2 if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
3 /*********************************************************************************
4 * SugarCRM Community Edition is a customer relationship management program developed by
5 * SugarCRM, Inc. Copyright (C) 2004-2011 SugarCRM Inc.
7 * This program is free software; you can redistribute it and/or modify it under
8 * the terms of the GNU Affero General Public License version 3 as published by the
9 * Free Software Foundation with the addition of the following permission added
10 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
11 * IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
12 * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
14 * This program is distributed in the hope that it will be useful, but WITHOUT
15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
16 * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
19 * You should have received a copy of the GNU Affero General Public License along with
20 * this program; if not, see http://www.gnu.org/licenses or write to the Free
21 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
24 * You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
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27 * The interactive user interfaces in modified source and object code versions
28 * of this program must display Appropriate Legal Notices, as required under
29 * Section 5 of the GNU Affero General Public License version 3.
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36 ********************************************************************************/
40 /*********************************************************************************
42 * Description: Represents a relationship from a single beans perspective.
43 * Does not activly do work but is used by sugarbean to manipulate relationships.
44 * Work is defered to the relationship classes.
46 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
47 * All Rights Reserved.
48 * Contributor(s): ______________________________________..
49 ********************************************************************************/
51 require_once("data/Relationships/RelationshipFactory.php");
54 * Represents a relationship from a single beans perspective.
59 protected $relationship; //relationship object this link is tied to.
60 protected $focus; //SugarBean this link uses as the context for its calls.
61 protected $def; //Field def for this link
62 protected $name; //Field name for this link
63 protected $beans; //beans on the other side of the link
64 protected $rows; //any additional fields on the relationship
65 protected $loaded; //true if this link has been loaded from the database
66 protected $relationship_fields = array();
67 //Used to store unsaved beans on this relationship that will be combined with the ones pulled from the DB if getBeans() is called.
68 protected $tempBeans = array();
71 * @param $linkName String name of a link field in the module's vardefs
72 * @param $bean SugarBean focus bean for this link (one half of a relationship)
73 * @param $linkDef Array Optional vardef for the link in case it can't be found in the passed in bean for the global dictionary
77 function __construct($linkName, $bean, $linkDef = false){
79 //Try to load the link vardef from the beans field defs. Otherwise start searching
80 if (empty($bean->field_defs) || empty($bean->field_defs[$linkName]) || empty($bean->field_defs[$linkName]['relationship']))
84 //Assume $linkName is really relationship_name, and find the link name with the vardef manager
85 $this->def = VardefManager::getLinkFieldForRelationship($bean->module_dir, $bean->object_name, $linkName);
88 $this->def = $linkDef;
90 //Check if multiple links were found for a given relationship
91 if (is_array($this->def) && !isset($this->def['name']))
93 //More than one link found, we need to figure out if we are currently on the LHS or RHS
94 //default to lhs for now
95 if (isset($this->def[0]['side']) && $this->def[0]['side'] == 'left')
97 $this->def = $this->def[0];
99 else if (isset($this->def[1]['side']) && $this->def[1]['side'] == 'left')
101 $this->def = $this->def[1];
104 $this->def = $this->def[0];
107 if (empty($this->def['name']))
109 $GLOBALS['log']->fatal("failed to find link for $linkName");
113 $this->name = $this->def['name'];
116 //Linkdef was found in the bean (this is the normal expectation)
117 $this->def = $bean->field_defs[$linkName];
118 $this->name = $linkName;
120 //Instantiate the relationship for this link.
121 $this->relationship = SugarRelationshipFactory::getInstance()->getRelationship($this->def['relationship']);
123 if (!$this->loadedSuccesfully())
125 $GLOBALS['log']->fatal("{$this->name} for {$this->def['relationship']} failed to load\n");
127 //Following behavior is tied to a property(ignore_role) value in the vardef. It alters the values of 2 properties, ignore_role_filter and add_distinct.
128 //the property values can be altered again before any requests are made.
129 if (!empty($this->def) && is_array($this->def)) {
130 if (array_key_exists('ignore_role', $this->def)) {
131 if ($this->def['ignore_role']) {
132 $this->ignore_role_filter=true;
133 $this->add_distinct=true;
140 * Returns false if no relationship was found for this link
143 public function loadedSuccesfully()
145 return !empty($this->relationship);
149 * Forces the link to load the relationship rows.
150 * Will be called internally when the $rows property is accessed or get() is called
153 public function load()
155 $data = $this->relationship->load($this);
156 $this->rows = $data['rows'];
158 $this->loaded = true;
162 * @return array ids of records related through this link
164 public function get($role = false) {
168 return array_keys($this->rows);
174 * @return string name of table for the relationship of this link
176 public function getRelatedTableName() {
177 return BeanFactory::getBean($this->getRelatedModuleName())->table_name;
181 * @return string the name of the module on the other side of this link
183 public function getRelatedModuleName() {
184 if (!$this->relationship) return false;
186 if ($this->getSide() == REL_LHS) {
187 return $this->relationship->getRHSModule();
189 return $this->relationship->getLHSModule();
194 * @return string the name of the link field used on the other side of the rel
196 public function getRelatedModuleLinkName() {
197 if (!$this->relationship) return false;
199 if ($this->getSide() == REL_LHS) {
200 return $this->relationship->getRHSLink();
202 return $this->relationship->getLHSLink();
208 * @return string "many" if multiple records can be related through this link
209 * or "one" if at most, one record can be related.
211 public function getType()
213 switch ($this->relationship->type)
220 return $this->getSide() == REL_LHS ? "many" : "one";
226 * @return SugarBean The parent Bean this link references
228 public function getFocus()
235 * @return list of fields that exist only on the relationship
237 public function getRelatedFields(){
238 return $this->relationship_fields;
243 * @return The value for the relationship field $name
245 public function getRelatedField($name){
246 if (!empty($this->relationship_fields) && !empty($this->relationship_fields[$name]))
247 return $this->relationship_fields[$name];
249 return null; //For now return null. Later try the relationship object directly.
253 * @return SugarRelationship the relationship object this link references
255 public function getRelationshipObject() {
256 return $this->relationship;
260 * @return string "LHS" or "RHS" depending on the side of the relationship this link represents
262 public function getSide() {
263 //First try the relationship
264 if ($this->relationship->getLHSLink() == $this->name &&
265 ($this->relationship->getLHSModule() == $this->focus->module_name)
270 if ($this->relationship->getRHSLink() == $this->name &&
271 ($this->relationship->getRHSModule() == $this->focus->module_name)
276 //Next try the vardef
277 if (!empty($this->def['side']))
279 if ((strtolower($this->def['side']) == 'left' || $this->def['side'] == REL_LHS)
280 //Some relationships make have left in the vardef errorneously if generated by module builder
281 && $this->name != $this->relationship->def['join_key_lhs'])
289 //Next try using the id_name and relationship join keys
290 else if (!empty($this->def['id_name']))
292 if (isset($this->relationship->def['join_key_lhs']) && $this->def['id_name'] == $this->relationship->def['join_key_lhs'])
294 else if (isset($this->relationship->def['join_key_rhs']) && $this->def['id_name'] == $this->relationship->def['join_key_rhs'])
298 $GLOBALS['log']->error("Unable to get proper side for link {$this->name}");
302 * @return bool true if LHSModule == RHSModule
304 protected function is_self_relationship() {
305 return $this->relationship->isSelfReferencing();
309 * @return bool true if this link represents a relationship where the parent could be one of multiple modules. (ex. Activities parent)
311 public function isParentRelationship(){
312 return $this->relationship->isParentRelationship();
316 * @param $params array of parameters. Possible parameters include:
317 * 'join_table_link_alias': alias the relationship join table in the query (for M2M relationships),
318 * 'join_table_alias': alias for the final table to be joined against (usually a module main table)
319 * @param bool $return_array if true the query is returned as a array broken up into
320 * select, join, where, type, rel_key, and joined_tables
321 * @return string/array join query for this link
323 function getJoin($params, $return_array =false)
325 return $this->relationship->getJoin($this, $params, $return_array);
329 * @param array $params optional parameters. Possible Values;
330 * 'return_as_array': returns the query broken into
331 * @return String/Array query to grab just ids for this relationship
333 function getQuery($params = array())
335 return $this->relationship->getQuery($this, $params);
339 * This function is similair getJoin except for M2m relationships it won't join agaist the final table.
340 * Its used to retrieve the ID of the related beans only
341 * @param $params array of parameters. Possible parameters include:
342 * 'return_as_array': returns the query broken into
343 * @param bool $return_array same as passing 'return_as_array' into parameters
344 * @return string/array query to use when joining for subpanels
346 public function getSubpanelQuery($params = array(), $return_array = false)
348 if (!empty($this->def['ignore_role']))
349 $params['ignore_role'] = true;
350 return $this->relationship->getSubpanelQuery($this, $params, $return_array);
354 * @return array of SugarBeans related through this link. Use with caution.
356 function getBeans() {
357 if (!$this->loaded) {
360 if(!is_array($this->beans))
362 $this->beans = array();
363 $rel_module = $this->getRelatedModuleName();
364 //First swap in the temp loaded beans
365 $this->beans = $this->tempBeans;
366 $this->tempBeans = array();
367 //now load from the rows
368 foreach ($this->rows as $id => $vals)
370 if (empty($this->beans[$id]))
372 $tmpBean = BeanFactory::getBean($rel_module, $id);
373 if($tmpBean !== FALSE)
374 $this->beans[$id] = $tmpBean;
383 * @return bool true if this link has initialized its related beans.
385 public function beansAreLoaded() {
386 return is_array($this->beans);
390 * use this function to create link between 2 objects
391 * 1:1 will be treated like 1 to many.
393 * the function also allows for setting of values for additional field in the table being
394 * updated to save the relationship, in case of many-to-many relationships this would be the join table.
396 * @param array $rel_keys array of ids or SugarBean objects. If you have the bean in memory, pass it in.
397 * @param array $additional_values the values should be passed as key value pairs with column name as the key name and column value as key value.
401 function add($rel_keys,$additional_values=array()) {
402 if (!is_array($rel_keys))
403 $rel_keys = array($rel_keys);
405 foreach($rel_keys as $key)
407 //We must use beans for LogicHooks and other buisiness logic to fire correctly
408 if (!($key instanceof SugarBean)) {
409 $key = $this->getRelatedBean($key);
410 if (!($key instanceof SugarBean)) {
411 $GLOBALS['log']->error("Unable to load related bean by id");
416 if(empty($key->id) || empty($this->focus->id))
419 if ($this->getSide() == REL_LHS) {
420 $this->relationship->add($this->focus, $key, $additional_values);
423 $this->relationship->add($key, $this->focus, $additional_values);
431 * Marks the relationship delted for this given record pair.
432 * @param $id id of the Parent/Focus SugarBean
433 * @param string $related_id id or SugarBean to unrelate. Pass a SugarBean if you have it.
436 function delete($id, $related_id='') {
437 if (empty($this->focus->id))
438 $this->focus = BeanFactory::getBean($this->focus->module_name, $id);
439 if (!empty($related_id))
441 if (!($related_id instanceof SugarBean)) {
442 $related_id = $this->getRelatedBean($related_id);
444 if ($this->getSide() == REL_LHS) {
445 $this->relationship->remove($this->focus, $related_id);
448 $this->relationship->remove($related_id, $this->focus);
453 $this->relationship->removeAll($this);
458 * Returns a SugarBean with the given ID from the related module.
459 * @param bool $id id of related record to retrieve
462 protected function getRelatedBean($id = false)
464 return BeanFactory::getBean($this->getRelatedModuleName(), $id);
467 public function &__get($name)
471 case "relationship_type":
472 return $this->relationship->type;
473 case "_relationship":
474 return $this->relationship;
476 if (!is_array($this->beans))
480 if (!is_array($this->rows))
487 public function __set($name, $val)
495 * Add a bean object to the list of beans currently loaded to this relationship.
496 * This for the most part should not need to be called except by the relatipnship implementation classes.
497 * @param SugarBean $bean
500 public function addBean($bean)
502 if (!is_array($this->beans))
504 $this->tempBeans[$bean->id] = $bean;
507 $this->beans[$bean->id] = $bean;
513 * Remove a bean object from the list of beans currently loaded to this relationship.
514 * This for the most part should not need to be called except by the relatipnship implementation classes.
516 * @param SugarBean $bean
519 public function removeBean($bean)
521 if (!is_array($this->beans) && isset($this->tempBeans[$bean->id]))
523 unset($this->tempBeans[$bean->id]);
525 unset($this->beans[$bean->id]);
526 unset($this->rows[$bean->id]);
532 * Directly queries the databse for set of values. The relationship classes and not link should handle this.
534 * @param $table_name string relationship table
535 * @param $join_key_values array of key=>values to identify this relationship by
536 * @return bool true if the given join key set exists in the relationship table
538 public function relationship_exists($table_name, $join_key_values) {
540 //find the key values for the table.
541 $dup_keys=$this->_get_alternate_key_fields($table_name);
542 if (empty($dup_keys)) {
543 $GLOBALS['log']->debug("No alternate key define, skipping duplicate check..");
548 $this->_duplicate_where=' WHERE ';
549 foreach ($dup_keys as $field) {
550 //look for key in $join_key_values, if found add to filter criteria else abort duplicate checking.
551 if (isset($join_key_values[$field])) {
553 $this->_duplicate_where .= $delimiter.' '.$field."='".$join_key_values[$field]."'";
556 $GLOBALS['log']->error('Duplicate checking aborted, Please supply a value for this column '.$field);
561 $this->_duplicate_where .= $delimiter.' deleted=0';
563 $query='SELECT id FROM '.$table_name.$this->_duplicate_where;
565 $GLOBALS['log']->debug("relationship_exists query(".$query.')');
567 $result=$this->_db->query($query, true);
568 $row = $this->_db->fetchByAssoc($result);
574 $this->_duplicate_key=$row['id'];
579 //Below are functions not used directly and exist for backwards compatiblity with customizations, will be removed in a later version
581 /* returns array of keys for duplicate checking, first check for an index of type alternate_key, if not found searches for
585 public function _get_alternate_key_fields($table_name) {
586 $indices=Link::_get_link_table_definition($table_name,'indices');
587 if (!empty($indices)) {
588 foreach ($indices as $index) {
589 if ( isset($index['type']) && $index['type'] == 'alternate_key' ) {
590 return $index['fields'];
594 //bug 32623, when the relationship is built in old version, there is no alternate_key. we have to use join_key_lhs and join_key_lhs.
595 $relDef = $this->relationship->def;
596 if (!empty($relDef['join_key_lhs']) && !empty($relDef['join_key_rhs']))
597 return array($relDef['join_key_lhs'], $relDef['join_key_rhs']);
602 * Gets the vardef for the relationship of this link.
604 public function _get_link_table_definition($table_name, $def_name) {
606 if (isset($this->relationship->def[$def_name]))
607 return $this->relationship->def[$def_name];
614 * Return the name of the role field for the passed many to many table.
615 * if there is no role filed : return false
616 * @param $table_name name of relationship table to inspect
617 * @return bool|string
619 public function _get_link_table_role_field($table_name) {
620 $varDefs = $this->_get_link_table_definition($table_name, 'fields');
622 if(!empty($varDefs)){
624 foreach($varDefs as $v){
625 if(strpos($v['name'], '_role') !== false){
626 $role_field = $v['name'];
636 * @return boolean returns true if this link is LHS
638 public function _get_bean_position()
640 return $this->getSide() == REL_LHS;