docs/include/classes/A4a/A4a.class.php

   1 <?php
   2 /************************************************************************/
   3 /* AContent                                                             */
   4 /************************************************************************/
   5 /* Copyright (c) 2010                                                   */
   6 /* Inclusive Design Institute                                           */
   7 /*                                                                      */
   8 /* This program is free software. You can redistribute it and/or        */
   9 /* modify it under the terms of the GNU General Public License          */
  10 /* as published by the Free Software Foundation.                        */
  11 /************************************************************************/
  12
  13 /**
  14  * Accessforall General class.
  15  * Based on the specification at:
  16  *              http://www.imsglobal.org/accessibility/index.html
  17  *
  18  * @date        Oct 3rd, 2008
  19  * @author      Harris Wong
  20  */
  21 class A4a {
  22         //variables
  23         var $cid = 0;                                           //content id
  24         var $resource_types = array();          //resource types hash mapping
  25         var $relative_path = '';                        //relative path to the file
  26
  27         //Constructor
  28         function A4a($cid){
  29                 $this->cid = intval($cid);
  30         }
  31
  32
  33         // Return resources type hash mapping.
  34         function getResourcesType($type_id=0){
  35                 $type_id = intval($type_id);
  36
  37                 //if this is the first time calling this function, grab the list from db
  38                 if (empty($resource_types)){
  39                         include_once(TR_INCLUDE_PATH.'classes/DAO/ResourceTypesDAO.class.php');
  40                         $resourceTypesDAO = new ResourceTypesDAO();
  41                         $rows = $resourceTypesDAO->getAll();
  42
  43                         if (is_array($rows))
  44                         {
  45                                 foreach ($rows as $row) $this->resource_types[$row['type_id']] = $row['type'];
  46                         }
  47                 }
  48
  49                 if (!empty($this->resource_types[$type_id])){
  50                         return $this->resource_types[$type_id];
  51                 }
  52                 return $this->resource_types;
  53         }
  54
  55
  56         // Get primary resources
  57         function getPrimaryResources(){
  58                 $pri_resources = array(); // cid=>[resource, language code]
  59
  60                 include_once(TR_INCLUDE_PATH.'classes/DAO/PrimaryResourcesDAO.class.php');
  61                 $primaryResourcesDAO = new PrimaryResourcesDAO();
  62                 $rows = $primaryResourcesDAO->getByContent($this->cid);
  63
  64                 if (is_array($rows)){
  65                         foreach ($rows as $row) {
  66                                 $pri_resources[$row['primary_resource_id']]['resource'] = $row['resource'];
  67                                 if ($row['language_code'] != ''){
  68                                         $pri_resources[$row['primary_resource_id']]['language_code'] = $row['language_code'];
  69                                 }
  70                         }
  71                 }
  72                 return $pri_resources;
  73         }
  74
  75     //get primary resource by resource name
  76     function getPrimaryResourceByName($resource_name){
  77         if ($resource_name==''){
  78             return array();
  79         }
  80
  81         include_once(TR_INCLUDE_PATH.'classes/DAO/PrimaryResourcesDAO.class.php');
  82         $primaryResourcesDAO = new PrimaryResourcesDAO();
  83         $pri_resources = $primaryResourcesDAO->getByResourceName($this->cid, $_SESSION['lang'], $resource_name);
  84         return $pri_resources;
  85     }
  86
  87
  88         // Get primary resources types
  89         function getPrimaryResourcesTypes($pri_resource_id=0){
  90                 $pri_resource_id = intval($pri_resource_id);
  91
  92                 //quit if id not specified
  93                 if ($pri_resource_id == 0) {
  94                         return array();
  95                 }
  96
  97                 $pri_resources_types = array(); // cid=>[type id]+
  98
  99                 include_once(TR_INCLUDE_PATH.'classes/DAO/PrimaryResourcesTypesDAO.class.php');
 100                 $primaryResourcesTypesDAO = new PrimaryResourcesTypesDAO();
 101                 $rows = $primaryResourcesTypesDAO->getByResourceID($pri_resource_id);
 102
 103                 if (is_array($rows)){
 104                         foreach ($rows as $row) {
 105                                 $pri_resources_types[$pri_resource_id][] = $row['type_id'];
 106                         }
 107                 }
 108                 return $pri_resources_types;
 109         }
 110
 111
 112         // Get secondary resources
 113         function getSecondaryResources($pri_resource_id=0){
 114                 global $db;
 115
 116                 $pri_resource_id = intval($pri_resource_id);
 117
 118                 //quit if id not specified
 119                 if ($pri_resource_id == 0) {
 120                         return array();
 121                 }
 122
 123                 $sec_resources = array(); // cid=>[resource, language code]
 124                 include_once(TR_INCLUDE_PATH.'classes/DAO/SecondaryResourcesDAO.class.php');
 125                 $secondaryResourcesDAO = new SecondaryResourcesDAO();
 126                 $rows = $secondaryResourcesDAO->getByPrimaryResourceID($pri_resource_id);
 127
 128                 if (is_array($rows)){
 129                         foreach ($rows as $row) {
 130                                 $sec_resources[$row['secondary_resource_id']]['resource'] = $row['secondary_resource'];
 131                                 if ($row['language_code'] != ''){
 132                                         $sec_resources[$row['secondary_resource_id']]['language_code'] = $row['language_code'];
 133                                 }
 134                         }
 135                 }
 136                 return $sec_resources;
 137         }
 138
 139
 140         // Get secondary resources types
 141         function getSecondaryResourcesTypes($sec_resource_id=0){
 142                 $sec_resource_id = intval($sec_resource_id);
 143
 144                 //quit if id not specified
 145                 if ($sec_resource_id == 0) {
 146                         return array();
 147                 }
 148
 149                 $sec_resources_types = array(); // cid=>[type id]+
 150                 include_once(TR_INCLUDE_PATH.'classes/DAO/SecondaryResourcesTypesDAO.class.php');
 151                 $secondaryResourcesTypesDAO = new SecondaryResourcesTypesDAO();
 152                 $rows = $secondaryResourcesTypesDAO->getByResourceID($sec_resource_id);
 153
 154                 if (is_array($rows)){
 155                         foreach ($rows as $row) {
 156                                 $sec_resources_types[] = $row['type_id'];
 157                         }
 158                 }
 159                 return $sec_resources_types;
 160         }
 161
 162
 163         // Insert primary resources into the db
 164         // @return primary resource id.
 165         function setPrimaryResource($content_id, $file_name, $lang){
 166                 include_once(TR_INCLUDE_PATH.'classes/DAO/PrimaryResourcesDAO.class.php');
 167                 $primaryResourcesDAO = new PrimaryResourcesDAO();
 168
 169                 if ($primaryResourcesDAO->Create($content_id, $file_name, $lang)){
 170                         return mysql_insert_id();
 171                 }
 172                 return false;
 173         }
 174
 175         // Insert primary resource type
 176         function setPrimaryResourceType($primary_resource_id, $type_id){
 177                 include_once(TR_INCLUDE_PATH.'classes/DAO/PrimaryResourcesTypesDAO.class.php');
 178                 $primaryResourcesTypesDAO = new PrimaryResourcesTypesDAO();
 179                 $primaryResourcesTypesDAO->Create($primary_resource_id, $type_id);
 180         }
 181
 182         // Insert secondary resource
 183         // @return secondary resource id
 184         function setSecondaryResource($primary_resource_id, $file_name, $lang){
 185                 include_once(TR_INCLUDE_PATH.'classes/DAO/SecondaryResourcesDAO.class.php');
 186                 $secondaryResourcesDAO = new SecondaryResourcesDAO();
 187                 if ($secondaryResourcesDAO->Create($primary_resource_id, $file_name, $lang)){
 188                         return mysql_insert_id();
 189                 }
 190                 return false;
 191         }
 192
 193         // Insert secondary resource
 194         function setSecondaryResourceType($secondary_resource, $type_id){
 195                 include_once(TR_INCLUDE_PATH.'classes/DAO/SecondaryResourcesTypesDAO.class.php');
 196                 $secondaryResourcesTypesDAO = new SecondaryResourcesTypesDAO();
 197                 $secondaryResourcesTypesDAO->Create($secondary_resource, $type_id);
 198         }
 199
 200
 201         // Set the relative path to all files
 202         function setRelativePath($path){
 203                 $this->relative_path = $path . '/';
 204         }
 205
 206
 207     /**
 208      * Delete this primary resource and all its associated secondary resources
 209      * @param   int     primary resournce id
 210      */
 211     function deletePrimaryResource($primary_rid){
 212         include_once(TR_INCLUDE_PATH.'classes/DAO/PrimaryResourcesDAO.class.php');
 213         $primaryResourcesDAO = new PrimaryResourcesDAO();
 214         $primaryResourcesDAO->DeleteByResourceID($primary_rid);
 215     }
 216
 217         // Delete all materials associated with this content
 218         function deleteA4a(){
 219                 include_once(TR_INCLUDE_PATH.'classes/DAO/PrimaryResourcesDAO.class.php');
 220                 $primaryResourcesDAO = new PrimaryResourcesDAO();
 221                 $rows = $primaryResourcesDAO->Delete($this->cid);
 222         }
 223 }
 224
 225 ?>