id) // | // | // | // assignment_submisions // (UL,pk->id, fk->assignment,files) // // 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 assignment_backup_mods($bf,$preferences) { global $CFG; $status = true; //Iterate over assignment table $assignments = get_records ("assignment","course",$preferences->backup_course,"id"); if ($assignments) { foreach ($assignments as $assignment) { if (backup_mod_selected($preferences,'assignment',$assignment->id)) { $status = assignment_backup_one_mod($bf,$preferences,$assignment); // backup files happens in backup_one_mod now too. } } } return $status; } function assignment_backup_one_mod($bf,$preferences,$assignment) { global $CFG; if (is_numeric($assignment)) { $assignment = get_record('assignment','id',$assignment); } $status = true; //Start mod fwrite ($bf,start_tag("MOD",3,true)); //Print assignment data fwrite ($bf,full_tag("ID",4,false,$assignment->id)); fwrite ($bf,full_tag("MODTYPE",4,false,"assignment")); fwrite ($bf,full_tag("NAME",4,false,$assignment->name)); fwrite ($bf,full_tag("DESCRIPTION",4,false,$assignment->description)); fwrite ($bf,full_tag("FORMAT",4,false,$assignment->format)); fwrite ($bf,full_tag("RESUBMIT",4,false,$assignment->resubmit)); fwrite ($bf,full_tag("PREVENTLATE",4,false,$assignment->preventlate)); fwrite ($bf,full_tag("EMAILTEACHERS",4,false,$assignment->emailteachers)); fwrite ($bf,full_tag("VAR1",4,false,$assignment->var1)); fwrite ($bf,full_tag("VAR2",4,false,$assignment->var2)); fwrite ($bf,full_tag("VAR3",4,false,$assignment->var3)); fwrite ($bf,full_tag("VAR4",4,false,$assignment->var4)); fwrite ($bf,full_tag("VAR5",4,false,$assignment->var5)); fwrite ($bf,full_tag("ASSIGNMENTTYPE",4,false,$assignment->assignmenttype)); fwrite ($bf,full_tag("MAXBYTES",4,false,$assignment->maxbytes)); fwrite ($bf,full_tag("TIMEDUE",4,false,$assignment->timedue)); fwrite ($bf,full_tag("TIMEAVAILABLE",4,false,$assignment->timeavailable)); fwrite ($bf,full_tag("GRADE",4,false,$assignment->grade)); fwrite ($bf,full_tag("TIMEMODIFIED",4,false,$assignment->timemodified)); $class = 'assignment_' . $assignment->assignmenttype; require_once($CFG->dirroot . '/mod/assignment/lib.php'); require_once($CFG->dirroot . '/mod/assignment/type/' . $assignment->assignmenttype . '/assignment.class.php'); call_user_func(array($class, 'backup_one_mod'), $bf, $preferences, $assignment); //if we've selected to backup users info, then execute backup_assignment_submisions and //backup_assignment_files_instance if (backup_userdata_selected($preferences,'assignment',$assignment->id)) { $status = backup_assignment_submissions($bf,$preferences,$assignment); if ($status) { $status = backup_assignment_files_instance($bf,$preferences,$assignment->id); } } //End mod $status =fwrite ($bf,end_tag("MOD",3,true)); return $status; } //Backup assignment_submissions contents (executed from assignment_backup_mods) function backup_assignment_submissions ($bf,$preferences,$assignment) { global $CFG; $status = true; $assignment_submissions = get_records("assignment_submissions","assignment",$assignment->id,"id"); //If there is submissions if ($assignment_submissions) { //Write start tag $status =fwrite ($bf,start_tag("SUBMISSIONS",4,true)); //Iterate over each submission foreach ($assignment_submissions as $ass_sub) { //Start submission $status =fwrite ($bf,start_tag("SUBMISSION",5,true)); //Print submission contents fwrite ($bf,full_tag("ID",6,false,$ass_sub->id)); fwrite ($bf,full_tag("USERID",6,false,$ass_sub->userid)); fwrite ($bf,full_tag("TIMECREATED",6,false,$ass_sub->timecreated)); fwrite ($bf,full_tag("TIMEMODIFIED",6,false,$ass_sub->timemodified)); fwrite ($bf,full_tag("NUMFILES",6,false,$ass_sub->numfiles)); fwrite ($bf,full_tag("DATA1",6,false,$ass_sub->data1)); fwrite ($bf,full_tag("DATA2",6,false,$ass_sub->data2)); fwrite ($bf,full_tag("GRADE",6,false,$ass_sub->grade)); fwrite ($bf,full_tag("SUBMISSIONCOMMENT",6,false,$ass_sub->submissioncomment)); fwrite ($bf,full_tag("FORMAT",6,false,$ass_sub->format)); fwrite ($bf,full_tag("TEACHER",6,false,$ass_sub->teacher)); fwrite ($bf,full_tag("TIMEMARKED",6,false,$ass_sub->timemarked)); fwrite ($bf,full_tag("MAILED",6,false,$ass_sub->mailed)); $class = 'assignment_' . $assignment->assignmenttype; require_once($CFG->dirroot . '/mod/assignment/lib.php'); require_once($CFG->dirroot . '/mod/assignment/type/' . $assignment->assignmenttype . '/assignment.class.php'); call_user_func(array($class, 'backup_one_submission'), $bf, $preferences, $assignment, $ass_sub); //End submission $status =fwrite ($bf,end_tag("SUBMISSION",5,true)); } //Write end tag $status =fwrite ($bf,end_tag("SUBMISSIONS",4,true)); } return $status; } //Backup assignment files because we've selected to backup user info //and files are user info's level function backup_assignment_files($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 assignment dir if ($status) { //Only if it exists !! Thanks to Daniel Miksik. if (is_dir($CFG->dataroot."/".$preferences->backup_course."/".$CFG->moddata."/assignment")) { $status = backup_copy_file($CFG->dataroot."/".$preferences->backup_course."/".$CFG->moddata."/assignment", $CFG->dataroot."/temp/backup/".$preferences->backup_unique_code."/moddata/assignment"); } } return $status; } function backup_assignment_files_instance($bf,$preferences,$instanceid) { 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); $status = check_dir_exists($CFG->dataroot."/temp/backup/".$preferences->backup_unique_code."/moddata/assignment/",true); //Now copy the assignment dir if ($status) { //Only if it exists !! Thanks to Daniel Miksik. if (is_dir($CFG->dataroot."/".$preferences->backup_course."/".$CFG->moddata."/assignment/".$instanceid)) { $status = backup_copy_file($CFG->dataroot."/".$preferences->backup_course."/".$CFG->moddata."/assignment/".$instanceid, $CFG->dataroot."/temp/backup/".$preferences->backup_unique_code."/moddata/assignment/".$instanceid); } } return $status; } //Return an array of info (name,value) function assignment_check_backup_mods($course,$user_data=false,$backup_unique_code,$instances=null) { if (!empty($instances) && is_array($instances) && count($instances)) { $info = array(); foreach ($instances as $id => $instance) { $info += assignment_check_backup_mods_instances($instance,$backup_unique_code); } return $info; } //First the course data $info[0][0] = get_string("modulenameplural","assignment"); if ($ids = assignment_ids ($course)) { $info[0][1] = count($ids); } else { $info[0][1] = 0; } //Now, if requested, the user_data if ($user_data) { $info[1][0] = get_string("submissions","assignment"); if ($ids = assignment_submission_ids_by_course ($course)) { $info[1][1] = count($ids); } else { $info[1][1] = 0; } } return $info; } //Return an array of info (name,value) function assignment_check_backup_mods_instances($instance,$backup_unique_code) { $info[$instance->id.'0'][0] = ''.$instance->name.''; $info[$instance->id.'0'][1] = ''; if (!empty($instance->userdata)) { $info[$instance->id.'1'][0] = get_string("submissions","assignment"); if ($ids = assignment_submission_ids_by_instance ($instance->id)) { $info[$instance->id.'1'][1] = count($ids); } else { $info[$instance->id.'1'][1] = 0; } } return $info; } //Return a content encoded to support interactivities linking. Every module //should have its own. They are called automatically from the backup procedure. function assignment_encode_content_links ($content,$preferences) { global $CFG; $base = preg_quote($CFG->wwwroot,"/"); //Link to the list of assignments $buscar="/(".$base."\/mod\/assignment\/index.php\?id\=)([0-9]+)/"; $result= preg_replace($buscar,'$@ASSIGNMENTINDEX*$2@$',$content); //Link to assignment view by moduleid $buscar="/(".$base."\/mod\/assignment\/view.php\?id\=)([0-9]+)/"; $result= preg_replace($buscar,'$@ASSIGNMENTVIEWBYID*$2@$',$result); return $result; } // INTERNAL FUNCTIONS. BASED IN THE MOD STRUCTURE //Returns an array of assignments id function assignment_ids ($course) { global $CFG; return get_records_sql ("SELECT a.id, a.course FROM {$CFG->prefix}assignment a WHERE a.course = '$course'"); } //Returns an array of assignment_submissions id function assignment_submission_ids_by_course ($course) { global $CFG; return get_records_sql ("SELECT s.id , s.assignment FROM {$CFG->prefix}assignment_submissions s, {$CFG->prefix}assignment a WHERE a.course = '$course' AND s.assignment = a.id"); } //Returns an array of assignment_submissions id function assignment_submission_ids_by_instance ($instanceid) { global $CFG; return get_records_sql ("SELECT s.id , s.assignment FROM {$CFG->prefix}assignment_submissions s WHERE s.assignment = $instanceid"); } ?>