113 lines
5.0 KiB
JavaScript
113 lines
5.0 KiB
JavaScript
import { Fragment, useState, useEffect, useContext, useRef, useCallback } from 'react';
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import Link from 'next/link';
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import { UserContext } from '../../contexts/UserContext';
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import CommentCard from '../CommentCard/CommentCard';
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import Loader from '../Loader';
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import api from '../../utils/api';
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import './FunctionComments.css';
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const FunctionComments = ({ functionId }) => {
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// State pour poster un commentaire
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const { isAuth, user } = useContext(UserContext);
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const [inputState, setInputState] = useState({});
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// State pour afficher les commentaires
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const [commentsData, setCommentsData] = useState({ hasMore: true, rows: [] });
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const [isLoadingComments, setLoadingComments] = useState(true);
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const [pageComments, setPageComments] = useState(1);
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// Permet la pagination au scroll
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const observer = useRef();
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const lastCommentCardRef = useCallback((node) => {
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if (isLoadingComments) return;
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if (observer.current) observer.current.disconnect();
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observer.current = new IntersectionObserver((entries) => {
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if (entries[0].isIntersecting && commentsData.hasMore) {
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setPageComments(pageComments + 1);
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}
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}, { threshold: 1 });
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if (node) observer.current.observe(node);
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}, [isLoadingComments, commentsData.hasMore]);
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const getCommentsData = () => {
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setLoadingComments(true);
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return new Promise(async (next) => {
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const result = await api.get(`/comments/${functionId}/?page=${pageComments}&limit=10`);
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setLoadingComments(false);
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next(result.data);
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});
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}
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// Récupère les commentaires si la page change
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useEffect(() => {
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getCommentsData().then((data) => setCommentsData({
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hasMore: data.hasMore,
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rows: [...commentsData.rows, ...data.rows]
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}));
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}, [pageComments]);
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const handleChange = (event) => {
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const inputStateNew = { ...inputState };
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inputStateNew[event.target.name] = event.target.value;
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setInputState(inputStateNew);
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}
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const handleSubmit = async (event) => {
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event.preventDefault();
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const token = user.token;
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if (isAuth && token != undefined && inputState.commentPost != undefined) {
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try {
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const response = await api.post(`/comments/${functionId}`, { message: inputState.commentPost }, { headers: { 'Authorization': token } });
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const comment = { ...response.data, user: { name: user.name, logo: user.logo } };
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setCommentsData({ hasMore: commentsData.hasMore, rows: [comment, ...commentsData.rows] });
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setInputState({});
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} catch { }
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}
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}
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return (
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<Fragment>
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<div className="FunctionComments__post container-fluid">
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<div className="row FunctionComments__row">
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<div className="col-24">
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{
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(isAuth) ?
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<form onSubmit={handleSubmit}>
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<div className="form-group FunctionComments__post-group">
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<label className="form-label" htmlFor="commentPost">Ajouter un commentaire :</label>
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<textarea className="FunctionComments__textarea form-control" value={inputState.commentPost} onChange={handleChange} name="commentPost" id="commentPost" placeholder="Idée d'amélioration, avis, remarque, partage d'expérience personnel, ..."></textarea>
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</div>
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<div className="form-group" style={{ marginTop: '0.7em' }}>
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<button type="submit" className="btn btn-dark">Envoyer</button>
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</div>
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</form>
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:
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<p className="text-center">
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Vous devez être <Link href={'/login'}><a>connecté</a></Link> pour poster un commentaire.
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</p>
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}
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</div>
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</div>
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</div>
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<div className="container-fluid">
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{isLoadingComments &&
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<div className="row justify-content-center">
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<Loader />
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</div>
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}
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<div className="row justify-content-center">
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{commentsData.rows.map((comment, index) => {
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// Si c'est le dernier élément
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if (commentsData.rows.length === index + 1) {
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return <CommentCard key={comment.id} ref={lastCommentCardRef} { ...comment } />;
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}
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return <CommentCard key={comment.id} { ...comment } />;
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})}
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</div>
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</div>
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</Fragment>
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);
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}
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export default FunctionComments; |