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