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Quiz_Attempts_List.php
318 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Quiz attempt list management |
| 4 | * |
| 5 | * @package Tutor\QuestionAnswer |
| 6 | * @author Themeum <support@themeum.com> |
| 7 | * @link https://themeum.com |
| 8 | * @since 1.0.0 |
| 9 | */ |
| 10 | |
| 11 | namespace TUTOR; |
| 12 | |
| 13 | if ( ! defined( 'ABSPATH' ) ) { |
| 14 | exit; |
| 15 | } |
| 16 | |
| 17 | use Tutor\Cache\QuizAttempts; |
| 18 | use Tutor\Models\QuizModel; |
| 19 | |
| 20 | /** |
| 21 | * Quiz attempt class |
| 22 | * |
| 23 | * @since 1.0.0 |
| 24 | */ |
| 25 | class Quiz_Attempts_List { |
| 26 | |
| 27 | const QUIZ_ATTEMPT_PAGE = 'tutor_quiz_attempts'; |
| 28 | |
| 29 | /** |
| 30 | * Trait for utilities |
| 31 | * |
| 32 | * @var $page_title |
| 33 | */ |
| 34 | |
| 35 | use Backend_Page_Trait; |
| 36 | /** |
| 37 | * Page Title |
| 38 | * |
| 39 | * @var $page_title |
| 40 | */ |
| 41 | public $page_title; |
| 42 | |
| 43 | /** |
| 44 | * Bulk Action |
| 45 | * |
| 46 | * @var $bulk_action |
| 47 | */ |
| 48 | public $bulk_action = true; |
| 49 | |
| 50 | /** |
| 51 | * Handle dependencies |
| 52 | * |
| 53 | * @since 1.0.0 |
| 54 | * |
| 55 | * @param boolean $register_hook should register hook or not. |
| 56 | */ |
| 57 | public function __construct( $register_hook = true ) { |
| 58 | |
| 59 | $this->page_title = __( 'Quiz Attempts', 'tutor' ); |
| 60 | if ( ! $register_hook ) { |
| 61 | return; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * Handle bulk action |
| 66 | * |
| 67 | * @since 2.0.0 |
| 68 | */ |
| 69 | add_action( 'wp_ajax_tutor_quiz_attempts_bulk_action', array( $this, 'quiz_attempts_bulk_action' ) ); |
| 70 | add_action( 'wp_ajax_tutor_quiz_attempts_count', array( $this, 'get_quiz_attempts_stat' ) ); |
| 71 | |
| 72 | /** |
| 73 | * Delete quiz attempt cache |
| 74 | * |
| 75 | * @since 2.1.0 |
| 76 | */ |
| 77 | add_action( 'tutor_quiz/attempt_ended', array( new QuizAttempts(), 'delete_cache' ) ); |
| 78 | add_action( 'tutor_quiz/attempt_deleted', array( new QuizAttempts(), 'delete_cache' ) ); |
| 79 | add_action( 'tutor_quiz/answer/review/after', array( new QuizAttempts(), 'delete_cache' ) ); |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Get the attempts stat from specific instructor context |
| 84 | * |
| 85 | * @since 2.0.0 |
| 86 | * |
| 87 | * @return array |
| 88 | */ |
| 89 | public function get_quiz_attempts_stat() { |
| 90 | global $wpdb; |
| 91 | |
| 92 | if ( wp_doing_ajax() ) { |
| 93 | tutor_utils()->checking_nonce(); |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * Parse `passing_grade` value from `attempt_info` serialized data. |
| 98 | * |
| 99 | * Data Format : "passing_grade";s:2:"80" or "passing_grade";s:3:"100" |
| 100 | * Expected Output : 80 or 100 |
| 101 | * |
| 102 | * TODO: Optimize SQL query. |
| 103 | */ |
| 104 | $pass_mark = "((( SUBSTRING_INDEX( |
| 105 | SUBSTRING_INDEX( |
| 106 | attempt_info, |
| 107 | CONCAT( |
| 108 | '\"passing_grade\";s:', |
| 109 | SUBSTRING_INDEX(SUBSTRING_INDEX(attempt_info, '\"passing_grade\";s:', -1), ':\"', 1), |
| 110 | ':\"' |
| 111 | ), |
| 112 | -1 |
| 113 | ), |
| 114 | '\"', |
| 115 | 1 |
| 116 | ))/100) * quiz_attempts.total_marks)"; |
| 117 | |
| 118 | $pending_count = "(SELECT COUNT(DISTINCT attempt_answer_id) FROM {$wpdb->prefix}tutor_quiz_attempt_answers WHERE quiz_attempt_id=quiz_attempts.attempt_id AND is_correct IS NULL)"; |
| 119 | $pass_clause = " AND quiz_attempts.earned_marks >= {$pass_mark} "; |
| 120 | $fail_clause = " AND quiz_attempts.earned_marks < {$pass_mark} AND {$pending_count} < 1 "; |
| 121 | $pending_clause = " AND {$pending_count} > 0 "; |
| 122 | |
| 123 | $user_id = get_current_user_id(); |
| 124 | $user_clause = ''; |
| 125 | if ( ! current_user_can( 'administrator' ) ) { |
| 126 | $user_clause = "AND quiz.post_author = {$user_id}"; |
| 127 | } |
| 128 | |
| 129 | $count_obj = (object) array( |
| 130 | 'pass' => 0, |
| 131 | 'fail' => 0, |
| 132 | 'pending' => 0, |
| 133 | ); |
| 134 | |
| 135 | $is_ajax_action = 'tutor_quiz_attempts_count' === Input::post( 'action' ); |
| 136 | |
| 137 | if ( $is_ajax_action ) { |
| 138 | $attempt_cache = new QuizAttempts(); |
| 139 | |
| 140 | if ( $attempt_cache->has_cache() && ! is_null( $attempt_cache->get_cache()->pass ) ) { |
| 141 | $count_obj = $attempt_cache->get_cache(); |
| 142 | } else { |
| 143 | $select_stmt = "SELECT COUNT( DISTINCT attempt_id) |
| 144 | FROM {$wpdb->prefix}tutor_quiz_attempts quiz_attempts |
| 145 | INNER JOIN {$wpdb->posts} quiz ON quiz_attempts.quiz_id = quiz.ID |
| 146 | INNER JOIN {$wpdb->prefix}tutor_quiz_attempt_answers AS ans |
| 147 | ON quiz_attempts.attempt_id = ans.quiz_attempt_id"; |
| 148 | |
| 149 | $count_obj->pass = (int) $wpdb->get_var( |
| 150 | $wpdb->prepare( |
| 151 | "{$select_stmt} |
| 152 | WHERE attempt_status != %s |
| 153 | {$pass_clause} |
| 154 | {$user_clause} |
| 155 | ", |
| 156 | 'attempt_started' |
| 157 | ) |
| 158 | ); |
| 159 | |
| 160 | $count_obj->fail = (int) $wpdb->get_var( |
| 161 | $wpdb->prepare( |
| 162 | "{$select_stmt} |
| 163 | WHERE attempt_status != %s |
| 164 | {$fail_clause} |
| 165 | {$user_clause} |
| 166 | ", |
| 167 | 'attempt_started' |
| 168 | ) |
| 169 | ); |
| 170 | |
| 171 | $count_obj->pending = (int) $wpdb->get_var( |
| 172 | $wpdb->prepare( |
| 173 | "{$select_stmt} |
| 174 | WHERE attempt_status != %s |
| 175 | {$pending_clause} |
| 176 | {$user_clause} |
| 177 | ", |
| 178 | 'attempt_started' |
| 179 | ) |
| 180 | ); |
| 181 | |
| 182 | $attempt_cache->data = $count_obj; |
| 183 | $attempt_cache->set_cache(); |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | $all = $count_obj->pass + $count_obj->fail + $count_obj->pending; |
| 188 | $pass = $count_obj->pass; |
| 189 | $fail = $count_obj->fail; |
| 190 | $pending = $count_obj->pending; |
| 191 | $response = compact( 'all', 'pass', 'fail', 'pending' ); |
| 192 | |
| 193 | return $is_ajax_action ? wp_send_json_success( $response ) : $response; |
| 194 | } |
| 195 | |
| 196 | /** |
| 197 | * Available tabs that will visible on the right side of page navbar |
| 198 | * |
| 199 | * @since 2.0.0 |
| 200 | * |
| 201 | * @param string $user_id selected quiz_attempts id | optional. |
| 202 | * @param int $course_id selected quiz_attempts id | optional. |
| 203 | * @param string $date selected date | optional. |
| 204 | * @param string $search search by user name or email | optional. |
| 205 | * |
| 206 | * @return array |
| 207 | */ |
| 208 | public function tabs_key_value( $user_id, $course_id, $date, $search ): array { |
| 209 | $url = get_pagenum_link(); |
| 210 | $stats = $this->get_quiz_attempts_stat(); |
| 211 | |
| 212 | $tabs = array( |
| 213 | array( |
| 214 | 'key' => 'all', |
| 215 | 'title' => __( 'All', 'tutor' ), |
| 216 | 'value' => $stats['all'], |
| 217 | 'url' => $url . '&data=all', |
| 218 | ), |
| 219 | array( |
| 220 | 'key' => 'pass', |
| 221 | 'title' => __( 'Pass', 'tutor' ), |
| 222 | 'value' => $stats['pass'], |
| 223 | 'url' => $url . '&data=pass', |
| 224 | ), |
| 225 | array( |
| 226 | 'key' => 'fail', |
| 227 | 'title' => __( 'Fail', 'tutor' ), |
| 228 | 'value' => $stats['fail'], |
| 229 | 'url' => $url . '&data=fail', |
| 230 | ), |
| 231 | array( |
| 232 | 'key' => 'pending', |
| 233 | 'title' => __( 'Pending', 'tutor' ), |
| 234 | 'value' => $stats['pending'], |
| 235 | 'url' => $url . '&data=pending', |
| 236 | ), |
| 237 | ); |
| 238 | |
| 239 | return $tabs; |
| 240 | } |
| 241 | |
| 242 | /** |
| 243 | * Prepare bulk actions that will show on dropdown options |
| 244 | * |
| 245 | * @since 2.0.0 |
| 246 | * |
| 247 | * @return array |
| 248 | */ |
| 249 | public function prpare_bulk_actions(): array { |
| 250 | $actions = array( |
| 251 | $this->bulk_action_default(), |
| 252 | $this->bulk_action_delete(), |
| 253 | ); |
| 254 | return $actions; |
| 255 | } |
| 256 | |
| 257 | |
| 258 | /** |
| 259 | * Handle bulk action for instructor delete |
| 260 | * |
| 261 | * @since 2.0.0 |
| 262 | * |
| 263 | * @return void send wp_json response |
| 264 | */ |
| 265 | public function quiz_attempts_bulk_action() { |
| 266 | // check nonce. |
| 267 | tutor_utils()->checking_nonce(); |
| 268 | |
| 269 | // Check if user is privileged. |
| 270 | if ( ! User::has_any_role( array( User::ADMIN, User::INSTRUCTOR ) ) ) { |
| 271 | wp_send_json_error( tutor_utils()->error_message() ); |
| 272 | } |
| 273 | |
| 274 | $bulk_action = Input::post( 'bulk-action', '' ); |
| 275 | $bulk_ids = Input::post( 'bulk-ids', '' ); |
| 276 | $bulk_ids = explode( ',', $bulk_ids ); |
| 277 | $bulk_ids = array_map( |
| 278 | function( $id ) { |
| 279 | return (int) trim( $id ); |
| 280 | }, |
| 281 | $bulk_ids |
| 282 | ); |
| 283 | |
| 284 | // prevent instructor to remove quiz attempt from admin. |
| 285 | $bulk_ids = array_filter( |
| 286 | $bulk_ids, |
| 287 | function ( $attempt_id ) { |
| 288 | $attempt = tutor_utils()->get_attempt( $attempt_id ); |
| 289 | $user_id = get_current_user_id(); |
| 290 | $course_id = $attempt && is_object( $attempt ) ? $attempt->course_id : 0; |
| 291 | return $course_id && tutor_utils()->can_user_edit_course( $user_id, $course_id ); |
| 292 | } |
| 293 | ); |
| 294 | |
| 295 | switch ( $bulk_action ) { |
| 296 | case 'delete': |
| 297 | QuizModel::delete_quiz_attempt( $bulk_ids ); |
| 298 | break; |
| 299 | } |
| 300 | |
| 301 | wp_send_json_success(); |
| 302 | } |
| 303 | |
| 304 | /** |
| 305 | * Get bulk action as an array |
| 306 | * |
| 307 | * @since 2.0.0 |
| 308 | * |
| 309 | * @return array |
| 310 | */ |
| 311 | public function get_bulk_actions() { |
| 312 | $actions = array( |
| 313 | 'delete' => 'Delete', |
| 314 | ); |
| 315 | return $actions; |
| 316 | } |
| 317 | } |
| 318 |