backup/restore_execute.html

   1 <?PHP //$Id$
   2     //This page receives the required info and executes the restore
   3     //with the parameters suplied. Whe finished, delete temporary
   4     //data from backup_tables and temp directory
   5
   6     //Get objects from session
   7     if ($SESSION) {
   8         $info = $SESSION->info;
   9         $course_header = $SESSION->course_header;
  10         $restore = $SESSION->restore;
  11     }
  12
  13     //Check login
  14     require_login();
  15
  16     //Check admin
  17     if (!empty($id)) {
  18         if (!isteacheredit($id)) {
  19             error("You need to be a teacher or admin user to use this page.", "$CFG->wwwroot/login/index.php");
  20         }
  21     } else {
  22         if (!isadmin()) {
  23             error("You need to be an admin user to use this page.", "$CFG->wwwroot/login/index.php");
  24         }
  25     }
  26
  27     //Check site
  28     if (!$site = get_site()) {
  29         error("Site not found!");
  30     }
  31
  32     //Checks for the required files/functions to restore every module
  33     //and include them
  34     if ($allmods = get_records("modules") ) {
  35         foreach ($allmods as $mod) {
  36             $modname = $mod->name;
  37             $modfile = "$CFG->dirroot/mod/$modname/restorelib.php";
  38             //If file exists and we have selected to restore that type of module
  39             if ((file_exists($modfile)) and ($restore->mods[$modname]->restore)) {
  40                include_once($modfile);
  41             }
  42         }
  43     }
  44
  45     //Start the main table
  46     echo "<table cellpadding=5>";
  47     echo "<tr><td>";
  48
  49     //Start the main ul
  50     echo "<ul>";
  51
  52     //Init status
  53     $status = true;
  54
  55     //Localtion of the xml file
  56     $xml_file  = $CFG->dataroot."/temp/backup/".$restore->backup_unique_code."/moodle.xml";
  57
  58     //If we've selected to restore into new course
  59     //create it (course)
  60     //Saving conversion id variables into backup_tables
  61     if ($restore->restoreto == 2) {
  62         echo "<li>".get_string("creatingnewcourse");
  63         if (!$status = restore_create_new_course($restore,$course_header)) {
  64             notify("Error while creating the new empty course.");
  65         }
  66         //Print course fullname and shortname and category
  67         if ($status) {
  68             echo "<ul>";
  69             echo "<li>".$course_header->course_fullname." (".$course_header->course_shortname.")";
  70             echo "<li>".get_string("category").": ".$course_header->category->name;
  71             echo "</ul>";
  72             //Put the destination course_id
  73             $restore->course_id = $course_header->course_id;
  74         }
  75     } else {
  76         $course = get_record("course","id",$restore->course_id);
  77         if ($course) {
  78             echo "<li>".get_string("usingexistingcourse");
  79             echo "<ul>";
  80             echo "<li>".get_string("from").": ".$course_header->course_fullname." (".$course_header->course_shortname.")";
  81             echo "<li>".get_string("to").": ".$course->fullname." (".$course->shortname.")";
  82             if (($restore->deleting)) {
  83                 echo "<li>".get_string("deletingexistingcoursedata");
  84             } else {
  85                 echo "<li>".get_string("addingdatatoexisting");
  86             }
  87             echo "</ul>";
  88             //If we have selected to restore deleting, we do it now.
  89             if ($restore->deleting) {
  90                 echo "<li>".get_string("deletingolddata");
  91                 $status = remove_course_contents($restore->course_id,false) and
  92                           delete_dir_contents($CFG->dataroot."/".$restore->course_id,"backupdata");
  93                 if ($status) {
  94                     //Now , this situation is equivalent to the "restore to new course" one (we
  95                     //have a course record and nothing more), so define it as "to new course"
  96                     $restore->restoreto = 2;
  97                 } else {
  98                     notify("An error occurred while deleting some of the course contents.");
  99                 }
 100             }
 101         } else {
 102             notify("Error opening existing course.");
 103             $status = false;
 104         }
 105     }
 106
 107     //Now create the course_sections and their associated course_modules
 108     if ($status) {
 109         //Into new course
 110         if ($restore->restoreto == 2) {
 111             echo "<li>".get_string("creatingsections");
 112             if (!$status = restore_create_sections($restore,$xml_file)) {
 113                 notify("Error creating sections in the existing course.");
 114             }
 115         //Into existing course
 116         } else if ($restore->restoreto == 0 or $restore->restoreto == 1) {
 117             echo "<li>".get_string("checkingsections");
 118             if (!$status = restore_create_sections($restore,$xml_file)) {
 119                 notify("Error creating sections in the existing course.");
 120             }
 121         //Error
 122         } else {
 123             notify("Neither a new course or an existing one was specified.");
 124             $status = false;
 125         }
 126     }
 127
 128
 129     //Now create users as needed
 130     if ($status and ($restore->users == 0 or $restore->users == 1)) {
 131         echo "<li>".get_string("creatingusers")."<br>";
 132         if (!$status = restore_create_users($restore,$xml_file)) {
 133             notify("Could not restore users.");
 134         }
 135         //Now print info about the work done
 136         if ($status) {
 137             $recs = get_records_sql("select old_id, new_id from {$CFG->prefix}backup_ids
 138                                      where backup_code = '$restore->backup_unique_code' and
 139                                      table_name = 'user'");
 140             //We've records
 141             if ($recs) {
 142                 $new_count = 0;
 143                 $exists_count = 0;
 144                 $student_count = 0;
 145                 $teacher_count = 0;
 146                 $counter = 0;
 147                 //Iterate, filling counters
 148                 foreach ($recs as $rec) {
 149                     //Get full record, using backup_getids
 150                     $record = backup_getid($restore->backup_unique_code,"user",$rec->old_id);
 151                     if (strpos($record->info,"new") !== false) {
 152                         $new_count++;
 153                     }
 154                     if (strpos($record->info,"exists") !== false) {
 155                         $exists_count++;
 156                     }
 157                     if (strpos($record->info,"student") !== false) {
 158                         $student_count++;
 159                     } else if (strpos($record->info,"teacher") !== false) {
 160                         $teacher_count++;
 161                     }
 162                     //Do some output
 163                     $counter++;
 164                     if ($counter % 10 == 0) {
 165                         echo ".";
 166                         if ($counter % 200 == 0) {
 167                             echo "<br>";
 168                         }
 169                         backup_flush(300);
 170                     }
 171                 }
 172                 //Now print information gathered
 173                 echo " (".get_string("new").": ".$new_count.", ".get_string("existing").": ".$exists_count.")";
 174                 echo "<ul>";
 175                 echo "<li>".get_string("students").": ".$student_count;
 176                 echo "<li>".get_string("teachers").": ".$teacher_count;
 177                 echo "</ul>";
 178             } else {
 179                 notify("No users were found!");
 180             }
 181         }
 182     }
 183
 184     //Now create categories and questions as needed (STEP1)
 185     if ($status and ($restore->mods['quiz']->restore)) {
 186          echo "<li>".get_string("creatingcategoriesandquestions")."<br>";
 187          if (!$status = restore_create_questions($restore,$xml_file)) {
 188              notify("Could not restore categories and questions!");
 189          }
 190     }
 191
 192     //Now create user_files as needed
 193     if ($status and ($restore->user_files)) {
 194         echo "<li>".get_string("copyinguserfiles")."<br>";
 195         if (!$status = restore_user_files($restore)) {
 196             notify("Could not restore user files!");
 197         }
 198         //If all is ok (and we have a counter)
 199         if ($status and ($status !== true)) {
 200             //Inform about user dirs created from backup
 201             echo "<ul>";
 202             echo "<li>".get_string("userzones").": ".$status;
 203             echo "</ul>";
 204         }
 205     }
 206
 207     //Now create course files as needed
 208     if ($status and ($restore->course_files)) {
 209         echo "<li>".get_string("copyingcoursefiles")."<br>";
 210         if (!$status = restore_course_files($restore)) {
 211             notify("Could not restore course files!");
 212         }
 213         //If all is ok (and we have a counter)
 214         if ($status and ($status !== true)) {
 215             //Inform about user dirs created from backup
 216             echo "<ul>";
 217             echo "<li>".get_string("filesfolders").": ".$status;
 218             echo "</ul>";
 219         }
 220     }
 221
 222     //Now create scales as needed
 223     if ($status) {
 224         echo "<li>".get_string("creatingscales");
 225         if (!$status = restore_create_scales($restore,$xml_file)) {
 226             notify("Could not restore custom scales!");
 227         }
 228     }
 229
 230     //Now create groups as needed
 231     if ($status) {
 232         echo "<li>".get_string("creatinggroups");
 233         if (!$status = restore_create_groups($restore,$xml_file)) {
 234             notify("Could not restore groups!");
 235         }
 236     }
 237
 238     //Now create course modules as needed
 239     if ($status) {
 240         echo "<li>".get_string("creatingcoursemodules");
 241         if (!$status = restore_create_modules($restore,$xml_file)) {
 242             notify("Could not restore modules!");
 243         }
 244     }
 245
 246     //Now create log entries as needed
 247     if ($status and ($restore->logs)) {
 248         echo "<li>".get_string("creatinglogentries")."<b> (not implemented!!)</b>";
 249     }
 250
 251     //Now, if all is OK, adjust the instance field in course_modules !!
 252     if ($status) {
 253         echo "<li>".get_string("checkinginstances");
 254         if (!$status = restore_check_instances($restore)) {
 255             notify("Could not adjust instances in course_modules!");
 256         }
 257     }
 258
 259     //Now if all is OK, update:
 260     //   - course modinfo field
 261     //   - categories table
 262     if ($status) {
 263         echo "<li>".get_string("checkingcourse");
 264         //modinfo field
 265         rebuild_course_cache($restore->course_id);
 266         //categories table
 267         $course = get_record("course","id",$restore->course_id);
 268         fix_course_sortorder($course->category);
 269     }
 270
 271     //Cleanup temps (files and db)
 272     if ($status) {
 273         echo "<li>".get_string("cleaningtempdata");
 274         if (!$status = clean_temp_data ($restore)) {
 275             notify("Could not clean up temporary data from files and database");
 276         }
 277     }
 278
 279     //End the main ul
 280     echo "</ul>";
 281
 282
 283     //End the main table
 284     echo "</tr></td>";
 285     echo "</table>";
 286
 287     if (!$status) {
 288         error ("An error has occurred and the restore could not be completed!");
 289     }
 290
 291     //Print final message
 292     print_simple_box(get_string("restorefinished"),"CENTER");
 293     print_continue("$CFG->wwwroot/course/view.php?id=".$restore->course_id);
 294
 295 ?>