✏️ Editing: BlockRendererHelper.php Writable

<?php // phpcs:ignore SlevomatCodingStandard.TypeHints.DeclareStrictTypes.DeclareStrictTypesMissing

namespace MailPoet\Form\Block;

if (!defined('ABSPATH')) exit;

use MailPoet\Form\Util\FieldNameObfuscator;
use MailPoet\Services\Validator;
use MailPoet\WP\Functions as WPFunctions;

/**
 * This class still covers several responsibilities and could be further refactored
 * @package MailPoet\Form\Block
 */
class BlockRendererHelper {

/** @var FieldNameObfuscator */
  private $fieldNameObfuscator;

/** @var WPFunctions */
  protected $wp;

public function __construct(
    FieldNameObfuscator $fieldNameObfuscator,
    WPFunctions $wp
  ) {
    $this->fieldNameObfuscator = $fieldNameObfuscator;
    $this->wp = $wp;
  }

public function getInputValidation(array $block, array $extraRules = [], ?int $formId = null): string {
    $rules = [
      'errors-container' => '.' . $this->getErrorsContainerClass($block, $formId),
    ];
    $blockId = $this->wp->escAttr($block['id']);

if ($blockId === 'email') {
      $rules['required'] = true;
      $rules['minlength'] = Validator::EMAIL_MIN_LENGTH;
      $rules['maxlength'] = Validator::EMAIL_MAX_LENGTH;
      $rules['type-message'] = __('This value should be a valid email.', 'mailpoet');
    }

if (($blockId === 'first_name') || ($blockId === 'last_name')) {
      $errorMessages = [
        __('Please specify a valid name.', 'mailpoet'),
        __('Addresses in names are not permitted, please add your name instead.', 'mailpoet'),
      ];
      $rules['names'] = '[' . implode(',', array_map(function (string $errorMessage): string {
        return $this->wp->escAttr('"' . $errorMessage . '"');
      }, $errorMessages)) . ']';
    }

// Segments should be required only when form ID is not empty. That allows save form on subscription management site when any segment is not checked.
    if ($blockId === 'segments' && $formId) {
      $rules['required'] = true;
      $rules['mincheck'] = 1;
      $rules['group'] = $blockId;
      $rules['required-message'] = __('Please select a list.', 'mailpoet');
    }

if (static::getFieldIsRequired($block)) {
      $rules['required'] = true;
      $rules['required-message'] = __('This field is required.', 'mailpoet');
    }

if (!empty($block['params']['validate'])) {
      if ($block['params']['validate'] === 'phone') {
        $rules['pattern'] = "^[\d\+\-\.\/\s]*$";
        $rules['error-message'] = __('Please specify a valid phone number.', 'mailpoet');
      } else {
        $rules['type'] = $this->wp->escAttr($block['params']['validate']);
        $rules['error-message'] = $this->translateValidationErrorMessage($block['params']['validate']);
      }
    }

if (in_array($block['type'], ['radio', 'checkbox', 'date'])) {
      $rules['group'] = 'custom_field_' . $blockId;
    }

$rules = array_merge($rules, $extraRules);

if (empty($rules)) {
      return '';
    }

$validation = [];
    $rules = array_unique($rules);
    foreach ($rules as $rule => $value) {
      if (is_bool($value)) {
        $value = ($value) ? 'true' : 'false';
      }
      // We need to use single quotes because we need to pass array of strings as a parameter for custom validation
      if ($rule === 'names') {
        $validation[] = 'data-parsley-' . $rule . '=\'' . $this->wp->wpKsesPost($value) . '\''; // The value has been escaped above.
      } else {
        $validation[] = 'data-parsley-' . $this->wp->escAttr($rule) . '="' . $this->wp->escAttr($this->wp->wpKsesPost($value)) . '"';
        if ($rule === 'required') {
          $validation[] = 'required aria-required="true"';
        }
      }
    }
    return join(' ', $validation);
  }

public function renderLabel(array $block, array $formSettings): string {
    $html = '';
    $forId = '';

if (
      isset($block['params']['hide_label'])
      && $block['params']['hide_label']
    ) {
      return $html;
    }

// If the label is displayed within the field,
    // we'll use aria-label instead of a label element
    if (
      isset($block['params']['label_within'])
      && $block['params']['label_within']
    ) {
      return $html;
    }

$automationId = null;
    if (in_array($block['id'], ['email', 'last_name', 'first_name'], true)) {
      $automationId = 'data-automation-id="form_' . $block['id'] . '_label" ';
    }

if (isset($formSettings['id'])) {
      $forId = 'for="form_' . $block['id'] . '_' . $formSettings['id'] . '" ';
    }

if (
      isset($block['params']['label'])
      && strlen(trim($block['params']['label'])) > 0
    ) {
      $labelClass = 'class="mailpoet_' . $block['type'] . '_label" ';

$html .= '<label '
 . $forId
 . $labelClass
 . $this->renderFontStyle($formSettings, $block['styles'] ?? [])
 . ($automationId ? " $automationId" : '')
 . '>';
 $html .= static::getFieldLabel($block);

if (static::getFieldIsRequired($block)) {
 $html .= ' *';
 }

$html .= '</label>';
 }
 return $html;
 }

public function renderLegend(array $block, array $formSettings): string {
    $html = '';

if (
      isset($block['params']['hide_label'])
      && $block['params']['hide_label']
    ) {
      return $html;
    }

if (
 isset($block['params']['label'])
 && strlen(trim($block['params']['label'])) > 0
 ) {
 // Use _label suffix for backward compatibility
 $labelClass = 'class="mailpoet_' . $block['type'] . '_label" ';
 $html .= '<legend '
 . $labelClass
 . $this->renderFontStyle($formSettings, $block['styles'] ?? [])
 . '>';
 $html .= static::getFieldLabel($block);

if (static::getFieldIsRequired($block)) {
 $html .= ' *';
 }

$html .= '</legend>';
 }
 return $html;
 }

public function renderFontStyle(array $formSettings, array $styles = []) {
    $rules = [];
    if (isset($formSettings['fontSize'])) {
      $rules[] = 'font-size: ' . $formSettings['fontSize'] . (is_numeric($formSettings['fontSize']) ? "px;" : ";");
      $rules[] = 'line-height: 1.2;';
    }
    if (isset($styles['bold']) && $styles['bold']) {
      $rules[] = 'font-weight: bold;';
    }
    return $rules ? 'style="' . $this->wp->escAttr(implode("", $rules)) . '"' : '';
  }

public function renderInputPlaceholder(array $block): string {
    $html = '';
    // if the label is displayed as a placeholder,
    if (
      isset($block['params']['label_within'])
      && $block['params']['label_within']
    ) {
      $label = $this->wp->escAttr(static::getFieldLabel($block));
      if (static::getFieldIsRequired($block)) {
        $label .= ' *';
      }
      // Some screen readers don't read placeholders, so we need to add aria-label
      // but to prevent reading it twice, they need to be the same (including *)
      $html .= ' placeholder="' . $label . '"';
      $html .= ' aria-label="' . $label . '" ';
    }
    return $html;
  }

// return field name depending on block data
  public function getFieldName(array $block = []): string {
    $blockId = $this->wp->escAttr($block['id']);
    if ((int)$blockId > 0) {
      return 'cf_' . $blockId;
    } elseif (isset($block['params']['obfuscate']) && !$block['params']['obfuscate']) {
      return $blockId;
    } else {
      return $this->fieldNameObfuscator->obfuscate($block['id']);//obfuscate field name for spambots
    }
  }

public function getFieldLabel(array $block = []): string {
    return (isset($block['params']['label'])
            && strlen(trim($block['params']['label'])) > 0)
            ? $this->wp->escHtml(trim($block['params']['label'])) : '';
  }

public function getFieldValue($block = []) {
    return (isset($block['params']['value'])
            && strlen(trim($block['params']['value'])) > 0)
            ? $this->wp->escAttr(trim($block['params']['value'])) : '';
  }

public function getFieldIsRequired($block = []): bool {
    return (isset($block['params']['required'])
            && strlen(trim($block['params']['required'])) > 0)
            ? !empty($block['params']['required']) : false;
  }

public function getInputModifiers(array $block = []): string {
    $modifiers = [];

if (isset($block['params']['readonly']) && $block['params']['readonly']) {
      $modifiers[] = 'readonly';
    }

if (isset($block['params']['disabled']) && $block['params']['disabled']) {
      $modifiers[] = 'disabled';
    }
    return join(' ', $modifiers);
  }

public function escapeShortCodes(?string $value): ?string {
    if ($value === null) {
      return null;
    }
    return preg_replace_callback('/' . $this->wp->getShortcodeRegex() . '/s', function ($matches) {
      return str_replace(['[', ']'], ['&#91;', '&#93;'], $matches[0]);
    }, $value);
  }

public function renderErrorsContainer(array $block = [], ?int $formId = null): string {
 $errorContainerClass = $this->getErrorsContainerClass($block, $formId);
 return '';
 }

private function getErrorsContainerClass(array $block = [], ?int $formId = null): string {
    $validationId = $block['validation_id'] ?? null;
    if (!$validationId) {
      $validationId = $this->wp->escAttr($block['id']);
      if ($formId) {
        $validationId .= '_' . $formId;
      }
    }
    return 'mailpoet_error_' . $validationId;
  }

private function translateValidationErrorMessage(string $validate): string {
    switch ($validate) {
      case 'email':
        return __('This value should be a valid email.', 'mailpoet');
      case 'url':
        return __('This value should be a valid url.', 'mailpoet');
      case 'number':
        return __('This value should be a valid number.', 'mailpoet');
      case 'integer':
        return __('This value should be a valid integer.', 'mailpoet');
      case 'digits':
        return __('This value should be digits.', 'mailpoet');
      case 'alphanum':
        return __('This value should be alphanumeric.', 'mailpoet');
      default:
        return __('This value seems to be invalid.', 'mailpoet');
    }
  }
}

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