mod/label/backuplib.php

   1 <?php //$Id$
   2     //This php script contains all the stuff to backup/restore
   3     //label mods
   4
   5     //This is the "graphical" structure of the label mod:
   6     //
   7     //                       label
   8     //                     (CL,pk->id)
   9     //
  10     // Meaning: pk->primary key field of the table
  11     //          fk->foreign key to link with parent
  12     //          nt->nested field (recursive data)
  13     //          CL->course level info
  14     //          UL->user level info
  15     //          files->table may have files)
  16     //
  17     //-----------------------------------------------------------
  18
  19     //This function executes all the backup procedure about this mod
  20     function label_backup_mods($bf,$preferences) {
  21         global $CFG;
  22
  23         $status = true;
  24
  25         ////Iterate over label table
  26         if ($labels = get_records ("label","course", $preferences->backup_course,"id")) {
  27             foreach ($labels as $label) {
  28                 if (backup_mod_selected($preferences,'label',$label->id)) {
  29                     $status = label_backup_one_mod($bf,$preferences,$label);
  30                 }
  31             }
  32         }
  33         return $status;
  34     }
  35
  36     function label_backup_one_mod($bf,$preferences,$label) {
  37
  38         global $CFG;
  39
  40         if (is_numeric($label)) {
  41             $label = get_record('label','id',$label);
  42         }
  43
  44         $status = true;
  45
  46         //Start mod
  47         fwrite ($bf,start_tag("MOD",3,true));
  48         //Print assignment data
  49         fwrite ($bf,full_tag("ID",4,false,$label->id));
  50         fwrite ($bf,full_tag("MODTYPE",4,false,"label"));
  51         fwrite ($bf,full_tag("NAME",4,false,$label->name));
  52         fwrite ($bf,full_tag("CONTENT",4,false,$label->content));
  53         fwrite ($bf,full_tag("TIMEMODIFIED",4,false,$label->timemodified));
  54         //End mod
  55         $status = fwrite ($bf,end_tag("MOD",3,true));
  56
  57         return $status;
  58     }
  59
  60     ////Return an array of info (name,value)
  61     function label_check_backup_mods($course,$user_data=false,$backup_unique_code,$instances=null) {
  62         if (!empty($instances) && is_array($instances) && count($instances)) {
  63             $info = array();
  64             foreach ($instances as $id => $instance) {
  65                 $info += label_check_backup_mods_instances($instance,$backup_unique_code);
  66             }
  67             return $info;
  68         }
  69
  70          //First the course data
  71          $info[0][0] = get_string("modulenameplural","label");
  72          $info[0][1] = count_records("label", "course", "$course");
  73          return $info;
  74     }
  75
  76     ////Return an array of info (name,value)
  77     function label_check_backup_mods_instances($instance,$backup_unique_code) {
  78          //First the course data
  79         $info[$instance->id.'0'][0] = '<b>'.$instance->name.'</b>';
  80         $info[$instance->id.'0'][1] = '';
  81         return $info;
  82     }
  83
  84 ?>