public function test_match_grade_options()
{
$gradeoptions = question_bank::fraction_options_full();
$this->assertEquals(0.3333333, match_grade_options($gradeoptions, 0.3333333, 'error'));
$this->assertEquals(0.3333333, match_grade_options($gradeoptions, 0.333333, 'error'));
$this->assertEquals(0.3333333, match_grade_options($gradeoptions, 0.33333, 'error'));
$this->assertFalse(match_grade_options($gradeoptions, 0.3333, 'error'));
$this->assertEquals(0.3333333, match_grade_options($gradeoptions, 0.3333333, 'nearest'));
$this->assertEquals(0.3333333, match_grade_options($gradeoptions, 0.333333, 'nearest'));
$this->assertEquals(0.3333333, match_grade_options($gradeoptions, 0.33333, 'nearest'));
$this->assertEquals(0.3333333, match_grade_options($gradeoptions, 0.33, 'nearest'));
$this->assertEquals(-0.1428571, match_grade_options($gradeoptions, -0.15, 'nearest'));
}
/**
* Process the file
* This method should not normally be overidden
* @param object $category
* @return bool success
*/
public function importprocess($category) {
global $USER, $CFG, $DB, $OUTPUT;
$context = $category->context;
$this->importcontext = $context;
// reset the timer in case file upload was slow
set_time_limit(0);
// STAGE 1: Parse the file
echo $OUTPUT->notification(get_string('parsingquestions', 'question'), 'notifysuccess');
if (! $lines = $this->readdata($this->filename)) {
echo $OUTPUT->notification(get_string('cannotread', 'question'));
return false;
}
if (!$questions = $this->readquestions($lines, $context)) { // Extract all the questions
echo $OUTPUT->notification(get_string('noquestionsinfile', 'question'));
return false;
}
// STAGE 2: Write data to database
echo $OUTPUT->notification(get_string('importingquestions', 'question',
$this->count_questions($questions)), 'notifysuccess');
// check for errors before we continue
if ($this->stoponerror and ($this->importerrors>0)) {
echo $OUTPUT->notification(get_string('importparseerror', 'question'));
return true;
}
// get list of valid answer grades
$gradeoptionsfull = question_bank::fraction_options_full();
// check answer grades are valid
// (now need to do this here because of 'stop on error': MDL-10689)
$gradeerrors = 0;
$goodquestions = array();
foreach ($questions as $question) {
if (!empty($question->fraction) and (is_array($question->fraction))) {
$fractions = $question->fraction;
$answersvalid = true; // in case they are!
foreach ($fractions as $key => $fraction) {
$newfraction = match_grade_options($gradeoptionsfull, $fraction,
$this->matchgrades);
if ($newfraction === false) {
$answersvalid = false;
} else {
$fractions[$key] = $newfraction;
}
}
if (!$answersvalid) {
echo $OUTPUT->notification(get_string('invalidgrade', 'question'));
++$gradeerrors;
continue;
} else {
$question->fraction = $fractions;
}
}
$goodquestions[] = $question;
}
$questions = $goodquestions;
// check for errors before we continue
if ($this->stoponerror && $gradeerrors > 0) {
return false;
}
// count number of questions processed
$count = 0;
foreach ($questions as $question) { // Process and store each question
// reset the php timeout
set_time_limit(0);
// check for category modifiers
if ($question->qtype == 'category') {
if ($this->catfromfile) {
// find/create category object
$catpath = $question->category;
$newcategory = $this->create_category_path($catpath);
if (!empty($newcategory)) {
$this->category = $newcategory;
}
}
continue;
}
$question->context = $context;
$count++;
echo "<hr /><p><b>$count</b>. ".$this->format_question_text($question)."</p>";
$question->category = $this->category->id;
$question->stamp = make_unique_id_code(); // Set the unique code (not to be changed)
$question->createdby = $USER->id;
$question->timecreated = time();
$question->modifiedby = $USER->id;
$question->timemodified = time();
$question->id = $DB->insert_record('question', $question);
if (isset($question->questiontextfiles)) {
foreach ($question->questiontextfiles as $file) {
question_bank::get_qtype($question->qtype)->import_file(
$context, 'question', 'questiontext', $question->id, $file);
}
}
if (isset($question->generalfeedbackfiles)) {
foreach ($question->generalfeedbackfiles as $file) {
question_bank::get_qtype($question->qtype)->import_file(
$context, 'question', 'generalfeedback', $question->id, $file);
}
}
$this->questionids[] = $question->id;
// Now to save all the answers and type-specific options
$result = question_bank::get_qtype($question->qtype)->save_question_options($question);
if (!empty($CFG->usetags) && isset($question->tags)) {
require_once($CFG->dirroot . '/tag/lib.php');
tag_set('question', $question->id, $question->tags);
}
if (!empty($result->error)) {
echo $OUTPUT->notification($result->error);
return false;
}
if (!empty($result->notice)) {
echo $OUTPUT->notification($result->notice);
return true;
}
// Give the question a unique version stamp determined by question_hash()
$DB->set_field('question', 'version', question_hash($question),
array('id' => $question->id));
}
return true;
}
/**
* Process the file
* This method should not normally be overidden
* @return boolean success
*/
function importprocess()
{
global $USER;
// reset the timer in case file upload was slow
@set_time_limit();
// STAGE 1: Parse the file
notify(get_string('parsingquestions', 'quiz'));
if (!($lines = $this->readdata($this->filename))) {
notify(get_string('cannotread', 'quiz'));
return false;
}
if (!($questions = $this->readquestions($lines))) {
// Extract all the questions
notify(get_string('noquestionsinfile', 'quiz'));
return false;
}
// STAGE 2: Write data to database
notify(get_string('importingquestions', 'quiz', $this->count_questions($questions)));
// check for errors before we continue
if ($this->stoponerror and $this->importerrors > 0) {
notify(get_string('importparseerror', 'quiz'));
return true;
}
// get list of valid answer grades
$grades = get_grade_options();
$gradeoptionsfull = $grades->gradeoptionsfull;
// check answer grades are valid
// (now need to do this here because of 'stop on error': MDL-10689)
$gradeerrors = 0;
$goodquestions = array();
foreach ($questions as $question) {
if (!empty($question->fraction) and is_array($question->fraction)) {
$fractions = $question->fraction;
$answersvalid = true;
// in case they are!
foreach ($fractions as $key => $fraction) {
$newfraction = match_grade_options($gradeoptionsfull, $fraction, $this->matchgrades);
if ($newfraction === false) {
$answersvalid = false;
} else {
$fractions[$key] = $newfraction;
}
}
if (!$answersvalid) {
notify(get_string('matcherror', 'quiz'));
++$gradeerrors;
continue;
} else {
$question->fraction = $fractions;
}
}
$goodquestions[] = $question;
}
$questions = $goodquestions;
// check for errors before we continue
if ($this->stoponerror and $gradeerrors > 0) {
return false;
}
// count number of questions processed
$count = 0;
foreach ($questions as $question) {
// Process and store each question
// reset the php timeout
@set_time_limit();
// check for category modifiers
if ($question->qtype == 'category') {
if ($this->catfromfile) {
// find/create category object
$catpath = $question->category;
$newcategory = $this->create_category_path($catpath, '/');
if (!empty($newcategory)) {
$this->category = $newcategory;
}
}
continue;
}
$count++;
echo "<hr /><p><b>{$count}</b>. " . $this->format_question_text($question) . "</p>";
$question->category = $this->category->id;
$question->stamp = make_unique_id_code();
// Set the unique code (not to be changed)
$question->createdby = $USER->id;
$question->timecreated = time();
if (!($question->id = insert_record("question", $question))) {
error(get_string('cannotinsert', 'quiz'));
}
$this->questionids[] = $question->id;
// Now to save all the answers and type-specific options
global $QTYPES;
$result = $QTYPES[$question->qtype]->save_question_options($question);
if (!empty($result->error)) {
notify($result->error);
return false;
}
if (!empty($result->notice)) {
notify($result->notice);
return true;
}
// Give the question a unique version stamp determined by question_hash()
set_field('question', 'version', question_hash($question), 'id', $question->id);
}
return true;
}
/**
* Process the file
* This method should not normally be overidden
* @param object $category
* @return bool success
*/
public function importprocess($category)
{
global $USER, $CFG, $DB, $OUTPUT;
// Raise time and memory, as importing can be quite intensive.
core_php_time_limit::raise();
raise_memory_limit(MEMORY_EXTRA);
// STAGE 1: Parse the file
echo $OUTPUT->notification(get_string('parsingquestions', 'question'), 'notifysuccess');
if (!($lines = $this->readdata($this->filename))) {
echo $OUTPUT->notification(get_string('cannotread', 'question'));
return false;
}
if (!($questions = $this->readquestions($lines))) {
// Extract all the questions
echo $OUTPUT->notification(get_string('noquestionsinfile', 'question'));
return false;
}
// STAGE 2: Write data to database
echo $OUTPUT->notification(get_string('importingquestions', 'question', $this->count_questions($questions)), 'notifysuccess');
// check for errors before we continue
if ($this->stoponerror and $this->importerrors > 0) {
echo $OUTPUT->notification(get_string('importparseerror', 'question'));
return true;
}
// get list of valid answer grades
$gradeoptionsfull = question_bank::fraction_options_full();
// check answer grades are valid
// (now need to do this here because of 'stop on error': MDL-10689)
$gradeerrors = 0;
$goodquestions = array();
foreach ($questions as $question) {
if (!empty($question->fraction) and is_array($question->fraction)) {
$fractions = $question->fraction;
$invalidfractions = array();
foreach ($fractions as $key => $fraction) {
$newfraction = match_grade_options($gradeoptionsfull, $fraction, $this->matchgrades);
if ($newfraction === false) {
$invalidfractions[] = $fraction;
} else {
$fractions[$key] = $newfraction;
}
}
if ($invalidfractions) {
echo $OUTPUT->notification(get_string('invalidgrade', 'question', implode(', ', $invalidfractions)));
++$gradeerrors;
continue;
} else {
$question->fraction = $fractions;
}
}
$goodquestions[] = $question;
}
$questions = $goodquestions;
// check for errors before we continue
if ($this->stoponerror && $gradeerrors > 0) {
return false;
}
// count number of questions processed
$count = 0;
foreach ($questions as $question) {
// Process and store each question
$transaction = $DB->start_delegated_transaction();
// reset the php timeout
core_php_time_limit::raise();
// check for category modifiers
if ($question->qtype == 'category') {
if ($this->catfromfile) {
// find/create category object
$catpath = $question->category;
$newcategory = $this->create_category_path($catpath);
if (!empty($newcategory)) {
$this->category = $newcategory;
}
}
$transaction->allow_commit();
continue;
}
$question->context = $this->importcontext;
$count++;
echo "<hr /><p><b>{$count}</b>. " . $this->format_question_text($question) . "</p>";
$question->category = $this->category->id;
$question->stamp = make_unique_id_code();
// Set the unique code (not to be changed)
$question->createdby = $USER->id;
$question->timecreated = time();
$question->modifiedby = $USER->id;
$question->timemodified = time();
$fileoptions = array('subdirs' => true, 'maxfiles' => -1, 'maxbytes' => 0);
$question->id = $DB->insert_record('question', $question);
if (isset($question->questiontextitemid)) {
$question->questiontext = file_save_draft_area_files($question->questiontextitemid, $this->importcontext->id, 'question', 'questiontext', $question->id, $fileoptions, $question->questiontext);
} else {
if (isset($question->questiontextfiles)) {
foreach ($question->questiontextfiles as $file) {
question_bank::get_qtype($question->qtype)->import_file($this->importcontext, 'question', 'questiontext', $question->id, $file);
}
}
}
if (isset($question->generalfeedbackitemid)) {
$question->generalfeedback = file_save_draft_area_files($question->generalfeedbackitemid, $this->importcontext->id, 'question', 'generalfeedback', $question->id, $fileoptions, $question->generalfeedback);
} else {
if (isset($question->generalfeedbackfiles)) {
foreach ($question->generalfeedbackfiles as $file) {
question_bank::get_qtype($question->qtype)->import_file($this->importcontext, 'question', 'generalfeedback', $question->id, $file);
}
}
}
$DB->update_record('question', $question);
$this->questionids[] = $question->id;
// Now to save all the answers and type-specific options
$result = question_bank::get_qtype($question->qtype)->save_question_options($question);
if (!empty($CFG->usetags) && isset($question->tags)) {
require_once $CFG->dirroot . '/tag/lib.php';
tag_set('question', $question->id, $question->tags, 'core_question', $question->context->id);
}
if (!empty($result->error)) {
echo $OUTPUT->notification($result->error);
// Can't use $transaction->rollback(); since it requires an exception,
// and I don't want to rewrite this code to change the error handling now.
$DB->force_transaction_rollback();
return false;
}
$transaction->allow_commit();
if (!empty($result->notice)) {
echo $OUTPUT->notification($result->notice);
return true;
}
// Give the question a unique version stamp determined by question_hash()
$DB->set_field('question', 'version', question_hash($question), array('id' => $question->id));
}
return true;
}
