<?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) 2004-2013 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,
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 * 
 * 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
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require_once("data/Relationships/M2MRelationship.php");

/**
 * Represents a many to many relationship that is table based.
 * @api
 */
class EmailAddressRelationship extends M2MRelationship
{
    /**
     * For Email Addresses, there is only a link from the left side, so we need a new add function that ignores rhs
     * @param  $lhs SugarBean left side bean to add to the relationship.
     * @param  $rhs SugarBean right side bean to add to the relationship.
     * @param  $additionalFields key=>value pairs of fields to save on the relationship
     * @return boolean true if successful
     */
    public function add($lhs, $rhs, $additionalFields = array())
    {
        $lhsLinkName = $this->lhsLink;

        if (empty($lhs->$lhsLinkName) && !$lhs->load_relationship($lhsLinkName))
        {
            $lhsClass = get_class($lhs);
            $GLOBALS['log']->fatal("could not load LHS $lhsLinkName in $lhsClass");
            return false;
        }

            if ($lhs->$lhsLinkName->beansAreLoaded())
                $lhs->$lhsLinkName->addBean($rhs);

            $this->callBeforeAdd($lhs, $rhs, $lhsLinkName);

        //Many to many has no additional logic, so just add a new row to the table and notify the beans.
        $dataToInsert = $this->getRowToInsert($lhs, $rhs, $additionalFields);

        $this->addRow($dataToInsert);

        if ($this->self_referencing)
            $this->addSelfReferencing($lhs, $rhs, $additionalFields);

            if ($lhs->$lhsLinkName->beansAreLoaded())
                $lhs->$lhsLinkName->addBean($rhs);

            $this->callAfterAdd($lhs, $rhs, $lhsLinkName);

        return true;
    }

    public function remove($lhs, $rhs)
    {
        $lhsLinkName = $this->lhsLink;

        if (!($lhs instanceof SugarBean)) {
            $GLOBALS['log']->fatal("LHS is not a SugarBean object");
            return false;
        }
        if (!($rhs instanceof SugarBean)) {
            $GLOBALS['log']->fatal("RHS is not a SugarBean object");
            return false;
        }
        if (empty($lhs->$lhsLinkName) && !$lhs->load_relationship($lhsLinkName))
        {
            $GLOBALS['log']->fatal("could not load LHS $lhsLinkName");
            return false;
        }

        if (empty($_SESSION['disable_workflow']) || $_SESSION['disable_workflow'] != "Yes")
        {
            if (!empty($lhs->$lhsLinkName))
            {
                $lhs->$lhsLinkName->load();
                $this->callBeforeDelete($lhs, $rhs, $lhsLinkName);
            }
        }

        $dataToRemove = array(
            $this->def['join_key_lhs'] => $lhs->id,
            $this->def['join_key_rhs'] => $rhs->id
        );

        $this->removeRow($dataToRemove);

        if ($this->self_referencing)
            $this->removeSelfReferencing($lhs, $rhs);

        if (empty($_SESSION['disable_workflow']) || $_SESSION['disable_workflow'] != "Yes")
        {
            if (!empty($lhs->$lhsLinkName))
            {
                $lhs->$lhsLinkName->load();
                $this->callAfterDelete($lhs, $rhs, $lhsLinkName);
            }
        }

        return true;
    }
}