mirrored from git://git.moodle.org/moodle.git
/
restorelib.php
836 lines (737 loc) · 36.5 KB
/
restorelib.php
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<?php //$Id$
//This php script contains all the stuff to restore quiz mods
// Todo:
// whereever it says "/// We have to recode the .... field" we should put in a check
// to see if the recoding was successful and throw an appropriate error otherwise
//This is the "graphical" structure of the quiz mod:
//To see, put your terminal to 160cc
//
// quiz
// (CL,pk->id)
// |
// -------------------------------------------------------------------
// | | | |
// | quiz_grades | quiz_question_versions
// | (UL,pk->id,fk->quiz) | (CL,pk->id,fk->quiz)
// | |
// quiz_attempts quiz_question_instances
// (UL,pk->id,fk->quiz) (CL,pk->id,fk->quiz,question)
//
// Meaning: pk->primary key field of the table
// fk->foreign key to link with parent
// nt->nested field (recursive data)
// SL->site level info
// CL->course level info
// UL->user level info
// files->table may have files
//
//-----------------------------------------------------------
// When we restore a quiz we also need to restore the questions and possibly
// the data about student interaction with the questions. The functions to do
// that are included with the following library
include_once("$CFG->dirroot/question/restorelib.php");
function quiz_restore_mods($mod,$restore) {
global $CFG;
$status = true;
//Hook to call Moodle < 1.5 Quiz Restore
if ($restore->backup_version < 2005043000) {
include_once("restorelibpre15.php");
return quiz_restore_pre15_mods($mod,$restore);
}
//Get record from backup_ids
$data = backup_getid($restore->backup_unique_code,$mod->modtype,$mod->id);
if ($data) {
//Now get completed xmlized object
$info = $data->info;
//if necessary, write to restorelog and adjust date/time fields
if ($restore->course_startdateoffset) {
restore_log_date_changes('Quiz', $restore, $info['MOD']['#'], array('TIMEOPEN', 'TIMECLOSE'));
}
//traverse_xmlize($info); //Debug
//print_object ($GLOBALS['traverse_array']); //Debug
//$GLOBALS['traverse_array']=""; //Debug
//Now, build the QUIZ record structure
$quiz = new stdClass;
$quiz->course = $restore->course_id;
$quiz->name = backup_todb($info['MOD']['#']['NAME']['0']['#']);
$quiz->intro = backup_todb($info['MOD']['#']['INTRO']['0']['#']);
$quiz->timeopen = backup_todb($info['MOD']['#']['TIMEOPEN']['0']['#']);
$quiz->timeclose = backup_todb($info['MOD']['#']['TIMECLOSE']['0']['#']);
$quiz->optionflags = backup_todb($info['MOD']['#']['OPTIONFLAGS']['0']['#']);
$quiz->penaltyscheme = backup_todb($info['MOD']['#']['PENALTYSCHEME']['0']['#']);
$quiz->attempts = backup_todb($info['MOD']['#']['ATTEMPTS_NUMBER']['0']['#']);
$quiz->attemptonlast = backup_todb($info['MOD']['#']['ATTEMPTONLAST']['0']['#']);
$quiz->grademethod = backup_todb($info['MOD']['#']['GRADEMETHOD']['0']['#']);
$quiz->decimalpoints = backup_todb($info['MOD']['#']['DECIMALPOINTS']['0']['#']);
$quiz->review = backup_todb($info['MOD']['#']['REVIEW']['0']['#']);
$quiz->questionsperpage = backup_todb($info['MOD']['#']['QUESTIONSPERPAGE']['0']['#']);
$quiz->shufflequestions = backup_todb($info['MOD']['#']['SHUFFLEQUESTIONS']['0']['#']);
$quiz->shuffleanswers = backup_todb($info['MOD']['#']['SHUFFLEANSWERS']['0']['#']);
$quiz->questions = backup_todb($info['MOD']['#']['QUESTIONS']['0']['#']);
$quiz->sumgrades = backup_todb($info['MOD']['#']['SUMGRADES']['0']['#']);
$quiz->grade = backup_todb($info['MOD']['#']['GRADE']['0']['#']);
$quiz->timecreated = backup_todb($info['MOD']['#']['TIMECREATED']['0']['#']);
$quiz->timemodified = backup_todb($info['MOD']['#']['TIMEMODIFIED']['0']['#']);
$quiz->timelimit = backup_todb($info['MOD']['#']['TIMELIMIT']['0']['#']);
$quiz->password = backup_todb($info['MOD']['#']['PASSWORD']['0']['#']);
$quiz->subnet = backup_todb($info['MOD']['#']['SUBNET']['0']['#']);
$quiz->popup = backup_todb($info['MOD']['#']['POPUP']['0']['#']);
$quiz->delay1 = isset($info['MOD']['#']['DELAY1']['0']['#'])?backup_todb($info['MOD']['#']['DELAY1']['0']['#']):'';
$quiz->delay2 = isset($info['MOD']['#']['DELAY2']['0']['#'])?backup_todb($info['MOD']['#']['DELAY2']['0']['#']):'';
//We have to recode the questions field (a list of questions id and pagebreaks)
$quiz->questions = quiz_recode_layout($quiz->questions, $restore);
//The structure is equal to the db, so insert the quiz
$newid = insert_record ("quiz",$quiz);
//Do some output
if (!defined('RESTORE_SILENTLY')) {
echo "<li>".get_string("modulename","quiz")." \"".format_string(stripslashes($quiz->name),true)."\"</li>";
}
backup_flush(300);
if ($newid) {
//We have the newid, update backup_ids
backup_putid($restore->backup_unique_code,$mod->modtype,
$mod->id, $newid);
//We have to restore the question_instances now (course level table)
$status = quiz_question_instances_restore_mods($newid,$info,$restore);
//We have to restore the feedback now (course level table)
$status = quiz_feedback_restore_mods($newid, $info, $restore, $quiz);
//We have to restore the question_versions now (course level table)
$status = quiz_question_versions_restore_mods($newid,$info,$restore);
//Now check if want to restore user data and do it.
if (restore_userdata_selected($restore,'quiz',$mod->id)) {
//Restore quiz_attempts
$status = quiz_attempts_restore_mods ($newid,$info,$restore);
if ($status) {
//Restore quiz_grades
$status = quiz_grades_restore_mods ($newid,$info,$restore);
}
}
} else {
$status = false;
}
} else {
$status = false;
}
return $status;
}
//This function restores the quiz_question_instances
function quiz_question_instances_restore_mods($quiz_id,$info,$restore) {
global $CFG;
$status = true;
//Get the quiz_question_instances array
if (array_key_exists('QUESTION_INSTANCES', $info['MOD']['#'])) {
$instances = $info['MOD']['#']['QUESTION_INSTANCES']['0']['#']['QUESTION_INSTANCE'];
} else {
$instances = array();
}
//Iterate over question_instances
for($i = 0; $i < sizeof($instances); $i++) {
$gra_info = $instances[$i];
//traverse_xmlize($gra_info); //Debug
//print_object ($GLOBALS['traverse_array']); //Debug
//$GLOBALS['traverse_array']=""; //Debug
//We'll need this later!!
$oldid = backup_todb($gra_info['#']['ID']['0']['#']);
//Now, build the QUESTION_INSTANCES record structure
$instance = new stdClass;
$instance->quiz = $quiz_id;
$instance->question = backup_todb($gra_info['#']['QUESTION']['0']['#']);
$instance->grade = backup_todb($gra_info['#']['GRADE']['0']['#']);
//We have to recode the question field
$question = backup_getid($restore->backup_unique_code,"question",$instance->question);
if ($question) {
$instance->question = $question->new_id;
}
//The structure is equal to the db, so insert the quiz_question_instances
$newid = insert_record ("quiz_question_instances",$instance);
//Do some output
if (($i+1) % 10 == 0) {
if (!defined('RESTORE_SILENTLY')) {
echo ".";
if (($i+1) % 200 == 0) {
echo "<br />";
}
}
backup_flush(300);
}
if ($newid) {
//We have the newid, update backup_ids
backup_putid($restore->backup_unique_code,"quiz_question_instances",$oldid,
$newid);
} else {
$status = false;
}
}
return $status;
}
//This function restores the quiz_question_instances
function quiz_feedback_restore_mods($quiz_id, $info, $restore, $quiz) {
$status = true;
//Get the quiz_feedback array
if (array_key_exists('FEEDBACKS', $info['MOD']['#'])) {
$feedbacks = $info['MOD']['#']['FEEDBACKS']['0']['#']['FEEDBACK'];
//Iterate over the feedbacks
foreach ($feedbacks as $feedback_info) {
//traverse_xmlize($feedback_info); //Debug
//print_object ($GLOBALS['traverse_array']); //Debug
//$GLOBALS['traverse_array']=""; //Debug
//We'll need this later!!
$oldid = backup_todb($feedback_info['#']['ID']['0']['#']);
//Now, build the quiz_feedback record structure
$feedback = new stdClass();
$feedback->quizid = $quiz_id;
$feedback->feedbacktext = backup_todb($feedback_info['#']['FEEDBACKTEXT']['0']['#']);
$feedback->mingrade = backup_todb($feedback_info['#']['MINGRADE']['0']['#']);
$feedback->maxgrade = backup_todb($feedback_info['#']['MAXGRADE']['0']['#']);
//The structure is equal to the db, so insert the quiz_question_instances
$newid = insert_record('quiz_feedback', $feedback);
if ($newid) {
//We have the newid, update backup_ids
backup_putid($restore->backup_unique_code, 'quiz_feedback', $oldid, $newid);
} else {
$status = false;
}
}
} else {
$feedback = new stdClass();
$feedback->quizid = $quiz_id;
$feedback->feedbacktext = '';
$feedback->mingrade = 0;
$feedback->maxgrade = $quiz->grade + 1;
insert_record('quiz_feedback', $feedback);
}
return $status;
}
//This function restores the quiz_question_versions
function quiz_question_versions_restore_mods($quiz_id,$info,$restore) {
global $CFG, $USER;
$status = true;
//Get the quiz_question_versions array
if (!empty($info['MOD']['#']['QUESTION_VERSIONS'])) {
$versions = $info['MOD']['#']['QUESTION_VERSIONS']['0']['#']['QUESTION_VERSION'];
} else {
$versions = array();
}
//Iterate over question_versions
for($i = 0; $i < sizeof($versions); $i++) {
$ver_info = $versions[$i];
//traverse_xmlize($ver_info); //Debug
//print_object ($GLOBALS['traverse_array']); //Debug
//$GLOBALS['traverse_array']=""; //Debug
//We'll need this later!!
$oldid = backup_todb($ver_info['#']['ID']['0']['#']);
//Now, build the QUESTION_VERSIONS record structure
$version = new stdClass;
$version->quiz = $quiz_id;
$version->oldquestion = backup_todb($ver_info['#']['OLDQUESTION']['0']['#']);
$version->newquestion = backup_todb($ver_info['#']['NEWQUESTION']['0']['#']);
$version->originalquestion = backup_todb($ver_info['#']['ORIGINALQUESTION']['0']['#']);
$version->userid = backup_todb($ver_info['#']['USERID']['0']['#']);
$version->timestamp = backup_todb($ver_info['#']['TIMESTAMP']['0']['#']);
//We have to recode the oldquestion field
$question = backup_getid($restore->backup_unique_code,"question",$version->oldquestion);
if ($question) {
$version->oldquestion = $question->new_id;
}
//We have to recode the newquestion field
$question = backup_getid($restore->backup_unique_code,"question",$version->newquestion);
if ($question) {
$version->newquestion = $question->new_id;
}
//We have to recode the originalquestion field
$question = backup_getid($restore->backup_unique_code,"question",$version->originalquestion);
if ($question) {
$version->newquestion = $question->new_id;
}
//We have to recode the userid field
$user = backup_getid($restore->backup_unique_code,"user",$version->userid);
if ($user) {
$version->userid = $user->new_id;
} else { //Assign to current user
$version->userid = $USER->id;
}
//The structure is equal to the db, so insert the quiz_question_versions
$newid = insert_record ("quiz_question_versions",$version);
//Do some output
if (($i+1) % 10 == 0) {
if (!defined('RESTORE_SILENTLY')) {
echo ".";
if (($i+1) % 200 == 0) {
echo "<br />";
}
}
backup_flush(300);
}
if ($newid) {
//We have the newid, update backup_ids
backup_putid($restore->backup_unique_code,"quiz_question_versions",$oldid,
$newid);
} else {
$status = false;
}
}
return $status;
}
//This function restores the quiz_attempts
function quiz_attempts_restore_mods($quiz_id,$info,$restore) {
global $CFG;
$status = true;
//Get the quiz_attempts array
$attempts = $info['MOD']['#']['ATTEMPTS']['0']['#']['ATTEMPT'];
//Iterate over attempts
for($i = 0; $i < sizeof($attempts); $i++) {
$att_info = $attempts[$i];
//traverse_xmlize($att_info); //Debug
//print_object ($GLOBALS['traverse_array']); //Debug
//$GLOBALS['traverse_array']=""; //Debug
//We'll need this later!!
$oldid = backup_todb($att_info['#']['ID']['0']['#']);
$olduserid = backup_todb($att_info['#']['USERID']['0']['#']);
//Now, build the ATTEMPTS record structure
$attempt = new stdClass;
$attempt->quiz = $quiz_id;
$attempt->userid = backup_todb($att_info['#']['USERID']['0']['#']);
$attempt->attempt = backup_todb($att_info['#']['ATTEMPTNUM']['0']['#']);
$attempt->sumgrades = backup_todb($att_info['#']['SUMGRADES']['0']['#']);
$attempt->timestart = backup_todb($att_info['#']['TIMESTART']['0']['#']);
$attempt->timefinish = backup_todb($att_info['#']['TIMEFINISH']['0']['#']);
$attempt->timemodified = backup_todb($att_info['#']['TIMEMODIFIED']['0']['#']);
$attempt->layout = backup_todb($att_info['#']['LAYOUT']['0']['#']);
$attempt->preview = backup_todb($att_info['#']['PREVIEW']['0']['#']);
//We have to recode the userid field
$user = backup_getid($restore->backup_unique_code,"user",$attempt->userid);
if ($user) {
$attempt->userid = $user->new_id;
}
//Set the uniqueid field
$attempt->uniqueid = question_new_attempt_uniqueid();
//We have to recode the layout field (a list of questions id and pagebreaks)
$attempt->layout = quiz_recode_layout($attempt->layout, $restore);
//The structure is equal to the db, so insert the quiz_attempts
$newid = insert_record ("quiz_attempts",$attempt);
//Do some output
if (($i+1) % 10 == 0) {
if (!defined('RESTORE_SILENTLY')) {
echo ".";
if (($i+1) % 200 == 0) {
echo "<br />";
}
}
backup_flush(300);
}
if ($newid) {
//We have the newid, update backup_ids
backup_putid($restore->backup_unique_code,"quiz_attempts",$oldid,
$newid);
//Now process question_states
// This function is defined in question/restorelib.php
$status = question_states_restore_mods($attempt->uniqueid,$att_info,$restore);
} else {
$status = false;
}
}
return $status;
}
//This function restores the quiz_grades
function quiz_grades_restore_mods($quiz_id,$info,$restore) {
global $CFG;
$status = true;
//Get the quiz_grades array
$grades = $info['MOD']['#']['GRADES']['0']['#']['GRADE'];
//Iterate over grades
for($i = 0; $i < sizeof($grades); $i++) {
$gra_info = $grades[$i];
//traverse_xmlize($gra_info); //Debug
//print_object ($GLOBALS['traverse_array']); //Debug
//$GLOBALS['traverse_array']=""; //Debug
//We'll need this later!!
$oldid = backup_todb($gra_info['#']['ID']['0']['#']);
$olduserid = backup_todb($gra_info['#']['USERID']['0']['#']);
//Now, build the GRADES record structure
$grade = new stdClass;
$grade->quiz = $quiz_id;
$grade->userid = backup_todb($gra_info['#']['USERID']['0']['#']);
$grade->grade = backup_todb($gra_info['#']['GRADEVAL']['0']['#']);
$grade->timemodified = backup_todb($gra_info['#']['TIMEMODIFIED']['0']['#']);
//We have to recode the userid field
$user = backup_getid($restore->backup_unique_code,"user",$grade->userid);
if ($user) {
$grade->userid = $user->new_id;
}
//The structure is equal to the db, so insert the quiz_grades
$newid = insert_record ("quiz_grades",$grade);
//Do some output
if (($i+1) % 10 == 0) {
if (!defined('RESTORE_SILENTLY')) {
echo ".";
if (($i+1) % 200 == 0) {
echo "<br />";
}
}
backup_flush(300);
}
if ($newid) {
//We have the newid, update backup_ids
backup_putid($restore->backup_unique_code,"quiz_grades",$oldid,
$newid);
} else {
$status = false;
}
}
return $status;
}
//Return a content decoded to support interactivities linking. Every module
//should have its own. They are called automatically from
//quiz_decode_content_links_caller() function in each module
//in the restore process
function quiz_decode_content_links ($content,$restore) {
global $CFG;
$result = $content;
//Link to the list of quizs
$searchstring='/\$@(QUIZINDEX)\*([0-9]+)@\$/';
//We look for it
preg_match_all($searchstring,$content,$foundset);
//If found, then we are going to look for its new id (in backup tables)
if ($foundset[0]) {
//print_object($foundset); //Debug
//Iterate over foundset[2]. They are the old_ids
foreach($foundset[2] as $old_id) {
//We get the needed variables here (course id)
$rec = backup_getid($restore->backup_unique_code,"course",$old_id);
//Personalize the searchstring
$searchstring='/\$@(QUIZINDEX)\*('.$old_id.')@\$/';
//If it is a link to this course, update the link to its new location
if($rec->new_id) {
//Now replace it
$result= preg_replace($searchstring,$CFG->wwwroot.'/mod/quiz/index.php?id='.$rec->new_id,$result);
} else {
//It's a foreign link so leave it as original
$result= preg_replace($searchstring,$restore->original_wwwroot.'/mod/quiz/index.php?id='.$old_id,$result);
}
}
}
//Link to quiz view by moduleid
$searchstring='/\$@(QUIZVIEWBYID)\*([0-9]+)@\$/';
//We look for it
preg_match_all($searchstring,$result,$foundset);
//If found, then we are going to look for its new id (in backup tables)
if ($foundset[0]) {
//print_object($foundset); //Debug
//Iterate over foundset[2]. They are the old_ids
foreach($foundset[2] as $old_id) {
//We get the needed variables here (course_modules id)
$rec = backup_getid($restore->backup_unique_code,"course_modules",$old_id);
//Personalize the searchstring
$searchstring='/\$@(QUIZVIEWBYID)\*('.$old_id.')@\$/';
//If it is a link to this course, update the link to its new location
if($rec->new_id) {
//Now replace it
$result= preg_replace($searchstring,$CFG->wwwroot.'/mod/quiz/view.php?id='.$rec->new_id,$result);
} else {
//It's a foreign link so leave it as original
$result= preg_replace($searchstring,$restore->original_wwwroot.'/mod/quiz/view.php?id='.$old_id,$result);
}
}
}
return $result;
}
//This function makes all the necessary calls to xxxx_decode_content_links()
//function in each module, passing them the desired contents to be decoded
//from backup format to destination site/course in order to mantain inter-activities
//working in the backup/restore process. It's called from restore_decode_content_links()
//function in restore process
function quiz_decode_content_links_caller($restore) {
global $CFG;
$status = true;
if ($quizs = get_records_sql ("SELECT q.id, q.intro
FROM {$CFG->prefix}quiz q
WHERE q.course = $restore->course_id")) {
//Iterate over each quiz->intro
$i = 0; //Counter to send some output to the browser to avoid timeouts
foreach ($quizs as $quiz) {
//Increment counter
$i++;
$content = $quiz->intro;
$result = restore_decode_content_links_worker($content,$restore);
if ($result != $content) {
//Update record
$quiz->intro = addslashes($result);
$status = update_record("quiz",$quiz);
if (debugging()) {
if (!defined('RESTORE_SILENTLY')) {
echo '<br /><hr />'.s($content).'<br />changed to<br />'.s($result).'<hr /><br />';
}
}
}
//Do some output
if (($i+1) % 5 == 0) {
if (!defined('RESTORE_SILENTLY')) {
echo ".";
if (($i+1) % 100 == 0) {
echo "<br />";
}
}
backup_flush(300);
}
}
}
return $status;
}
//This function converts texts in FORMAT_WIKI to FORMAT_MARKDOWN for
//some texts in the module
function quiz_restore_wiki2markdown ($restore) {
global $CFG;
$status = true;
//Convert question->questiontext
if ($records = get_records_sql ("SELECT q.id, q.questiontext, q.questiontextformat
FROM {$CFG->prefix}question q,
{$CFG->prefix}backup_ids b
WHERE b.backup_code = $restore->backup_unique_code AND
b.table_name = 'question' AND
q.id = b.new_id AND
q.questiontextformat = ".FORMAT_WIKI)) {
$i = 0;
foreach ($records as $record) {
//Rebuild wiki links
$record->questiontext = restore_decode_wiki_content($record->questiontext, $restore);
//Convert to Markdown
$wtm = new WikiToMarkdown();
$record->questiontext = $wtm->convert($record->questiontext, $restore->course_id);
$record->questiontextformat = FORMAT_MARKDOWN;
$status = update_record('question', addslashes_object($record));
//Do some output
$i++;
if (($i+1) % 1 == 0) {
if (!defined('RESTORE_SILENTLY')) {
echo ".";
if (($i+1) % 20 == 0) {
echo "<br />";
}
}
backup_flush(300);
}
}
}
return $status;
}
//This function returns a log record with all the necessay transformations
//done. It's used by restore_log_module() to restore modules log.
function quiz_restore_logs($restore,$log) {
$status = false;
//Depending of the action, we recode different things
switch ($log->action) {
case "add":
if ($log->cmid) {
//Get the new_id of the module (to recode the info field)
$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
if ($mod) {
$log->url = "view.php?id=".$log->cmid;
$log->info = $mod->new_id;
$status = true;
}
}
break;
case "update":
if ($log->cmid) {
//Get the new_id of the module (to recode the info field)
$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
if ($mod) {
$log->url = "view.php?id=".$log->cmid;
$log->info = $mod->new_id;
$status = true;
}
}
break;
case "view":
if ($log->cmid) {
//Get the new_id of the module (to recode the info field)
$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
if ($mod) {
$log->url = "view.php?id=".$log->cmid;
$log->info = $mod->new_id;
$status = true;
}
}
break;
case "view all":
$log->url = "index.php?id=".$log->course;
$status = true;
break;
case "report":
if ($log->cmid) {
//Get the new_id of the module (to recode the info field)
$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
if ($mod) {
$log->url = "report.php?id=".$log->cmid;
$log->info = $mod->new_id;
$status = true;
}
}
break;
case "attempt":
if ($log->cmid) {
//Get the new_id of the module (to recode the info field)
$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
if ($mod) {
//Extract the attempt id from the url field
$attid = substr(strrchr($log->url,"="),1);
//Get the new_id of the attempt (to recode the url field)
$att = backup_getid($restore->backup_unique_code,"quiz_attempts",$attid);
if ($att) {
$log->url = "review.php?id=".$log->cmid."&attempt=".$att->new_id;
$log->info = $mod->new_id;
$status = true;
}
}
}
break;
case "submit":
if ($log->cmid) {
//Get the new_id of the module (to recode the info field)
$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
if ($mod) {
//Extract the attempt id from the url field
$attid = substr(strrchr($log->url,"="),1);
//Get the new_id of the attempt (to recode the url field)
$att = backup_getid($restore->backup_unique_code,"quiz_attempts",$attid);
if ($att) {
$log->url = "review.php?id=".$log->cmid."&attempt=".$att->new_id;
$log->info = $mod->new_id;
$status = true;
}
}
}
break;
case "review":
if ($log->cmid) {
//Get the new_id of the module (to recode the info field)
$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
if ($mod) {
//Extract the attempt id from the url field
$attid = substr(strrchr($log->url,"="),1);
//Get the new_id of the attempt (to recode the url field)
$att = backup_getid($restore->backup_unique_code,"quiz_attempts",$attid);
if ($att) {
$log->url = "review.php?id=".$log->cmid."&attempt=".$att->new_id;
$log->info = $mod->new_id;
$status = true;
}
}
}
break;
case "editquestions":
if ($log->cmid) {
//Get the new_id of the module (to recode the url field)
$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
if ($mod) {
$log->url = "view.php?id=".$log->cmid;
$log->info = $mod->new_id;
$status = true;
}
}
break;
case "preview":
if ($log->cmid) {
//Get the new_id of the module (to recode the url field)
$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
if ($mod) {
$log->url = "attempt.php?id=".$log->cmid;
$log->info = $mod->new_id;
$status = true;
}
}
break;
case "start attempt":
if ($log->cmid) {
//Get the new_id of the module (to recode the info field)
$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
if ($mod) {
//Extract the attempt id from the url field
$attid = substr(strrchr($log->url,"="),1);
//Get the new_id of the attempt (to recode the url field)
$att = backup_getid($restore->backup_unique_code,"quiz_attempts",$attid);
if ($att) {
$log->url = "review.php?id=".$log->cmid."&attempt=".$att->new_id;
$log->info = $mod->new_id;
$status = true;
}
}
}
break;
case "close attempt":
if ($log->cmid) {
//Get the new_id of the module (to recode the info field)
$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
if ($mod) {
//Extract the attempt id from the url field
$attid = substr(strrchr($log->url,"="),1);
//Get the new_id of the attempt (to recode the url field)
$att = backup_getid($restore->backup_unique_code,"quiz_attempts",$attid);
if ($att) {
$log->url = "review.php?id=".$log->cmid."&attempt=".$att->new_id;
$log->info = $mod->new_id;
$status = true;
}
}
}
break;
case "continue attempt":
if ($log->cmid) {
//Get the new_id of the module (to recode the info field)
$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
if ($mod) {
//Extract the attempt id from the url field
$attid = substr(strrchr($log->url,"="),1);
//Get the new_id of the attempt (to recode the url field)
$att = backup_getid($restore->backup_unique_code,"quiz_attempts",$attid);
if ($att) {
$log->url = "review.php?id=".$log->cmid."&attempt=".$att->new_id;
$log->info = $mod->new_id;
$status = true;
}
}
}
break;
case "continue attemp":
if ($log->cmid) {
//Get the new_id of the module (to recode the info field)
$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
if ($mod) {
//Extract the attempt id from the url field
$attid = substr(strrchr($log->url,"="),1);
//Get the new_id of the attempt (to recode the url field)
$att = backup_getid($restore->backup_unique_code,"quiz_attempts",$attid);
if ($att) {
$log->url = "review.php?id=".$log->cmid."&attempt=".$att->new_id;
$log->info = $mod->new_id;
$log->action = "continue attempt"; //To recover some bad actions
$status = true;
}
}
}
break;
default:
if (!defined('RESTORE_SILENTLY')) {
echo "action (".$log->module."-".$log->action.") unknown. Not restored<br />"; //Debug
}
break;
}
if ($status) {
$status = $log;
}
return $status;
}
function quiz_recode_layout($layout, $restore) {
//Recodes the quiz layout (a list of questions id and pagebreaks)
//Extracts question id from sequence
if ($questionids = explode(',', $layout)) {
foreach ($questionids as $id => $questionid) {
if ($questionid) { // If it is zero then this is a pagebreak, don't translate
$newq = backup_getid($restore->backup_unique_code,"question",$questionid);
$questionids[$id] = $newq->new_id;
}
}
}
return implode(',', $questionids);
}
?>