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<?php
if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
/*********************************************************************************
* SugarCRM Community Edition is a customer relationship management program developed by
* SugarCRM, Inc. Copyright (C) 2004-2012 SugarCRM Inc.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU Affero General Public License version 3 as published by the
* Free Software Foundation with the addition of the following permission added
* to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
* IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
* OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
* details.
*
* You should have received a copy of the GNU Affero General Public License along with
* this program; if not, see http://www.gnu.org/licenses or write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*
* You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
* SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License version 3.
*
* In accordance with Section 7(b) of the GNU Affero General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* SugarCRM" logo. If the display of the logo is not reasonably feasible for
* technical reasons, the Appropriate Legal Notices must display the words
* "Powered by SugarCRM".
********************************************************************************/
/*********************************************************************************
* Description: Represents a relationship from a single bean's perspective.
* Does not actively do work but is used by sugarbean to manipulate relationships.
* Work is deferred to the relationship classes.
*
* Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
* All Rights Reserved.
* Contributor(s): ______________________________________..
********************************************************************************/
global $dictionary;
require_once("data/Relationships/RelationshipFactory.php");
/**
* Represents a relationship from a single beans perspective.
* @api
*/
class Link2 {
protected $relationship; //relationship object this link is tied to.
protected $focus; //SugarBean this link uses as the context for its calls.
protected $def; //Field def for this link
protected $name; //Field name for this link
protected $beans; //beans on the other side of the link
protected $rows; //any additional fields on the relationship
protected $loaded; //true if this link has been loaded from the database
protected $relationship_fields = array();
//Used to store unsaved beans on this relationship that will be combined with the ones pulled from the DB if getBeans() is called.
protected $tempBeans = array();
/**
* @param $linkName String name of a link field in the module's vardefs
* @param $bean SugarBean focus bean for this link (one half of a relationship)
* @param $linkDef Array Optional vardef for the link in case it can't be found in the passed in bean for the global dictionary
* @return void
*
*/
function __construct($linkName, $bean, $linkDef = false){
$this->focus = $bean;
//Try to load the link vardef from the beans field defs. Otherwise start searching
if (empty($bean->field_defs) || empty($bean->field_defs[$linkName]) || empty($bean->field_defs[$linkName]['relationship']))
{
if (empty($linkDef))
{
//Assume $linkName is really relationship_name, and find the link name with the vardef manager
$this->def = VardefManager::getLinkFieldForRelationship($bean->module_dir, $bean->object_name, $linkName);
}
else {
$this->def = $linkDef;
}
//Check if multiple links were found for a given relationship
if (is_array($this->def) && !isset($this->def['name']))
{
//More than one link found, we need to figure out if we are currently on the LHS or RHS
//default to lhs for now
if (isset($this->def[0]['side']) && $this->def[0]['side'] == 'left')
{
$this->def = $this->def[0];
}
else if (isset($this->def[1]['side']) && $this->def[1]['side'] == 'left')
{
$this->def = $this->def[1];
}
else {
$this->def = $this->def[0];
}
}
if (empty($this->def['name']))
{
$GLOBALS['log']->fatal("failed to find link for $linkName");
return false;
}
$this->name = $this->def['name'];
}
else {
//Linkdef was found in the bean (this is the normal expectation)
$this->def = $bean->field_defs[$linkName];
$this->name = $linkName;
}
//Instantiate the relationship for this link.
$this->relationship = SugarRelationshipFactory::getInstance()->getRelationship($this->def['relationship']);
// Fix to restore functionality from Link.php that needs to be rewritten but for now this will do.
$this->relationship_fields = (!empty($this->def['rel_fields']))?$this->def['rel_fields']: array();
if (!$this->loadedSuccesfully())
{
$GLOBALS['log']->fatal("{$this->name} for {$this->def['relationship']} failed to load\n");
}
//Following behavior is tied to a property(ignore_role) value in the vardef. It alters the values of 2 properties, ignore_role_filter and add_distinct.
//the property values can be altered again before any requests are made.
if (!empty($this->def) && is_array($this->def)) {
if ( isset($this->def['ignore_role']) ) {
if ($this->def['ignore_role']) {
$this->ignore_role_filter=true;
$this->add_distinct=true;
}
}
}
}
/**
* Returns false if no relationship was found for this link
* @return bool
*/
public function loadedSuccesfully()
{
return !empty($this->relationship);
}
/**
* Forces the link to load the relationship rows.
* Will be called internally when the $rows property is accessed or get() is called
* @return void
*/
public function load($params = array())
{
$data = $this->query($params);
$this->rows = $data['rows'];
$this->beans = null;
$this->loaded = true;
}
/**
* Perform a query on this relationship.
*
* @param array $params An array that can contain the following parameters:<br/>
* <ul><li><b>where:</b> An array with 3 key/value pairs.
* lhs_field: The name of the field to check search.
* operator: The operator to use in the search.
* rhs_value: The value to search for.<br/>
* Example:<pre>
* 'where' => array(
'lhs_field' => 'source',
'operator' => '=',
'rhs_value' => 'external'
)</pre>
* </li>
* <li><b>limit:</b> The maximum number of rows</li>
* <li><b>deleted:</b> If deleted is set to 1, only deleted records related to the current record will be returned.</li></ul>
*/
public function query($params){
return $this->relationship->load($this, $params);
}
/**
* @return array ids of records related through this link
*/
public function get($role = false) {
if (!$this->loaded)
$this->load();
return array_keys($this->rows);
}
/**
* @deprecated
*
* @return string name of table for the relationship of this link
*/
public function getRelatedTableName() {
return BeanFactory::getBean($this->getRelatedModuleName())->table_name;
}
/**
* @return string the name of the module on the other side of this link
*/
public function getRelatedModuleName() {
if (!$this->relationship) return false;
if ($this->getSide() == REL_LHS) {
return $this->relationship->getRHSModule();
} else {
return $this->relationship->getLHSModule();
}
}
/**
* @return string the name of the link field used on the other side of the rel
*/
public function getRelatedModuleLinkName() {
if (!$this->relationship) return false;
if ($this->getSide() == REL_LHS) {
return $this->relationship->getRHSLink();
} else {
return $this->relationship->getLHSLink();
}
}
/**
*
* @return string "many" if multiple records can be related through this link
* or "one" if at most, one record can be related.
*/
public function getType()
{
switch ($this->relationship->type)
{
case REL_MANY_MANY:
return "many";
case REL_ONE_ONE:
return "one";
case REL_ONE_MANY:
return $this->getSide() == REL_LHS ? "many" : "one";
}
return "many";
}
/**
* @return SugarBean The parent Bean this link references
*/
public function getFocus()
{
return $this->focus;
}
/**
* @deprecated
* @return list of fields that exist only on the relationship
*/
public function getRelatedFields(){
return $this->relationship_fields;
}
/**
* @param $name
* @return The value for the relationship field $name
*/
public function getRelatedField($name){
if (!empty($this->relationship_fields) && !empty($this->relationship_fields[$name]))
return $this->relationship_fields[$name];
else
return null; //For now return null. Later try the relationship object directly.
}
/**
* @return SugarRelationship the relationship object this link references
*/
public function getRelationshipObject() {
return $this->relationship;
}
/**
* @return string "LHS" or "RHS" depending on the side of the relationship this link represents
*/
public function getSide() {
//First try the relationship
if ($this->relationship->getLHSLink() == $this->name &&
($this->relationship->getLHSModule() == $this->focus->module_name)
){
return REL_LHS;
}
if ($this->relationship->getRHSLink() == $this->name &&
($this->relationship->getRHSModule() == $this->focus->module_name)
){
return REL_RHS;
}
//Next try the vardef
if (!empty($this->def['side']))
{
if ((strtolower($this->def['side']) == 'left' || $this->def['side'] == REL_LHS)
//Some relationships make have left in the vardef erroneously if generated by module builder
&& (empty($this->relationship->def['join_key_lhs']) || $this->name != $this->relationship->def['join_key_lhs']))
{
return REL_LHS ;
}
else {
return REL_RHS;
}
}
//Next try using the id_name and relationship join keys
else if (!empty($this->def['id_name']))
{
if (isset($this->relationship->def['join_key_lhs']) && $this->def['id_name'] == $this->relationship->def['join_key_lhs'])
return REL_RHS;
else if (isset($this->relationship->def['join_key_rhs']) && $this->def['id_name'] == $this->relationship->def['join_key_rhs'])
return REL_LHS;
}
$GLOBALS['log']->error("Unable to get proper side for link {$this->name}");
}
/**
* @return bool true if LHSModule == RHSModule
*/
protected function is_self_relationship() {
return $this->relationship->isSelfReferencing();
}
/**
* @return bool true if this link represents a relationship where the parent could be one of multiple modules. (ex. Activities parent)
*/
public function isParentRelationship(){
return $this->relationship->isParentRelationship();
}
/**
* @param $params array of parameters. Possible parameters include:
* 'join_table_link_alias': alias the relationship join table in the query (for M2M relationships),
* 'join_table_alias': alias for the final table to be joined against (usually a module main table)
* @param bool $return_array if true the query is returned as a array broken up into
* select, join, where, type, rel_key, and joined_tables
* @return string/array join query for this link
*/
function getJoin($params, $return_array =false)
{
return $this->relationship->getJoin($this, $params, $return_array);
}
/**
* @param array $params optional parameters. Possible Values;
* 'return_as_array': returns the query broken into
* @return String/Array query to grab just ids for this relationship
*/
function getQuery($params = array())
{
return $this->relationship->getQuery($this, $params);
}
/**
* This function is similair getJoin except for M2m relationships it won't join agaist the final table.
* Its used to retrieve the ID of the related beans only
* @param $params array of parameters. Possible parameters include:
* 'return_as_array': returns the query broken into
* @param bool $return_array same as passing 'return_as_array' into parameters
* @return string/array query to use when joining for subpanels
*/
public function getSubpanelQuery($params = array(), $return_array = false)
{
if (!empty($this->def['ignore_role']))
$params['ignore_role'] = true;
return $this->relationship->getSubpanelQuery($this, $params, $return_array);
}
/**
* Use with caution as if you have a large list of beans in the relationship,
* it can cause the app to timeout or run out of memory.
*
* @param array $params An array that can contain the following parameters:<br/>
* <ul><li><b>where:</b> An array with 3 key/value pairs.
* lhs_field: The name of the field to check search.
* operator: The operator to use in the search.
* rhs_value: The value to search for.<br/>
* Example:<pre>
* 'where' => array(
'lhs_field' => 'source',
'operator' => '=',
'rhs_value' => 'external'
)</pre>
* </li>
* <li><b>limit:</b> The maximum number of beans to load.</li>
* <li><b>deleted:</b> If deleted is set to 1, only deleted records related to the current record will be returned.</li></ul>
* @return array of SugarBeans related through this link.
*/
function getBeans($params = array()) {
//Some depricated code attempts to pass in the old format to getBeans with a large number of useless paramters.
//reset the parameters if they are not in the new array format.
if (!is_array($params))
$params = array();
if (!$this->loaded && empty($params)) {
$this->load();
}
$rows = $this->rows;
//If params is set, we are doing a query rather than a complete load of the relationship
if (!empty($params)) {
$data = $this->query($params);
$rows = $data['rows'];
}
$result = array();
if(!$this->beansAreLoaded() || !empty($params))
{
if (!is_array($this->beans))
$this->beans = array();
$rel_module = $this->getRelatedModuleName();
//First swap in the temp loaded beans, only if we are doing a complete load (no params)
if (empty($params)) {
$result = $this->tempBeans;
$this->tempBeans = array();
}
//now load from the rows
foreach ($rows as $id => $vals)
{
if (empty($this->beans[$id]))
{
$tmpBean = BeanFactory::getBean($rel_module, $id);
if($tmpBean !== FALSE)
$result[$id] = $tmpBean;
} else {
$result[$id] = $this->beans[$id];
}
}
//If we did a compelte load, cache the result in $this->beans
if (empty($params))
$this->beans = $result;
} else {
$result = $this->beans;
}
return $result;
}
/**
* @return bool true if this link has initialized its related beans.
*/
public function beansAreLoaded() {
return is_array($this->beans);
}
/**
* use this function to create link between 2 objects
* 1:1 will be treated like 1 to many.
*
* the function also allows for setting of values for additional field in the table being
* updated to save the relationship, in case of many-to-many relationships this would be the join table.
*
* @param array $rel_keys array of ids or SugarBean objects. If you have the bean in memory, pass it in.
* @param array $additional_values the values should be passed as key value pairs with column name as the key name and column value as key value.
*
* @return boolean|array Return true if all relationships were added. Return an array with the failed keys if any of them failed.
*/
function add($rel_keys,$additional_values=array()) {
if (!is_array($rel_keys))
$rel_keys = array($rel_keys);
$failures = array();
foreach($rel_keys as $key)
{
//We must use beans for LogicHooks and other business logic to fire correctly
if (!($key instanceof SugarBean)) {
$key = $this->getRelatedBean($key);
if (!($key instanceof SugarBean)) {
$GLOBALS['log']->error("Unable to load related bean by id");
return false;
}
}
if(empty($key->id) || empty($this->focus->id))
return false;
if ($this->getSide() == REL_LHS) {
$success = $this->relationship->add($this->focus, $key, $additional_values);
}
else {
$success = $this->relationship->add($key, $this->focus, $additional_values);
}
if($success == false) {
$failures[] = $key->id;
}
}
if(!empty($failures)) {
return $failures;
}
return true;
}
/**
* Marks the relationship delted for this given record pair.
* @param $id id of the Parent/Focus SugarBean
* @param string $related_id id or SugarBean to unrelate. Pass a SugarBean if you have it.
* @return boolean true if delete was successful or false if it was not
*/
function delete($id, $related_id='') {
if (empty($this->focus->id))
$this->focus = BeanFactory::getBean($this->focus->module_name, $id);
if (!empty($related_id))
{
if (!($related_id instanceof SugarBean)) {
$related_id = $this->getRelatedBean($related_id);
}
if ($this->getSide() == REL_LHS) {
return $this->relationship->remove($this->focus, $related_id);
}
else {
return $this->relationship->remove($related_id, $this->focus);
}
}
else
{
return $this->relationship->removeAll($this);
}
}
/**
* Returns a SugarBean with the given ID from the related module.
* @param bool $id id of related record to retrieve
* @return SugarBean
*/
protected function getRelatedBean($id = false)
{
$params = array('encode' => true, 'deleted' => true);
return BeanFactory::getBean($this->getRelatedModuleName(), $id, $params);
}
public function &__get($name)
{
switch($name)
{
case "relationship_type":
return $this->relationship->type;
case "_relationship":
return $this->relationship;
case "beans":
if (!is_array($this->beans))
$this->getBeans();
return $this->beans;
case "rows":
if (!is_array($this->rows))
$this->load();
return $this->rows;
}
return $this->$name;
}
public function __set($name, $val)
{
if($name == "beans")
$this->beans = $val;
}
/**
* Add a bean object to the list of beans currently loaded to this relationship.
* This for the most part should not need to be called except by the relatipnship implementation classes.
* @param SugarBean $bean
* @return void
*/
public function addBean($bean)
{
if (!is_array($this->beans))
{
$this->tempBeans[$bean->id] = $bean;
}
else {
$this->beans[$bean->id] = $bean;
}
}
/**
* Remove a bean object from the list of beans currently loaded to this relationship.
* This for the most part should not need to be called except by the relatipnship implementation classes.
*
* @param SugarBean $bean
* @return void
*/
public function removeBean($bean)
{
if (!is_array($this->beans) && isset($this->tempBeans[$bean->id]))
{
unset($this->tempBeans[$bean->id]);
} else {
unset($this->beans[$bean->id]);
unset($this->rows[$bean->id]);
}
}
/**
* Directly queries the databse for set of values. The relationship classes and not link should handle this.
* @deprecated
* @param $table_name string relationship table
* @param $join_key_values array of key=>values to identify this relationship by
* @return bool true if the given join key set exists in the relationship table
*/
public function relationship_exists($table_name, $join_key_values) {
//find the key values for the table.
$dup_keys=$this->_get_alternate_key_fields($table_name);
if (empty($dup_keys)) {
$GLOBALS['log']->debug("No alternate key define, skipping duplicate check..");
return false;
}
$delimiter='';
$this->_duplicate_where=' WHERE ';
foreach ($dup_keys as $field) {
//look for key in $join_key_values, if found add to filter criteria else abort duplicate checking.
if (isset($join_key_values[$field])) {
$this->_duplicate_where .= $delimiter.' '.$field."='".$join_key_values[$field]."'";
$delimiter='AND';
} else {
$GLOBALS['log']->error('Duplicate checking aborted, Please supply a value for this column '.$field);
return false;
}
}
//add deleted check.
$this->_duplicate_where .= $delimiter.' deleted=0';
$query='SELECT id FROM '.$table_name.$this->_duplicate_where;
$GLOBALS['log']->debug("relationship_exists query(".$query.')');
$result=$this->_db->query($query, true);
$row = $this->_db->fetchByAssoc($result);
if ($row == null) {
return false;
}
else {
$this->_duplicate_key=$row['id'];
return true;
}
}
//Below are functions not used directly and exist for backwards compatibility with customizations, will be removed in a later version
/* returns array of keys for duplicate checking, first check for an index of type alternate_key, if not found searches for
* primary key.
*
*/
public function _get_alternate_key_fields($table_name) {
$indices=Link::_get_link_table_definition($table_name,'indices');
if (!empty($indices)) {
foreach ($indices as $index) {
if ( isset($index['type']) && $index['type'] == 'alternate_key' ) {
return $index['fields'];
}
}
}
//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.
$relDef = $this->relationship->def;
if (!empty($relDef['join_key_lhs']) && !empty($relDef['join_key_rhs']))
return array($relDef['join_key_lhs'], $relDef['join_key_rhs']);
}
/**
* @deprecated
* Gets the vardef for the relationship of this link.
*/
public function _get_link_table_definition($table_name, $def_name) {
if (isset($this->relationship->def[$def_name]))
return $this->relationship->def[$def_name];
return null;
}
/**
* @deprecated
* Return the name of the role field for the passed many to many table.
* if there is no role filed : return false
* @param $table_name name of relationship table to inspect
* @return bool|string
*/
public function _get_link_table_role_field($table_name) {
$varDefs = $this->_get_link_table_definition($table_name, 'fields');
$role_field = false;
if(!empty($varDefs)){
$role_field = '';
foreach($varDefs as $v){
if(strpos($v['name'], '_role') !== false){
$role_field = $v['name'];
}
}
}
return $role_field;
}
/**
* @deprecated
*
* @return boolean returns true if this link is LHS
*/
public function _get_bean_position()
{
return $this->getSide() == REL_LHS;
}
}
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