<?php

	class AddressesEventHandler extends kDBEventHandler {

		/**
		 * Checks permissions of user
		 *
		 * @param kEvent $event
		 */
		function CheckPermission(&$event)
		{
			if (!$this->Application->IsAdmin()) {
				$user_id = $this->Application->RecallVar('user_id');

				if ($event->Name == 'OnDelete') {
					$id = $this->getPassedID($event);
					$address_dummy =& $this->Application->recallObject($event->Prefix.'.-item', null, Array('skip_autoload' => true));
					$address_dummy->Load($id);
					if ($address_dummy->GetDBField('PortalUserId') == $user_id) {
						// user is allowed to delete it's own address, but not other user address
						return true;
					}
				}


				$items_info = $this->Application->GetVar($event->getPrefixSpecial(true));

				foreach ($items_info as $id => $field_values) {
					if ($field_values['PortalUserId'] != $user_id) {
						// user is trying to perform event on other user address record
					}

					if ($event->Name == 'OnCreate' || $event->Name == 'OnUpdate') {
						// all checks were ok -> it's user's order -> allow to modify
						return true;
					}
				}
			}

			return parent::CheckPermission($event);
		}


		/**
		 * Get's special of main item for linking with subitem
		 *
		 * @param kEvent $event
		 * @return string
		 */
		function getMainSpecial(&$event)
		{
			return '';
		}

		/**
		 * Enter description here...
		 *
		 * @param kEvent $event
		 */
		function SetCustomQuery(&$event)
		{
			$types = $event->getEventParam('types');
			if($types == 'myaddresses')
			{
				$object =& $event->getObject();
				$user_id = $this->Application->RecallVar('user_id');
				$object->addFilter('myitems_user','%1$s.PortalUserId = '.$user_id);
			}
		}

		/**
		 * Set currently logged in user as owner of address
		 *
		 * @param kEvent $event
		 */
		function OnNew(&$event)
		{
			parent::OnNew($event);

			$object =& $event->getObject();
			$object->SetDBField('PortalUserId', $this->Application->RecallVar('user_id') );
		}

		/**
		 * Update LastUsed statuses for address
		 *
		 * @param kEvent $event
		 */
		function setLastUsed(&$event)
		{
			$object =& $event->getObject(Array('skip_autoload' => true));

			$items_info = $this->Application->GetVar( $event->getPrefixSpecial(true) );
			if ($items_info) {
				list($id, $field_values) = each($items_info);
				$this->processLastUsed($field_values, 'Shipping');
				$this->processLastUsed($field_values, 'Billing');
				$items_info[$id] = $field_values;
				$this->Application->SetVar( $event->getPrefixSpecial(true), $items_info );
			}
		}

		function processLastUsed(&$field_values, $type)
		{
			$is_last = $field_values['LastUsedAs'.$type];
			if ($is_last) {
				$sql = 'UPDATE '.$this->Application->getUnitOption($this->Prefix, 'TableName').'
						SET LastUsedAs'.$type.' = 0
						WHERE PortalUserId = '.$field_values['PortalUserId'];
					$this->Conn->Query($sql);
			}
			$field_values['LastUsedAs'.$type] = (int)$is_last;
		}

		function OnUpdate(&$event)
		{
			$cs_helper =& $this->Application->recallObject('CountryStatesHelper');
			$cs_helper->CheckStateField($event, 'State', 'Country');
			$this->setLastUsed($event);

			parent::OnUpdate($event);

			$this->setNextTemplate($event);
		}

		/**
		 * Creates new user
		 *
		 * @param kEvent $event
		 */
		function OnCreate(&$event)
		{
			$cs_helper =& $this->Application->recallObject('CountryStatesHelper');
			$cs_helper->CheckStateField($event, 'State', 'Country');
			$this->setLastUsed($event);

			parent::OnCreate($event);

			$this->setNextTemplate($event);
		}

		/**
		 * Enter description here...
		 *
		 * @param kEvent $event
		 */
		function setNextTemplate(&$event)
		{
			if( !$this->Application->IsAdmin() )
			{
				$event->redirect_params['opener'] = 's';
				$next_template = $this->Application->GetVar('next_template');
				if($next_template) $event->redirect = $next_template;
			}
		}

		/**
		 * [HOOK] Prefill states dropdown with correct values
		 *
		 * @param kEvent $event
		 * @access public
		 */
		function OnPrepareStates(&$event)
		{
			$cs_helper =& $this->Application->recallObject('CountryStatesHelper');
			$cs_helper->PopulateStates($event, 'State', 'Country');

			$object =& $event->MasterEvent->getObject();

			if( $object->isRequired('Country') && $cs_helper->CountryHasStates( $object->GetDBField('Country') ) ) $object->setRequired('State', true);
		}


		/**
		 * [HOOK] Update PortalUser table when address marked as ProfileAddress is changed via addr prefix object
		 *
		 * @param kEvent $event
		 */
		function OnUpdateProfileAddress(&$event)
		{
			$user =& $this->Application->recallObject('u.current');

			if ($this->Application->GetVar('billing_address_id') > 0) {
				$address_id = $this->Application->GetVar('billing_address_id');
			}
			elseif ($this->Application->GetVar('shipping_address_id') > 0) {
				$address_id = $this->Application->GetVar('shipping_address_id');
			}
			else {
				$address_id = false;
			}

			if (!$address_id) {
				return true;
			}

			$address =& $event->getObject(Array('skip_autoload' => true));
			$address->Load($address_id);
			if (!$address->GetDBField('IsProfileAddress')) {
				return true;
			}

			$field_map = Array(	'Company'		=>	1,
								'Phone'			=>	1,
								'Fax'			=>	1,
								'Email'			=>	1,
								'Address1'		=>	'Street',
								'Address2'		=>	'Street2',
								'City'			=>	1,
								'State'			=>	1,
								'Zip'			=>	1,
								'Country'		=>	1,
						);

			$user->setName( $address->GetDBField('To') );

			foreach ($field_map as $src_field => $dst_field) {
				if ($dst_field == 1) $dst_field = $src_field;
				$user->SetDBField($dst_field, $address->GetDBField($src_field));
			}

			return $user->Update();
		}

		/**
		 * [HOOK] Create user profile address based on PortalUser table data
		 *
		 * @param kEvent $event
		 */
		function OnUpdateUserProfile(&$event)
		{
			$user =& $event->MasterEvent->getObject();

			$load_keys = Array('PortalUserId' => $user->GetID(), 'IsProfileAddress' => 1);

			$address =& $this->Application->recallObject($event->Prefix.'.-item', null, Array('skip_autoload' => true));
			$address->Load($load_keys);

			$field_map = Array(	'PortalUserId'	=>	1,
								'Company'		=>	1,
								'Phone'			=>	1,
								'Fax'			=>	1,
								'Email'			=>	1,
								'Address1'		=>	'Street',
								'Address2'		=>	'Street2',
								'City'			=>	1,
								'State'			=>	1,
								'Zip'			=>	1,
								'Country'		=>	1,
						);

			$full_name = trim($user->GetDBField('FirstName').' '.$user->GetDBField('LastName'));
			$address->SetDBField('To', $full_name);
			$address->SetDBField('IsProfileAddress', 1);

			foreach ($field_map as $dst_field => $src_field) {
				if ($src_field == 1) $src_field = $dst_field;
				$address->SetDBField($dst_field, $user->GetDBField($src_field));
			}

			$sql = 'SELECT SUM(IF(LastUsedAsBilling = 1, 1, 0 )) AS HasBilling, SUM(IF(LastUsedAsShipping = 1, 1, 0)) AS HasShipping
					FROM '.$address->TableName.'
					WHERE PortalUserId = '.$user->GetID();
			$address_status = $this->Conn->GetRow($sql);

			if (!$address_status['HasBilling']) {
				$address->SetDBField('LastUsedAsBilling', 1);
			}

			if (!$address_status['HasShipping']) {
				$address->SetDBField('LastUsedAsShipping', 1);
			}

			return $address->isLoaded() ? $address->Update() : $address->Create();
		}

	}

?>