mod/label/restorelib.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 restore procedure about this mod
  20     function label_restore_mods($mod,$restore) {
  21
  22         global $CFG;
  23
  24         $status = true;
  25
  26         //Get record from backup_ids
  27         $data = backup_getid($restore->backup_unique_code,$mod->modtype,$mod->id);
  28
  29         if ($data) {
  30             //Now get completed xmlized object
  31             $info = $data->info;
  32             //traverse_xmlize($info);                                                                     //Debug
  33             //print_object ($GLOBALS['traverse_array']);                                                  //Debug
  34             //$GLOBALS['traverse_array']="";                                                              //Debug
  35
  36             //Now, build the LABEL record structure
  37             $label->course = $restore->course_id;
  38             $label->name = backup_todb($info['MOD']['#']['NAME']['0']['#']);
  39             $label->content = backup_todb($info['MOD']['#']['CONTENT']['0']['#']);
  40             $label->timemodified = $info['MOD']['#']['TIMEMODIFIED']['0']['#'];
  41
  42             //The structure is equal to the db, so insert the label
  43             $newid = insert_record ("label",$label);
  44
  45             //Do some output
  46             if (!defined('RESTORE_SILENTLY')) {
  47                 echo "<li>".get_string("modulename","label")." \"".format_string(stripslashes($label->name),true)."\"</li>";
  48             }
  49             backup_flush(300);
  50
  51             if ($newid) {
  52                 //We have the newid, update backup_ids
  53                 backup_putid($restore->backup_unique_code,$mod->modtype,
  54                              $mod->id, $newid);
  55
  56             } else {
  57                 $status = false;
  58             }
  59         } else {
  60             $status = false;
  61         }
  62
  63         return $status;
  64     }
  65
  66     function label_decode_content_links_caller($restore) {
  67         global $CFG;
  68         $status = true;
  69
  70         if ($labels = get_records_sql ("SELECT l.id, l.content
  71                                    FROM {$CFG->prefix}label l
  72                                    WHERE l.course = $restore->course_id")) {
  73             $i = 0;   //Counter to send some output to the browser to avoid timeouts
  74             foreach ($labels as $label) {
  75                 //Increment counter
  76                 $i++;
  77                 $content = $label->content;
  78                 $result = restore_decode_content_links_worker($content,$restore);
  79
  80                 if ($result != $content) {
  81                     //Update record
  82                     $label->content = addslashes($result);
  83                     $status = update_record("label", $label);
  84                     if (debugging()) {
  85                         if (!defined('RESTORE_SILENTLY')) {
  86                             echo '<br /><hr />'.s($content).'<br />changed to<br />'.s($result).'<hr /><br />';
  87                         }
  88                     }
  89                 }
  90                 //Do some output
  91                 if (($i+1) % 5 == 0) {
  92                     if (!defined('RESTORE_SILENTLY')) {
  93                         echo ".";
  94                         if (($i+1) % 100 == 0) {
  95                             echo "<br />";
  96                         }
  97                     }
  98                     backup_flush(300);
  99                 }
 100             }
 101         }
 102         return $status;
 103     }
 104
 105     //This function returns a log record with all the necessay transformations
 106     //done. It's used by restore_log_module() to restore modules log.
 107     function label_restore_logs($restore,$log) {
 108
 109         $status = false;
 110
 111         //Depending of the action, we recode different things
 112         switch ($log->action) {
 113         case "add":
 114             if ($log->cmid) {
 115                 //Get the new_id of the module (to recode the info field)
 116                 $mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
 117                 if ($mod) {
 118                     $log->url = "view.php?id=".$log->cmid;
 119                     $log->info = $mod->new_id;
 120                     $status = true;
 121                 }
 122             }
 123             break;
 124         case "update":
 125             if ($log->cmid) {
 126                 //Get the new_id of the module (to recode the info field)
 127                 $mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
 128                 if ($mod) {
 129                     $log->url = "view.php?id=".$log->cmid;
 130                     $log->info = $mod->new_id;
 131                     $status = true;
 132                 }
 133             }
 134             break;
 135         default:
 136             if (!defined('RESTORE_SILENTLY')) {
 137                 echo "action (".$log->module."-".$log->action.") unknown. Not restored<br />";                 //Debug
 138             }
 139             break;
 140         }
 141
 142         if ($status) {
 143             $status = $log;
 144         }
 145         return $status;
 146     }
 147 ?>