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,
25 * SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
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.
31 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
32 * these Appropriate Legal Notices must retain the display of the "Powered by
33 * SugarCRM" logo. If the display of the logo is not reasonably feasible for
34 * technical reasons, the Appropriate Legal Notices must display the words
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36 ********************************************************************************/
40 //Load all relationship metadata
41 include_once("modules/TableDictionary.php");
42 require_once("data/BeanFactory.php");
45 define('REL_LHS','LHS');
46 define('REL_RHS','RHS');
47 define('REL_BOTH','BOTH_SIDES');
48 define('REL_MANY_MANY', 'many-to-many');
49 define('REL_ONE_MANY', 'one-to-many');
50 define('REL_ONE_ONE', 'one-to-one');
52 * A relationship is between two modules.
53 * It contains at least two links.
54 * Each link represents a connection from one record to the records linked in this relationship.
55 * Links have a context(focus) bean while relationships do not.
58 abstract class SugarRelationship
63 protected $ignore_role_filter = false;
64 protected $self_referencing = false; //A relationship is self referencing when LHS module = RHS Module
66 protected static $beansToResave = array();
68 public abstract function add($lhs, $rhs, $additionalFields = array());
72 * @param $lhs SugarBean
73 * @param $rhs SugarBean
76 public abstract function remove($lhs, $rhs);
80 * @param $link Link2 loads the rows for this relationship that match the given link
83 public abstract function load($link);
86 * Gets the query to load a link.
87 * This is currently public, but should prob be made protected later.
90 * @param $link Link Object to get query for.
91 * @return string|array query used to load this relationship
93 public abstract function getQuery($link, $params = array());
98 * @return string|array the query to join against the related modules table for the given link.
100 public abstract function getJoin($link);
104 * @param SugarBean $lhs
105 * @param SugarBean $rhs
108 public abstract function relationship_exists($lhs, $rhs);
112 * @return string name of the table for this relationship
114 public abstract function getRelationshipTable();
117 * @param $link Link2 removes all the beans associated with this link from the relationship
120 public function removeAll($link)
122 $focus = $link->getFocus();
123 $related = $link->getBeans();
124 foreach($related as $relBean)
126 if (empty($relBean->id)) {
130 if ($link->getSide() == REL_LHS)
131 $this->remove($focus, $relBean);
133 $this->remove($relBean, $focus);
138 * @param $rowID id of SugarBean to remove from the relationship
141 public function removeById($rowID){
142 $this->removeRow(array("id" => $rowID));
146 * @return string name of right hand side module.
148 public function getRHSModule()
150 return $this->def['rhs_module'];
154 * @return string name of left hand side module.
156 public function getLHSModule()
158 return $this->def['lhs_module'];
162 * @return String left link in relationship.
164 public function getLHSLink()
166 return $this->lhsLink;
170 * @return String right link in relationship.
172 public function getRHSLink()
174 return $this->rhsLink;
178 * @return array names of fields stored on the relationship
180 public function getFields()
182 return isset($this->def['fields']) ? $this->def['fields'] : array();
186 * @param array $row values to be inserted into the relationship
187 * @return bool|void null if new row was inserted and true if an exesting row was updated
189 protected function addRow($row)
191 $existing = $this->checkExisting($row);
192 if (!empty($existing)) //Update the existing row, overriding the values with those passed in
193 return $this->updateRow($existing['id'], array_merge($existing, $row));
196 foreach($this->getFields() as $def)
198 $field = $def['name'];
199 if (isset($row[$field]))
200 $values[$field] = "'{$row[$field]}'";
202 $values[$field] = "''";
204 $columns = implode(',', array_keys($values));
205 $values = implode(',', $values);
208 $query = "INSERT INTO {$this->getRelationshipTable()} ($columns) VALUES ($values)";
209 DBManagerFactory::getInstance()->query($query);
214 * @param $id id of row to update
215 * @param $values values to insert into row
216 * @return resource result of update satatement
218 protected function updateRow($id, $values)
221 //Unset the ID since we are using it to update the row
222 if (isset($values['id'])) unset($values['id']);
223 foreach($values as $field => $val)
225 $newVals[] = "$field='$val'";
228 $newVals = implode(",",$newVals);
230 $query = "UPDATE {$this->getRelationshipTable()} set $newVals WHERE id='$id'";
232 return DBManagerFactory::getInstance()->query($query);
236 * Removes one or more rows from the relationship table
237 * @param $where array of field=>value pairs to match
238 * @return bool|resource
240 protected function removeRow($where)
245 $date_modified = TimeDate::getInstance()->getNow()->asDb();
246 $stringSets = array();
247 foreach ($where as $field => $val)
249 $stringSets[] = "$field = '$val'";
251 $whereString = "WHERE " . implode(" AND ", $stringSets);
253 $query = "UPDATE {$this->getRelationshipTable()} set deleted=1 , date_modified = '$date_modified' $whereString";
255 return DBManagerFactory::getInstance()->query($query);
260 * Checks for an existing row who's keys match the one passed in.
262 * @return array|bool returns false if now row is found, otherwise the row is returned
264 protected function checkExisting($row)
266 $leftIDName = $this->def['join_key_lhs'];
267 $rightIDName = $this->def['join_key_rhs'];
268 if (empty($row[$leftIDName]) || empty($row[$rightIDName]))
271 $leftID = $row[$leftIDName];
272 $rightID = $row[$rightIDName];
273 //Check the relationship role as well
274 $roleCheck = $this->getRoleWhere();
276 $query = "SELECT * FROM {$this->getRelationshipTable()} WHERE $leftIDName='$leftID' AND $rightIDName='$rightID' $roleCheck AND deleted=0";
278 $db = DBManagerFactory::getInstance();
279 $result = $db->query($query);
280 $row = $db->fetchByAssoc($result);
290 * Gets the relationship role column check for the where clause
291 * @param string $table
294 protected function getRoleWhere($table = "", $ignore_role_filter = false)
296 $ignore_role_filter = $ignore_role_filter || $this->ignore_role_filter;
299 $table = $this->getRelationshipTable();
300 if (!empty($this->def['relationship_role_column']) && !empty($this->def["relationship_role_column_value"]) && !$ignore_role_filter )
303 $roleCheck = " AND $this->relationship_role_column";
305 $roleCheck = " AND $table.{$this->relationship_role_column}";
307 if (empty($this->def['relationship_role_column_value']))
309 $roleCheck.=' IS NULL';
311 $roleCheck.= " = '$this->relationship_role_column_value'";
318 * @param SugarBean $focus base bean the hooks is triggered from
319 * @param SugarBean $related bean being added/removed/updated from relationship
320 * @param string $link_name name of link being triggerd
321 * @return array base arguments to pass to relationship logic hooks
323 protected function getCustomLogicArguments($focus, $related, $link_name)
325 $custom_logic_arguments = array();
326 $custom_logic_arguments['id'] = $focus->id;
327 $custom_logic_arguments['related_id'] = $related->id;
328 $custom_logic_arguments['module'] = $focus->module_dir;
329 $custom_logic_arguments['related_module'] = $related->module_dir;
330 $custom_logic_arguments['link'] = $link_name;
331 $custom_logic_arguments['relationship'] = $this->name;
333 return $custom_logic_arguments;
337 * Call the after add logic hook for a given link
338 * @param SugarBean $focus base bean the hooks is triggered from
339 * @param SugarBean $related bean being added/removed/updated from relationship
340 * @param string $link_name name of link being triggerd
343 protected function callAfterAdd($focus, $related, $link_name="")
345 $custom_logic_arguments = $this->getCustomLogicArguments($focus, $related, $link_name);
346 $focus->call_custom_logic('after_relationship_add', $custom_logic_arguments);
350 * @param SugarBean $focus
351 * @param SugarBean $related
352 * @param string $link_name
355 protected function callAfterDelete($focus, $related, $link_name="")
357 $custom_logic_arguments = $this->getCustomLogicArguments($focus, $related, $link_name);
358 $focus->call_custom_logic('after_relationship_delete', $custom_logic_arguments);
362 * Adds a realted Bean to the list to be resaved along with the current bean.
364 * @param SugarBean $bean
367 public static function addToResaveList($bean)
369 if (!isset(self::$beansToResave[$bean->module_dir]))
371 self::$beansToResave[$bean->module_dir] = array();
373 self::$beansToResave[$bean->module_dir][$bean->id] = $bean;
381 public static function resaveRelatedBeans()
383 $GLOBALS['resavingRelatedBeans'] = true;
385 //Resave any bean not currently in the middle of a save operation
386 foreach(self::$beansToResave as $module => $beans)
388 foreach ($beans as $bean)
390 if (empty($bean->deleted) && empty($bean->in_save))
397 $GLOBALS['resavingRelatedBeans'] = false;
399 //Reset the list of beans that will need to be resaved
400 self::$beansToResave = array();
404 * @return bool true if the relationship is a flex / parent relationship
406 public function isParentRelationship()
408 //check role fields to see if this is a parent (flex relate) relationship
409 if(!empty($this->def["relationship_role_column"]) && !empty($this->def["relationship_role_column_value"])
410 && $this->def["relationship_role_column"] == "parent_type" && $this->def['rhs_key'] == "parent_id")
417 public function __get($name)
419 if (isset($this->def[$name]))
420 return $this->def[$name];
424 case "relationship_type":
426 case 'relationship_name':
429 return $this->getLHSModule();
431 return $this->getRHSModule();
433 isset($this->def['lhs_table']) ? $this->def['lhs_table'] : "";
435 isset($this->def['rhs_table']) ? $this->def['rhs_table'] : "";
437 return array('lhs_table', 'lhs_key', 'rhs_module', 'rhs_table', 'rhs_key', 'relationship_type');
440 if (isset($this->$name))