backup/backup_execute.html

   1 <?php //$Id$
   2     //This page prints the backup todo list to see everything
   3
   4     //Check login
   5     require_login();
   6
   7     if (!empty($course->id)) {
   8         if (!isteacheredit($course->id)) {
   9             if (empty($to)) {
  10                 error("You need to be a teacher or admin user to use this page.", "$CFG->wwwroot/login/index.php");
  11             } else {
  12                 if (!isteacheredit($to)) {
  13                     error("You need to be a teacher or admin user to use this page.", "$CFG->wwwroot/login/index.php");
  14                 }
  15             }
  16         }
  17     } else {
  18         if (!isadmin()) {
  19             error("You need to be an admin user to use this page.", "$CFG->wwwroot/login/index.php");
  20         }
  21     }
  22
  23
  24     //Check site
  25     if (!$site = get_site()) {
  26         error("Site not found!");
  27     }
  28
  29    //Checks for the required files/functions to backup every mod
  30     //And check if there is data about it
  31     $count = 0;
  32     if ($allmods = get_records("modules") ) {
  33         foreach ($allmods as $mod) {
  34             $modname = $mod->name;
  35             $modfile = "$CFG->dirroot/mod/$modname/backuplib.php";
  36             $modbackup = $modname."_backup_mods";
  37             $modcheckbackup = $modname."_check_backup_mods";
  38             if (file_exists($modfile)) {
  39                include_once($modfile);
  40                if (function_exists($modbackup) and function_exists($modcheckbackup)) {
  41                    $var = "exists_".$modname;
  42                    $$var = true;
  43                    $count++;
  44                }
  45             }
  46             //Check data
  47             //Check module info
  48             $var = "backup_".$modname;
  49             if (!isset($$var)) {
  50                 //Every undefined backup_XXXX isn't exported
  51                 $$var = 0;
  52             }
  53             //Now stores all the mods preferences into an array into preferences
  54             $preferences->mods[$modname]->backup = $$var;
  55
  56             //Check include user info
  57             $var = "backup_user_info_".$modname;
  58             if (!isset($$var)) {
  59                 $$var = 1;
  60             }
  61             //Now stores all the mods preferences into an array into preferences
  62             $preferences->mods[$modname]->userinfo = $$var;
  63             //And the name of the mod
  64             $preferences->mods[$modname]->name = $modname;
  65         }
  66     }
  67
  68     //Check other parameters
  69     if (!isset($backup_metacourse)) {
  70         $backup_metacourse = 1;
  71     }
  72     $preferences->backup_metacourse = $backup_metacourse;
  73
  74     if (!isset($backup_users)) {
  75         $backup_users = 1;
  76     }
  77     $preferences->backup_users = $backup_users;
  78
  79     if (!isset($backup_logs)) {
  80         $backup_logs = 0;
  81     }
  82     $preferences->backup_logs = $backup_logs;
  83
  84     if (!isset($backup_user_files)) {
  85         $backup_user_files = 1;
  86    }
  87     $preferences->backup_user_files = $backup_user_files;
  88
  89     if (!isset($backup_course_files)) {
  90         $backup_course_files = 2;
  91     }
  92     $preferences->backup_course_files = $backup_course_files;
  93
  94     if (!isset($backup_messages)) {
  95         $backup_messages = 1;
  96     }
  97     $preferences->backup_messages = $backup_messages;
  98
  99     if (!isset($id)) {
 100         error ("Course not specified");
 101     }
 102     $preferences->backup_course = $id;
 103
 104     if (!isset($backup_name)) {
 105         error ("Backup name not specified");
 106     }
 107     //We clean it again (to prevent diacritics entered manually)
 108     $preferences->backup_name = clean_filename($backup_name);
 109
 110     if (!isset($backup_unique_code)) {
 111         error ("Backup unique code not specified");
 112     }
 113     $preferences->backup_unique_code = $backup_unique_code;
 114
 115     //Another Info
 116     $preferences->moodle_version = $CFG->version;
 117     $preferences->moodle_release = $CFG->release;
 118     $preferences->backup_version = $CFG->backup_version;
 119     $preferences->backup_release = $CFG->backup_release;
 120
 121     if ($count == 0) {
 122         notice("No backupable modules are installed!");
 123     }
 124
 125
 126     if (empty($to)) {
 127         //Start the main table
 128         echo "<table cellpadding=\"5\">";
 129
 130         //Now print the Backup Name tr
 131         echo "<tr>";
 132         echo "<td align=\"right\"><b>";
 133         echo get_string("name").":";
 134         echo "</b></td><td>";
 135         echo $preferences->backup_name;
 136         echo "</td></tr>";
 137
 138         //Start the main tr, where all the backup progress is done
 139         echo "<tr>";
 140         echo "<td colspan=\"2\">";
 141
 142         //Start the main ul
 143         echo "<ul>";
 144     }
 145     //Check for temp and backup and backup_unique_code directory
 146     //Create them as needed
 147     echo "<li>".get_string("creatingtemporarystructures").'</li>';
 148     $status = check_and_create_backup_dir($backup_unique_code);
 149     //Empty dir
 150     if ($status) {
 151         $status = clear_backup_dir($backup_unique_code);
 152     }
 153
 154     //Delete old_entries from backup tables
 155     echo "<li>".get_string("deletingolddata").'</li>';
 156     $status = backup_delete_old_data();
 157     if (!$status) {
 158         error ("An error occurred deleting old backup data");
 159     }
 160
 161     //Create the moodle.xml file
 162     if ($status) {
 163         echo "<li>".get_string("creatingxmlfile");
 164         //Begin a new list to xml contents
 165         echo "<ul>";
 166         echo "<li>".get_string("writingheader").'</li>';
 167         //Obtain the xml file (create and open) and print prolog information
 168         $backup_file = backup_open_xml($backup_unique_code);
 169         echo "<li>".get_string("writinggeneralinfo").'</li>';
 170         //Prints general info about backup to file
 171         if ($backup_file) {
 172             if (!$status = backup_general_info($backup_file,$preferences)) {
 173                 notify("An error occurred while backing up general info");
 174             }
 175         }
 176         echo "<li>".get_string("writingcoursedata");
 177
 178         //Start new ul (for course)
 179         echo "<ul>";
 180
 181         echo "<li>".get_string("courseinfo").'</li>';
 182         //Prints course start (tag and general info)
 183         if ($status) {
 184             if (!$status = backup_course_start($backup_file,$preferences)) {
 185                 notify("An error occurred while backing up course start");
 186             }
 187         }
 188         //Metacourse information
 189         if ($status && $preferences->backup_metacourse) {
 190             echo "<li>".get_string("metacourse").'</li>';
 191             if (!$status = backup_course_metacourse($backup_file,$preferences)) {
 192                 notify("An error occurred while backing up metacourse info");
 193             }
 194         }
 195         echo "<li>".get_string("blocks").'</li>';
 196         //Blocks information
 197         if ($status) {
 198             if (!$status = backup_course_blocks($backup_file,$preferences)) {
 199                 notify("An error occurred while backing up course blocks");
 200             }
 201         }
 202         echo "<li>".get_string("sections").'</li>';
 203         //Section info
 204         if ($status) {
 205             if (!$status = backup_course_sections($backup_file,$preferences)) {
 206                 notify("An error occurred while backing up course sections");
 207             }
 208         }
 209
 210         //End course contents (close ul)
 211         echo "</ul></li>";
 212
 213         //User info
 214         if ($status && $preferences->backup_users) {
 215             echo "<li>".get_string("writinguserinfo").'</li>';
 216             if (!$status = backup_user_info($backup_file,$preferences)) {
 217                 notify("An error occurred while backing up user info");
 218             }
 219         }
 220
 221         //If we have selected to backup messages and we are
 222         //doing a SITE backup, let's do it
 223         if ($status && $preferences->backup_messages && $preferences->backup_course == SITEID) {
 224             echo "<li>".get_string("writingmessagesinfo").'</li>';
 225             if (!$status = backup_messages($backup_file,$preferences)) {
 226                 notify("An error occurred while backing up messages");
 227             }
 228         }
 229
 230         //If we have selected to backup quizzes, backup categories and
 231         //questions structure (step 1). See notes on mod/quiz/backuplib.php
 232         if ($status and $preferences->mods['quiz']->backup) {
 233             echo "<li>".get_string("writingcategoriesandquestions").'</li>';
 234             if (!$status = quiz_backup_question_categories($backup_file,$preferences)) {
 235                 notify("An error occurred while backing up quiz categories");
 236             }
 237         }
 238
 239         //Print logs if selected
 240         if ($status) {
 241             if ($preferences->backup_logs) {
 242                 echo "<li>".get_string("writingloginfo").'</li>';
 243                 if (!$status = backup_log_info($backup_file,$preferences)) {
 244                     notify("An error occurred while backing up log info");
 245                 }
 246             }
 247         }
 248
 249         //Print scales info
 250         if ($status) {
 251             echo "<li>".get_string("writingscalesinfo").'</li>';
 252             if (!$status = backup_scales_info($backup_file,$preferences)) {
 253                 notify("An error occurred while backing up scales");
 254             }
 255         }
 256
 257         //Print groups info
 258         if ($status) {
 259             echo "<li>".get_string("writinggroupsinfo").'</li>';
 260             if (!$status = backup_groups_info($backup_file,$preferences)) {
 261                 notify("An error occurred while backing up groups");
 262             }
 263         }
 264
 265         //Print events info
 266         if ($status) {
 267             echo "<li>".get_string("writingeventsinfo").'</li>';
 268             if (!$status = backup_events_info($backup_file,$preferences)) {
 269                 notify("An error occurred while backing up events");
 270             }
 271         }
 272
 273         //Print gradebook info
 274         if ($status) {
 275             echo "<li>".get_string("writinggradebookinfo").'</li>';
 276             if (!$status = backup_gradebook_info($backup_file,$preferences)) {
 277                 notify("An error occurred while backing up gradebook");
 278             }
 279         }
 280
 281         //Module info, this unique function makes all the work!!
 282         //db export and module fileis copy
 283         if ($status) {
 284             $mods_to_backup = false;
 285             //Check if we have any mod to backup
 286             foreach ($preferences->mods as $module) {
 287                 if ($module->backup) {
 288                     $mods_to_backup = true;
 289                 }
 290             }
 291             //If we have to backup some module
 292             if ($mods_to_backup) {
 293                 echo "<li>".get_string("writingmoduleinfo");
 294                 //Start modules tag
 295                 if (!$status = backup_modules_start ($backup_file,$preferences)) {
 296                     notify("An error occurred while backing up module info");
 297                 }
 298                 //Open ul for module list
 299                 echo "<ul>";
 300                 //Iterate over modules and call backup
 301                 foreach ($preferences->mods as $module) {
 302                     if ($module->backup and $status) {
 303                         echo "<li>".get_string("modulenameplural",$module->name).'</li>';
 304                         if (!$status = backup_module($backup_file,$preferences,$module->name)) {
 305                             notify("An error occurred while backing up '$module->name'");
 306                         }
 307                     }
 308                 }
 309                 //Close ul for module list
 310                 echo "</ul></li>";
 311                 //Close modules tag
 312                 if (!$status = backup_modules_end ($backup_file,$preferences)) {
 313                     notify("An error occurred while finishing the module backups");
 314                 }
 315             }
 316         }
 317
 318         //Prints course end
 319         if ($status) {
 320             if (!$status = backup_course_end($backup_file,$preferences)) {
 321                 notify("An error occurred while closing the course backup");
 322             }
 323         }
 324         //Close the xml file and xml data
 325         if ($backup_file) {
 326             backup_close_xml($backup_file);
 327         }
 328
 329         //End xml contents (close ul)
 330         echo "</ul></li>";
 331     }
 332
 333     //Now, if selected, copy user files
 334     if ($status) {
 335         if ($preferences->backup_user_files) {
 336             echo "<li>".get_string("copyinguserfiles").'</li>';
 337             if (!$status = backup_copy_user_files ($preferences)) {
 338                 notify("An error occurred while copying user files");
 339             }
 340         }
 341     }
 342
 343     //Now, if selected, copy course files
 344     if ($status) {
 345         if ($preferences->backup_course_files) {
 346             echo "<li>".get_string("copyingcoursefiles").'</li>';
 347             if (!$status = backup_copy_course_files ($preferences)) {
 348                 notify("An error occurred while copying course files");
 349             }
 350         }
 351     }
 352
 353     //Now, zip all the backup directory contents
 354     if ($status) {
 355         echo "<li>".get_string("zippingbackup").'</li>';
 356         if (!$status = backup_zip ($preferences)) {
 357             notify("An error occurred while zipping the backup");
 358         }
 359     }
 360
 361     //Now, copy the zip file to course directory
 362     if ($status) {
 363         echo "<li>".get_string("copyingzipfile").'</li>';
 364         if (!$status = copy_zip_to_course_dir ($preferences)) {
 365             notify("An error occurred while copying the zip file to the course directory");
 366         }
 367     }
 368
 369     //Now, clean temporary data (db and filesystem)
 370     if ($status) {
 371         echo "<li>".get_string("cleaningtempdata").'</li>';
 372         if (!$status = clean_temp_data ($preferences)) {
 373             notify("An error occurred while cleaning up temporary data");
 374         }
 375     }
 376
 377     //Ends th main ul
 378     echo "</ul>";
 379
 380     //End the main tr, where all the backup is done
 381     echo "</td></tr>";
 382
 383     //End the main table
 384     echo "</table>";
 385
 386     if (!$status) {
 387         error ("The backup did not complete successfully",
 388                "$CFG->wwwroot/course/view.php?id=$course->id");
 389     }
 390
 391     if (empty($to)) {
 392         //Print final message
 393         print_simple_box(get_string("backupfinished"),"center");
 394         print_continue("$CFG->wwwroot/files/index.php?id=".$preferences->backup_course."&amp;wdir=/backupdata");
 395     } else {
 396         print_simple_box(get_string('importdataexported'),"CENTER");
 397         if (!empty($preferences->backup_destination)) {
 398             $filename = $preferences->backup_destination."/".$preferences->backup_name;
 399         } else {
 400             $filename = $preferences->backup_course."/backupdata/".$preferences->backup_name;
 401         }
 402         error_log($filename);
 403         $SESSION->import_preferences = $preferences;
 404         print_continue($CFG->wwwroot.'/course/import.php?id='.$to.'&fromcourse='.$id.'&filename='.$filename);
 405     }
 406 ?>