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25ef0370d5
Complete refactoring of the system that was really awful (my fault!). Now everything is in its place and working like a charm, making things really easier to be implemented and amplied. Bug 3678 (http://moodle.org/bugs/bug.php?op=show&bugid=3678) (http://moodle.org/mod/forum/discuss.php?d=26530) Note: Everything is merged from stable but the quiz module because it has other changes not merged for now. I've skyped a message to Gustav about it. Merged from MOODLE_15_STABLE
202 lines
8.6 KiB
PHP
202 lines
8.6 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 backup procedure about this mod
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function assignment_backup_mods($bf,$preferences) {
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global $CFG;
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$status = true;
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//Iterate over assignment table
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$assignments = get_records ("assignment","course",$preferences->backup_course,"id");
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if ($assignments) {
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foreach ($assignments as $assignment) {
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//Start mod
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fwrite ($bf,start_tag("MOD",3,true));
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//Print assignment data
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fwrite ($bf,full_tag("ID",4,false,$assignment->id));
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fwrite ($bf,full_tag("MODTYPE",4,false,"assignment"));
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fwrite ($bf,full_tag("NAME",4,false,$assignment->name));
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fwrite ($bf,full_tag("DESCRIPTION",4,false,$assignment->description));
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fwrite ($bf,full_tag("FORMAT",4,false,$assignment->format));
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fwrite ($bf,full_tag("RESUBMIT",4,false,$assignment->resubmit));
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fwrite ($bf,full_tag("PREVENTLATE",4,false,$assignment->preventlate));
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fwrite ($bf,full_tag("EMAILTEACHERS",4,false,$assignment->emailteachers));
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fwrite ($bf,full_tag("VAR1",4,false,$assignment->var1));
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fwrite ($bf,full_tag("VAR2",4,false,$assignment->var2));
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fwrite ($bf,full_tag("VAR3",4,false,$assignment->var3));
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fwrite ($bf,full_tag("VAR4",4,false,$assignment->var4));
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fwrite ($bf,full_tag("VAR5",4,false,$assignment->var5));
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fwrite ($bf,full_tag("ASSIGNMENTTYPE",4,false,$assignment->assignmenttype));
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fwrite ($bf,full_tag("MAXBYTES",4,false,$assignment->maxbytes));
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fwrite ($bf,full_tag("TIMEDUE",4,false,$assignment->timedue));
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fwrite ($bf,full_tag("TIMEAVAILABLE",4,false,$assignment->timeavailable));
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fwrite ($bf,full_tag("GRADE",4,false,$assignment->grade));
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fwrite ($bf,full_tag("TIMEMODIFIED",4,false,$assignment->timemodified));
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//if we've selected to backup users info, then execute backup_assignment_submisions
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if ($preferences->mods["assignment"]->userinfo) {
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$status = backup_assignment_submissions($bf,$preferences,$assignment->id);
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}
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//End mod
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$status =fwrite ($bf,end_tag("MOD",3,true));
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}
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}
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//if we've selected to backup users info, then backup files too
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if ($status) {
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if ($preferences->mods["assignment"]->userinfo) {
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$status = backup_assignment_files($bf,$preferences);
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}
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}
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return $status;
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}
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//Backup assignment_submissions contents (executed from assignment_backup_mods)
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function backup_assignment_submissions ($bf,$preferences,$assignment) {
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global $CFG;
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$status = true;
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$assignment_submissions = get_records("assignment_submissions","assignment",$assignment,"id");
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//If there is submissions
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if ($assignment_submissions) {
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//Write start tag
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$status =fwrite ($bf,start_tag("SUBMISSIONS",4,true));
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//Iterate over each submission
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foreach ($assignment_submissions as $ass_sub) {
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//Start submission
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$status =fwrite ($bf,start_tag("SUBMISSION",5,true));
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//Print submission contents
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fwrite ($bf,full_tag("ID",6,false,$ass_sub->id));
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fwrite ($bf,full_tag("USERID",6,false,$ass_sub->userid));
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fwrite ($bf,full_tag("TIMECREATED",6,false,$ass_sub->timecreated));
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fwrite ($bf,full_tag("TIMEMODIFIED",6,false,$ass_sub->timemodified));
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fwrite ($bf,full_tag("NUMFILES",6,false,$ass_sub->numfiles));
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fwrite ($bf,full_tag("DATA1",6,false,$ass_sub->data1));
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fwrite ($bf,full_tag("DATA2",6,false,$ass_sub->data2));
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fwrite ($bf,full_tag("GRADE",6,false,$ass_sub->grade));
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fwrite ($bf,full_tag("COMMENT",6,false,$ass_sub->comment));
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fwrite ($bf,full_tag("FORMAT",6,false,$ass_sub->format));
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fwrite ($bf,full_tag("TEACHER",6,false,$ass_sub->teacher));
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fwrite ($bf,full_tag("TIMEMARKED",6,false,$ass_sub->timemarked));
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fwrite ($bf,full_tag("MAILED",6,false,$ass_sub->mailed));
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//End submission
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$status =fwrite ($bf,end_tag("SUBMISSION",5,true));
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}
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//Write end tag
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$status =fwrite ($bf,end_tag("SUBMISSIONS",4,true));
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}
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return $status;
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}
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//Backup assignment files because we've selected to backup user info
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//and files are user info's level
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function backup_assignment_files($bf,$preferences) {
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global $CFG;
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$status = true;
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//First we check to moddata exists and create it as necessary
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//in temp/backup/$backup_code dir
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$status = check_and_create_moddata_dir($preferences->backup_unique_code);
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//Now copy the assignment dir
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if ($status) {
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//Only if it exists !! Thanks to Daniel Miksik.
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if (is_dir($CFG->dataroot."/".$preferences->backup_course."/".$CFG->moddata."/assignment")) {
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$status = backup_copy_file($CFG->dataroot."/".$preferences->backup_course."/".$CFG->moddata."/assignment",
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$CFG->dataroot."/temp/backup/".$preferences->backup_unique_code."/moddata/assignment");
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}
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}
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return $status;
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}
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//Return an array of info (name,value)
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function assignment_check_backup_mods($course,$user_data=false,$backup_unique_code) {
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//First the course data
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$info[0][0] = get_string("modulenameplural","assignment");
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if ($ids = assignment_ids ($course)) {
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$info[0][1] = count($ids);
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} else {
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$info[0][1] = 0;
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}
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//Now, if requested, the user_data
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if ($user_data) {
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$info[1][0] = get_string("submissions","assignment");
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if ($ids = assignment_submission_ids_by_course ($course)) {
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$info[1][1] = count($ids);
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} else {
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$info[1][1] = 0;
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}
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}
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return $info;
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}
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//Return a content encoded to support interactivities linking. Every module
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//should have its own. They are called automatically from the backup procedure.
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function assignment_encode_content_links ($content,$preferences) {
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global $CFG;
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$base = preg_quote($CFG->wwwroot,"/");
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//Link to the list of assignments
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$buscar="/(".$base."\/mod\/assignment\/index.php\?id\=)([0-9]+)/";
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$result= preg_replace($buscar,'$@ASSIGNMENTINDEX*$2@$',$content);
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//Link to assignment view by moduleid
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$buscar="/(".$base."\/mod\/assignment\/view.php\?id\=)([0-9]+)/";
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$result= preg_replace($buscar,'$@ASSIGNMENTVIEWBYID*$2@$',$result);
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return $result;
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}
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// INTERNAL FUNCTIONS. BASED IN THE MOD STRUCTURE
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//Returns an array of assignments id
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function assignment_ids ($course) {
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global $CFG;
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return get_records_sql ("SELECT a.id, a.course
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FROM {$CFG->prefix}assignment a
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WHERE a.course = '$course'");
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}
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//Returns an array of assignment_submissions id
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function assignment_submission_ids_by_course ($course) {
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global $CFG;
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return get_records_sql ("SELECT s.id , s.assignment
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FROM {$CFG->prefix}assignment_submissions s,
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{$CFG->prefix}assignment a
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WHERE a.course = '$course' AND
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s.assignment = a.id");
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}
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?>
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