<?php

	class UserProfileTagProcessor extends kDBTagProcessor {

		function Field($params)
		{
			$profile_mapping = $this->getProfileMapping();
			$field = $this->SelectParam($params, 'name,field');

			if (isset($params['profile_field']) && $params['profile_field']) {
				$params['name'] = $profile_mapping[$field];
				$value = $this->Application->ProcessParsedTag('u.profile', 'Field', $params);
			}
			else {
				$profile_user_id = $this->Application->GetVar('user_id');
				if (!$profile_user_id) {
					// if none user_id given use current user id
					$profile_user_id = $this->Application->RecallVar('user_id');
				}
				$value = $this->recallUserProfileVar($profile_user_id, $field);
			}

			if (isset($params['checked']) && $params['checked']) {
				$checked_value = isset($params['value']) ? $params['value'] : 1;
				$value = ($value == $checked_value) ? 'checked' : '';
			}

			return $value;
		}

		/**
		 * Allows to get persistent var from other user
		 *
		 * @param int $user_id
		 * @param string $var_name
		 * @return mixed
		 */
		function recallUserProfileVar($user_id, $var_name)
		{
			static $cached_vars = null;

			if (!isset($cached_vars)) {
				$sql = 'SELECT VariableValue, VariableName
						FROM '.TABLE_PREFIX.'PersistantSessionData
						WHERE (PortalUserId = '.$user_id.') AND (LENGTH(VariableValue) < 10)';
				$cached_vars = $this->Conn->GetCol($sql, 'VariableName');
			}

			return isset($cached_vars[$var_name]) ? $cached_vars[$var_name] : false;
		}

		/**
		 * Returns mapping between persistent var name and user profile field
		 *
		 * @return Array
		 */
		function getProfileMapping()
		{
			$profile_mapping = Array (
				'pp_firstname' => 'FirstName',
				'pp_lastname' => 'LastName',
				'pp_dob' => 'dob',
				'pp_email' => 'Email',
				'pp_phone' => 'Phone',
				'pp_street' => 'Street',
				'pp_city' => 'City',
				'pp_state' => 'State',
				'pp_zip' => 'Zip',
				'pp_country' => 'Country',
			);

			return $profile_mapping;
		}
	}

?>