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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; under version 2 |
| 7 | * of the License (non-upgradable). |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * |
| 18 | * Copyright (c) 2022 (original work) Open Assessment Technologies SA. |
| 19 | */ |
| 20 | |
| 21 | declare(strict_types=1); |
| 22 | |
| 23 | namespace oat\tao\helpers\form\Feeder; |
| 24 | |
| 25 | use tao_helpers_Uri; |
| 26 | use RuntimeException; |
| 27 | use tao_helpers_form_Form; |
| 28 | use InvalidArgumentException; |
| 29 | use tao_helpers_form_Validator; |
| 30 | use tao_helpers_form_FormElement; |
| 31 | use tao_helpers_form_elements_Textbox; |
| 32 | use tao_helpers_form_elements_Textarea; |
| 33 | |
| 34 | class SanitizerValidationFeeder implements SanitizerValidationFeederInterface |
| 35 | { |
| 36 | private const ALLOWED_WIDGETS = [ |
| 37 | tao_helpers_form_elements_Textbox::WIDGET_ID, |
| 38 | tao_helpers_form_elements_Textarea::WIDGET_ID, |
| 39 | ]; |
| 40 | |
| 41 | /** @var tao_helpers_form_Form */ |
| 42 | private $form; |
| 43 | |
| 44 | /** @var tao_helpers_form_Validator[] */ |
| 45 | private $validators = []; |
| 46 | |
| 47 | /** @var tao_helpers_form_FormElement[] */ |
| 48 | private $elements = []; |
| 49 | |
| 50 | public function setForm(tao_helpers_form_Form $form): SanitizerValidationFeederInterface |
| 51 | { |
| 52 | $this->form = $form; |
| 53 | |
| 54 | return $this; |
| 55 | } |
| 56 | |
| 57 | public function addValidator(tao_helpers_form_Validator $validator): SanitizerValidationFeederInterface |
| 58 | { |
| 59 | $this->validators[] = $validator; |
| 60 | |
| 61 | return $this; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * @inheritDoc |
| 66 | */ |
| 67 | public function addElement(tao_helpers_form_FormElement $element): SanitizerValidationFeederInterface |
| 68 | { |
| 69 | $this->assertHasForm(); |
| 70 | |
| 71 | if ($this->isElementValid($element) && $this->form->hasElement(tao_helpers_Uri::encode($element->getName()))) { |
| 72 | $this->elements[] = $element; |
| 73 | } |
| 74 | |
| 75 | return $this; |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * @inheritDoc |
| 80 | */ |
| 81 | public function addElementByUri(string $elementUri): SanitizerValidationFeederInterface |
| 82 | { |
| 83 | $this->assertHasForm(); |
| 84 | |
| 85 | $element = $this->form->getElement(tao_helpers_Uri::encode($elementUri)); |
| 86 | |
| 87 | if ($element !== null && $this->isElementValid($element)) { |
| 88 | $this->elements[] = $element; |
| 89 | } |
| 90 | |
| 91 | return $this; |
| 92 | } |
| 93 | |
| 94 | public function feed(): void |
| 95 | { |
| 96 | if (empty($this->validators)) { |
| 97 | return; |
| 98 | } |
| 99 | |
| 100 | foreach ($this->elements as $element) { |
| 101 | if (empty($this->getValue($element))) { |
| 102 | continue; |
| 103 | } |
| 104 | |
| 105 | foreach ($this->validators as $validator) { |
| 106 | $element->addValidator($validator); |
| 107 | } |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | private function getValue(tao_helpers_form_FormElement $element): ?string |
| 112 | { |
| 113 | return $element->getInputValue() ?? $element->getRawValue(); |
| 114 | } |
| 115 | |
| 116 | private function assertHasForm(): void |
| 117 | { |
| 118 | if (!isset($this->form)) { |
| 119 | throw new RuntimeException('Cannot add element because form is not set'); |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | private function isElementValid(tao_helpers_form_FormElement $element): bool |
| 124 | { |
| 125 | return in_array($element->getWidget(), self::ALLOWED_WIDGETS, true); |
| 126 | } |
| 127 | } |