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Открывается и закрывается (часть 2) #13

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merged 2 commits into from
Dec 18, 2024
Merged

Открывается и закрывается (часть 2) #13

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b18a680
realized functionality for loading comments
Daniil888-m Dec 14, 2024
676597c
realized point 4.8
Daniil888-m Dec 18, 2024
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67 changes: 44 additions & 23 deletions js/big-picture-popup.js
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Original file line number Diff line number Diff line change
@@ -1,47 +1,69 @@
import { COMMENTS_STEP } from './consts.js';
import { getPhotos } from './get-photos.js';
import { hide, show } from './utils.js';
const photos = getPhotos();
const bigPhotoPopup = document.querySelector('.big-picture');
const popupCancelElement = document.querySelector('.big-picture__cancel');
const commentsLoadBtn = bigPhotoPopup.querySelector('.comments-loader');

let currentComments = null;
let currentCommentsCount = 0;

function onEscapeKeydown(e) {
if (e.key === 'Escape') {
hidePhotoPopup(e);
}
}

function renderComments(comments) {
const commentFragmentList = document.createDocumentFragment();
comments.forEach((comment) => {
const commEl = document.createElement('li');
commEl.className = 'social__comment';
function onLoadBtnClick(e) {
e.preventDefault();
loadComments();
}

function loadComments() {
if (currentComments.length > currentCommentsCount) {
currentComments.slice(currentCommentsCount, currentCommentsCount + COMMENTS_STEP).forEach((comment) => {
const commEl = document.createElement('li');
commEl.className = 'social__comment';

const imgEl = document.createElement('img');
imgEl.className = 'social__picture';
imgEl.src = comment.avatar;
imgEl.alt = comment.name;
imgEl.width = 35;
imgEl.height = 35;
const imgEl = document.createElement('img');
imgEl.className = 'social__picture';
imgEl.src = comment.avatar;
imgEl.alt = comment.name;
imgEl.width = 35;
imgEl.height = 35;

const pEl = document.createElement('p');
pEl.className = 'social__text';
pEl.textContent = comment.message;
const pEl = document.createElement('p');
pEl.className = 'social__text';
pEl.textContent = comment.message;

commEl.append(imgEl);
commEl.append(pEl);
commentFragmentList.append(commEl);
commEl.append(imgEl);
commEl.append(pEl);
bigPhotoPopup.querySelector('.social__comments').append(commEl);
currentCommentsCount++;
});

});
bigPhotoPopup.querySelector('.social__comment-shown-count').textContent = bigPhotoPopup.querySelectorAll('.social__comment').length;
}
}

function clearComments() {
bigPhotoPopup.querySelector('.social__comments').innerHTML = '';
bigPhotoPopup.querySelector('.social__comments').append(commentFragmentList);
currentCommentsCount = 0;
}

function renderComments(comments) {
clearComments();
currentComments = comments;
loadComments();
}
function hidePhotoPopup(e) {
e.preventDefault();
clearComments();
hide(bigPhotoPopup);
document.removeEventListener('keydown', onEscapeKeydown);
document.body.classList.remove('modal-open');

}
function showPhotoPopup() {
document.body.classList.add('modal-open');
Expand All @@ -56,14 +78,13 @@ function openBigPhotoPopup(photoId) {
renderComments(currentPhoto.comments);
bigPhotoPopup.querySelector('.big-picture__img img').src = currentPhoto.url;
bigPhotoPopup.querySelector('.likes-count').textContent = currentPhoto.likes.length;
bigPhotoPopup.querySelector('.social__comment-shown-count').textContent = currentPhoto.comments.length;
bigPhotoPopup.querySelector('.social__comment-total-count').textContent = currentPhoto.comments.length;
bigPhotoPopup.querySelector('.social__caption').textContent = currentPhoto.description;
hide(bigPhotoPopup.querySelector('.social__comment-shown-count'));
hide(bigPhotoPopup.querySelector('.comments-loader'));
bigPhotoPopup.querySelector('.likes-count').textContent = currentPhoto.likes;

}
}

popupCancelElement.addEventListener('click', hidePhotoPopup);

commentsLoadBtn.addEventListener('click', onLoadBtnClick);
export { openBigPhotoPopup };
3 changes: 2 additions & 1 deletion js/consts.js
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Original file line number Diff line number Diff line change
Expand Up @@ -36,5 +36,6 @@ const MESSAGES = [
'Лица у людей на фотке перекошены, как будто их избивают.Как можно было поймать такой неудачный момент ? !',
];
const PHOTOS_COUNT = 25;
const COMMENTS_STEP = 5;

export { NAMES, DESCRIPTIONS, MESSAGES, PHOTOS_COUNT };
export { NAMES, DESCRIPTIONS, MESSAGES, PHOTOS_COUNT, COMMENTS_STEP };
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