id[0]) && empty($this->id[0]))) {
2744 return false;
2745 }
2746  
2747 if (!is_array($this->id)) {
2748 return $this->id;
2749 }
2750  
2751 if (empty($this->id)) {
2752 return false;
2753 }
2754  
2755 if (isset($this->id[$list]) && !empty($this->id[$list])) {
2756 return $this->id[$list];
2757 } elseif (isset($this->id[$list])) {
2758 return false;
2759 }
2760  
2761 foreach ($this->id as $id) {
2762 return $id;
2763 }
2764  
2765 return false;
2766 }
2767  
2768 /**
2769 * Returns the ID of the last record this model inserted.
2770 *
2771 * @return mixed Last inserted ID
2772 * @access public
2773 */
2774 function getLastInsertID() {
2775 return $this->getInsertID();
2776 }
2777  
2778 /**
2779 * Returns the ID of the last record this model inserted.
2780 *
2781 * @return mixed Last inserted ID
2782 * @access public
2783 */
2784 function getInsertID() {
2785 return $this->__insertID;
2786 }
2787  
2788 /**
2789 * Sets the ID of the last record this model inserted
2790 *
2791 * @param mixed Last inserted ID
2792 * @access public
2793 */
2794 function setInsertID($id) {
2795 $this->__insertID = $id;
2796 }
2797  
2798 /**
2799 * Returns the number of rows returned from the last query.
2800 *
2801 * @return int Number of rows
2802 * @access public
2803 */
2804 function getNumRows() {
2805 $db =& ConnectionManager::getDataSource($this->useDbConfig);
2806 return $db->lastNumRows();
2807 }
2808  
2809 /**
2810 * Returns the number of rows affected by the last query.
2811 *
2812 * @return int Number of rows
2813 * @access public
2814 */
2815 function getAffectedRows() {
2816 $db =& ConnectionManager::getDataSource($this->useDbConfig);
2817 return $db->lastAffected();
2818 }
2819  
2820 /**
2821 * Sets the DataSource to which this model is bound.
2822 *
2823 * @param string $dataSource The name of the DataSource, as defined in app/config/database.php
2824 * @return boolean True on success
2825 * @access public
2826 */
2827 function setDataSource($dataSource = null) {
2828 $oldConfig = $this->useDbConfig;
2829  
2830 if ($dataSource != null) {
2831 $this->useDbConfig = $dataSource;
2832 }
2833 $db =& ConnectionManager::getDataSource($this->useDbConfig);
2834 if (!empty($oldConfig) && isset($db->config['prefix'])) {
2835 $oldDb =& ConnectionManager::getDataSource($oldConfig);
2836  
2837 if (!isset($this->tablePrefix) || (!isset($oldDb->config['prefix']) || $this->tablePrefix == $oldDb->config['prefix'])) {
2838 $this->tablePrefix = $db->config['prefix'];
2839 }
2840 } elseif (isset($db->config['prefix'])) {
2841 $this->tablePrefix = $db->config['prefix'];
2842 }
2843  
2844 if (empty($db) || !is_object($db)) {
2845 return $this->cakeError('missingConnection', array(array('code' => 500, 'className' => $this->alias)));
2846 }
2847 }
2848  
2849 /**
2850 * Gets the DataSource to which this model is bound.
2851 * Not safe for use with some versions of PHP4, because this class is overloaded.
2852 *
2853 * @return object A DataSource object
2854 * @access public
2855 */
2856 function &getDataSource() {
2857 $db =& ConnectionManager::getDataSource($this->useDbConfig);
2858 return $db;
2859 }
2860  
2861 /**
2862 * Gets all the models with which this model is associated.
2863 *
2864 * @param string $type Only result associations of this type
2865 * @return array Associations
2866 * @access public
2867 */
2868 function getAssociated($type = null) {
2869 if ($type == null) {
2870 $associated = array();
2871 foreach ($this->__associations as $assoc) {
2872 if (!empty($this->{$assoc})) {
2873 $models = array_keys($this->{$assoc});
2874 foreach ($models as $m) {
2875 $associated[$m] = $assoc;
2876 }
2877 }
2878 }
2879 return $associated;
2880 } elseif (in_array($type, $this->__associations)) {
2881 if (empty($this->{$type})) {
2882 return array();
2883 }
2884 return array_keys($this->{$type});
2885 } else {
2886 $assoc = array_merge(
2887 $this->hasOne,
2888 $this->hasMany,
2889 $this->belongsTo,
2890 $this->hasAndBelongsToMany
2891 );
2892 if (array_key_exists($type, $assoc)) {
2893 foreach ($this->__associations as $a) {
2894 if (isset($this->{$a}[$type])) {
2895 $assoc[$type]['association'] = $a;
2896 break;
2897 }
2898 }
2899 return $assoc[$type];
2900 }
2901 return null;
2902 }
2903 }
2904  
2905 /**
2906 * Gets the name and fields to be used by a join model. This allows specifying join fields
2907 * in the association definition.
2908 *
2909 * @param object $model The model to be joined
2910 * @param mixed $with The 'with' key of the model association
2911 * @param array $keys Any join keys which must be merged with the keys queried
2912 * @return array
2913 * @access public
2914 */
2915 function joinModel($assoc, $keys = array()) {
2916 if (is_string($assoc)) {
2917 return array($assoc, array_keys($this->{$assoc}->schema()));
2918 } elseif (is_array($assoc)) {
2919 $with = key($assoc);
2920 return array($with, array_unique(array_merge($assoc[$with], $keys)));
2921 }
2922 trigger_error(
2923 sprintf(__('Invalid join model settings in %s', true), $model->alias),
2924 E_USER_WARNING
2925 );
2926 }
2927  
2928 /**
2929 * Called before each find operation. Return false if you want to halt the find
2930 * call, otherwise return the (modified) query data.
2931 *
2932 * @param array $queryData Data used to execute this query, i.e. conditions, order, etc.
2933 * @return mixed true if the operation should continue, false if it should abort; or, modified
2934 * $queryData to continue with new $queryData
2935 * @access public
2936 * @link http://book.cakephp.org/view/1048/Callback-Methods#beforeFind-1049
2937 */
2938 function beforeFind($queryData) {
2939 return true;
2940 }
2941  
2942 /**
2943 * Called after each find operation. Can be used to modify any results returned by find().
2944 * Return value should be the (modified) results.
2945 *
2946 * @param mixed $results The results of the find operation
2947 * @param boolean $primary Whether this model is being queried directly (vs. being queried as an association)
2948 * @return mixed Result of the find operation
2949 * @access public
2950 * @link http://book.cakephp.org/view/1048/Callback-Methods#afterFind-1050
2951 */
2952 function afterFind($results, $primary = false) {
2953 return $results;
2954 }
2955  
2956 /**
2957 * Called before each save operation, after validation. Return a non-true result
2958 * to halt the save.
2959 *
2960 * @return boolean True if the operation should continue, false if it should abort
2961 * @access public
2962 * @link http://book.cakephp.org/view/1048/Callback-Methods#beforeSave-1052
2963 */
2964 function beforeSave($options = array()) {
2965 return true;
2966 }
2967  
2968 /**
2969 * Called after each successful save operation.
2970 *
2971 * @param boolean $created True if this save created a new record
2972 * @access public
2973 * @link http://book.cakephp.org/view/1048/Callback-Methods#afterSave-1053
2974 */
2975 function afterSave($created) {
2976 }
2977  
2978 /**
2979 * Called before every deletion operation.
2980 *
2981 * @param boolean $cascade If true records that depend on this record will also be deleted
2982 * @return boolean True if the operation should continue, false if it should abort
2983 * @access public
2984 * @link http://book.cakephp.org/view/1048/Callback-Methods#beforeDelete-1054
2985 */
2986 function beforeDelete($cascade = true) {
2987 return true;
2988 }
2989  
2990 /**
2991 * Called after every deletion operation.
2992 *
2993 * @access public
2994 * @link http://book.cakephp.org/view/1048/Callback-Methods#afterDelete-1055
2995 */
2996 function afterDelete() {
2997 }
2998  
2999 /**
3000 * Called during validation operations, before validation. Please note that custom
3001 * validation rules can be defined in $validate.
3002 *
3003 * @return boolean True if validate operation should continue, false to abort
3004 * @param $options array Options passed from model::save(), see $options of model::save().
3005 * @access public
3006 * @link http://book.cakephp.org/view/1048/Callback-Methods#beforeValidate-1051
3007 */
3008 function beforeValidate($options = array()) {
3009 return true;
3010 }
3011  
3012 /**
3013 * Called when a DataSource-level error occurs.
3014 *
3015 * @access public
3016 * @link http://book.cakephp.org/view/1048/Callback-Methods#onError-1056
3017 */
3018 function onError() {
3019 }
3020  
3021 /**
3022 * Private method. Clears cache for this model.
3023 *
3024 * @param string $type If null this deletes cached views if Cache.check is true
3025 * Will be used to allow deleting query cache also
3026 * @return boolean true on delete
3027 * @access protected
3028 * @todo
3029 */
3030 function _clearCache($type = null) {
3031 if ($type === null) {
3032 if (Configure::read('Cache.check') === true) {
3033 $assoc[] = strtolower(Inflector::pluralize($this->alias));
3034 $assoc[] = strtolower(Inflector::underscore(Inflector::pluralize($this->alias)));
3035 foreach ($this->__associations as $key => $association) {
3036 foreach ($this->$association as $key => $className) {
3037 $check = strtolower(Inflector::pluralize($className['className']));
3038 if (!in_array($check, $assoc)) {
3039 $assoc[] = strtolower(Inflector::pluralize($className['className']));
3040 $assoc[] = strtolower(Inflector::underscore(Inflector::pluralize($className['className'])));
3041 }
3042 }
3043 }
3044 clearCache($assoc);
3045 return true;
3046 }
3047 } else {
3048 //Will use for query cache deleting
3049 }
3050 }
3051  
3052 /**
3053 * Called when serializing a model.
3054 *
3055 * @return array Set of object variable names this model has
3056 * @access private
3057 */
3058 function __sleep() {
3059 $return = array_keys(get_object_vars($this));
3060 return $return;
3061 }
3062  
3063 /**
3064 * Called when de-serializing a model.
3065 *
3066 * @access private
3067 * @todo
3068 */
3069 function __wakeup() {
3070 }
3071 }
3072 if (!defined('CAKEPHP_UNIT_TEST_EXECUTION')) {
3073 Overloadable::overload('Model');
3074 }
3075  
3076