mirror of
https://github.com/moodle/moodle.git
synced 2025-02-15 21:36:58 +01:00
85b9471fb4
by the restore process. Such conversion is performed for every backup file prior to 2005041100. Wiki internal links are dinamically changed and then, converted to Markdown. Bye, Wiki! ;-)
346 lines
14 KiB
PHP
346 lines
14 KiB
PHP
<?php //$Id$
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//This php script contains all the stuff to backup/restore
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//assignment mods
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//This is the "graphical" structure of the assignment mod:
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//
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// assignment
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// (CL,pk->id)
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// |
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// |
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// |
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// assignment_submisions
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// (UL,pk->id, fk->assignment,files)
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//
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// Meaning: pk->primary key field of the table
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// fk->foreign key to link with parent
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// nt->nested field (recursive data)
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// CL->course level info
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// UL->user level info
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// files->table may have files)
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//
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//-----------------------------------------------------------
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//This function executes all the restore procedure about this mod
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function assignment_restore_mods($mod,$restore) {
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global $CFG;
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$status = true;
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//Get record from backup_ids
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$data = backup_getid($restore->backup_unique_code,$mod->modtype,$mod->id);
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if ($data) {
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//Now get completed xmlized object
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$info = $data->info;
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//traverse_xmlize($info); //Debug
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//print_object ($GLOBALS['traverse_array']); //Debug
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//$GLOBALS['traverse_array']=""; //Debug
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//Now, build the ASSIGNMENT record structure
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$assignment->course = $restore->course_id;
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$assignment->name = backup_todb($info['MOD']['#']['NAME']['0']['#']);
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$assignment->description = backup_todb($info['MOD']['#']['DESCRIPTION']['0']['#']);
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$assignment->format = backup_todb($info['MOD']['#']['FORMAT']['0']['#']);
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$assignment->resubmit = backup_todb($info['MOD']['#']['RESUBMIT']['0']['#']);
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$assignment->emailteachers = backup_todb($info['MOD']['#']['EMAILTEACHERS']['0']['#']);
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$assignment->type = backup_todb($info['MOD']['#']['TYPE']['0']['#']);
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$assignment->maxbytes = backup_todb($info['MOD']['#']['MAXBYTES']['0']['#']);
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$assignment->timedue = backup_todb($info['MOD']['#']['TIMEDUE']['0']['#']);
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$assignment->grade = backup_todb($info['MOD']['#']['GRADE']['0']['#']);
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$assignment->timemodified = backup_todb($info['MOD']['#']['TIMEMODIFIED']['0']['#']);
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//We have to recode the grade field if it is <0 (scale)
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if ($assignment->grade < 0) {
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$scale = backup_getid($restore->backup_unique_code,"scale",abs($assignment->grade));
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if ($scale) {
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$assignment->grade = -($scale->new_id);
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}
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}
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//The structure is equal to the db, so insert the assignment
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$newid = insert_record ("assignment",$assignment);
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//Do some output
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echo "<li>".get_string("modulename","assignment")." \"".format_string(stripslashes($assignment->name),true)."\"</li>";
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backup_flush(300);
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if ($newid) {
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//We have the newid, update backup_ids
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backup_putid($restore->backup_unique_code,$mod->modtype,
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$mod->id, $newid);
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//Now check if want to restore user data and do it.
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if ($restore->mods['assignment']->userinfo) {
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//Restore assignmet_submissions
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$status = assignment_submissions_restore_mods ($mod->id, $newid,$info,$restore);
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}
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} else {
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$status = false;
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}
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} else {
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$status = false;
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}
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return $status;
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}
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//This function restores the assignment_submissions
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function assignment_submissions_restore_mods($old_assignment_id, $new_assignment_id,$info,$restore) {
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global $CFG;
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$status = true;
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//Get the submissions array
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$submissions = $info['MOD']['#']['SUBMISSIONS']['0']['#']['SUBMISSION'];
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//Iterate over submissions
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for($i = 0; $i < sizeof($submissions); $i++) {
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$sub_info = $submissions[$i];
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//traverse_xmlize($sub_info); //Debug
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//print_object ($GLOBALS['traverse_array']); //Debug
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//$GLOBALS['traverse_array']=""; //Debug
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//We'll need this later!!
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$oldid = backup_todb($sub_info['#']['ID']['0']['#']);
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$olduserid = backup_todb($sub_info['#']['USERID']['0']['#']);
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//Now, build the ASSIGNMENT_SUBMISSIONS record structure
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$submission->assignment = $new_assignment_id;
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$submission->userid = backup_todb($sub_info['#']['USERID']['0']['#']);
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$submission->timecreated = backup_todb($sub_info['#']['TIMECREATED']['0']['#']);
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$submission->timemodified = backup_todb($sub_info['#']['TIMEMODIFIED']['0']['#']);
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$submission->numfiles = backup_todb($sub_info['#']['NUMFILES']['0']['#']);
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$submission->grade = backup_todb($sub_info['#']['GRADE']['0']['#']);
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$submission->comment = backup_todb($sub_info['#']['COMMENT']['0']['#']);
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$submission->teacher = backup_todb($sub_info['#']['TEACHER']['0']['#']);
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$submission->timemarked = backup_todb($sub_info['#']['TIMEMARKED']['0']['#']);
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$submission->mailed = backup_todb($sub_info['#']['MAILED']['0']['#']);
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//We have to recode the userid field
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$user = backup_getid($restore->backup_unique_code,"user",$submission->userid);
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if ($user) {
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$submission->userid = $user->new_id;
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}
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//We have to recode the teacher field
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$user = backup_getid($restore->backup_unique_code,"user",$submission->teacher);
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if ($user) {
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$submission->teacher = $user->new_id;
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}
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//The structure is equal to the db, so insert the assignment_submission
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$newid = insert_record ("assignment_submissions",$submission);
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//Do some output
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if (($i+1) % 50 == 0) {
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echo ".";
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if (($i+1) % 1000 == 0) {
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echo "<br />";
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}
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backup_flush(300);
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}
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if ($newid) {
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//We have the newid, update backup_ids
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backup_putid($restore->backup_unique_code,"assignment_submission",$oldid,
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$newid);
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//Now copy moddata associated files
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$status = assignment_restore_files ($old_assignment_id, $new_assignment_id,
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$olduserid, $submission->userid, $restore);
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} else {
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$status = false;
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}
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}
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return $status;
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}
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//This function copies the assignment related info from backup temp dir to course moddata folder,
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//creating it if needed and recoding everything (assignment id and user id)
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function assignment_restore_files ($oldassid, $newassid, $olduserid, $newuserid, $restore) {
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global $CFG;
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$status = true;
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$todo = false;
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$moddata_path = "";
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$assignment_path = "";
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$temp_path = "";
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//First, we check to "course_id" exists and create is as necessary
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//in CFG->dataroot
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$dest_dir = $CFG->dataroot."/".$restore->course_id;
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$status = check_dir_exists($dest_dir,true);
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//Now, locate course's moddata directory
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$moddata_path = $CFG->dataroot."/".$restore->course_id."/".$CFG->moddata;
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//Check it exists and create it
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$status = check_dir_exists($moddata_path,true);
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//Now, locate assignment directory
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if ($status) {
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$assignment_path = $moddata_path."/assignment";
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//Check it exists and create it
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$status = check_dir_exists($assignment_path,true);
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}
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//Now locate the temp dir we are gong to restore
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if ($status) {
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$temp_path = $CFG->dataroot."/temp/backup/".$restore->backup_unique_code.
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"/moddata/assignment/".$oldassid."/".$olduserid;
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//Check it exists
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if (is_dir($temp_path)) {
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$todo = true;
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}
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}
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//If todo, we create the neccesary dirs in course moddata/assignment
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if ($status and $todo) {
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//First this assignment id
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$this_assignment_path = $assignment_path."/".$newassid;
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$status = check_dir_exists($this_assignment_path,true);
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//Now this user id
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$user_assignment_path = $this_assignment_path."/".$newuserid;
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//And now, copy temp_path to user_assignment_path
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$status = backup_copy_file($temp_path, $user_assignment_path);
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}
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return $status;
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}
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//This function converts texts in FORMAT_WIKI to FORMAT_MARKDOWN for
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//some texts in the module
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function assignment_restore_wiki2markdown ($restore) {
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global $CFG;
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$status = true;
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//Convert assignment->description
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if ($records = get_records_sql ("SELECT a.id, a.description, a.format
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FROM {$CFG->prefix}assignment a,
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{$CFG->prefix}backup_ids b
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WHERE a.course = $restore->course_id AND
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a.format = ".FORMAT_WIKI. " AND
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b.backup_code = $restore->backup_unique_code AND
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b.table_name = 'assignment' AND
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b.new_id = a.id")) {
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foreach ($records as $record) {
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//Rebuild wiki links
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$record->description = restore_decode_wiki_content($record->description, $restore);
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//Convert to Markdown
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$wtm = new WikiToMarkdown();
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$record->description = $wtm->convert($record->description, $restore->course_id);
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$record->format = FORMAT_MARKDOWN;
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$status = update_record('assignment', addslashes_object($record));
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//Do some output
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$i++;
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if (($i+1) % 1 == 0) {
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echo ".";
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if (($i+1) % 20 == 0) {
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echo "<br />";
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}
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backup_flush(300);
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}
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}
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}
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return $status;
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}
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//This function returns a log record with all the necessay transformations
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//done. It's used by restore_log_module() to restore modules log.
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function assignment_restore_logs($restore,$log) {
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$status = false;
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//Depending of the action, we recode different things
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switch ($log->action) {
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case "add":
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if ($log->cmid) {
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//Get the new_id of the module (to recode the info field)
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$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
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if ($mod) {
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$log->url = "view.php?id=".$log->cmid;
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$log->info = $mod->new_id;
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$status = true;
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}
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}
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break;
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case "update":
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if ($log->cmid) {
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//Get the new_id of the module (to recode the info field)
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$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
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if ($mod) {
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$log->url = "view.php?id=".$log->cmid;
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$log->info = $mod->new_id;
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$status = true;
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}
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}
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break;
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case "view":
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if ($log->cmid) {
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//Get the new_id of the module (to recode the info field)
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$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
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if ($mod) {
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$log->url = "view.php?id=".$log->cmid;
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$log->info = $mod->new_id;
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$status = true;
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}
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}
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break;
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case "view all":
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$log->url = "index.php?id=".$log->course;
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$status = true;
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break;
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case "upload":
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if ($log->cmid) {
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//Get the new_id of the module (to recode the info field)
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$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
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if ($mod) {
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$log->url = "view.php?a=".$mod->new_id;
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$log->info = $mod->new_id;
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$status = true;
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}
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}
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break;
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case "view submission":
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if ($log->cmid) {
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//Get the new_id of the module (to recode the info field)
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$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
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if ($mod) {
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$log->url = "submissions.php?id=".$mod->new_id;
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$log->info = $mod->new_id;
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$status = true;
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}
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}
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break;
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case "update grades":
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if ($log->cmid) {
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//Extract the assignment id from the url field
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$assid = substr(strrchr($log->url,"="),1);
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//Get the new_id of the module (to recode the info field)
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$mod = backup_getid($restore->backup_unique_code,$log->module,$assid);
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if ($mod) {
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$log->url = "submissions.php?id=".$mod->new_id;
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$status = true;
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}
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}
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break;
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default:
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echo "action (".$log->module."-".$log->action.") unknow. Not restored<br />"; //Debug
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break;
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}
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if ($status) {
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$status = $log;
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}
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return $status;
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}
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?>
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