Merge pull request #14 from Daniil888-m/module9-task1

Правда или действие

index.html

@@ -31,7 +31,7 @@ <h2 class="pictures__title  visually-hidden">Фотографии других 
       <section class="img-upload">
         <div class="img-upload__wrapper">
           <h2 class="img-upload__title  visually-hidden">Загрузка фотографии</h2>
-          <form class="img-upload__form" id="upload-select-image" autocomplete="off">
+          <form action="https://31.javascript.htmlacademy.pro/kekstagram" method="POST" enctype="multipart/form-data" class="img-upload__form" id="upload-select-image" autocomplete="off">
 
             <!-- Изначальное состояние поля для загрузки изображения -->
             <fieldset class="img-upload__start">
@@ -234,6 +234,7 @@ <h2 class="success__title">Изображение успешно загруже
       <h2 class="data-error__title">Не удалось загрузить данные</h2>
     </section>
   </template>
+  <script src="vendor/pristine/pristine.min.js"></script>
   <script src="js/main.js" type="module"></script>
   <script src="js/functions.js"></script>
 </body>

js/main.js

@@ -1,5 +1,6 @@
 import { renderPictures } from './render-pictures.js';
 import { openBigPhotoPopup } from './big-picture-popup.js';
+import './upload-form.js';
 
 renderPictures();
 

js/upload-form.js

@@ -0,0 +1,116 @@
+import { show, hide } from './utils.js';
+const uploadForm = document.querySelector('#upload-select-image');
+const uploadInput = uploadForm.querySelector('.img-upload__input');
+const uploadOverlay = uploadForm.querySelector('.img-upload__overlay');
+const hashtagsInput = uploadForm.querySelector('.text__hashtags');
+const descriptionInput = uploadForm.querySelector('.text__description');
+const uploadFormCancelElem = uploadForm.querySelector('.img-upload__cancel');
+const HASHTAGS_ERRORS = {
+  maxCount: 'Максимум 5 хэштегов',
+  invalidHashtag: 'Хэштег начинается с символа # и состоит только из букв и цифр и не превышает длину 20 символов',
+  repeatedHashtags: 'Хэштеги не должны повторяться'
+};
+const HASHTAGS_MAX_COUNT = 5;
+const MAX_DESCRIPTION_LETTERS_COUNT = 140;
+
+function parseHashtags(hashtags) {
+  return hashtags.trim().split(' ').map((hashtag) => hashtag.toLowerCase());
+}
+
+const pristine = new Pristine(uploadForm, {
+  classTo: 'img-upload__form',
+  succesClass: 'has-success',
+  errorClass: '--error',
+  errorTextParent: 'img-upload__field-wrapper',
+  errorTextClass: 'img-upload__field-wrapper',
+
+}, true);
+
+pristine.addValidator(hashtagsInput, (value) => {
+  if (value.length) {
+    const hashtags = parseHashtags(value);
+    const uniqueHashtags = new Set(hashtags);
+    if (uniqueHashtags.size !== hashtags.length) {
+      return false;
+    }
+  }
+  return true;
+
+}, HASHTAGS_ERRORS.repeatedHashtags);
+pristine.addValidator(hashtagsInput, (value) => {
+  if (value.length) {
+    const hashtags = parseHashtags(value);
+
+    if (hashtags.length > HASHTAGS_MAX_COUNT) {
+      return false;
+    }
+  }
+  return true;
+
+}, HASHTAGS_ERRORS.maxCount);
+pristine.addValidator(hashtagsInput, (value) => {
+  if (value.length) {
+    const hashtags = parseHashtags(value);
+
+    return hashtags.every((hashtag) => {
+      const hashRegExp = /^#[a-zа-яё0-9]{1,19}$/i;
+      return hashRegExp.test(hashtag);
+    });
+  }
+  return true;
+}, HASHTAGS_ERRORS.invalidHashtag);
+
+hashtagsInput.addEventListener('keydown', (e) => {
+  if (e.key === 'Escape') {
+    e.stopPropagation();
+  }
+});
+
+descriptionInput.addEventListener('keydown', (e) => {
+  if (e.key === 'Escape') {
+    e.stopPropagation();
+  }
+});
+pristine.addValidator(descriptionInput, (value) => {
+  if (value.length) {
+    if (value.length > MAX_DESCRIPTION_LETTERS_COUNT) {
+      return false;
+    }
+  }
+  return true;
+}, 'Максимальная длина комментария 140 символов');
+function onUploadOverlayKeydown(e) {
+  if (e.key === 'Escape') {
+    closeUploadOverlay();
+  }
+}
+
+function closeUploadOverlay(e) {
+  document.removeEventListener('keydown', onUploadOverlayKeydown);
+  if (e) {
+    e.preventDefault();
+  }
+  hide(uploadOverlay);
+  document.body.classList.remove('modal-open');
+  uploadForm.reset();
+}
+
+uploadInput.addEventListener('change', () => {
+  showUploadOverlay();
+  document.addEventListener('keydown', onUploadOverlayKeydown);
+});
+
+function showUploadOverlay() {
+  show(uploadOverlay);
+  document.body.classList.add('modal-open');
+}
+
+uploadFormCancelElem.addEventListener('click', closeUploadOverlay);
+uploadForm.addEventListener('submit', (e) => {
+  if (!pristine.validate()) {
+    e.preventDefault();
+
+  }
+
+});
+