Admin: Add config block_category_questions BT#17789 (WIP)

Requires DB change.

main/exercise/exercise.class.php

@@ -91,7 +91,6 @@ class Exercise
     public $pageResultConfiguration;
     public $preventBackwards;
     public $currentQuestion;
-    public $currentBlockedCategories;
     public $hideComment;
     public $hideNoAnswer;
     public $hideExpectedAnswer;
@@ -3220,6 +3219,7 @@ public function save_stat_track_exercise_info(
      * @param array  $questions_in_media
      * @param string $currentAnswer
      * @param array  $myRemindList
+     * @param bool   $showPreviousButton
      *
      * @return string
      */
@@ -3228,7 +3228,8 @@ public function show_button(
         $questionNum,
         $questions_in_media = [],
         $currentAnswer = '',
-        $myRemindList = []
+        $myRemindList = [],
+        $showPreviousButton = true
     ) {
         global $safe_lp_id, $safe_lp_item_id, $safe_lp_item_view_id;
         $nbrQuestions = $this->countQuestionsInExercise();
@@ -3332,7 +3333,7 @@ public function show_button(
                     }
                 }
 
-                if ($showPreview && 0 === $this->getPreventBackwards()) {
+                if ($showPreviousButton && $showPreview && 0 === $this->getPreventBackwards()) {
                     $buttonList[] = Display::button(
                         'previous_question_and_save',
                         get_lang('PreviousQuestion'),

main/exercise/exercise_question_reminder.php

@@ -0,0 +1,175 @@
+<?php
+
+/* For licensing terms, see /license.txt */
+
+use ChamiloSession as Session;
+
+require_once __DIR__.'/../inc/global.inc.php';
+
+if (false === api_get_configuration_value('block_category_questions')) {
+    api_not_allowed(true);
+}
+
+$this_section = SECTION_COURSES;
+api_protect_course_script(true);
+$origin = api_get_origin();
+
+$learnpath_id = isset($_REQUEST['learnpath_id']) ? (int) $_REQUEST['learnpath_id'] : 0;
+$learnpath_item_id = isset($_REQUEST['learnpath_item_id']) ? (int) $_REQUEST['learnpath_item_id'] : 0;
+$learnpath_item_view_id = isset($_REQUEST['learnpath_item_view_id']) ? (int) $_REQUEST['learnpath_item_view_id'] : 0;
+$exerciseId = isset($_REQUEST['exerciseId']) ? (int) $_REQUEST['exerciseId'] : 0;
+$currentQuestion = isset($_REQUEST['num']) ? (int) $_REQUEST['num'] : 1;
+$exeId = isset($_REQUEST['exe_id']) ? (int) $_REQUEST['exe_id'] : 0;
+$questionCategoryId = isset($_REQUEST['category_id']) ? (int) $_REQUEST['category_id'] : 0;
+$validateCategory = isset($_REQUEST['validate']) && 1 === (int) $_REQUEST['validate'];
+
+/** @var Exercise $objExercise */
+$objExercise = null;
+$exerciseInSession = Session::read('objExercise');
+if (!empty($exerciseInSession)) {
+    $objExercise = $exerciseInSession;
+}
+
+$category = new TestCategory();
+$categoryObj = $category->getCategory($questionCategoryId);
+
+if (empty($objExercise) || empty($questionCategoryId) || empty($exeId) || empty($categoryObj)) {
+    api_not_allowed(true);
+}
+
+$categoryId = $categoryObj->id;
+$params = "exe_id=$exeId&exerciseId=$exerciseId&learnpath_id=$learnpath_id&learnpath_item_id=$learnpath_item_id&learnpath_item_view_id=$learnpath_item_view_id&".api_get_cidreq();
+$url = api_get_path(WEB_CODE_PATH).'exercise/exercise_submit.php?'.$params;
+$validateUrl = api_get_self().'?'.$params.'&category_id='.$categoryId.'&validate=1';
+$time_control = false;
+
+/*
+$clock_expired_time = ExerciseLib::get_session_time_control_key(
+    $objExercise->id,
+    $learnpath_id,
+    $learnpath_item_id
+);
+
+if ($objExercise->expired_time != 0 && !empty($clock_expired_time)) {
+    $time_control = true;
+}
+
+if ($time_control) {
+    // Get time left for expiring time
+    $time_left = api_strtotime($clock_expired_time, 'UTC') - time();
+    $htmlHeadXtra[] = api_get_css(api_get_path(WEB_LIBRARY_PATH).'javascript/epiclock/stylesheet/jquery.epiclock.css');
+    $htmlHeadXtra[] = api_get_css(api_get_path(WEB_LIBRARY_PATH).'javascript/epiclock/renderers/minute/epiclock.minute.css');
+    $htmlHeadXtra[] = api_get_js('epiclock/javascript/jquery.dateformat.min.js');
+    $htmlHeadXtra[] = api_get_js('epiclock/javascript/jquery.epiclock.min.js');
+    $htmlHeadXtra[] = api_get_js('epiclock/renderers/minute/epiclock.minute.js');
+    $htmlHeadXtra[] = $objExercise->showTimeControlJS($time_left);
+}
+$htmlHeadXtra[] = api_get_css_asset('pretty-checkbox/dist/pretty-checkbox.min.css');*/
+
+$trackInfo = $objExercise->get_stat_track_exercise_info_by_exe_id($exeId);
+if (empty($trackInfo)) {
+    api_not_allowed();
+}
+$blockedCategories = [];
+if (isset($trackInfo['blocked_categories']) && !empty($trackInfo['blocked_categories'])) {
+    $blockedCategories = explode(',', $trackInfo['blocked_categories']);
+}
+
+if ($validateCategory) {
+    $blockedCategories[] = $categoryId;
+    $blockedCategories = array_unique($blockedCategories);
+    $value = implode(',', $blockedCategories);
+    $value = Database::escape_string($value);
+    $table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
+    $sql = "UPDATE $table
+            SET blocked_categories = '$value'
+            WHERE exe_id = $exeId";
+    Database::query($sql);
+    api_location($url.'&num='.$currentQuestion);
+}
+
+$nameTools = get_lang('Exercises');
+$interbreadcrumb[] = ['url' => 'exercise.php?'.api_get_cidreq(), 'name' => get_lang('Exercises')];
+$hideHeaderAndFooter = in_array($origin, ['learnpath', 'embeddable']);
+
+if (!$hideHeaderAndFooter) {
+    Display::display_header($nameTools, get_lang('Exercise'));
+} else {
+    Display::display_reduced_header();
+}
+
+// I'm in a preview mode as course admin. Display the action menu.
+if (api_is_course_admin() && !$hideHeaderAndFooter) {
+    echo '<div class="actions">';
+    echo '<a href="admin.php?'.api_get_cidreq().'&exerciseId='.$objExercise->id.'">'.
+        Display::return_icon('back.png', get_lang('GoBackToQuestionList'), [], 32).'</a>';
+    echo '<a href="exercise_admin.php?'.api_get_cidreq().'&modifyExercise=yes&exerciseId='.$objExercise->id.'">'.
+        Display::return_icon('edit.png', get_lang('ModifyExercise'), [], 32).'</a>';
+    echo '</div>';
+}
+echo Display::page_header($categoryObj->name);
+echo '<p>'.Security::remove_XSS($categoryObj->description).'</p>';
+echo '<p>'.get_lang('BlockCategoryExplanation').'</p>';
+
+if ($time_control) {
+    echo $objExercise->returnTimeLeftDiv();
+}
+
+echo Display::div('', ['id' => 'message']);
+
+$previousQuestion = $currentQuestion - 1;
+echo '<script>
+    var lp_data = $.param({
+        "learnpath_id": '.$learnpath_id.',
+        "learnpath_item_id" : '.$learnpath_item_id.',
+        "learnpath_item_view_id": '.$learnpath_item_view_id.'
+    });
+
+    function goBack() {
+        window.location = "'.$url.'&num='.$previousQuestion.'&" + lp_data;
+    }
+
+    function continueExercise() {
+        window.location = "'.$validateUrl.'&num='.$currentQuestion.'&" + lp_data;
+    }
+
+    function final_submit() {
+        window.location = "'.api_get_path(WEB_CODE_PATH).'exercise/exercise_result.php?'.api_get_cidreq().'&exe_id='.$exeId.'&" + lp_data;
+    }
+</script>';
+
+$exercise_result = $objExercise->getUserAnswersSavedInExercise($exeId);
+echo '<div class="clear"></div><br />';
+$table = '';
+$counter = 0;
+echo Display::div($table, ['class' => 'question-check-test']);
+
+$exerciseActions = '';
+if (!in_array($categoryId, $blockedCategories)) {
+    $exerciseActions = '&nbsp;'.Display::url(
+        get_lang('GoBack'),
+        'javascript://',
+        ['onclick' => 'goBack();', 'class' => 'btn btn-default']
+    );
+}
+$exerciseActions .= '&nbsp;'.Display::url(
+    get_lang('ContinueTest'),
+    'javascript://',
+    ['onclick' => 'continueExercise();', 'class' => 'btn btn-primary']
+);
+/*
+$exerciseActions .= '&nbsp;'.Display::url(
+    get_lang('EndTest'),
+    'javascript://',
+    ['onclick' => 'final_submit();', 'class' => 'btn btn-warning']
+);*/
+
+echo Display::div('', ['class' => 'clear']);
+echo Display::div($exerciseActions, ['class' => 'form-actions']);
+
+if (!$hideHeaderAndFooter) {
+    // We are not in learnpath tool or embeddable quiz
+    Display::display_footer();
+} else {
+    Display::display_reduced_footer();
+}

main/exercise/exercise_result.php

@@ -31,7 +31,6 @@
 }
 
 $exeId = isset($_REQUEST['exe_id']) ? (int) $_REQUEST['exe_id'] : 0;
-
 if (empty($objExercise)) {
     // Redirect to the exercise overview
     // Check if the exe_id exists