closedquestion-8.x-3.x-dev/src/Question/Mapping/CqMatchRange.php

<?php

namespace Drupal\closedquestion\Question\Mapping;

use Drupal\Component\Utility\Html;

/**
 * Class CqMatchRange.
 *
 * CqMatchRange checks if one or more inlineChoice(s) contains a numeric value
 * in a certain range, or if a certain given value is in a certain range.
 *
 * @package Drupal\closedquestion\Question\Mapping
 */
class CqMatchRange extends CqAbstractMapping {

  /**
   * Implements CqAbstractMapping::evaluate()
   */
  public function evaluate() {
    $choiceId = $this->getParam('inlinechoice');
    $matchAll = $this->getParam('matchall');
    $minval = $this->getParam('minval');
    if ($minval !== NULL && !is_numeric($minval)) {
      // Non numeric minval, probably a math expression.
      $minval = $this->context->evaluateMath($minval);
    }

    $maxval = $this->getParam('maxval');
    if ($maxval !== NULL && !is_numeric($maxval)) {
      // Non numeric minval, probably a math expression.
      $maxval = $this->context->evaluateMath($maxval);
    }

    $value = $this->getParam('value');
    if ($value !== NULL && !is_numeric($value)) {
      // Non numeric value, probably a math expression.
      $value = $this->context->evaluateMath($value);
    }

    if ($choiceId === NULL && $value === NULL) {
      \Drupal::messenger()->addMessage(t('Range without inlineChoice or value attribute found.'), 'warning');
    }
    if ($choiceId !== NULL) {
      $answer = $this->context->getAnswerForChoice($choiceId);
    }
    else {
      $answer = $value;
    }

    if ($answer !== NULL) {
      if (is_array($answer)) {
        foreach ($answer as $subChoice => $subAnswer) {
          $this->topParent->lastMatchedId = $subChoice;

          $subAnswer = closedquestion_fix_number($subAnswer);
          $matched = TRUE;

          if (!is_numeric($subAnswer)) {
            $matched = FALSE;
          }

          if ($minval !== NULL && $subAnswer < $minval) {
            $matched = FALSE;
          }
          if ($maxval !== NULL && $subAnswer > $maxval) {
            $matched = FALSE;
          }
          if (!$matchAll && $matched) {
            // This sub-answer matched, and we need only one to match, so this
            // range matches, return TRUE.
            return TRUE;
          }
          if ($matchAll && !$matched) {
            // This sub-answer did not match, and we need all of 'em to match
            // for true, so the match failed, return FALSE.
            return FALSE;
          }
        }
        // If we did not return sooner then the result of the last one is final.
        return $matched;
      }
      else {
        $this->topParent->lastMatchedId = $choiceId;

        $answer = closedquestion_fix_number($answer);

        if (!is_numeric($answer)) {
          return FALSE;
        }

        if ($minval !== NULL && $answer < $minval && (string) $answer !== (string) $minval) {
          // String check is for failing float comparisons.
          // @TODO: find a better way of doing this.
          return FALSE;
        }
        if ($maxval !== NULL && $answer > $maxval && (string) $answer !== (string) $maxval) {
          return FALSE;
        }
        return TRUE;
      }
    }
    else {
      return FALSE;
    }
  }

  /**
   * Overrides CqAbstractMapping::getAllText()
   */
  public function getAllText() {
    $choiceId = $this->getParam('inlinechoice');
    $value = $this->getParam('value');

    $minval = $this->getParam('minval');
    if ($minval === NULL) {
      $minval = '-&infin;';
    }
    else {
      $minval = Html::escape($minval);
    }

    $maxval = $this->getParam('maxval');
    if ($maxval === NULL) {
      $maxval = '&infin;';
    }
    else {
      $maxval = Html::escape($maxval);
    }

    $retval = array();

    if ($choiceId !== NULL) {
      $retval['logic']['#markup'] = t('Range: choiceId=%id, minval=@minval, maxval=@maxval.', array(
        '%id' => $choiceId,
        '@minval' => $minval,
        '@maxval' => $maxval,
      ));
    }
    elseif ($value !== NULL) {
      $retval['logic']['#markup'] = t('Range: value=%id, minval=@minval, maxval=@maxval.', array(
        '%id' => $value,
        '@minval' => $minval,
        '@maxval' => $maxval,
      ));
    }
    else {
      $retval['logic']['#markup'] = t('Range: minval=@minval, maxval=@maxval.', array(
        '@minval' => $minval,
        '@maxval' => $maxval,
      ));
    }

    $retval += parent::getAllText();
    return $retval;
  }

}