Code Coverage |
||||||||||
Lines |
Functions and Methods |
Classes and Traits |
||||||||
| Total | |
37.10% |
82 / 221 |
|
33.33% |
3 / 9 |
CRAP | |
0.00% |
0 / 1 |
| Quiz | |
37.10% |
82 / 221 |
|
33.33% |
3 / 9 |
698.15 | |
0.00% |
0 / 1 |
| __construct | |
59.09% |
26 / 44 |
|
0.00% |
0 / 1 |
33.53 | |||
| resetQuizID | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| getQuizId | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| getSettingsTable | |
100.00% |
30 / 30 |
|
100.00% |
1 / 1 |
8 | |||
| parseQuiz | |
0.00% |
0 / 25 |
|
0.00% |
0 / 1 |
6 | |||
| parseIncludes | |
0.00% |
0 / 5 |
|
0.00% |
0 / 1 |
2 | |||
| parseInclude | |
0.00% |
0 / 13 |
|
0.00% |
0 / 1 |
12 | |||
| parseQuestions | |
0.00% |
0 / 22 |
|
0.00% |
0 / 1 |
30 | |||
| parseQuestion | |
30.00% |
24 / 80 |
|
0.00% |
0 / 1 |
81.23 | |||
| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\Quiz; |
| 4 | |
| 5 | use MediaWiki\Extension\Quiz\Hooks\HookRunner; |
| 6 | use MediaWiki\Html\TemplateParser; |
| 7 | use MediaWiki\MediaWikiServices; |
| 8 | use MediaWiki\Parser\Parser; |
| 9 | use MediaWiki\Request\WebRequest; |
| 10 | use MediaWiki\Title\Title; |
| 11 | use StringUtils; |
| 12 | |
| 13 | /** |
| 14 | * Processes quiz markup |
| 15 | */ |
| 16 | class Quiz { |
| 17 | |
| 18 | /** @var int */ |
| 19 | private static $sQuizId = 0; |
| 20 | |
| 21 | /** @var Parser */ |
| 22 | private $mParser; |
| 23 | |
| 24 | /** @var WebRequest */ |
| 25 | private $mRequest; |
| 26 | |
| 27 | /** @var int */ |
| 28 | private $mQuizId; |
| 29 | |
| 30 | /** @var int */ |
| 31 | private $mQuestionId; |
| 32 | |
| 33 | /** @var int */ |
| 34 | private $mShuffleDiv; |
| 35 | |
| 36 | /** @var bool */ |
| 37 | private $mBeingCorrected; |
| 38 | |
| 39 | /** @var string */ |
| 40 | private $mState; |
| 41 | |
| 42 | /** @var int */ |
| 43 | private $numberQuestions; |
| 44 | |
| 45 | /** @var int */ |
| 46 | private $mTotal; |
| 47 | |
| 48 | /** @var int */ |
| 49 | private $mScore; |
| 50 | |
| 51 | /** @var int */ |
| 52 | private $mAddedPoints; |
| 53 | |
| 54 | /** @var int */ |
| 55 | private $mCutoffPoints; |
| 56 | |
| 57 | /** @var bool */ |
| 58 | private $mIgnoringCoef; |
| 59 | |
| 60 | /** @var bool */ |
| 61 | private $mDisplaySimple; |
| 62 | |
| 63 | /** @var bool */ |
| 64 | private $shuffleAnswers; |
| 65 | |
| 66 | /** @var bool */ |
| 67 | private $mShuffle; |
| 68 | |
| 69 | /** @var bool */ |
| 70 | private $mCaseSensitive; |
| 71 | |
| 72 | /** @var string */ |
| 73 | private $mIncludePattern; |
| 74 | |
| 75 | /** |
| 76 | * @param array $argv |
| 77 | * @param Parser $parser |
| 78 | */ |
| 79 | public function __construct( $argv, Parser $parser ) { |
| 80 | global $wgRequest; |
| 81 | $this->mParser = $parser; |
| 82 | $this->mRequest = $wgRequest; |
| 83 | // Allot a unique identifier to the quiz. |
| 84 | $this->mQuizId = $this->getQuizId(); |
| 85 | self::$sQuizId++; |
| 86 | // Reset the unique identifier of the questions. |
| 87 | $this->mQuestionId = 0; |
| 88 | // Reset the counter of div "shuffle" or "noshuffle" inside the quiz. |
| 89 | $this->mShuffleDiv = 0; |
| 90 | // Determine if this quiz is being corrected or not, according to the quizId |
| 91 | $this->mBeingCorrected = ( $wgRequest->getVal( 'quizId' ) == strval( $this->mQuizId ) ); |
| 92 | // Initialize various parameters used for the score calculation |
| 93 | $this->mState = 'NA'; |
| 94 | $this->numberQuestions = 0; |
| 95 | $this->mTotal = $this->mScore = 0; |
| 96 | $this->mAddedPoints = 1; |
| 97 | $this->mCutoffPoints = 0; |
| 98 | $this->mIgnoringCoef = false; |
| 99 | $this->mDisplaySimple = ( array_key_exists( 'display', $argv ) && |
| 100 | $argv['display'] == 'simple' ); |
| 101 | $this->shuffleAnswers = ( array_key_exists( 'shuffleanswers', $argv ) && |
| 102 | $argv['shuffleanswers'] == 'true' ); |
| 103 | |
| 104 | if ( $this->mBeingCorrected ) { |
| 105 | $lAddedPoints = str_replace( ',', '.', |
| 106 | $this->mRequest->getVal( 'addedPoints', '' ) |
| 107 | ); |
| 108 | if ( is_numeric( $lAddedPoints ) ) { |
| 109 | $this->mAddedPoints = (int)$lAddedPoints; |
| 110 | } |
| 111 | |
| 112 | $lCutoffPoints = str_replace( ',', '.', |
| 113 | $this->mRequest->getVal( 'cutoffPoints', '' ) |
| 114 | ); |
| 115 | if ( is_numeric( $lCutoffPoints ) ) { |
| 116 | $this->mCutoffPoints = (int)$lCutoffPoints; |
| 117 | } |
| 118 | if ( $this->mRequest->getVal( 'ignoringCoef' ) == 'on' ) { |
| 119 | $this->mIgnoringCoef = true; |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | if ( array_key_exists( 'points', $argv ) && |
| 124 | ( !$this->mBeingCorrected || $this->mDisplaySimple ) && |
| 125 | preg_match( |
| 126 | '`([\d\.]*)/?([\d\.]*)(!)?`', str_replace( ',', '.', $argv['points'] ), $matches |
| 127 | ) |
| 128 | ) { |
| 129 | if ( is_numeric( $matches[1] ) ) { |
| 130 | $this->mAddedPoints = (int)$matches[1]; |
| 131 | } |
| 132 | if ( is_numeric( $matches[2] ) ) { |
| 133 | $this->mCutoffPoints = (int)$matches[2]; |
| 134 | } |
| 135 | if ( array_key_exists( 3, $matches ) ) { |
| 136 | $this->mIgnoringCoef = true; |
| 137 | } |
| 138 | } |
| 139 | $this->mShuffle = !( array_key_exists( 'shuffle', $argv ) && $argv['shuffle'] == 'none' ); |
| 140 | $this->mCaseSensitive = !( array_key_exists( 'case', $argv ) && $argv['case'] == '(i)' ); |
| 141 | |
| 142 | // Patterns used in several places |
| 143 | $this->mIncludePattern = '`^\{\{:?(.*)\}\}[ \t]*`m'; |
| 144 | } |
| 145 | |
| 146 | public static function resetQuizID() { |
| 147 | self::$sQuizId = 0; |
| 148 | } |
| 149 | |
| 150 | /** |
| 151 | * @return int Quiz Id |
| 152 | */ |
| 153 | public function getQuizId() { |
| 154 | return self::$sQuizId; |
| 155 | } |
| 156 | |
| 157 | /** |
| 158 | * Get HTML from template using TemplateParser |
| 159 | * |
| 160 | * @param TemplateParser $templateParser |
| 161 | * @return string |
| 162 | */ |
| 163 | public function getSettingsTable( $templateParser ) { |
| 164 | $checked = $this->mIgnoringCoef ? 'checked="checked"' : ''; |
| 165 | $settingsTable = $templateParser->processTemplate( |
| 166 | 'Setting', |
| 167 | [ |
| 168 | 'isSettingFirstRow' => ( !$this->mDisplaySimple || $this->mBeingCorrected || |
| 169 | $this->mState === 'error' ), |
| 170 | 'isSettingOtherRow' => ( !$this->mDisplaySimple || $this->mBeingCorrected ), |
| 171 | 'notSimple' => !$this->mDisplaySimple, |
| 172 | /** @phan-suppress-next-line PhanPluginDuplicateExpressionBinaryOp FIXME */ |
| 173 | 'corrected' => ( $this->mBeingCorrected && $this->mBeingCorrected ), |
| 174 | 'shuffle' => $this->mShuffle, |
| 175 | 'shuffleOrError' => ( $this->mShuffle && $this->numberQuestions > 1 ) || |
| 176 | $this->mState === 'error', |
| 177 | 'error' => $this->mState === 'error', |
| 178 | 'wfMessage' => [ |
| 179 | 'quiz_added' => wfMessage( 'quiz_addedPoints', $this->mAddedPoints )->text(), |
| 180 | 'quiz_cutoff' => wfMessage( 'quiz_cutoffPoints', $this->mCutoffPoints )->text(), |
| 181 | 'quiz_ignoreCoef' => wfMessage( 'quiz_ignoreCoef' )->text(), |
| 182 | 'quiz_legend_correct' => wfMessage( 'quiz_legend_correct' )->text(), |
| 183 | 'quiz_legend_incorrect' => wfMessage( 'quiz_legend_incorrect' )->text(), |
| 184 | 'quiz_legend_unanswered' => wfMessage( 'quiz_legend_unanswered' )->text(), |
| 185 | 'quiz_legend_error' => wfMessage( 'quiz_legend_error' )->text(), |
| 186 | 'quiz_shuffle' => wfMessage( 'quiz_shuffle' )->text() |
| 187 | ], |
| 188 | 'mAddedPoints' => $this->mAddedPoints, |
| 189 | 'mCutoffPoints' => $this->mCutoffPoints, |
| 190 | 'checked' => $checked, |
| 191 | 'shuffleDisplay' => $this->numberQuestions > 1 |
| 192 | ] |
| 193 | ); |
| 194 | return $settingsTable; |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * Convert the input text to an HTML output. |
| 199 | * |
| 200 | * @param string $input text between <quiz> and </quiz> tags, in quiz syntax. |
| 201 | * @return string |
| 202 | */ |
| 203 | public function parseQuiz( $input ) { |
| 204 | // Ouput the style and the script to the header once for all. |
| 205 | if ( $this->mQuizId == 0 ) { |
| 206 | $this->mParser->getOutput()->addModules( [ 'ext.quiz' ] ); |
| 207 | $this->mParser->getOutput()->addModuleStyles( [ 'ext.quiz.styles' ] ); |
| 208 | } |
| 209 | |
| 210 | // Process the input |
| 211 | $input = $this->parseQuestions( $this->parseIncludes( $input ) ); |
| 212 | |
| 213 | // Generates the output. |
| 214 | $templateParser = new TemplateParser( __DIR__ . '/../templates' ); |
| 215 | // Determine the content of the settings table. |
| 216 | $settingsTable = $this->getSettingsTable( $templateParser ); |
| 217 | |
| 218 | $quiz_score = wfMessage( 'quiz_score' )->rawParams( |
| 219 | '<span class="score">' . $this->mScore . '</span>', |
| 220 | '<span class="total">' . $this->mTotal . '</span>' )->escaped(); |
| 221 | |
| 222 | return $templateParser->processTemplate( |
| 223 | 'Quiz', |
| 224 | [ |
| 225 | 'quiz' => [ |
| 226 | 'id' => $this->mQuizId, |
| 227 | 'beingCorrected' => $this->mBeingCorrected, |
| 228 | 'questions' => $input |
| 229 | ], |
| 230 | 'settingsTable' => $settingsTable, |
| 231 | 'wfMessage' => [ |
| 232 | 'quiz_correction' => wfMessage( 'quiz_correction' )->escaped(), |
| 233 | 'quiz_reset' => wfMessage( 'quiz_reset' )->escaped(), |
| 234 | 'quiz_score' => $quiz_score |
| 235 | ] |
| 236 | ] |
| 237 | ); |
| 238 | } |
| 239 | |
| 240 | /** |
| 241 | * Replace inclusions from other quizzes. |
| 242 | * |
| 243 | * @param string $input text between <quiz> and </quiz> tags, in quiz syntax. |
| 244 | * @return string |
| 245 | */ |
| 246 | private function parseIncludes( $input ) { |
| 247 | return preg_replace_callback( |
| 248 | $this->mIncludePattern, |
| 249 | [ $this, 'parseInclude' ], |
| 250 | $input |
| 251 | ); |
| 252 | } |
| 253 | |
| 254 | /** |
| 255 | * Include text between <quiz> and <quiz> from another page to this quiz. |
| 256 | * |
| 257 | * @param array $matches elements matching $includePattern |
| 258 | * $matches[1] is the page title. |
| 259 | * @return mixed|string |
| 260 | */ |
| 261 | private function parseInclude( $matches ) { |
| 262 | $title = Title::makeTitleSafe( NS_MAIN, $matches[1] ); |
| 263 | if ( $title === null ) { |
| 264 | // Not a valid title for this include; replace w/ empty string. |
| 265 | return ''; |
| 266 | } |
| 267 | $text = $this->mParser->fetchTemplateAndTitle( $title )[0]; |
| 268 | $output = ''; |
| 269 | if ( preg_match( '`<quiz[^>]*>(.*?)</quiz>`sU', $text, $unparsedQuiz ) ) { |
| 270 | // Remove inclusions from included quiz. |
| 271 | $output = preg_replace( |
| 272 | $this->mIncludePattern, |
| 273 | '', |
| 274 | StringUtils::escapeRegexReplacement( $unparsedQuiz[1] ) |
| 275 | ); |
| 276 | $output .= "\n"; |
| 277 | } |
| 278 | return $output; |
| 279 | } |
| 280 | |
| 281 | /** |
| 282 | * Replace questions from quiz syntax to HTML. |
| 283 | * |
| 284 | * @param string $input a question in quiz syntax. |
| 285 | * @return string |
| 286 | */ |
| 287 | private function parseQuestions( $input ) { |
| 288 | $splitPattern = '`(^|\n[ \t]*)\n\{`'; |
| 289 | $unparsedQuestions = preg_split( |
| 290 | $splitPattern, |
| 291 | $input, |
| 292 | -1, |
| 293 | PREG_SPLIT_NO_EMPTY |
| 294 | ); |
| 295 | |
| 296 | $output = ''; |
| 297 | $questionPattern = '`(.*?[^|\}])\}[ \t]*(\n(.*)|$)`s'; |
| 298 | $this->numberQuestions = count( $unparsedQuestions ); |
| 299 | $numDisplay = $this->numberQuestions > 1; |
| 300 | foreach ( $unparsedQuestions as $unparsedQuestion ) { |
| 301 | // If this "unparsedQuestion" is not a full question, |
| 302 | // we put the text into a buffer to add it at the beginning of the next question. |
| 303 | if ( !empty( $buffer ) ) { |
| 304 | $unparsedQuestion = $buffer . "\n\n" . '{' . $unparsedQuestion; |
| 305 | } |
| 306 | |
| 307 | if ( preg_match( $questionPattern, $unparsedQuestion, $matches ) ) { |
| 308 | $buffer = ''; |
| 309 | $output .= $this->parseQuestion( $matches, $numDisplay ); |
| 310 | } else { |
| 311 | $buffer = $unparsedQuestion; |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | // Close unclosed "shuffle" or "noshuffle" tags. |
| 316 | while ( $this->mShuffleDiv > 0 ) { |
| 317 | $output .= '</div>'; |
| 318 | $this->mShuffleDiv--; |
| 319 | } |
| 320 | return $output; |
| 321 | } |
| 322 | |
| 323 | /** |
| 324 | * Convert a question from quiz syntax to HTML |
| 325 | * |
| 326 | * @param array $matches elements matching $questionPattern |
| 327 | * $matches[1] is the question header. |
| 328 | * $matches[3] is the question object. |
| 329 | * @param bool $numDisplay specifies whether to display question number. |
| 330 | * @return string |
| 331 | */ |
| 332 | public function parseQuestion( $matches, $numDisplay ) { |
| 333 | $question = new Question( |
| 334 | $this->mBeingCorrected, |
| 335 | $this->mCaseSensitive, |
| 336 | $this->mQuestionId, |
| 337 | $this->shuffleAnswers, |
| 338 | $this->mParser |
| 339 | ); |
| 340 | ( new HookRunner( MediaWikiServices::getInstance()->getHookContainer() ) ) |
| 341 | ->onQuizQuestionCreated( $this, $question ); |
| 342 | |
| 343 | // gets the question text |
| 344 | $questionText = $question->parseHeader( $matches[1] ); |
| 345 | |
| 346 | /* |
| 347 | What is this block of code? |
| 348 | The only place X !X and /X are spoken about is here |
| 349 | https://en.wikiversity.org/wiki/Help:Quiz |
| 350 | "A few exotic features are not yet covered, |
| 351 | such as shuffle control using {X} {!X} {/X} tags." |
| 352 | These were added in commit fb53a3b0 back in 2007, |
| 353 | without any explanation and/or documentation. The commit message is actually unrelated. |
| 354 | */ |
| 355 | if ( !array_key_exists( 3, $matches ) || trim( $matches[3] ) == '' ) { |
| 356 | switch ( $matches[1] ) { |
| 357 | case 'X': |
| 358 | $this->mShuffleDiv++; |
| 359 | return '<div class="shuffle">' . "\n"; |
| 360 | case '!X': |
| 361 | $this->mShuffleDiv++; |
| 362 | return '<div class="noshuffle">' . "\n"; |
| 363 | case '/X': |
| 364 | // Prevent closing of other tags. |
| 365 | if ( $this->mShuffleDiv == 0 ) { |
| 366 | return ''; |
| 367 | } else { |
| 368 | $this->mShuffleDiv--; |
| 369 | return '</div>' . "\n"; |
| 370 | } |
| 371 | default: |
| 372 | return '<div class="quizText">' . $questionText . '<br /></div>' . "\n"; |
| 373 | } |
| 374 | } |
| 375 | |
| 376 | $templateParser = new TemplateParser( __DIR__ . '/../templates' ); |
| 377 | |
| 378 | $this->mQuestionId++; |
| 379 | |
| 380 | // This will generate the answers HTML code |
| 381 | $answers = call_user_func( |
| 382 | // Calling singleChoiceParseObject, multipleChoiceParseObject and textFieldParseObject |
| 383 | [ $question, $question->mType . 'ParseObject' ], |
| 384 | $matches[3] |
| 385 | ); |
| 386 | |
| 387 | // Set default table title and style |
| 388 | |
| 389 | $tableTitle = ""; |
| 390 | |
| 391 | $lState = $question->getState(); |
| 392 | |
| 393 | if ( $lState != '' ) { |
| 394 | // if the question is of type=simple |
| 395 | if ( $this->mIgnoringCoef ) { |
| 396 | $question->mCoef = 1; |
| 397 | } |
| 398 | switch ( $lState ) { |
| 399 | case 'correct': |
| 400 | $this->mTotal += $this->mAddedPoints * $question->mCoef; |
| 401 | $this->mScore += $this->mAddedPoints * $question->mCoef; |
| 402 | |
| 403 | $tableTitle = wfMessage( |
| 404 | 'quiz_points', |
| 405 | wfMessage( 'quiz_legend_correct' )->text(), |
| 406 | $this->mAddedPoints * $question->mCoef |
| 407 | )->escaped(); |
| 408 | break; |
| 409 | |
| 410 | case 'incorrect': |
| 411 | $this->mTotal += $this->mAddedPoints * $question->mCoef; |
| 412 | $this->mScore -= $this->mCutoffPoints * $question->mCoef; |
| 413 | |
| 414 | $tableTitle = wfMessage( |
| 415 | 'quiz_points', |
| 416 | wfMessage( 'quiz_legend_incorrect' )->text(), |
| 417 | -$this->mCutoffPoints * $question->mCoef |
| 418 | )->escaped(); |
| 419 | break; |
| 420 | |
| 421 | case 'NA': |
| 422 | $this->mTotal += $this->mAddedPoints * $question->mCoef; |
| 423 | |
| 424 | $tableTitle = wfMessage( |
| 425 | 'quiz_points', |
| 426 | wfMessage( 'quiz_legend_unanswered' )->text(), |
| 427 | 0 |
| 428 | )->escaped(); |
| 429 | break; |
| 430 | |
| 431 | case 'error': |
| 432 | $this->mState = 'error'; |
| 433 | break; |
| 434 | } |
| 435 | } |
| 436 | |
| 437 | $stateObject = [ |
| 438 | 'state' => $lState, |
| 439 | 'tableTitle' => $tableTitle |
| 440 | ]; |
| 441 | |
| 442 | return $templateParser->processTemplate( |
| 443 | 'Question', |
| 444 | [ |
| 445 | 'question' => [ |
| 446 | 'id' => $this->mQuestionId, |
| 447 | 'numdis' => $numDisplay, |
| 448 | 'text' => $questionText, |
| 449 | 'answers' => $answers |
| 450 | ], |
| 451 | 'state' => $stateObject |
| 452 | ] |
| 453 | ); |
| 454 | } |
| 455 | } |