mod/attendance/restorelib.php

   1 <?php //$Id$
   2     //This php script contains all the stuff to backup/restore
   3     //attendance mods
   4
   5     //This is the "graphical" structure of the attendance mod:
   6     //
   7     //                    attendance
   8     //                    (CL,pk->id)
   9     //                        |
  10     //                        |
  11     //                        |
  12     //                  attendance_roll
  13     //               (UL,pk->id, fk->dayid)
  14     //
  15     // Meaning: pk->primary key field of the table
  16     //          fk->foreign key to link with parent
  17     //          nt->nested field (recursive data)
  18     //          CL->course level info
  19     //          UL->user level info
  20     //          files->table may have files)
  21     //
  22     //-----------------------------------------------------------
  23
  24     //This function executes all the restore procedure about this mod
  25     function attendance_restore_mods($mod,$restore) {
  26
  27         global $CFG;
  28
  29         $status = true;
  30
  31         //Get record from backup_ids
  32         $data = backup_getid($restore->backup_unique_code,$mod->modtype,$mod->id);
  33
  34         if ($data) {
  35             //Now get completed xmlized object
  36             $info = $data->info;
  37             //traverse_xmlize($info);                                                                     //Debug
  38             //print_object ($GLOBALS['traverse_array']);                                                  //Debug
  39             //$GLOBALS['traverse_array']="";                                                              //Debug
  40
  41             //Now, build the ATTENDANCE record structure
  42             $attendance->course = $restore->course_id;
  43             $attendance->name = backup_todb($info['MOD']['#']['NAME']['0']['#']);
  44             $attendance->day = backup_todb($info['MOD']['#']['DAY']['0']['#']);
  45             $attendance->hours = backup_todb($info['MOD']['#']['HOURS']['0']['#']);
  46             $attendance->roll = backup_todb($info['MOD']['#']['ROLL']['0']['#']);
  47             $attendance->notes = backup_todb($info['MOD']['#']['NOTES']['0']['#']);
  48             $attendance->timemodified = backup_todb($info['MOD']['#']['TIMEMODIFIED']['0']['#']);
  49             $attendance->dynsection = backup_todb($info['MOD']['#']['DYNSECTION']['0']['#']);
  50             $attendance->edited = backup_todb($info['MOD']['#']['EDITED']['0']['#']);
  51             $attendance->autoattend = backup_todb($info['MOD']['#']['AUTOATTEND']['0']['#']);
  52
  53             //The structure is equal to the db, so insert the attendance
  54             $newid = insert_record ("attendance",$attendance);
  55
  56             //Do some output
  57             echo "<li>".get_string("modulename","attendance")." \"".$attendance->name."\"</li>";
  58             backup_flush(300);
  59
  60             if ($newid) {
  61                 //We have the newid, update backup_ids
  62                 backup_putid($restore->backup_unique_code,$mod->modtype,
  63                              $mod->id, $newid);
  64                 //Now check if want to restore user data and do it.
  65                 if ($restore->mods['attendance']->userinfo) {
  66                     //Restore attendance_roll
  67                     $status = attendance_roll_restore_mods ($newid,$info,$restore);
  68                 }
  69             } else {
  70                 $status = false;
  71             }
  72         } else {
  73             $status = false;
  74         }
  75
  76         return $status;
  77     }
  78
  79     //This function restores the attendance_roll
  80     function attendance_roll_restore_mods($attendance_id,$info,$restore) {
  81
  82         global $CFG;
  83
  84         $status = true;
  85
  86         //Get the rolls array
  87         $rolls = $info['MOD']['#']['ROLLS']['0']['#']['ROLL'];
  88
  89         //Iterate over rolls
  90         for($i = 0; $i < sizeof($rolls); $i++) {
  91             $rol_info = $rolls[$i];
  92             //traverse_xmlize($rol_info);                                                                 //Debug
  93             //print_object ($GLOBALS['traverse_array']);                                                  //Debug
  94             //$GLOBALS['traverse_array']="";                                                              //Debug
  95
  96             //We'll need this later!!
  97             $oldid = backup_todb($sub_info['#']['ID']['0']['#']);
  98             $olduserid = backup_todb($sub_info['#']['USERID']['0']['#']);
  99
 100             //Now, build the ATTENDANCE_ROLL record structure
 101             $roll->dayid = $attendance_id;
 102             $roll->userid = backup_todb($rol_info['#']['USERID']['0']['#']);
 103             $roll->hour = backup_todb($rol_info['#']['HOUR']['0']['#']);
 104             $roll->status = backup_todb($rol_info['#']['STATUS']['0']['#']);
 105             $roll->notes = backup_todb($rol_info['#']['NOTES']['0']['#']);
 106
 107             //We have to recode the userid field
 108             $user = backup_getid($restore->backup_unique_code,"user",$roll->userid);
 109             if ($user) {
 110                 $roll->userid = $user->new_id;
 111             }
 112
 113             //The structure is equal to the db, so insert the attendance_roll
 114             $newid = insert_record ("attendance_roll",$roll);
 115
 116             //Do some output
 117             if (($i+1) % 50 == 0) {
 118                 echo ".";
 119                 if (($i+1) % 1000 == 0) {
 120                     echo "<br />";
 121                 }
 122                 backup_flush(300);
 123             }
 124
 125             if ($newid) {
 126                 //We have the newid, update backup_ids
 127                 backup_putid($restore->backup_unique_code,"attendance_roll",$oldid,
 128                              $newid);
 129             } else {
 130                 $status = false;
 131             }
 132         }
 133
 134         return $status;
 135     }
 136
 137 ?>