Martin Slachta
83 lines
3.1 KiB
PHP
83 lines
3.1 KiB
PHP
<?php
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class RsvTextFieldElementHandler implements RsvFormElementHandler {
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/** @return array<string, array{0: callable, 1: string}> */
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private function rules(): array {
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return [
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'email' => ['is_email', 'Please enter a valid email address.'],
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'phone' => [$this->regexPredicate('\+?[0-9 ()\-]{6,20}'), 'Please enter a valid phone number.'],
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'digits' => [$this->regexPredicate('[0-9]+'), 'Please enter digits only.'],
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];
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}
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private function regexPredicate(string $pattern): callable {
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return fn($value): bool => (bool) @preg_match('~^(?:' . $pattern . ')$~u', (string) $value);
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}
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/** @return array{0:string,1:callable,2:string}|null */
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private function resolveRule(RsvFormElementDefinition $def): ?array {
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$name = $def->getAttr('validation', '');
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if ($name === '') {
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return null;
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}
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if ($name === 'pattern') {
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$pattern = $def->getAttr('pattern', '');
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if ($pattern === '') {
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return null;
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}
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return ['pattern', $this->regexPredicate($pattern), $def->getAttr('pattern_message', '') ?: 'Invalid format.'];
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}
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$rules = $this->rules();
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if (isset($rules[$name])) {
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return [$name, $rules[$name][0], $rules[$name][1]];
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}
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return null;
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}
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public function draw(RsvFormElementDefinition $def): void {
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$validation = $def->getAttr('validation', '');
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$type = match ($validation) {
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'email' => 'email',
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'phone' => 'tel',
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'digits' => 'number',
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default => 'text',
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};
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$pattern = $validation === 'pattern' ? $def->getAttr('pattern', '') : '';
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?>
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<div class="rsv-form-input-group rsv-form-input-short">
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<label class="rsv-form-label"><?= $def->getLabel() ?>:</label>
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<input class="rsv-form-input rsv-form-field" type="<?= $type ?>" name="<?= $def->getName() ?>"<?= $pattern !== '' ? ' pattern="' . esc_attr($pattern) . '"' : '' ?> <?= $def->isRequired() ? "required" : "" ?>/>
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<small class="rsv-form-small"><?= $def->getDesc() ?></small>
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</div>
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<?php
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}
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public function submit(RsvFormElementDefinition $def, int $submit_id, array $data, RsvFormSubmitResult $result): bool {
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$name = $def->getName();
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$value = $data[$name] ?? null;
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if ($def->isRequired() && (is_null($value) || $value === "")) {
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$result->addError($name, 'required', 'Field is required');
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return false;
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}
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$rule = $this->resolveRule($def);
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if ($rule !== null && !is_null($value) && $value !== "") {
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[$code, $predicate, $message] = $rule;
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if (!$predicate($value)) {
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$result->addError($name, $code, $message);
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return false;
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}
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}
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$result->setValue($name, sanitize_text_field($value));
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return true;
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}
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public function rollback(RsvFormElementDefinition $def, int $submit_id, array $data, RsvFormSubmitResult $result): void {
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// No side effects to undo.
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}
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}
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