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MDL-68806 quiz: Retain backwards compatibility in external functions
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To ensure backwards compatibility, particularly with the mobile app, the
mod_quiz_get_user_attempts and mod_quiz_get_attempt_review functions
will continue to return only the existing 'inprogress', 'overdue',
'finished' and 'abandoned' states for quiz attempts.

'submitted' attempts will be reported as 'finished', while 'notstarted'
attempts will be reported as 'inprogress'.

These functions are now deprecated. The new functions
mod_quiz_get_user_quiz_attempts and mod_quiz_get_quiz_attempt_review
will replace them. They have exactly the same code as the original
functions had before these changes, so will return all attempts in their
true states.
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@marxjohnson
marxjohnson committed May 8, 2024
1 parent 0ee290d commit 5c4a2a6
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Showing 4 changed files with 863 additions and 10 deletions.
310 changes: 305 additions & 5 deletions mod/quiz/classes/external.php
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Original file line number Diff line number Diff line change
Expand Up @@ -362,6 +362,8 @@ public static function view_quiz_returns() {
*
* @return external_function_parameters
* @since Moodle 3.1
* @deprecated Since Moodle 4.4 in favour of {@see get_user_quiz_attempts_parameters}
* @todo Final deprecation in Moodle 4.8 (MDL-80956)
*/
public static function get_user_attempts_parameters() {
return new external_function_parameters (
Expand All @@ -378,15 +380,25 @@ public static function get_user_attempts_parameters() {
/**
* Return a list of attempts for the given quiz and user.
*
* For backwards compatibility, SUBMITTED attempts will be treated as FINISHED with marks hidden, and NOT_STARTED will be
* treated as IN_PROGRESS. To return all real states, call get_user_quiz_attempts instead.
*
* @param int $quizid quiz instance id
* @param int $userid user id
* @param string $status quiz status: all, finished or unfinished
* @param bool $includepreviews whether to include previews or not
* @return array of warnings and the list of attempts
* @since Moodle 3.1
* @deprecated Since Moodle 4.4 in favour of {@see get_user_quiz_attempts}
* @todo Final deprecation in Moodle 4.8 (MDL-80956)
*/
public static function get_user_attempts($quizid, $userid = 0, $status = 'finished', $includepreviews = false) {
global $USER;
debugging(
"get_user_attempts does not return the true state for 'notstarted' and 'submitted' attempts, and is deprecated. " .
"Code should be updated to support 'notstarted' and 'submitted' states, and call get_user_quiz_attempts instead.",
DEBUG_DEVELOPER
);

$warnings = [];

Expand Down Expand Up @@ -426,8 +438,16 @@ public static function get_user_attempts($quizid, $userid = 0, $status = 'finish
$attemptresponse = [];
foreach ($attempts as $attempt) {
$reviewoptions = quiz_get_review_options($quiz, $attempt, $context);
if (!has_capability('mod/quiz:viewreports', $context) &&
($reviewoptions->marks < question_display_options::MARK_AND_MAX || $attempt->state != quiz_attempt::FINISHED)) {
if (
$attempt->state == quiz_attempt::SUBMITTED ||
(
!has_capability('mod/quiz:viewreports', $context) &&
(
$reviewoptions->marks < question_display_options::MARK_AND_MAX ||
$attempt->state != quiz_attempt::FINISHED
)
)
) {
// Blank the mark if the teacher does not allow it.
$attempt->sumgrades = null;
} else if (isset($gradeitemmarks[$attempt->uniqueid])) {
Expand All @@ -440,6 +460,12 @@ public static function get_user_attempts($quizid, $userid = 0, $status = 'finish
];
}
}
if ($attempt->state == quiz_attempt::SUBMITTED) {
$attempt->state = quiz_attempt::FINISHED; // For backwards-compatibility.
}
if ($attempt->state == quiz_attempt::NOT_STARTED) {
$attempt->state = quiz_attempt::IN_PROGRESS; // For backwards-compatibility.
}
$attemptresponse[] = $attempt;
}
$result = [];
Expand Down Expand Up @@ -497,16 +523,141 @@ private static function attempt_structure() {
*
* @return external_single_structure
* @since Moodle 3.1
* @deprecated Since Moodle 4.4 in favour of {@see get_user_quiz_attempts_returns}
* @todo Final deprecation in Moodle 4.8 (MDL-80956)
*/
public static function get_user_attempts_returns() {
$attemptstructure = self::attempt_structure();
$attemptstructure->keys['state']->desc .= " For backwards compatibility, attempts in 'submitted' state will return 'finished' " .
"and attempts in 'notstarted' state will return 'inprogress'. To get attempts with all real states, call " .
"get_user_quiz_attempts() instead.";
return new external_single_structure(
[
'attempts' => new external_multiple_structure(self::attempt_structure()),
'attempts' => new external_multiple_structure($attemptstructure),
'warnings' => new external_warnings(),
]
);
}

/**
* Mark get_user_attempts as deprecated.
*
* @return bool
*/
public static function get_user_attempts_is_deprecated(): bool {
return true;
}

/**
* Describes the parameters for get_user_quiz_attempts.
*
* @return external_function_parameters
* @since Moodle 4.4
*/
public static function get_user_quiz_attempts_parameters(): external_function_parameters {
return new external_function_parameters (
[
'quizid' => new external_value(PARAM_INT, 'quiz instance id'),
'userid' => new external_value(PARAM_INT, 'user id, empty for current user', VALUE_DEFAULT, 0),
'status' => new external_value(PARAM_ALPHA, 'quiz status: all, finished or unfinished', VALUE_DEFAULT, 'finished'),
'includepreviews' => new external_value(PARAM_BOOL, 'whether to include previews or not', VALUE_DEFAULT, false),
],
);
}

/**
* Return a list of attempts for the given quiz and user.
*
* @param int $quizid quiz instance id
* @param int $userid user id
* @param string $status quiz status: all, finished or unfinished
* @param bool $includepreviews whether to include previews or not
* @return array of warnings and the list of attempts
* @since Moodle 4.4
*/
public static function get_user_quiz_attempts(
int $quizid,
int $userid = 0,
string $status = 'finished',
bool $includepreviews = false
): array {
global $USER;

$warnings = [];

$params = [
'quizid' => $quizid,
'userid' => $userid,
'status' => $status,
'includepreviews' => $includepreviews,
];
$params = self::validate_parameters(self::get_user_attempts_parameters(), $params);

[$quiz, $course, $cm, $context] = self::validate_quiz($params['quizid']);

if (!in_array($params['status'], ['all', 'finished', 'unfinished'])) {
throw new invalid_parameter_exception('Invalid status value');
}

// Default value for userid.
if (empty($params['userid'])) {
$params['userid'] = $USER->id;
}

$user = core_user::get_user($params['userid'], '*', MUST_EXIST);
core_user::require_active_user($user);

// Extra checks so only users with permissions can view other users attempts.
if ($USER->id != $user->id) {
require_capability('mod/quiz:viewreports', $context);
}

// Update quiz with override information.
$quiz = quiz_update_effective_access($quiz, $params['userid']);
$attempts = quiz_get_user_attempts($quiz->id, $user->id, $params['status'], $params['includepreviews']);
$quizobj = new quiz_settings($quiz, $cm, $course);
$gradeitemmarks = $quizobj->get_grade_calculator()->compute_grade_item_totals_for_attempts(
array_column($attempts, 'uniqueid'));
$attemptresponse = [];
foreach ($attempts as $attempt) {
$reviewoptions = quiz_get_review_options($quiz, $attempt, $context);
if (!has_capability('mod/quiz:viewreports', $context) &&
($reviewoptions->marks < question_display_options::MARK_AND_MAX || $attempt->state != quiz_attempt::FINISHED)) {
// Blank the mark if the teacher does not allow it.
$attempt->sumgrades = null;
} else if (isset($gradeitemmarks[$attempt->uniqueid])) {
$attempt->gradeitemmarks = [];
foreach ($gradeitemmarks[$attempt->uniqueid] as $gradeitem) {
$attempt->gradeitemmarks[] = [
'name' => \core_external\util::format_string($gradeitem->name, $context),
'grade' => $gradeitem->grade,
'maxgrade' => $gradeitem->maxgrade,
];
}
}
$attemptresponse[] = $attempt;
}
$result = [];
$result['attempts'] = $attemptresponse;
$result['warnings'] = $warnings;
return $result;
}

/**
* Describes the get_user_attempts return value.
*
* @return external_single_structure
* @since Moodle 3.1
*/
public static function get_user_quiz_attempts_returns(): external_single_structure {
return new external_single_structure(
[
'attempts' => new external_multiple_structure(self::attempt_structure()),
'warnings' => new external_warnings(),
],
);
}

/**
* Describes the parameters for get_user_best_grade.
*
Expand Down Expand Up @@ -1462,6 +1613,8 @@ protected static function validate_attempt_review($params) {
*
* @return external_function_parameters
* @since Moodle 3.1
* @deprecated Since Moodle 4.4 in favour of {@see get_quiz_attempt_review_parameters}
* @todo Final deprecation in Moodle 4.8 (MDL-80956)
*/
public static function get_attempt_review_parameters() {
return new external_function_parameters (
Expand All @@ -1476,12 +1629,19 @@ public static function get_attempt_review_parameters() {
/**
* Returns review information for the given finished attempt, can be used by users or teachers.
*
* For backwards compatibility, SUBMITTED attempts will be treated as FINISHED, with no grades.
*
* @param int $attemptid attempt id
* @param int $page page number, empty for all the questions in all the pages
* @return array of warnings and the attempt data, feedback and questions
* @since Moodle 3.1
* @deprecated Since Moodle 4.4 in favour of {@see get_quiz_attempt_review}
* @todo Final deprecation in Moodle 4.8 (MDL-80956)
*/
public static function get_attempt_review($attemptid, $page = -1) {
global $PAGE;
debugging("get_attempt_review does not return the true state for 'submitted' attempts, and is deprecated. Code should " .
"be updated to support 'submitted' states, and call get_quiz_attempt_review instead.", DEBUG_DEVELOPER);

$warnings = [];

Expand All @@ -1503,6 +1663,146 @@ public static function get_attempt_review($attemptid, $page = -1) {
// trigger a debugging message.
$attemptobj->preload_all_attempt_step_users();

// Prepare the output.
$result = [];
$result['attempt'] = $attemptobj->get_attempt();
if ($result['attempt']->state == quiz_attempt::SUBMITTED) {
$result['attempt']->state = quiz_attempt::FINISHED; // For backwards compatibility.
}
$result['questions'] = self::get_attempt_questions_data($attemptobj, true, $page, true);

$result['additionaldata'] = [];
// Summary data (from behaviours).
$summarydata = $attemptobj->get_additional_summary_data($displayoptions);
foreach ($summarydata as $key => $data) {
// This text does not need formatting (no need for external_format_[string|text]).
$result['additionaldata'][] = [
'id' => $key,
'title' => $data['title'], $attemptobj->get_quizobj()->get_context()->id,
'content' => $data['content'],
];
}

// Feedback if there is any, and the user is allowed to see it now.
$grade = quiz_rescale_grade($attemptobj->get_attempt()->sumgrades, $attemptobj->get_quiz(), false);

$feedback = $attemptobj->get_overall_feedback($grade);
if ($displayoptions->overallfeedback && $feedback) {
$result['additionaldata'][] = [
'id' => 'feedback',
'title' => get_string('feedback', 'quiz'),
'content' => $feedback,
];
}

if (!has_capability('mod/quiz:viewreports', $attemptobj->get_context()) &&
($displayoptions->marks < question_display_options::MARK_AND_MAX ||
$attemptobj->get_attempt()->state != quiz_attempt::FINISHED)) {
// Blank the mark if the teacher does not allow it.
$result['attempt']->sumgrades = null;
} else {
$result['attempt']->gradeitemmarks = [];
foreach ($attemptobj->get_grade_item_totals() as $gradeitem) {
$result['attempt']->gradeitemmarks[] = [
'name' => \core_external\util::format_string($gradeitem->name, $attemptobj->get_context()),
'grade' => $gradeitem->grade,
'maxgrade' => $gradeitem->maxgrade,
];
}
}

$result['grade'] = $grade;
$result['warnings'] = $warnings;
return $result;
}

/**
* Describes the get_attempt_review return value.
*
* @return external_single_structure
* @since Moodle 3.1
* @deprecated Since Moodle 4.4 in favour of {@see get_quiz_attempt_review_returns}
* @todo Final deprecation in Moodle 4.8 (MDL-80956)
*/
public static function get_attempt_review_returns() {
$attemptstructure = self::attempt_structure();
$attemptstructure->keys['state']->desc .= " For backwards compatibility, attempts in 'submitted' state will return " .
"'finished'. To get attempts with real 'submitted' states, call get_quiz_attempt_review() instead.";
return new external_single_structure(
[
'grade' => new external_value(PARAM_RAW, 'grade for the quiz (or empty or "notyetgraded")'),
'attempt' => $attemptstructure,
'additionaldata' => new external_multiple_structure(
new external_single_structure(
[
'id' => new external_value(PARAM_ALPHANUMEXT, 'id of the data'),
'title' => new external_value(PARAM_TEXT, 'data title'),
'content' => new external_value(PARAM_RAW, 'data content'),
]
)
),
'questions' => new external_multiple_structure(self::question_structure()),
'warnings' => new external_warnings(),
]
);
}

/**
* Mark get_attempt_review deprecated.
*
* @return bool
*/
public static function get_attempt_review_is_deprecated(): bool {
return true;
}

/**
* Describes the parameters for get_quiz_attempt_review.
*
* @return external_function_parameters
* @since Moodle 4.4
*/
public static function get_quiz_attempt_review_parameters(): external_function_parameters {
return new external_function_parameters (
[
'attemptid' => new external_value(PARAM_INT, 'attempt id'),
'page' => new external_value(PARAM_INT, 'page number, empty for all the questions in all the pages',
VALUE_DEFAULT, -1),
]
);
}

/**
* Returns review information for the given finished attempt, can be used by users or teachers.
*
* For backwards compatibility, SUBMITTED attempts will be treated as FINISHED, with no grades.
*
* @param int $attemptid attempt id
* @param int $page page number, empty for all the questions in all the pages
* @return array of warnings and the attempt data, feedback and questions
* @since Moodle 4.4
*/
public static function get_quiz_attempt_review(int $attemptid, int $page = -1): array {
$warnings = [];

$params = [
'attemptid' => $attemptid,
'page' => $page,
];
$params = self::validate_parameters(self::get_quiz_attempt_review_parameters(), $params);

[$attemptobj, $displayoptions] = self::validate_attempt_review($params);

if ($params['page'] !== -1) {
$page = $attemptobj->force_page_number_into_range($params['page']);
} else {
$page = 'all';
}

// Make sure all users associated to the attempt steps are loaded. Otherwise, this will
// trigger a debugging message.
$attemptobj->preload_all_attempt_step_users();

// Prepare the output.
$result = [];
$result['attempt'] = $attemptobj->get_attempt();
Expand Down Expand Up @@ -1557,9 +1857,9 @@ public static function get_attempt_review($attemptid, $page = -1) {
* Describes the get_attempt_review return value.
*
* @return external_single_structure
* @since Moodle 3.1
* @since Moodle 4.4
*/
public static function get_attempt_review_returns() {
public static function get_quiz_attempt_review_returns(): external_single_structure {
return new external_single_structure(
[
'grade' => new external_value(PARAM_RAW, 'grade for the quiz (or empty or "notyetgraded")'),
Expand Down
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