--- /dev/null
+<?PHP //$Id$
+ //This php script contains all the stuff to backup/restore
+ //workshop mods
+
+ //This is the "graphical" structure of the workshop mod:
+ //
+ // workshop
+ // (CL,pk->id)
+ // |
+ // |
+ // |
+ // |------------------------------|-----------------------------------------------------|
+ // | |
+ // | |
+ // | |
+ // | workshop_submissions
+ // | (UL,pk->id,fk->workshopid,files)
+ // | |
+ // | |---------------------------| |--------------------------------| |
+ // | | | | | |
+ // workshop_elements workshop_grades workshop_assessments
+ // (CL,pk->id,fk->workshopid) (UL,pk->id,fk->assessmentid) (UL,pk->id,fk->submissionid)
+ // | ( fk->elementno ) |
+ // | |
+ // | |
+ // workshop_rubrics workshop_comments
+ // (CL,pk->id,fk->elementno) (UL,pk->id,fk->assessmentid)
+ //
+ // Meaning: pk->primary key field of the table
+ // fk->foreign key to link with parent
+ // nt->nested field (recursive data)
+ // CL->course level info
+ // UL->user level info
+ // files->table may have files)
+ //
+ //-----------------------------------------------------------
+
+ //This function executes all the backup procedure about this mod
+ function workshop_backup_mods($bf,$preferences) {
+
+ global $CFG;
+
+ $status = true;
+
+ //Iterate over workshop table
+ $workshops = get_records ("workshop","course",$preferences->backup_course,"id");
+ if ($workshops) {
+ foreach ($workshops as $workshop) {
+ //Start mod
+ fwrite ($bf,start_tag("MOD",3,true));
+ //Print workshop data
+ fwrite ($bf,full_tag("ID",4,false,$workshop->id));
+ fwrite ($bf,full_tag("MODTYPE",4,false,"workshop"));
+ fwrite ($bf,full_tag("NAME",4,false,$workshop->name));
+ fwrite ($bf,full_tag("DESCRIPTION",4,false,$workshop->description));
+ fwrite ($bf,full_tag("NELEMENTS",4,false,$workshop->nelements));
+ fwrite ($bf,full_tag("PHASE",4,false,$workshop->phase));
+ fwrite ($bf,full_tag("FORMAT",4,false,$workshop->format));
+ fwrite ($bf,full_tag("GRADINGSTRATEGY",4,false,$workshop->gradingstrategy));
+ fwrite ($bf,full_tag("RESUBMIT",4,false,$workshop->resubmit));
+ fwrite ($bf,full_tag("AGREEASSESSMENTS",4,false,$workshop->agreeassessments));
+ fwrite ($bf,full_tag("HIDEGRADES",4,false,$workshop->hidegrades));
+ fwrite ($bf,full_tag("ANONYMOUS",4,false,$workshop->anonymous));
+ fwrite ($bf,full_tag("INCLUDESELF",4,false,$workshop->includeself));
+ fwrite ($bf,full_tag("MAXBYTES",4,false,$workshop->maxbytes));
+ fwrite ($bf,full_tag("DEADLINE",4,false,$workshop->deadline));
+ fwrite ($bf,full_tag("GRADE",4,false,$workshop->grade));
+ fwrite ($bf,full_tag("NTASSESSMENTS",4,false,$workshop->ntassessments));
+ fwrite ($bf,full_tag("NSASSESSMENTS",4,false,$workshop->nsassessments));
+ fwrite ($bf,full_tag("TIMEMODIFIED",4,false,$workshop->timemodified));
+ fwrite ($bf,full_tag("MERGEGRADES",4,false,$workshop->mergegrades));
+ fwrite ($bf,full_tag("TEACHERWEIGHT",4,false,$workshop->teacherweight));
+ fwrite ($bf,full_tag("PEERWEIGHT",4,false,$workshop->peerweight));
+ fwrite ($bf,full_tag("INCLUDETEACHERSGRADE",4,false,$workshop->includeteachersgrade));
+ fwrite ($bf,full_tag("BIASWEIGHT",4,false,$workshop->biasweight));
+ fwrite ($bf,full_tag("RELIABILITYWEIGHT",4,false,$workshop->reliabilityweight));
+ fwrite ($bf,full_tag("GRADINGWEIGHT",4,false,$workshop->gradingweight));
+ fwrite ($bf,full_tag("SHOWLEAGUETABLE",4,false,$workshop->showleaguetable));
+ //Now we backup workshop elements
+ $status = backup_workshop_elements($bf,$preferences,$workshop->id);
+ //if we've selected to backup users info, then execute backup_workshop_submisions
+ if ($preferences->mods["workshop"]->userinfo) {
+ $status = backup_workshop_submissions($bf,$preferences,$workshop->id);
+ }
+ //End mod
+ $status =fwrite ($bf,end_tag("MOD",3,true));
+ }
+ }
+ //if we've selected to backup users info, then backup files too
+ if ($status) {
+ if ($preferences->mods["workshop"]->userinfo) {
+ $status = backup_workshop_files($bf,$preferences);
+ }
+ }
+ return $status;
+ }
+
+ //Backup workshop_elements contents (executed from workshop_backup_mods)
+ function backup_workshop_elements ($bf,$preferences,$workshop) {
+
+ global $CFG;
+
+ $status = true;
+
+ $workshop_elements = get_records("workshop_elements","workshopid",$workshop,"id");
+ //If there is workshop_elements
+ if ($workshop_elements) {
+ //Write start tag
+ $status =fwrite ($bf,start_tag("ELEMENTS",4,true));
+ //Iterate over each element
+ foreach ($workshop_elements as $wor_ele) {
+ //Start element
+ $status =fwrite ($bf,start_tag("ELEMENT",5,true));
+ //Print element contents
+ fwrite ($bf,full_tag("ELEMENTNO",6,false,$wor_ele->elementno));
+ fwrite ($bf,full_tag("DESCRIPTION",6,false,$wor_ele->description));
+ fwrite ($bf,full_tag("SCALE",6,false,$wor_ele->scale));
+ fwrite ($bf,full_tag("MAXSCORE",6,false,$wor_ele->maxscore));
+ fwrite ($bf,full_tag("WEIGHT",6,false,$wor_ele->weight));
+ //Now we backup workshop rubrics
+ $status = backup_workshop_rubrics($bf,$preferences,$workshop,$wor_ele->elementno);
+ //End element
+ $status =fwrite ($bf,end_tag("ELEMENT",5,true));
+ }
+ //Write end tag
+ $status =fwrite ($bf,end_tag("ELEMENTS",4,true));
+ }
+ return $status;
+ }
+
+ //Backup workshop_rubrics contents (executed from backup_workshop_elements)
+ function backup_workshop_rubrics ($bf,$preferences,$workshop,$elementno) {
+
+ global $CFG;
+
+ $status = true;
+
+ $workshop_rubrics = get_records_sql("SELECT * from {$CFG->prefix}workshop_rubrics r
+ WHERE r.workshopid = '$workshop' and r.elementno = '$elementno'
+ ORDER BY r.elementno");
+
+ //If there is workshop_rubrics
+ if ($workshop_rubrics) {
+ //Write start tag
+ $status =fwrite ($bf,start_tag("RUBRICS",6,true));
+ //Iterate over each element
+ foreach ($workshop_rubrics as $wor_rub) {
+ //Start rubric
+ $status =fwrite ($bf,start_tag("RUBRIC",7,true));
+ //Print rubric contents
+ fwrite ($bf,full_tag("RUBRICNO",8,false,$wor_rub->rubricno));
+ fwrite ($bf,full_tag("DESCRIPTION",8,false,$wor_rub->description));
+ //End rubric
+ $status =fwrite ($bf,end_tag("RUBRIC",7,true));
+ }
+ //Write end tag
+ $status =fwrite ($bf,end_tag("RUBRICS",6,true));
+ }
+ return $status;
+ }
+
+ //Backup workshop_submissions contents (executed from workshop_backup_mods)
+ function backup_workshop_submissions ($bf,$preferences,$workshop) {
+
+ global $CFG;
+
+ $status = true;
+
+ $workshop_submissions = get_records("workshop_submissions","workshopid",$workshop,"id");
+ //If there is submissions
+ if ($workshop_submissions) {
+ //Write start tag
+ $status =fwrite ($bf,start_tag("SUBMISSIONS",4,true));
+ //Iterate over each submission
+ foreach ($workshop_submissions as $wor_sub) {
+ //Start submission
+ $status =fwrite ($bf,start_tag("SUBMISSION",5,true));
+ //Print submission contents
+ fwrite ($bf,full_tag("ID",6,false,$wor_sub->id));
+ fwrite ($bf,full_tag("USERID",6,false,$wor_sub->userid));
+ fwrite ($bf,full_tag("TITLE",6,false,$wor_sub->title));
+ fwrite ($bf,full_tag("TIMECREATED",6,false,$wor_sub->timecreated));
+ fwrite ($bf,full_tag("MAILED",6,false,$wor_sub->mailed));
+ fwrite ($bf,full_tag("TEACHERGRADE",6,false,$wor_sub->teachergrade));
+ fwrite ($bf,full_tag("PEERGRADE",6,false,$wor_sub->peergrade));
+ fwrite ($bf,full_tag("BIASGRADE",6,false,$wor_sub->biasgrade));
+ fwrite ($bf,full_tag("RELIABILITYGRADE",6,false,$wor_sub->reliabilitygrade));
+ fwrite ($bf,full_tag("GRADINGGRADE",6,false,$wor_sub->gradinggrade));
+ fwrite ($bf,full_tag("FINALGRADE",6,false,$wor_sub->finalgrade));
+ //Now we backup workshop assessments
+ $status = backup_workshop_assessments($bf,$preferences,$workshop,$wor_sub->id);
+ //End submission
+ $status =fwrite ($bf,end_tag("SUBMISSION",5,true));
+ }
+ //Write end tag
+ $status =fwrite ($bf,end_tag("SUBMISSIONS",4,true));
+ }
+ return $status;
+ }
+
+ //Backup workshop_assessments contents (executed from backup_workshop_submissions)
+ function backup_workshop_assessments ($bf,$preferences,$workshop,$submission) {
+
+ global $CFG;
+
+ $status = true;
+
+ //NOTE: I think that the workshopid can go out (submissionid is a good unique fk), but mantain it, as is in db !!
+ $workshop_assessments = get_records_sql("SELECT * from {$CFG->prefix}workshop_assessments a
+ WHERE a.workshopid = '$workshop' and a.submissionid = '$submission'
+ ORDER BY a.id");
+
+ //If there is workshop_assessments
+ if ($workshop_assessments) {
+ //Write start tag
+ $status =fwrite ($bf,start_tag("ASSESSMENTS",6,true));
+ //Iterate over each assessment
+ foreach ($workshop_assessments as $wor_ass) {
+ //Start assessment
+ $status =fwrite ($bf,start_tag("ASSESSMENT",7,true));
+ //Print assessment contents
+ fwrite ($bf,full_tag("ID",8,false,$wor_ass->id));
+ fwrite ($bf,full_tag("USERID",8,false,$wor_ass->userid));
+ fwrite ($bf,full_tag("TIMECREATED",8,false,$wor_ass->timecreated));
+ fwrite ($bf,full_tag("TIMEGRADED",8,false,$wor_ass->timegraded));
+ fwrite ($bf,full_tag("TIMEAGREED",8,false,$wor_ass->timeagreed));
+ fwrite ($bf,full_tag("GRADE",8,false,$wor_ass->grade));
+ fwrite ($bf,full_tag("GRADINGGRADE",8,false,$wor_ass->gradinggrade));
+ fwrite ($bf,full_tag("MAILED",8,false,$wor_ass->mailed));
+ fwrite ($bf,full_tag("GENERALCOMMENT",8,false,$wor_ass->generalcomment));
+ fwrite ($bf,full_tag("TEACHERCOMMENT",8,false,$wor_ass->teachercomment));
+ //Now we backup workshop comments
+ $status = backup_workshop_comments($bf,$preferences,$workshop,$wor_ass->id);
+ //Now we backup workshop grades
+ $status = backup_workshop_grades($bf,$preferences,$workshop,$wor_ass->id);
+ //End assessment
+ $status =fwrite ($bf,end_tag("ASSESSMENT",7,true));
+ }
+ //Write end tag
+ $status =fwrite ($bf,end_tag("ASSESSMENTS",6,true));
+ }
+ return $status;
+ }
+
+ //Backup workshop_comments contents (executed from backup_workshop_assessments)
+ function backup_workshop_comments ($bf,$preferences,$workshop,$assessmentid) {
+
+ global $CFG;
+
+ $status = true;
+
+ //NOTE: I think that the workshopid can go out (assessmentid is a good unique fk), but mantain it, as is in db !!
+ $workshop_comments = get_records_sql("SELECT * from {$CFG->prefix}workshop_comments c
+ WHERE c.workshopid = '$workshop' and c.assessmentid = '$assessmentid'
+ ORDER BY c.id");
+
+ //If there is workshop_comments
+ if ($workshop_comments) {
+ //Write start tag
+ $status =fwrite ($bf,start_tag("COMMENTS",8,true));
+ //Iterate over each comment
+ foreach ($workshop_comments as $wor_com) {
+ //Start comment
+ $status =fwrite ($bf,start_tag("COMMENT",9,true));
+ //Print comment contents
+ fwrite ($bf,full_tag("USERID",10,false,$wor_com->userid));
+ fwrite ($bf,full_tag("TIMECREATED",10,false,$wor_com->timecreated));
+ fwrite ($bf,full_tag("MAILED",10,false,$wor_com->mailed));
+ fwrite ($bf,full_tag("COMMENT_TEXT",10,false,$wor_com->comments));
+ //End comment
+ $status =fwrite ($bf,end_tag("COMMENT",9,true));
+ }
+ //Write end tag
+ $status =fwrite ($bf,end_tag("COMMENTS",8,true));
+ }
+ return $status;
+ }
+
+ //Backup workshop_grades contents (executed from backup_workshop_assessments)
+ function backup_workshop_grades ($bf,$preferences,$workshop,$assessmentid) {
+
+ global $CFG;
+
+ $status = true;
+
+ //NOTE: I think that the workshopid can go out (assessmentid is a good unique fk), but mantain it, as is in db !!
+ $workshop_grades = get_records_sql("SELECT * from {$CFG->prefix}workshop_grades g
+ WHERE g.workshopid = '$workshop' and g.assessmentid = '$assessmentid'
+ ORDER BY g.elementno");
+
+ //If there is workshop_grades
+ if ($workshop_grades) {
+ //Write start tag
+ $status =fwrite ($bf,start_tag("GRADES",8,true));
+ //Iterate over each grade
+ foreach ($workshop_grades as $wor_gra) {
+ //Start grade
+ $status =fwrite ($bf,start_tag("GRADE",9,true));
+ //Print grade contents
+ fwrite ($bf,full_tag("ELEMENTNO",10,false,$wor_gra->elementno));
+ fwrite ($bf,full_tag("FEEDBACK",10,false,$wor_gra->feedback));
+ fwrite ($bf,full_tag("GRADE_VALUE",10,false,$wor_gra->grade));
+ //End comment
+ $status =fwrite ($bf,end_tag("GRADE",9,true));
+ }
+ //Write end tag
+ $status =fwrite ($bf,end_tag("GRADES",8,true));
+ }
+ return $status;
+ }
+
+
+ //Backup workshop files because we've selected to backup user info
+ //and files are user info's level
+ function backup_workshop_files($bf,$preferences) {
+
+ global $CFG;
+
+ $status = true;
+
+ //First we check to moddata exists and create it as necessary
+ //in temp/backup/$backup_code dir
+ $status = check_and_create_moddata_dir($preferences->backup_unique_code);
+ //Now copy the workshop dir
+ if ($status) {
+ //Only if it exists !! Thanks to Daniel Miksik.
+ if (is_dir($CFG->dataroot."/".$preferences->backup_course."/".$CFG->moddata."/workshop")) {
+ $status = backup_copy_file($CFG->dataroot."/".$preferences->backup_course."/".$CFG->moddata."/workshop",
+ $CFG->dataroot."/temp/backup/".$preferences->backup_unique_code."/moddata/workshop");
+ }
+ }
+
+ return $status;
+
+ }
+
+ //Return an array of info (name,value)
+ function workshop_check_backup_mods($course,$user_data=false,$backup_unique_code) {
+ //First the course data
+ $info[0][0] = get_string("modulenameplural","workshop");
+ if ($ids = workshop_ids ($course)) {
+ $info[0][1] = count($ids);
+ } else {
+ $info[0][1] = 0;
+ }
+
+ //Now, if requested, the user_data
+ if ($user_data) {
+ $info[1][0] = get_string("submissions","workshop");
+ if ($ids = workshop_submission_ids_by_course ($course)) {
+ $info[1][1] = count($ids);
+ } else {
+ $info[1][1] = 0;
+ }
+ }
+ return $info;
+ }
+
+
+
+
+
+
+ // INTERNAL FUNCTIONS. BASED IN THE MOD STRUCTURE
+
+ //Returns an array of workshop id
+ function workshop_ids ($course) {
+
+ global $CFG;
+
+ return get_records_sql ("SELECT w.id, w.course
+ FROM {$CFG->prefix}workshop w
+ WHERE w.course = '$course'");
+ }
+
+ //Returns an array of workshop_submissions id
+ function workshop_submission_ids_by_course ($course) {
+
+ global $CFG;
+
+ return get_records_sql ("SELECT s.id , s.workshopid
+ FROM {$CFG->prefix}workshop_submissions s,
+ {$CFG->prefix}workshop w
+ WHERE w.course = '$course' AND
+ s.workshopid = w.id");
+ }
+?>