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MDL-53065 quiz redo question: avoid PHP notice in edge case

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When selecting the variant of the new question, we need to add the
new question to the usage before trying to select a variant.

Also, we need to acutally use the selected variant number!
This commit is contained in:
Tim Hunt 2016-02-10 19:22:17 +00:00
parent 9d5d9c64ff
commit 293f5d1b11
2 changed files with 16 additions and 2 deletions
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9
mod/quiz/attemptlib.php
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@ -1789,6 +1789,7 @@ class quiz_attempt {
$transaction = $DB->start_delegated_transaction();
// Choose the replacement question.
$questiondata = $DB->get_record('question',
array('id' => $this->slots[$slot]->questionid));
if ($questiondata->qtype != 'random') {
@ -1803,7 +1804,11 @@ class quiz_attempt {
}
}
// Add the question to the usage. It is important we do this before we choose a variant.
$newquestion = question_bank::load_question($newqusetionid);
$newslot = $this->quba->add_question_in_place_of_other($slot, $newquestion);
// Choose the variant.
if ($newquestion->get_num_variants() == 1) {
$variant = 1;
} else {
@ -1813,8 +1818,8 @@ class quiz_attempt {
$newquestion->get_variants_selection_seed());
}
$newslot = $this->quba->add_question_in_place_of_other($slot, $newquestion);
$this->quba->start_question($slot);
// Start the question.
$this->quba->start_question($slot, $variant);
$this->quba->set_max_mark($newslot, 0);
$this->quba->set_question_attempt_metadata($newslot, 'originalslot', $slot);
question_engine::save_questions_usage_by_activity($this->quba);