not final version

src/App.tsx

@@ -7,54 +7,61 @@ import './App.scss';
 import { PostsList } from './components/PostsList';
 import { PostDetails } from './components/PostDetails';
 import { UserSelector } from './components/UserSelector';
-import { Loader } from './components/Loader';
-
-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>
+import { useState } from 'react';
+import { Post } from './types/Post';
 
-            <div className="block" data-cy="MainContent">
-              <p data-cy="NoSelectedUser">No user selected</p>
+export const App = () => {
+  const [selectedUser, setSelectedUser] = useState<number | null>(null);
+  const [selectedPost, setSelectedPost] = useState<Post | null>(null);
+  const [postId, setPostId] = useState<number>();
 
-              <Loader />
+  const handleUserSelect = (id: number) => {
+    setSelectedUser(id);
+  };
 
-              <div
-                className="notification is-danger"
-                data-cy="PostsLoadingError"
-              >
-                Something went wrong!
-              </div>
+  const handlePostSelect = (post: Post) => {
+    setSelectedPost(post);
+    setPostId(post.id);
+  };
 
-              <div className="notification is-warning" data-cy="NoPostsYet">
-                No posts yet
+  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 onUserSelect={handleUserSelect} />
               </div>
 
-              <PostsList />
+              <div className="block" data-cy="MainContent">
+                {!selectedUser && (
+                  <p data-cy="NoSelectedUser">No user selected</p>
+                )}
+
+                {selectedUser && (
+                  <PostsList userId={selectedUser} onOpen={handlePostSelect} />
+                )}
+              </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 ">
+              <PostDetails post={selectedPost} postId={postId} />
+            </div>
           </div>
         </div>
       </div>
-    </div>
-  </main>
-);
+    </main>
+  );
+};

src/components/NewCommentForm.tsx

@@ -1,8 +1,97 @@
-import React from 'react';
+import classNames from 'classnames';
+import React, { useState } from 'react';
+import { Comment } from '../types/Comment';
+import { client } from '../utils/fetchClient';
+
+interface Props {
+  postId: number;
+  onAddComment: (newComment: Comment) => void;
+}
+
+export const NewCommentForm: React.FC<Props> = ({ postId, onAddComment }) => {
+  const [name, setName] = useState('');
+  const [email, setEmail] = useState('');
+  const [comment, setComment] = useState('');
+  const [nameError, setNameError] = useState(false);
+  const [emailError, setEmailError] = useState(false);
+  const [commentError, setCommentError] = useState(false);
+  const [loading, setLoading] = useState(false);
+
+  function handleNameChange(event: React.ChangeEvent<HTMLInputElement>) {
+    setName(event.target.value);
+    setNameError(false);
+  }
+
+  function handleEmailChange(event: React.ChangeEvent<HTMLInputElement>) {
+    setEmail(event.target.value);
+    setEmailError(false);
+  }
+
+  function handleCommentChange(event: React.ChangeEvent<HTMLTextAreaElement>) {
+    setComment(event.target.value);
+    setCommentError(false);
+  }
+
+  const validate = (names: string, emaill: string, coment: string) => {
+    let isValid = true;
+
+    if (!names.trim()) {
+      setNameError(true);
+      isValid = false;
+    }
+
+    if (!emaill.trim() || !/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(emaill)) {
+      setEmailError(true);
+      isValid = false;
+    }
+
+    if (!coment.trim()) {
+      setCommentError(true);
+      isValid = false;
+    }
+
+    return isValid;
+  };
+
+  const reset = () => {
+    setName('');
+    setEmail('');
+    setComment('');
+    setNameError(false);
+    setEmailError(false);
+    setCommentError(false);
+  };
+
+  const handleSubmit = async (event: React.FormEvent<HTMLFormElement>) => {
+    event.preventDefault();
+
+    if (!validate(name, email, comment)) {
+      return; // Вихід, якщо валідація не пройдена
+    }
+
+    const newComment: Comment = {
+      id: Date.now(),
+      postId,
+      name,
+      email,
+      body: comment,
+    };
+
+    try {
+      setLoading(true);
+
+      const response = await client.post<Comment>('/comments', newComment);
+
+      onAddComment(response);
+      reset();
+    } catch {
+    } finally {
+      setLoading(false);
+    }
+  };
 
-export const NewCommentForm: React.FC = () => {
   return (
-    <form data-cy="NewCommentForm">
+    <form data-cy="NewCommentForm" noValidate onSubmit={handleSubmit}>
       <div className="field" data-cy="NameField">
         <label className="label" htmlFor="comment-author-name">
           Author Name
@@ -14,24 +103,30 @@ export const NewCommentForm: React.FC = () => {
             name="name"
             id="comment-author-name"
             placeholder="Name Surname"
-            className="input is-danger"
+            className={classNames('input', { 'is-danger': nameError })}
+            value={name}
+            onChange={handleNameChange}
           />
 
           <span className="icon is-small is-left">
             <i className="fas fa-user" />
           </span>
 
-          <span
-            className="icon is-small is-right has-text-danger"
-            data-cy="ErrorIcon"
-          >
-            <i className="fas fa-exclamation-triangle" />
-          </span>
+          {nameError && (
+            <span
+              className="icon is-small is-right has-text-danger"
+              data-cy="ErrorIcon"
+            >
+              <i className="fas fa-exclamation-triangle" />
+            </span>
+          )}
         </div>
 
-        <p className="help is-danger" data-cy="ErrorMessage">
-          Name is required
-        </p>
+        {nameError && (
+          <p className="help is-danger" data-cy="ErrorMessage">
+            Name is required
+          </p>
+        )}
       </div>
 
       <div className="field" data-cy="EmailField">
@@ -45,24 +140,30 @@ export const NewCommentForm: React.FC = () => {
             name="email"
             id="comment-author-email"
             placeholder="[email protected]"
-            className="input is-danger"
+            className={classNames('input', { 'is-danger': emailError })}
+            value={email}
+            onChange={handleEmailChange}
           />
 
           <span className="icon is-small is-left">
             <i className="fas fa-envelope" />
           </span>
 
-          <span
-            className="icon is-small is-right has-text-danger"
-            data-cy="ErrorIcon"
-          >
-            <i className="fas fa-exclamation-triangle" />
-          </span>
+          {emailError && (
+            <span
+              className="icon is-small is-right has-text-danger"
+              data-cy="ErrorIcon"
+            >
+              <i className="fas fa-exclamation-triangle" />
+            </span>
+          )}
         </div>
 
-        <p className="help is-danger" data-cy="ErrorMessage">
-          Email is required
-        </p>
+        {emailError && (
+          <p className="help is-danger" data-cy="ErrorMessage">
+            Email is required
+          </p>
+        )}
       </div>
 
       <div className="field" data-cy="BodyField">
@@ -75,25 +176,36 @@ export const NewCommentForm: React.FC = () => {
             id="comment-body"
             name="body"
             placeholder="Type comment here"
-            className="textarea is-danger"
+            className={classNames('textarea', { 'is-danger': commentError })}
+            value={comment}
+            onChange={handleCommentChange}
           />
         </div>
 
-        <p className="help is-danger" data-cy="ErrorMessage">
-          Enter some text
-        </p>
+        {commentError && (
+          <p className="help is-danger" data-cy="ErrorMessage">
+            Enter some text
+          </p>
+        )}
       </div>
 
       <div className="field is-grouped">
         <div className="control">
-          <button type="submit" className="button is-link is-loading">
+          <button
+            type="submit"
+            className={classNames('button is-link', { 'is-loading': loading })}
+          >
             Add
           </button>
         </div>
 
         <div className="control">
           {/* eslint-disable-next-line react/button-has-type */}
-          <button type="reset" className="button is-link is-light">
+          <button
+            type="reset"
+            className="button is-link is-light"
+            onClick={reset}
+          >
             Clear
           </button>
         </div>