This repository has been archived on 2024-10-29. You can view files and clone it, but cannot push or open issues or pull requests.
FunctionProject/frontend/pages/functions.js
2020-03-21 18:24:10 +01:00

100 lines
4.7 KiB
JavaScript

import { Fragment, useState, useEffect, useRef, useCallback } from 'react';
import HeadTag from '../components/HeadTag';
import FunctionCard from '../components/FunctionCard/FunctionCard';
import Loader from '../components/Loader/Loader';
import '../public/css/pages/functions.css';
import { API_URL } from '../config/config';
import api from '../config/api';
import useAPI from '../hooks/useAPI';
const Functions = () => {
// State de recherche et de catégories
const [, categories] = useAPI('/categories');
const [inputSearch, setInputSearch] = useState({ search: "", selectedCategory: "0" });
// State pour afficher les fonctions
const [functionsData, setFunctionsData] = useState({ hasMore: true, rows: [] });
const [isLoadingFunctions, setLoadingFunctions] = useState(true);
const [pageFunctions, setPageFunctions] = useState(1);
// Permet la pagination au scroll
const observer = useRef();
const lastFunctionCardRef = useCallback((node) => {
if (isLoadingFunctions) return;
if (observer.current) observer.current.disconnect();
observer.current = new IntersectionObserver((entries) => {
if (entries[0].isIntersecting && functionsData.hasMore) {
setPageFunctions(pageFunctions + 1);
}
}, { threshold: 1 });
if (node) observer.current.observe(node);
}, [isLoadingFunctions, functionsData.hasMore]);
const getFunctionsData = () => {
setLoadingFunctions(true);
return new Promise(async (next) => {
const result = await api.get(`/functions?page=${pageFunctions}&limit=10&categoryId=${inputSearch.selectedCategory}&search=${inputSearch.search}`);
setLoadingFunctions(false);
next(result.data);
});
}
// Récupère les fonctions si la page change
useEffect(() => {
getFunctionsData().then((data) => setFunctionsData({
hasMore: data.hasMore,
rows: [...functionsData.rows, ...data.rows]
}));
}, [pageFunctions]);
// Récupère les fonctions si la catégorie/recherche change
useEffect(() => {
getFunctionsData().then((data) => setFunctionsData(data));
}, [inputSearch.selectedCategory, inputSearch.search]);
const handleChange = (event) => {
const inputSearchNew = { ...inputSearch };
inputSearchNew[event.target.name] = event.target.value;
setInputSearch(inputSearchNew);
}
return (
<Fragment>
<HeadTag
title="Fonctions"
description="Liste des fonctions."
image="/images/FunctionProject_icon_small.png"
/>
<div className="container text-center">
<div className="row justify-content-center">
<h1 className="Functions__title">Fonctions</h1>
</div>
<div className="Functions__search-container row justify-content-center">
<select name="selectedCategory" value={inputSearch.selectedCategory} onChange={handleChange} className="Functions__select form-control">
<option value="0">Toutes catégories</option>
{categories.map((category) => (
<option key={category.id} value={category.id} className="Functions__select-option" style={{ backgroundColor: category.color }}>{category.name}</option>
))}
</select>
<input value={inputSearch.search} onChange={handleChange} type="search" className="form-control Functions__search-input" name="search" id="search" placeholder="🔎 Rechercher..."></input>
</div>
<div className="row justify-content-center">
{functionsData.rows.map((f, index) => {
// Si c'est le dernier élément
if (functionsData.rows.length === index + 1) {
return <FunctionCard ref={lastFunctionCardRef} key={f.id} slug={f.slug} image={API_URL + f.image} title={f.title} description={f.description} category={f.categorie} publicationDate={new Date(f.createdAt).toLocaleDateString('fr-FR')} />;
}
return <FunctionCard key={f.id} slug={f.slug} image={API_URL + f.image} title={f.title} description={f.description} category={f.categorie} publicationDate={new Date(f.createdAt).toLocaleDateString('fr-FR')} />;
})}
</div>
{isLoadingFunctions && <Loader width="100px" height="100px" />}
</div>
</Fragment>
);
}
export default Functions;