backup/restorelib.php

   1 <?php
   2     //This function iterates over all modules in backup file, searching for a
   3     //MODNAME_refresh_events() to execute. Perhaps it should ve moved to central Moodle...
   4     function restore_refresh_events($restore) {
   5
   6         global $CFG;
   7         $status = true;
   8
   9         //Take all modules in backup
  10         $modules = $restore->mods;
  11         //Iterate
  12         foreach($modules as $name => $module) {
  13             //Only if the module is being restored
  14             if (isset($module->restore) && $module->restore == 1) {
  15                 //Include module library
  16                 include_once("$CFG->dirroot/mod/$name/lib.php");
  17                 //If module_refresh_events exists
  18                 $function_name = $name."_refresh_events";
  19                 if (function_exists($function_name)) {
  20                     $status = $function_name($restore->course_id);
  21                 }
  22             }
  23         }
  24         return $status;
  25     }
  26
  27     //Called to set up any course-format specific data that may be in the file
  28     function restore_set_format_data($restore,$xml_file) {
  29         global $CFG, $DB;
  30
  31         $status = true;
  32         //Check it exists
  33         if (!file_exists($xml_file)) {
  34             return false;
  35         }
  36         //Load data from XML to info
  37         if(!($info = restore_read_xml_formatdata($xml_file))) {
  38                 return false;
  39         }
  40
  41         //Process format data if there is any
  42         if (isset($info->format_data)) {
  43                 if(!$format=$DB->get_field('course','format', array('id'=>$restore->course_id))) {
  44                     return false;
  45                 }
  46                 // If there was any data then it must have a restore method
  47                 $file=$CFG->dirroot."/course/format/$format/restorelib.php";
  48                 if(!file_exists($file)) {
  49                     return false;
  50                 }
  51                 require_once($file);
  52                 $function=$format.'_restore_format_data';
  53                 if(!function_exists($function)) {
  54                     return false;
  55                 }
  56                 return $function($restore,$info->format_data);
  57         }
  58
  59         // If we got here then there's no data, but that's cool
  60         return true;
  61     }
  62
  63     //This function creates all the structures messages and contacts
  64     function restore_create_messages($restore,$xml_file) {
  65         global $CFG, $DB;
  66
  67         $status = true;
  68         //Check it exists
  69         if (!file_exists($xml_file)) {
  70             $status = false;
  71         }
  72         //Get info from xml
  73         if ($status) {
  74             //info will contain the id and name of every table
  75             //(message, message_read and message_contacts)
  76             //in backup_ids->info will be the real info (serialized)
  77             $info = restore_read_xml_messages($restore,$xml_file);
  78
  79             //If we have info, then process messages & contacts
  80             if ($info > 0) {
  81                 //Count how many we have
  82                 $unreadcount  = $DB->count_records ('backup_ids', array('backup_code'=>$restore->backup_unique_code, 'table_name'=>'message'));
  83                 $readcount    = $DB->count_records ('backup_ids', array('backup_code'=>$restore->backup_unique_code, 'table_name'=>'message_read'));
  84                 $contactcount = $DB->count_records ('backup_ids', array('backup_code'=>$restore->backup_unique_code, 'table_name'=>'message_contacts'));
  85                 if ($unreadcount || $readcount || $contactcount) {
  86                     //Start ul
  87                     if (!defined('RESTORE_SILENTLY')) {
  88                         echo '<ul>';
  89                     }
  90                     //Number of records to get in every chunk
  91                     $recordset_size = 4;
  92
  93                     //Process unread
  94                     if ($unreadcount) {
  95                         if (!defined('RESTORE_SILENTLY')) {
  96                             echo '<li>'.get_string('unreadmessages','message').'</li>';
  97                         }
  98                         $counter = 0;
  99                         while ($counter < $unreadcount) {
 100                             //Fetch recordset_size records in each iteration
 101                             $recs = $DB->get_records("backup_ids", array('table_name'=>'message', 'backup_code'=>$restore->backup_unique_code),"old_id","old_id",$counter,$recordset_size);
 102                             if ($recs) {
 103                                 foreach ($recs as $rec) {
 104                                     //Get the full record from backup_ids
 105                                     $data = backup_getid($restore->backup_unique_code,"message",$rec->old_id);
 106                                     if ($data) {
 107                                         //Now get completed xmlized object
 108                                         $info = $data->info;
 109                                         //traverse_xmlize($info);                            //Debug
 110                                         //print_object ($GLOBALS['traverse_array']);         //Debug
 111                                         //$GLOBALS['traverse_array']="";                     //Debug
 112                                         //Now build the MESSAGE record structure
 113                                         $dbrec = new stdClass();
 114                                         $dbrec->useridfrom = backup_todb($info['MESSAGE']['#']['USERIDFROM']['0']['#']);
 115                                         $dbrec->useridto = backup_todb($info['MESSAGE']['#']['USERIDTO']['0']['#']);
 116                                         $dbrec->message = backup_todb($info['MESSAGE']['#']['MESSAGE']['0']['#']);
 117                                         $dbrec->format = backup_todb($info['MESSAGE']['#']['FORMAT']['0']['#']);
 118                                         $dbrec->timecreated = backup_todb($info['MESSAGE']['#']['TIMECREATED']['0']['#']);
 119                                         $dbrec->messagetype = backup_todb($info['MESSAGE']['#']['MESSAGETYPE']['0']['#']);
 120                                         //We have to recode the useridfrom field
 121                                         $user = backup_getid($restore->backup_unique_code,"user",$dbrec->useridfrom);
 122                                         if ($user) {
 123                                             //echo "User ".$dbrec->useridfrom." to user ".$user->new_id."<br />";   //Debug
 124                                             $dbrec->useridfrom = $user->new_id;
 125                                         }
 126                                         //We have to recode the useridto field
 127                                         $user = backup_getid($restore->backup_unique_code,"user",$dbrec->useridto);
 128                                         if ($user) {
 129                                             //echo "User ".$dbrec->useridto." to user ".$user->new_id."<br />";   //Debug
 130                                             $dbrec->useridto = $user->new_id;
 131                                         }
 132                                         //Check if the record doesn't exist in DB!
 133                                         $exist = $DB->get_record('message', array('useridfrom'=>$dbrec->useridfrom,
 134                                                                                   'useridto'=>$dbrec->useridto,
 135                                                                                   'timecreated'=>$dbrec->timecreated));
 136                                         if (!$exist) {
 137                                             //Not exist. Insert
 138                                             $status = $DB->insert_record('message',$dbrec);
 139                                         } else {
 140                                             //Duplicate. Do nothing
 141                                         }
 142                                     }
 143                                     //Do some output
 144                                     $counter++;
 145                                     if ($counter % 10 == 0) {
 146                                         if (!defined('RESTORE_SILENTLY')) {
 147                                             echo ".";
 148                                             if ($counter % 200 == 0) {
 149                                                 echo "<br />";
 150                                             }
 151                                         }
 152                                         backup_flush(300);
 153                                     }
 154                                 }
 155                             }
 156                         }
 157                     }
 158
 159                     //Process read
 160                     if ($readcount) {
 161                         if (!defined('RESTORE_SILENTLY')) {
 162                             echo '<li>'.get_string('readmessages','message').'</li>';
 163                         }
 164                         $counter = 0;
 165                         while ($counter < $readcount) {
 166                             //Fetch recordset_size records in each iteration
 167                             $recs = $DB->get_records("backup_ids", array('table_name'=>'message_read', 'backup_code'=>$restore->backup_unique_code),"old_id","old_id",$counter,$recordset_size);
 168                             if ($recs) {
 169                                 foreach ($recs as $rec) {
 170                                     //Get the full record from backup_ids
 171                                     $data = backup_getid($restore->backup_unique_code,"message_read",$rec->old_id);
 172                                     if ($data) {
 173                                         //Now get completed xmlized object
 174                                         $info = $data->info;
 175                                         //traverse_xmlize($info);                            //Debug
 176                                         //print_object ($GLOBALS['traverse_array']);         //Debug
 177                                         //$GLOBALS['traverse_array']="";                     //Debug
 178                                         //Now build the MESSAGE_READ record structure
 179                                         $dbrec->useridfrom = backup_todb($info['MESSAGE']['#']['USERIDFROM']['0']['#']);
 180                                         $dbrec->useridto = backup_todb($info['MESSAGE']['#']['USERIDTO']['0']['#']);
 181                                         $dbrec->message = backup_todb($info['MESSAGE']['#']['MESSAGE']['0']['#']);
 182                                         $dbrec->format = backup_todb($info['MESSAGE']['#']['FORMAT']['0']['#']);
 183                                         $dbrec->timecreated = backup_todb($info['MESSAGE']['#']['TIMECREATED']['0']['#']);
 184                                         $dbrec->messagetype = backup_todb($info['MESSAGE']['#']['MESSAGETYPE']['0']['#']);
 185                                         $dbrec->timeread = backup_todb($info['MESSAGE']['#']['TIMEREAD']['0']['#']);
 186                                         $dbrec->mailed = backup_todb($info['MESSAGE']['#']['MAILED']['0']['#']);
 187                                         //We have to recode the useridfrom field
 188                                         $user = backup_getid($restore->backup_unique_code,"user",$dbrec->useridfrom);
 189                                         if ($user) {
 190                                             //echo "User ".$dbrec->useridfrom." to user ".$user->new_id."<br />";   //Debug
 191                                             $dbrec->useridfrom = $user->new_id;
 192                                         }
 193                                         //We have to recode the useridto field
 194                                         $user = backup_getid($restore->backup_unique_code,"user",$dbrec->useridto);
 195                                         if ($user) {
 196                                             //echo "User ".$dbrec->useridto." to user ".$user->new_id."<br />";   //Debug
 197                                             $dbrec->useridto = $user->new_id;
 198                                         }
 199                                         //Check if the record doesn't exist in DB!
 200                                         $exist = $DB->get_record('message_read', array('useridfrom'=>$dbrec->useridfrom,
 201                                                                                        'useridto'=>$dbrec->useridto,
 202                                                                                        'timecreated'=>$dbrec->timecreated));
 203                                         if (!$exist) {
 204                                             //Not exist. Insert
 205                                             $status = $DB->insert_record('message_read',$dbrec);
 206                                         } else {
 207                                             //Duplicate. Do nothing
 208                                         }
 209                                     }
 210                                     //Do some output
 211                                     $counter++;
 212                                     if ($counter % 10 == 0) {
 213                                         if (!defined('RESTORE_SILENTLY')) {
 214                                             echo ".";
 215                                             if ($counter % 200 == 0) {
 216                                                 echo "<br />";
 217                                             }
 218                                         }
 219                                         backup_flush(300);
 220                                     }
 221                                 }
 222                             }
 223                         }
 224                     }
 225
 226                     //Process contacts
 227                     if ($contactcount) {
 228                         if (!defined('RESTORE_SILENTLY')) {
 229                             echo '<li>'.moodle_strtolower(get_string('contacts','message')).'</li>';
 230                         }
 231                         $counter = 0;
 232                         while ($counter < $contactcount) {
 233                             //Fetch recordset_size records in each iteration
 234                             $recs = $DB->get_records("backup_ids", array('table_name'=>'message_contacts', 'backup_code'=>$restore->backup_unique_code),"old_id","old_id",$counter,$recordset_size);
 235                             if ($recs) {
 236                                 foreach ($recs as $rec) {
 237                                     //Get the full record from backup_ids
 238                                     $data = backup_getid($restore->backup_unique_code,"message_contacts",$rec->old_id);
 239                                     if ($data) {
 240                                         //Now get completed xmlized object
 241                                         $info = $data->info;
 242                                         //traverse_xmlize($info);                            //Debug
 243                                         //print_object ($GLOBALS['traverse_array']);         //Debug
 244                                         //$GLOBALS['traverse_array']="";                     //Debug
 245                                         //Now build the MESSAGE_CONTACTS record structure
 246                                         $dbrec->userid = backup_todb($info['CONTACT']['#']['USERID']['0']['#']);
 247                                         $dbrec->contactid = backup_todb($info['CONTACT']['#']['CONTACTID']['0']['#']);
 248                                         $dbrec->blocked = backup_todb($info['CONTACT']['#']['BLOCKED']['0']['#']);
 249                                         //We have to recode the userid field
 250                                         $user = backup_getid($restore->backup_unique_code,"user",$dbrec->userid);
 251                                         if ($user) {
 252                                             //echo "User ".$dbrec->userid." to user ".$user->new_id."<br />";   //Debug
 253                                             $dbrec->userid = $user->new_id;
 254                                         }
 255                                         //We have to recode the contactid field
 256                                         $user = backup_getid($restore->backup_unique_code,"user",$dbrec->contactid);
 257                                         if ($user) {
 258                                             //echo "User ".$dbrec->contactid." to user ".$user->new_id."<br />";   //Debug
 259                                             $dbrec->contactid = $user->new_id;
 260                                         }
 261                                         //Check if the record doesn't exist in DB!
 262                                         $exist = $DB->get_record('message_contacts', array('userid'=>$dbrec->userid,
 263                                                                                            'contactid'=>$dbrec->contactid));
 264                                         if (!$exist) {
 265                                             //Not exist. Insert
 266                                             $status = $DB->insert_record('message_contacts',$dbrec);
 267                                         } else {
 268                                             //Duplicate. Do nothing
 269                                         }
 270                                     }
 271                                     //Do some output
 272                                     $counter++;
 273                                     if ($counter % 10 == 0) {
 274                                         if (!defined('RESTORE_SILENTLY')) {
 275                                             echo ".";
 276                                             if ($counter % 200 == 0) {
 277                                                 echo "<br />";
 278                                             }
 279                                         }
 280                                         backup_flush(300);
 281                                     }
 282                                 }
 283                             }
 284                         }
 285                     }
 286                     if (!defined('RESTORE_SILENTLY')) {
 287                         //End ul
 288                         echo '</ul>';
 289                     }
 290                 }
 291             }
 292         }
 293
 294        return $status;
 295     }
 296
 297     //This function creates all the structures for blogs and blog tags
 298     function restore_create_blogs($restore,$xml_file) {
 299         global $CFG, $DB;
 300
 301         $status = true;
 302         //Check it exists
 303         if (!file_exists($xml_file)) {
 304             $status = false;
 305         }
 306         //Get info from xml
 307         if ($status) {
 308             //info will contain the number of blogs in the backup file
 309             //in backup_ids->info will be the real info (serialized)
 310             $info = restore_read_xml_blogs($restore,$xml_file);
 311
 312             //If we have info, then process blogs & blog_tags
 313             if ($info > 0) {
 314                 //Count how many we have
 315                 $blogcount = $DB->count_records('backup_ids', array('backup_code'=>$restore->backup_unique_code, 'table_name'=>'blog'));
 316                 if ($blogcount) {
 317                     //Number of records to get in every chunk
 318                     $recordset_size = 4;
 319
 320                     //Process blog
 321                     if ($blogcount) {
 322                         $counter = 0;
 323                         while ($counter < $blogcount) {
 324                             //Fetch recordset_size records in each iteration
 325                             $recs = $DB->get_records("backup_ids", array("table_name"=>'blog', 'backup_code'=>$restore->backup_unique_code),"old_id","old_id",$counter,$recordset_size);
 326                             if ($recs) {
 327                                 foreach ($recs as $rec) {
 328                                     //Get the full record from backup_ids
 329                                     $data = backup_getid($restore->backup_unique_code,"blog",$rec->old_id);
 330                                     if ($data) {
 331                                         //Now get completed xmlized object
 332                                         $info = $data->info;
 333                                         //traverse_xmlize($info);                            //Debug
 334                                         //print_object ($GLOBALS['traverse_array']);         //Debug
 335                                         //$GLOBALS['traverse_array']="";                     //Debug
 336                                         //Now build the BLOG record structure
 337                                         $dbrec = new stdClass();
 338                                         $dbrec->module = backup_todb($info['BLOG']['#']['MODULE']['0']['#']);
 339                                         $dbrec->userid = backup_todb($info['BLOG']['#']['USERID']['0']['#']);
 340                                         $dbrec->courseid = backup_todb($info['BLOG']['#']['COURSEID']['0']['#']);
 341                                         $dbrec->groupid = backup_todb($info['BLOG']['#']['GROUPID']['0']['#']);
 342                                         $dbrec->moduleid = backup_todb($info['BLOG']['#']['MODULEID']['0']['#']);
 343                                         $dbrec->coursemoduleid = backup_todb($info['BLOG']['#']['COURSEMODULEID']['0']['#']);
 344                                         $dbrec->subject = backup_todb($info['BLOG']['#']['SUBJECT']['0']['#']);
 345                                         $dbrec->summary = backup_todb($info['BLOG']['#']['SUMMARY']['0']['#']);
 346                                         $dbrec->content = backup_todb($info['BLOG']['#']['CONTENT']['0']['#']);
 347                                         $dbrec->uniquehash = backup_todb($info['BLOG']['#']['UNIQUEHASH']['0']['#']);
 348                                         $dbrec->rating = backup_todb($info['BLOG']['#']['RATING']['0']['#']);
 349                                         $dbrec->format = backup_todb($info['BLOG']['#']['FORMAT']['0']['#']);
 350                                         $dbrec->attachment = backup_todb($info['BLOG']['#']['ATTACHMENT']['0']['#']);
 351                                         $dbrec->publishstate = backup_todb($info['BLOG']['#']['PUBLISHSTATE']['0']['#']);
 352                                         $dbrec->lastmodified = backup_todb($info['BLOG']['#']['LASTMODIFIED']['0']['#']);
 353                                         $dbrec->created = backup_todb($info['BLOG']['#']['CREATED']['0']['#']);
 354                                         $dbrec->usermodified = backup_todb($info['BLOG']['#']['USERMODIFIED']['0']['#']);
 355
 356                                         //We have to recode the userid field
 357                                         $user = backup_getid($restore->backup_unique_code,"user",$dbrec->userid);
 358                                         if ($user) {
 359                                             //echo "User ".$dbrec->userid." to user ".$user->new_id."<br />";   //Debug
 360                                             $dbrec->userid = $user->new_id;
 361                                         }
 362
 363                                         //Check if the record doesn't exist in DB!
 364                                         $exist = $DB->get_record('post', array('userid'=>$dbrec->userid,
 365                                                                                'subject'=>$dbrec->subject,
 366                                                                                'created'=>$dbrec->created));
 367                                         $newblogid = 0;
 368                                         if (!$exist) {
 369                                             //Not exist. Insert
 370                                             $newblogid = $DB->insert_record('post',$dbrec);
 371                                         }
 372
 373                                         //Going to restore related tags. Check they are enabled and we have inserted a blog
 374                                         if ($CFG->usetags && $newblogid) {
 375                                             //Look for tags in this blog
 376                                             if (isset($info['BLOG']['#']['BLOG_TAGS']['0']['#']['BLOG_TAG'])) {
 377                                                 $tagsarr = $info['BLOG']['#']['BLOG_TAGS']['0']['#']['BLOG_TAG'];
 378                                                 //Iterate over tags
 379                                                 $tags = array();
 380                                                 $sizetagsarr = sizeof($tagsarr);
 381                                                 for ($i = 0; $i < $sizetagsarr; $i++) {
 382                                                     $tag_info = $tagsarr[$i];
 383                                                     ///traverse_xmlize($tag_info);                        //Debug
 384                                                     ///print_object ($GLOBALS['traverse_array']);         //Debug
 385                                                     ///$GLOBALS['traverse_array']="";                     //Debug
 386
 387                                                     $name = backup_todb($tag_info['#']['NAME']['0']['#']);
 388                                                     $rawname = backup_todb($tag_info['#']['RAWNAME']['0']['#']);
 389
 390                                                     $tags[] = $rawname;  //Rawname is all we need
 391                                                 }
 392                                                 tag_set('post', $newblogid, $tags); //Add all the tags in one API call
 393                                             }
 394                                         }
 395                                     }
 396                                     //Do some output
 397                                     $counter++;
 398                                     if ($counter % 10 == 0) {
 399                                         if (!defined('RESTORE_SILENTLY')) {
 400                                             echo ".";
 401                                             if ($counter % 200 == 0) {
 402                                                 echo "<br />";
 403                                             }
 404                                         }
 405                                         backup_flush(300);
 406                                     }
 407                                 }
 408                             }
 409                         }
 410                     }
 411                 }
 412             }
 413         }
 414
 415         return $status;
 416     }
 417
 418     //This function creates all the course events
 419     function restore_create_events($restore,$xml_file) {
 420         global $DB;
 421
 422         global $CFG, $SESSION;
 423
 424         $status = true;
 425         //Check it exists
 426         if (!file_exists($xml_file)) {
 427             $status = false;
 428         }
 429         //Get info from xml
 430         if ($status) {
 431             //events will contain the old_id of every event
 432             //in backup_ids->info will be the real info (serialized)
 433             $events = restore_read_xml_events($restore,$xml_file);
 434         }
 435
 436         //Get admin->id for later use
 437         $admin = get_admin();
 438         $adminid = $admin->id;
 439
 440         //Now, if we have anything in events, we have to restore that
 441         //events
 442         if ($events) {
 443             if ($events !== true) {
 444                 //Iterate over each event
 445                 foreach ($events as $event) {
 446                     //Get record from backup_ids
 447                     $data = backup_getid($restore->backup_unique_code,"event",$event->id);
 448                     //Init variables
 449                     $create_event = false;
 450
 451                     if ($data) {
 452                         //Now get completed xmlized object
 453                         $info = $data->info;
 454                         //traverse_xmlize($info);                                                                     //Debug
 455                         //print_object ($GLOBALS['traverse_array']);                                                  //Debug
 456                         //$GLOBALS['traverse_array']="";                                                              //Debug
 457
 458                         //if necessary, write to restorelog and adjust date/time fields
 459                         if ($restore->course_startdateoffset) {
 460                             restore_log_date_changes('Events', $restore, $info['EVENT']['#'], array('TIMESTART'));
 461                         }
 462
 463                         //Now build the EVENT record structure
 464                         $eve->name = backup_todb($info['EVENT']['#']['NAME']['0']['#']);
 465                         $eve->description = backup_todb($info['EVENT']['#']['DESCRIPTION']['0']['#']);
 466                         $eve->format = backup_todb($info['EVENT']['#']['FORMAT']['0']['#']);
 467                         $eve->courseid = $restore->course_id;
 468                         $eve->groupid = backup_todb($info['EVENT']['#']['GROUPID']['0']['#']);
 469                         $eve->userid = backup_todb($info['EVENT']['#']['USERID']['0']['#']);
 470                         $eve->repeatid = backup_todb($info['EVENT']['#']['REPEATID']['0']['#']);
 471                         $eve->modulename = "";
 472                         if (!empty($info['EVENT']['#']['MODULENAME'])) {
 473                             $eve->modulename = backup_todb($info['EVENT']['#']['MODULENAME']['0']['#']);
 474                         }
 475                         $eve->instance = 0;
 476                         $eve->eventtype = backup_todb($info['EVENT']['#']['EVENTTYPE']['0']['#']);
 477                         $eve->timestart = backup_todb($info['EVENT']['#']['TIMESTART']['0']['#']);
 478                         $eve->timeduration = backup_todb($info['EVENT']['#']['TIMEDURATION']['0']['#']);
 479                         $eve->visible = backup_todb($info['EVENT']['#']['VISIBLE']['0']['#']);
 480                         $eve->timemodified = backup_todb($info['EVENT']['#']['TIMEMODIFIED']['0']['#']);
 481
 482                         //Now search if that event exists (by name, description, timestart fields) in
 483                         //restore->course_id course
 484                         //Going to compare LOB columns so, use the cross-db sql_compare_text() in both sides.
 485                         $compare_description_clause = $DB->sql_compare_text('description')  . "=" .  $DB->sql_compare_text("'" . $eve->description . "'");
 486                         $eve_db = $DB->get_record_select('event',
 487                             "courseid = ? AND name = ? AND $compare_description_clause AND timestart = ?",
 488                             array($eve->courseid, $eve->name, $eve->timestart));
 489                         //If it doesn't exist, create
 490                         if (!$eve_db) {
 491                             $create_event = true;
 492                         }
 493                         //If we must create the event
 494                         if ($create_event) {
 495
 496                             //We must recode the userid
 497                             $user = backup_getid($restore->backup_unique_code,"user",$eve->userid);
 498                             if ($user) {
 499                                 $eve->userid = $user->new_id;
 500                             } else {
 501                                 //Assign it to admin
 502                                 $eve->userid = $adminid;
 503                             }
 504
 505                             //We have to recode the groupid field
 506                             $group = backup_getid($restore->backup_unique_code,"groups",$eve->groupid);
 507                             if ($group) {
 508                                 $eve->groupid = $group->new_id;
 509                             } else {
 510                                 //Assign it to group 0
 511                                 $eve->groupid = 0;
 512                             }
 513
 514                             //The structure is equal to the db, so insert the event
 515                             $newid = $DB->insert_record ("event",$eve);
 516
 517                             //We must recode the repeatid if the event has it
 518                             //The repeatid now refers to the id of the original event. (see Bug#5956)
 519                             if ($newid && !empty($eve->repeatid)) {
 520                                 $repeat_rec = backup_getid($restore->backup_unique_code,"event_repeatid",$eve->repeatid);
 521                                 if ($repeat_rec) {    //Exists, so use it...
 522                                     $eve->repeatid = $repeat_rec->new_id;
 523                                 } else {              //Doesn't exists, calculate the next and save it
 524                                     $oldrepeatid = $eve->repeatid;
 525                                     $eve->repeatid = $newid;
 526                                     backup_putid($restore->backup_unique_code,"event_repeatid", $oldrepeatid, $eve->repeatid);
 527                                 }
 528                                 $eve->id = $newid;
 529                                 // update the record to contain the correct repeatid
 530                                 $DB->update_record('event',$eve);
 531                             }
 532                         } else {
 533                             //get current event id
 534                             $newid = $eve_db->id;
 535                         }
 536                         if ($newid) {
 537                             //We have the newid, update backup_ids
 538                             backup_putid($restore->backup_unique_code,"event",
 539                                          $event->id, $newid);
 540                         }
 541                     }
 542                 }
 543             }
 544         } else {
 545             $status = false;
 546         }
 547         return $status;
 548     }
 549
 550     function restore_execute(&$restore,$info,$course_header,&$errorstr) {
 551         global $CFG, $USER, $DB, $OUTPUT;
 552
 553         $status = true;
 554
 555         //Now create events as needed
 556         if ($status) {
 557             if (!defined('RESTORE_SILENTLY')) {
 558                 echo "<li>".get_string("creatingevents");
 559             }
 560             if (!$status = restore_create_events($restore,$xml_file)) {
 561                 if (!defined('RESTORE_SILENTLY')) {
 562                     echo $OUTPUT->notification("Could not restore course events!");
 563                 } else {
 564                     $errorstr = "Could not restore course events!";
 565                     return false;
 566                 }
 567             }
 568             if (!defined('RESTORE_SILENTLY')) {
 569                 echo '</li>';
 570             }
 571         }
 572
 573         if ($status) {
 574             //If we are deleting and bringing into a course or making a new course, same situation
 575             if ($restore->restoreto == RESTORETO_CURRENT_DELETING ||
 576                 $restore->restoreto == RESTORETO_EXISTING_DELETING ||
 577                 $restore->restoreto == RESTORETO_NEW_COURSE) {
 578                 if (!defined('RESTORE_SILENTLY')) {
 579                     echo '<li>'.get_string('courseformatdata');
 580                 }
 581                 if (!$status = restore_set_format_data($restore, $xml_file)) {
 582                         $error = "Error while setting the course format data";
 583                     if (!defined('RESTORE_SILENTLY')) {
 584                         echo $OUTPUT->notification($error);
 585                     } else {
 586                         $errorstr=$error;
 587                         return false;
 588                     }
 589                 }
 590                 if (!defined('RESTORE_SILENTLY')) {
 591                     echo '</li>';
 592                 }
 593             }
 594         }
 595
 596         //Now, if all is OK, adjust activity events
 597         if ($status) {
 598             if (!defined('RESTORE_SILENTLY')) {
 599                 echo "<li>".get_string("refreshingevents");
 600             }
 601             if (!$status = restore_refresh_events($restore)) {
 602                 if (!defined('RESTORE_SILENTLY')) {
 603                     echo $OUTPUT->notification("Could not refresh events for activities!");
 604                 } else {
 605                     $errorstr = "Could not refresh events for activities!";
 606                     return false;
 607                 }
 608             }
 609             if (!defined('RESTORE_SILENTLY')) {
 610                 echo '</li>';
 611             }
 612         }
 613     }