-<?php
-/**
- * A generic class for handling users
- *
- * @author Roland Haeder <webmaster@ship-simu.org>
- * @version 0.0.0
- * @copyright Copyright(c) 2007, 2008 Roland Haeder, this is free software
- * @license GNU GPL 3.0 or any newer version
- * @link http://www.ship-simu.org
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-class User extends BaseFrameworkSystem implements ManageableUser, Registerable {
- /**
- * Instance of the database result
- */
- private $resultInstance = null;
-
- /**
- * Username of current user
- */
- private $userName = "";
-
- /**
- * Email of current user
- */
- private $email = "";
-
- // Exceptions
- const EXCEPTION_USERNAME_NOT_FOUND = 0x150;
- const EXCEPTION_USER_EMAIL_NOT_FOUND = 0x151;
- const EXCEPTION_USER_PASS_MISMATCH = 0x152;
-
- /**
- * Protected constructor
- *
- * @param $className Name of the class
- * @return void
- */
- protected function __construct ($className = "") {
- // Is the class name empty? Then this is not a specialized user class
- if (empty($className)) $className = __CLASS__;
-
- // Call parent constructor
- parent::__construct($className);
-
- // Set part description
- $this->setObjectDescription("Generic user class");
-
- // Create unique ID number
- $this->generateUniqueId();
-
- // Clean up a little
- $this->removeNumberFormaters();
- $this->removeSystemArray();
- }
-
- /**
- * Creates an instance of this user class by a provided username. This
- * factory method will check if the username is already taken and if not
- * so it will throw an exception.
- *
- * @param $userName Username we need a class instance for
- * @return $userInstance An instance of this user class
- * @throws UsernameMissingException If the username does not exist
- */
- public final static function createUserByUsername ($userName) {
- // Get a new instance
- $userInstance = new User();
-
- // Set the username
- $userInstance->setUserName($userName);
-
- // Check if the username exists
- if (!$userInstance->ifUsernameExists()) {
- // Throw an exception here
- throw new UsernameMissingException(array($userInstance, $userName), self::EXCEPTION_USERNAME_NOT_FOUND);
- }
-
- // Return the instance
- return $userInstance;
- }
-
- /**
- * Creates an instance of this user class by a provided email address. This
- * factory method will not check if the email address is there.
- *
- * @param $email Email address of the user
- * @return $userInstance An instance of this user class
- */
- public final static function createUserByEmail ($email) {
- // Get a new instance
- $userInstance = new User();
-
- // Set the username
- $userInstance->setEmail($email);
-
- // Return the instance
- return $userInstance;
- }
-
- /**
- * Creates a user by a given request instance
- *
- * @param $requestInstance An instance of a Requestable class
- * @return $userInstance An instance of this user class
- */
- public final static function createUserByRequest (Requestable $requestInstance) {
- // Determine if by email or username
- if (!is_null($requestInstance->getRequestElement('username'))) {
- // Username supplied
- $userInstance = self::createUserByUserName($requestInstance->getRequestElement('username'));
- } elseif (!is_null($requestInstance->getRequestElement('email'))) {
- // Email supplied
- $userInstance = self::createUserByEmail($requestInstance->getRequestElement('email'));
- } else {
- // Unsupported mode
- $userInstance = new User();
- $userInstance->partialStub("We need to add more ways of creating user classes here.");
- $userInstance->debugBackTrace();
- exit();
- }
-
- // Return the prepared instance
- return $userInstance;
- }
-
- /**
- * "Getter" for databse entry
- *
- * @return $entry An array with database entries
- * @throws NullPointerException If the database result is not found
- * @throws InvalidDatabaseResultException If the database result is invalid
- */
- private function getDatabaseEntry () {
- // Is there an instance?
- if (is_null($this->resultInstance)) {
- // Throw new exception
- throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
- } // END - if
-
- // Rewind it
- $this->resultInstance->rewind();
-
- // Do we have an entry?
- if (!$this->resultInstance->valid()) {
- throw new InvalidDatabaseResultException(array($this, $this->resultInstance), DatabaseResult::EXCEPTION_INVALID_DATABASE_RESULT);
- } // END - if
-
- // Get next entry
- $this->resultInstance->next();
-
- // Fetch it
- $entry = $this->resultInstance->current();
-
- // And return it
- return $entry;
- }
-
- /**
- * Setter for username
- *
- * @param $userName The username to set
- * @return void
- */
- public final function setUserName ($userName) {
- $this->userName = $userName;
- }
-
- /**
- * Setter for email
- *
- * @param $email The email to set
- * @return void
- */
- protected final function setEmail ($email) {
- $this->email = $email;
- }
-
- /**
- * Getter for username
- *
- * @return $userName The username to get
- */
- public final function getUsername () {
- return $this->userName;
- }
-
- /**
- * Getter for email
- *
- * @return $email The email to get
- */
- public final function getEmail () {
- return $this->email;
- }
-
- /**
- * Determines wether the username exists or not
- *
- * @return $exists Wether the username exists
- */
- public function ifUsernameExists () {
- // By default the username does not exist
- $exists = false;
-
- // Is a previous result there?
- if (is_null($this->resultInstance)) {
- // Get a UserDatabaseWrapper instance
- $wrapperInstance = ObjectFactory::createObjectByConfiguredName('user_db_wrapper_class');
-
- // Create a search criteria
- $criteriaInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
-
- // Add the username as a criteria and set limit to one entry
- $criteriaInstance->addCriteria(UserDatabaseWrapper::DB_COLUMN_USERNAME, $this->getUsername());
- $criteriaInstance->setLimit(1);
-
- // Get a search result
- $this->resultInstance = $wrapperInstance->doSelectByCriteria($criteriaInstance);
- } else {
- // Rewind it
- $this->resultInstance->rewind();
- }
-
- // Search for it
- if ($this->resultInstance->next()) {
- // Entry found
- $exists = true;
- } // END - if
-
- // Return the status
- return $exists;
- }
-
- /**
- * Determines wether the email exists or not
- *
- * @return $exists Wether the email exists
- */
- public function ifEmailAddressExists () {
- // By default the email does not exist
- $exists = false;
-
- // Is a previous result there?
- if (is_null($this->resultInstance)) {
- // Get a UserDatabaseWrapper instance
- $wrapperInstance = ObjectFactory::createObjectByConfiguredName('user_db_wrapper_class');
-
- // Create a search criteria
- $criteriaInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
-
- // Add the username as a criteria and set limit to one entry
- $criteriaInstance->addCriteria(UserDatabaseWrapper::DB_COLUMN_EMAIL, $this->getEmail());
- $criteriaInstance->setLimit(1);
-
- // Get a search resultInstance
- $this->resultInstance = $wrapperInstance->doSelectByCriteria($criteriaInstance);
- } else {
- // Rewind it
- $this->resultInstance->rewind();
- }
-
- // Search for it
- if ($this->resultInstance->next()) {
- // Entry found
- $exists = true;
- } // END - if
-
- // Return the status
- return $exists;
- }
-
- /**
- * Checks if the supplied password hash in request matches with the stored
- * in database.
- *
- * @param $requestInstance A requestable class instance
- * @return $matches Wether the supplied password hash matches
- */
- public function ifPasswordHashMatches (Requestable $requestInstance) {
- // By default nothing matches... ;)
- $matches = false;
-
- // Get a UserDatabaseWrapper instance
- $wrapperInstance = ObjectFactory::createObjectByConfiguredName('user_db_wrapper_class');
-
- // Create a search criteria
- $criteriaInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
-
- // Add the username as a criteria and set limit to one entry
- $criteriaInstance->addCriteria(UserDatabaseWrapper::DB_COLUMN_USERNAME, $this->getUserName());
- $criteriaInstance->setLimit(1);
-
- // Get a search resultInstance
- $this->resultInstance = $wrapperInstance->doSelectByCriteria($criteriaInstance);
-
- // Search for it
- if ($this->resultInstance->next()) {
- // Get the current entry (can only be one!)
- $entry = $this->resultInstance->current();
-
- // So does the hashes match?
- //* DEBUG: */ echo $requestInstance->getRequestElement('pass_hash')."/".$entry['pass_hash'];
- $matches = ($requestInstance->getRequestElement('pass_hash') === $entry['pass_hash']);
- } // END - if
-
- // Return the status
- return $matches;
- }
-
- /**
- * Adds data for later complete update
- *
- * @param $column Column we want to update
- * @param $value New value to store in database
- * @return void
- * @todo 0% done
- */
- public function addUpdateData ($column, $value) {
- $this->partialStub("Column={$column}, value={$value}");
- }
-
- /**
- * "Getter" for user's password hash
- *
- * @return $passHash User's password hash from database result
- */
- public function getPasswordHash () {
- // Default is missing password hash
- $passHash = null;
-
- // Get a database entry
- $entry = $this->getDatabaseEntry();
-
- // Is the password hash there?
- if (isset($entry['pass_hash'])) {
- // Get it
- $passHash = $entry['pass_hash'];
- }
-
- // And return the hash
- return $passHash;
- }
-
- /**
- * Updates the last activity timestamp and last performed action in the
- * database result. You should call flushUpdates() to flush these updates
- * to the database layer.
- *
- * @param $requestInstance A requestable class instance
- * @return void
- */
- public function updateLastActivity (Requestable $requestInstance) {
- // Set last action
- $lastAction = $requestInstance->getRequestElement('action');
-
- // If there is no action use the default on
- if (is_null($lastAction)) {
- $lastAction = $this->getConfigInstance()->readConfig('login_default_action');
- } // END - if
-
- // Get a critieria instance
- $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
-
- // Add search criteria
- $searchInstance->addCriteria(UserDatabaseWrapper::DB_COLUMN_USERNAME, $this->getUserName());
- $searchInstance->setLimit(1);
-
- // Now get another criteria
- $updateInstance = ObjectFactory::createObjectByConfiguredName('update_criteria_class');
-
- // And add our both entries
- $updateInstance->addCriteria('last_activity', date("Y-m-d H:i:s", time()));
- $updateInstance->addCriteria('last_action', $lastAction);
-
- // Add the search criteria for searching for the right entry
- $updateInstance->setSearchInstance($searchInstance);
-
- // Remember the update in database result
- $this->resultInstance->add2UpdateQueue($updateInstance);
- }
-
- /**
- * Flushs all updated entries to the database layer
- *
- * @return void
- */
- public function flushUpdates () {
- // Get a database wrapper
- $wrapperInstance = ObjectFactory::createObjectByConfiguredName('user_db_wrapper_class');
-
- // Do we have data to update?
- if ($this->resultInstance->ifDataNeedsFlush()) {
- // Yes, then send the whole result to the database layer
- $wrapperInstance->doUpdateByResult($this->resultInstance);
- } // END - if
- }
-
- /**
- * Getter for field name
- *
- * @param $fieldName Field name which we shall get
- * @return $fieldValue Field value from the user
- */
- public function getField ($fieldName) {
- // Default field value
- $fieldValue = null;
-
- // Get current array
- $fieldArray = $this->resultInstance->current();
-
- // Does the field exist?
- if (isset($fieldArray[$fieldName])) {
- // Get it
- $fieldValue = $fieldArray[$fieldName];
- } // END - if
-
- // Return it
- return $fieldValue;
- }
-}
-
-// [EOF]
-?>