336 lines
No EOL
10 KiB
PHP
336 lines
No EOL
10 KiB
PHP
<?php
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/**
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* @author Michael Tänzer
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*/
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class Default_Model_User {
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protected $db;
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protected $id;
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protected $points = null;
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protected function __construct(Zend_Db_Adapter_Abstract $db, $id) {
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// Not allowed to create new users from within the manager
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$this->db = $db;
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$this->id = $id;
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}
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/**
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* Get an user object for the given ID
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*
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* @param $id int
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* @return Default_Model_User
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*/
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public static function findById($id) {
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// Get database connection
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$config = new Zend_Config_Ini(
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APPLICATION_PATH . '/configs/application.ini',
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APPLICATION_ENV);
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$db = Zend_Db::factory($config->ca_mgr->db->auth->pdo,
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$config->ca_mgr->db->auth);
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// Check if the ID is present on the test server
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$query = 'select `id` from `users` where `id` = :user';
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$query_params['user'] = $id;
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$result = $db->query($query, $query_params);
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if ($result->rowCount() !== 1) {
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throw new Exception(
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__METHOD__ . ': user ID not found in the data base');
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}
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$row = $result->fetch();
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return new Default_Model_User($db, $row['id']);
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}
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/**
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* Get an user object for the currently logged in user
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*
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* @return Default_Model_User
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*/
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public static function findCurrentUser() {
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$session = Zend_Registry::get('session');
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if ($session->authdata['authed'] !== true) {
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throw new Exception(
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__METHOD__ . ': you need to log in to use this feature');
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}
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return self::findById($session->authdata['authed_id']);
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}
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/**
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* Get the first assurer who didn't already assure the user
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*
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* @return Default_Model_User
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*/
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public function findNewAssurer()
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{
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$query = 'select min(`id`) as `assurer` from `users` ' .
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'where `email` like \'john.doe-___@example.com\' and ' .
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'`id` not in (select `from` from `notary` where `to` = :user)';
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$query_params['user'] = $this->id;
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$row = $this->db->query($query, $query_params)->fetch();
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if ($row['assurer'] === NULL) {
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throw new Exception(
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__METHOD__ . ': no more assurers that haven\'t already '.
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'assured this account');
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}
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return new Default_Model_User($this->db, $row['assurer']);
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}
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/**
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* Refresh the current value of points from the test server
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*
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* Needed if operations outside this class are made, that might affect the
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* user's points
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*/
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public function refreshPoints() {
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$query = 'select sum(`points`) as `total` from `notary` '.
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'where `to` = :user';
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$query_params['user'] = $this->id;
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$row = $this->db->query($query, $query_params)->fetch();
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if ($row['total'] === null) $row['total'] = 0;
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$this->points = $row['total'];
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}
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/**
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* Get points of the user
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*
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* @return int
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* The amount of points the user has
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*/
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public function getPoints()
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{
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if ($this->points === null) {
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$this->refreshPoints();
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}
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return $this->points;
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}
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/**
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* Fix the assurer flag for the user
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*/
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public function fixAssurerFlag()
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{
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// TODO: unset flag if requirements are not met
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$query = 'UPDATE `users` SET `assurer` = 1 WHERE `users`.`id` = :user AND '.
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'EXISTS(SELECT * FROM `cats_passed` AS `cp`, `cats_variant` AS `cv` '.
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'WHERE `cp`.`variant_id` = `cv`.`id` AND `cv`.`type_id` = 1 AND '.
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'`cp`.`user_id` = :user) AND '.
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'(SELECT SUM(`points`) FROM `notary` WHERE `to` = :user AND '.
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'`expire` < now()) >= 100';
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$query_params['user'] = $this->id;
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$this->db->query($query, $query_params);
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}
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/**
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* @return boolean
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*/
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public function getAssurerStatus() {
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$query = 'SELECT 1 FROM `users` WHERE `users`.`id` = :user AND '.
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'`assurer_blocked` = 0 AND '.
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'EXISTS(SELECT * FROM `cats_passed` AS `cp`, `cats_variant` AS `cv` '.
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'WHERE `cp`.`variant_id` = `cv`.`id` AND `cv`.`type_id` = 1 AND '.
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'`cp`.`user_id` = :user) AND '.
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'(SELECT SUM(`points`) FROM `notary` WHERE `to` = :user AND '.
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'`expire` < now()) >= 100';
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$query_params['user'] = $this->id;
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$result = $this->db->query($query, $query_params);
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if ($result->rowCount() === 1) {
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return true;
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}
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return false;
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}
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/**
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* @return Zend_Date
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*/
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public function getDob() {
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$query = 'select `dob` from `users` where `id` = :user';
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$query_params['user'] = $this->id;
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$row = $this->db->query($query, $query_params)->fetch();
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return new Zend_Date($row['dob'], Zend_Date::ISO_8601);
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}
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/**
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* @return int
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*/
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public function getAge() {
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$now = new Zend_Date();
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$dob = $this->getDob();
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$age = $now->get(Zend_Date::YEAR) - $dob->get(Zend_Date::YEAR);
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// Did we have a happy birthday already this year?
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$dob->setYear($now);
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if ($dob->compare($now) > 0) {
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$age -= 1;
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}
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return $age;
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}
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/**
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* Assure another user. Usual restrictions apply
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*
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* @param $assuree Default_Model_User
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* @param $points int
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* @param $location string
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* @param $date string
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* @throws Exception
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*
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* @return int
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* The amount of points that have been issued (might be less than
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* $points)
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*/
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public function assure(Default_Model_User $assuree, $points, $location,
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$date) {
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// Sanitize inputs
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$points = intval($points);
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$location = stripslashes($location);
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$date = stripslashes($date);
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if (!$this->getAssurerStatus()) {
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throw new Exception(
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__METHOD__ . ': '.$this->id.' needs to be an assurer to do '.
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'assurances');
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}
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if ($this->id === $assuree->id) {
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throw new Exception(
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__METHOD__ . ': '.$this->id.' is not allowed to assure '.
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'himself');
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}
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$query = 'select * from `notary` where `from`= :assurer and '.
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'`to`= :assuree';
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$query_params['assurer'] = $this->id;
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$query_params['assuree'] = $assuree->id;
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$result = $this->db->query($query, $query_params);
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if ($result->rowCount() > 0 && $this->getPoints() < 200) {
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throw new Exception(
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__METHOD__ . ': '.$this->id.' is not allowed to assure '.
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$assuree->id .' more than once');
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}
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// Respect the maximum points
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$max = $this->maxpoints();
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$points = min($points, $max);
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$rounddown = $points;
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if ($max < 100) {
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if ($assuree->getPoints() + $points > 100)
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$rounddown = 100 - $assuree->getPoints();
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} else {
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if ($assuree->getPoints() + $points > $max)
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$rounddown = $max - $assuree->getPoints();
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}
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if ($rounddown < 0) $rounddown = 0;
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$query = 'select * from `notary` where `from` = :assurer and '.
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'`to` = :assuree and `awarded` = :points and '.
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'`location` = :location and `date` = :date';
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$query_params['assurer'] = $this->id;
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$query_params['assuree'] = $assuree->id;
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$query_params['points'] = $points;
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$query_params['location'] = $location;
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$query_params['date'] = $date;
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$result = $this->db->query($query, $query_params);
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if ($result->rowCount() > 0) {
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throw new Exception(
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__METHOD__ . ': '.$this->id.' is not allowed to do the same '.
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'assurance to '.$assuree->id.' more than once');
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}
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// Make sure it is empty
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$assurance = array();
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$assurance['from'] = $this->id;
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$assurance['to'] = $assuree->id;
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$assurance['points'] = $rounddown;
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$assurance['awarded'] = $points;
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$assurance['location'] = $location;
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$assurance['date'] = $date;
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$assurance['when'] = new Zend_Db_Expr('now()');
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$this->db->insert('notary', $assurance);
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$assuree->points += $rounddown;
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$assuree->fixAssurerFlag();
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if ($this->getPoints() < 150) {
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$addpoints = 0;
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if ($this->getPoints() < 149 && $this->getPoints() >= 100) {
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$addpoints = 2;
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} elseif ($this->getPoints() === 149) {
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$addpoints = 1;
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}
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$this->adminIncrease($addpoints, $location, $date);
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}
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return $rounddown;
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}
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/**
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* Do an administrative increase
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*
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* @param $points int
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* @param $location string
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* @param $date string
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*/
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public function adminIncrease($points, $location, $date) {
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//Sanitize inputs
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$points = intval($points);
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$location = stripslashes($location);
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$date = stripslashes($date);
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$increase = array();
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$increase['from'] = $this->id;
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$increase['to'] = $this->id;
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$increase['points'] = $points;
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$increase['awarded'] = $points;
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$increase['location'] = $location;
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$increase['date'] = $date;
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$increase['method'] = 'Administrative Increase';
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$increase['when'] = new Zend_Db_Expr('now()');
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$this->db->insert('notary', $increase);
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$this->points += $points;
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$this->fixAssurerFlag();
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}
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/**
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* Maximum number of points the user may issue
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*
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* @return int
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*/
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private function maxpoints() {
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if (!$this->getAssurerStatus()) return 0;
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if ($this->getAge() < 18) return 10;
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$points = $this->getPoints();
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if ($points >= 300) return 200;
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if ($points >= 200) return 150;
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if ($points >= 150) return 35;
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if ($points >= 140) return 30;
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if ($points >= 130) return 25;
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if ($points >= 120) return 20;
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if ($points >= 110) return 15;
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if ($points >= 100) return 10;
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// Should not get here
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throw new Exception(
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__METHOD__ . ': '.$this->id.' We have reached unreachable code');
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}
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} |