framework/main/classes/points/class_UserPoints.php

   1 <?php
   2 // Own namespace
   3 namespace CoreFramework\User\Point;
   4
   5 // Import framework stuff
   6 use CoreFramework\Criteria\Storing\StoreableCriteria;
   7 use CoreFramework\Factory\Database\Wrapper\DatabaseWrapperFactory;
   8 use CoreFramework\Factory\ObjectFactory;
   9 use CoreFramework\Object\BaseFrameworkSystem;
  10 use CoreFramework\Registry\Registerable;
  11 use CoreFramework\Request\Requestable;
  12 use CoreFramework\User\ManageableAccount;
  13
  14 /**
  15  * A class for handling user points which can be real or Internet currency
  16  *
  17  * @author              Roland Haeder <webmaster@shipsimu.org>
  18  * @version             0.0.0
  19  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
  20  * @license             GNU GPL 3.0 or any newer version
  21  * @link                http://www.shipsimu.org
  22  *
  23  * This program is free software: you can redistribute it and/or modify
  24  * it under the terms of the GNU General Public License as published by
  25  * the Free Software Foundation, either version 3 of the License, or
  26  * (at your option) any later version.
  27  *
  28  * This program is distributed in the hope that it will be useful,
  29  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  30  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  31  * GNU General Public License for more details.
  32  *
  33  * You should have received a copy of the GNU General Public License
  34  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  35  */
  36 class UserPoints extends BaseFrameworkSystem implements Registerable, BookablePoints {
  37         /**
  38          * Amount of points
  39          */
  40         private $amount = 0;
  41
  42         /**
  43          * Protected constructor
  44          *
  45          * @return      void
  46          */
  47         protected function __construct () {
  48                 // Call parent constructor
  49                 parent::__construct(__CLASS__);
  50         }
  51
  52         /**
  53          * Creates an instance of this points class
  54          *
  55          * @param       $userInstance           An instance of a user class
  56          * @return      $pointsInstance         An instance of this class
  57          */
  58         public static final function createUserPoints (ManageableAccount $userInstance) {
  59                 // Get a new instance
  60                 $pointsInstance = new UserPoints();
  61
  62                 // Set user instance
  63                 $pointsInstance->setUserInstance($userInstance);
  64
  65                 // Get a critieria instance
  66                 $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
  67
  68                 // Add search criteria
  69                 $searchInstance->addCriteria(UserPointsDatabaseWrapper::DB_COLUMN_POINTS_UID, $userInstance->getUserId());
  70                 $searchInstance->setLimit(1);
  71
  72                 // Get a wrapper instance
  73                 $wrapperInstance = DatabaseWrapperFactory::createWrapperByConfiguredName('user_points_db_wrapper_class');
  74
  75                 // Get result back
  76                 $resultInstance = $wrapperInstance->doSelectByCriteria($searchInstance);
  77
  78                 // Advance to first entry by default
  79                 $resultInstance->next();
  80
  81                 // Set it in this instance
  82                 $pointsInstance->setResultInstance($resultInstance);
  83
  84                 // Return instance
  85                 return $pointsInstance;
  86         }
  87
  88         /**
  89          * Setter for amount
  90          *
  91          * @param       $amount         Amount of points to store
  92          * @return      void
  93          */
  94         public final function setAmount ($amount) {
  95                 $this->amount = (float) $amount;
  96         }
  97
  98         /**
  99          * Getter for amount
 100          *
 101          * @return      $amount         Amount of points to store
 102          */
 103         public final function getAmount () {
 104                 return $this->amount;
 105         }
 106
 107         /**
 108          * Checks whether the user has the required amount of points left for the specified action
 109          *
 110          * @param       $action                 The action or configuration entry plus prefix the user wants to perform
 111          * @return      $hasRequired    Whether the user has the required points
 112          * @todo        Finish loading part of points
 113          */
 114         public function ifUserHasRequiredPoints ($action) {
 115                 // Default is that everyone is poor... ;-)
 116                 $hasRequired = false;
 117
 118                 // Get the required points entry
 119                 $requiredPoints = $this->getConfigInstance()->getConfigEntry($action . '_action_points');
 120
 121                 // Rewind always
 122                 $this->getResultInstance()->rewind();
 123
 124                 // Do we have an entry?
 125                 if ($this->getResultInstance()->next()) {
 126                         // Get the entry
 127                         $currEntry = $this->getResultInstance()->current();
 128
 129                         // Has he enought points?
 130                         $hasRequired = ($currEntry['points'] >= $requiredPoints);
 131                 } // END - if
 132
 133                 // Return the result
 134                 return $hasRequired;
 135         }
 136
 137         /**
 138          * "Books" the given points amount on the current user's account
 139          *
 140          * @param       $amount         Amount of points we shall book
 141          * @return      void
 142          */
 143         public function bookPointsDirectly ($amount) {
 144                 // Rewind always
 145                 $this->getResultInstance()->rewind();
 146
 147                 // Do we have an entry?
 148                 if ($this->getResultInstance()->next()) {
 149                         // Get the entry
 150                         $entry = $this->getResultInstance()->current();
 151
 152                         // Add the points
 153                         $amount += $entry[UserPointsDatabaseWrapper::DB_COLUMN_POINTS];
 154
 155                         // Now get another criteria
 156                         $updateInstance = ObjectFactory::createObjectByConfiguredName('update_criteria_class');
 157
 158                         // And add our both entries
 159                         $updateInstance->addCriteria(UserPointsDatabaseWrapper::DB_COLUMN_POINTS, $amount);
 160
 161                         // Add the search criteria for searching for the right entry
 162                         $updateInstance->setSearchInstance($searchInstance);
 163
 164                         // Set wrapper class name
 165                         $updateInstance->setWrapperConfigEntry('user_points_db_wrapper_class');
 166
 167                         // Remember the update in database result
 168                         $this->getResultInstance()->add2UpdateQueue($updateInstance);
 169                 } else {
 170                         // Set the amount in class
 171                         $this->setAmount($amount);
 172
 173                         // Create the new entry
 174                         $wrapperInstance->insertUserPoints($this);
 175                 }
 176         }
 177
 178         /**
 179          * Adds registration elements to a given dataset instance
 180          *
 181          * @param       $criteriaInstance       An instance of a StoreableCriteria class
 182          * @param       $requestInstance        An instance of a Requestable class
 183          * @return      void
 184          * @todo        $requestInstance is currently unused
 185          */
 186         public function addElementsToDataSet (StoreableCriteria $criteriaInstance, Requestable $requestInstance = NULL) {
 187                 // Add user id
 188                 $criteriaInstance->addCriteria(UserPointsDatabaseWrapper::DB_COLUMN_POINTS_UID, $this->getUserInstance()->getUserId());
 189
 190                 // Add amount
 191                 $criteriaInstance->addCriteria(UserPointsDatabaseWrapper::DB_COLUMN_POINTS, $this->getAmount());
 192         }
 193
 194 }