Merge branch 'master' of https://codefirst.iut.uca.fr/git/noan.randon/Favor

Site Web/client/src/components/Post/NouveauDisplayPosts.js

@@ -0,0 +1,45 @@
+import React, { useEffect, useState } from 'react';
+import { useDispatch, useSelector } from 'react-redux';
+import { getPosts } from '../../actions/post.actions';
+import { isEmpty } from "../Utils";
+import Post from './PostNouvelleAffichage';
+
+const NouveauDisplayPosts = () => {
+    const [loadPost, setLoadPost] = useState(true);
+    const [count , setCount] = useState(5);
+    const dispatch = useDispatch();
+    const postsData = useSelector((state) => state.post.post);
+    
+    const loadMore = () => {
+        if (window.innerHeight + document.documentElement.scrollTop + 1 > document.scrollingElement.scrollHeight){
+            setLoadPost(true);
+        }
+    }
+
+    useEffect(() => {
+        if (loadPost) {
+            dispatch(getPosts(count));
+            setLoadPost(false);
+            setCount(count + 5);
+        }
+        window.addEventListener('scroll', loadMore);
+        return () => window.removeEventListener('scroll',loadMore);
+    }, [loadPost,dispatch,count])
+
+    if (loadPost || (postsData === null || isEmpty(postsData)) ) {
+        return <p>Loading...</p>;
+    }
+
+
+    return (
+        <div>
+            <ul>
+                { postsData === null && !isEmpty(postsData[0]) && postsData.map((post) => {
+                        return <Post post={post} key={post._id}/>
+                    })}
+            </ul>
+        </div>
+    );
+};
+
+export default NouveauDisplayPosts;