Develop

README.md

@@ -35,3 +35,5 @@ Install Prettier Extention and use this [VSCode settings](https://mate-academy.g
 1. Implement comment deletion
     - Delete the commnet immediately not waiting for the server response to improve the UX.
 1. (*) Handle `Add` and `Delete` errors so the user can retry
+
+[DEMO] (https://oleksandrakoshyk.github.io/react_dynamic-list-of-posts/)

src/App.scss

@@ -1,3 +1,12 @@
+.section {
+  padding: 3rem;
+  margin: 0;
+}
+
+.container {
+  max-width: 1344;
+}
+
 .Sidebar {
   overflow: hidden;
   opacity: 0;
@@ -21,3 +30,23 @@
 .message-body {
   white-space: pre-line;
 }
+
+.is-ancestor {
+  display: flex;
+  align-items: stretch;
+  flex: 1 1 0px;
+
+}
+
+.is-parent {
+  display: flex;
+  align-items: stretch;
+  flex: 1 1 0px;
+  min-height: min-content;
+  padding: 12px;
+  width: 100%;
+}
+
+.is-child {
+  width: 100%;
+}

src/App.tsx

@@ -4,57 +4,113 @@ import 'bulma/css/bulma.css';
 import '@fortawesome/fontawesome-free/css/all.css';
 import './App.scss';
 
+import React, { useEffect, useState } from 'react';
+
 import { PostsList } from './components/PostsList';
 import { PostDetails } from './components/PostDetails';
 import { UserSelector } from './components/UserSelector';
 import { Loader } from './components/Loader';
+import { User } from './types/User';
+import { client } from './utils/fetchClient';
+import { Post } from './types/Post';
 
-export const App = () => (
-  <main className="section">
-    <div className="container">
-      <div className="tile is-ancestor">
-        <div className="tile is-parent">
-          <div className="tile is-child box is-success">
-            <div className="block">
-              <UserSelector />
-            </div>
+export const App: React.FC = () => {
+  const [users, setUsers] = useState<User[]>([]);
+  const [posts, setPosts] = useState<Post[]>([]);
+  const [selectedUser, setSelectedUser] = useState<User | null>(null);
+  const [isLoading, setIsLoading] = useState(false);
+  const [selectedPost, setSelectedPost] = useState<Post | null>(null);
+  const [error, setError] = useState(false);
 
-            <div className="block" data-cy="MainContent">
-              <p data-cy="NoSelectedUser">No user selected</p>
+  useEffect(() => {
+    client.get<User[]>('/users').then(res => {
+      setUsers(res);
+    });
+  }, []);
 
-              <Loader />
+  useEffect(() => {
+    if (selectedUser) {
+      setIsLoading(true);
+      setPosts([]);
+      setSelectedPost(null);
+      client
+        .get<Post[]>(`/posts?userId=${selectedUser.id}`)
+        .then(res => {
+          setPosts(res);
+        })
+        .catch(() => setError(true))
+        .finally(() => setIsLoading(false));
+    }
+  }, [selectedUser]);
 
-              <div
-                className="notification is-danger"
-                data-cy="PostsLoadingError"
-              >
-                Something went wrong!
+  return (
+    <main className="section">
+      <div className="container">
+        <div className="tile is-ancestor">
+          <div className="tile is-parent">
+            <div className="tile is-child box is-success">
+              <div className="block">
+                <UserSelector
+                  users={users}
+                  onChange={setSelectedUser}
+                  selectedUser={selectedUser}
+                />
               </div>
 
-              <div className="notification is-warning" data-cy="NoPostsYet">
-                No posts yet
-              </div>
+              <div className="block" data-cy="MainContent">
+                {!selectedUser && (
+                  <p data-cy="NoSelectedUser">No user selected</p>
+                )}
+
+                {isLoading && <Loader />}
+
+                {error && (
+                  <div
+                    className="notification is-danger"
+                    data-cy="PostsLoadingError"
+                  >
+                    Something went wrong!
+                  </div>
+                )}
 
-              <PostsList />
+                {!error &&
+                  !!selectedUser &&
+                  !isLoading &&
+                  (!posts.length ? (
+                    <div
+                      className="notification is-warning"
+                      data-cy="NoPostsYet"
+                    >
+                      No posts yet
+                    </div>
+                  ) : (
+                    <PostsList
+                      posts={posts}
+                      selectedPostId={selectedPost?.id}
+                      onPostSelected={setSelectedPost}
+                    />
+                  ))}
+              </div>
             </div>
           </div>
-        </div>
-
-        <div
-          data-cy="Sidebar"
-          className={classNames(
-            'tile',
-            'is-parent',
-            'is-8-desktop',
-            'Sidebar',
-            'Sidebar--open',
-          )}
-        >
-          <div className="tile is-child box is-success ">
-            <PostDetails />
+          <div
+            data-cy="Sidebar"
+            className={classNames(
+              'tile',
+              'is-parent',
+              'is-8-desktop',
+              'Sidebar',
+              { 'Sidebar--open': !!selectedPost },
+            )}
+          >
+            <div className="tile is-child box is-success ">
+              {!!selectedPost && (
+                <PostDetails post={selectedPost} key={selectedPost.id} />
+              )}
+            </div>
           </div>
         </div>
       </div>
-    </div>
-  </main>
-);
+    </main>
+  );
+};