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FunctionProject/website/components/FunctionPage/FunctionComments/FunctionComments.jsx
2020-08-03 12:11:08 +02:00

115 lines
4.5 KiB
JavaScript

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