dynamic-list-of-posts

src/App.tsx

@@ -1,60 +1,63 @@
+import { useState } from 'react';
 import classNames from 'classnames';
 
 import 'bulma/css/bulma.css';
 import '@fortawesome/fontawesome-free/css/all.css';
 import './App.scss';
 
+import { UserSelector } from './components/UserSelector';
 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>
-
-            <div className="block" data-cy="MainContent">
-              <p data-cy="NoSelectedUser">No user selected</p>
-
-              <Loader />
-
-              <div
-                className="notification is-danger"
-                data-cy="PostsLoadingError"
-              >
-                Something went wrong!
+import { Post } from './types/Post';
+
+export const App = () => {
+  const [selectedUserId, setSelectedUserId] = useState<number | null>(null);
+  const [selectedPost, setSelectedPost] = useState<Post | null>(null);
+
+  const handleUserSelect = (userId: number | null) => {
+    setSelectedUserId(userId);
+    setSelectedPost(null);
+  };
+
+  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>
-
-              <div className="notification is-warning" data-cy="NoPostsYet">
-                No posts yet
+              <div className="block" data-cy="MainContent">
+                {selectedUserId === null ? (
+                  <p data-cy="NoSelectedUser">No user selected</p>
+                ) : (
+                  <PostsList
+                    userId={selectedUserId}
+                    selectedPost={selectedPost}
+                    onPostSelect={setSelectedPost}
+                  />
+                )}
               </div>
-
-              <PostsList />
             </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 !== null }
+            )}
+          >
+            <div className="tile is-child box is-success">
+              <PostDetails post={selectedPost} />
+            </div>
           </div>
         </div>
       </div>
-    </div>
-  </main>
-);
+    </main>
+  );
+};

src/components/NewCommentForm.tsx

@@ -1,99 +1,189 @@
-import React from 'react';
+/* eslint-disable no-console */
+import React, { useState } from 'react';
+import { CommentData } from '../types/Comment';
+
+interface NewCommentFormProps {
+  onSubmit: (data: CommentData) => void;
+}
+
+export const NewCommentForm: React.FC<NewCommentFormProps> = ({ onSubmit }) => {
+  const [name, setName] = useState('');
+  const [email, setEmail] = useState('');
+  const [body, setBody] = useState('');
+  const [errors, setErrors] = useState<{
+    name?: string;
+    email?: string;
+    body?: string;
+  }>({});
+  const [isSubmitting, setIsSubmitting] = useState(false);
+  const [submitted, setSubmitted] = useState(false);
+
+  const validate = () => {
+    const newErrors: { name?: string; email?: string; body?: string } = {};
+
+    if (!name.trim()) {
+      newErrors.name = 'Name is required';
+    }
+
+    if (!email.trim()) {
+      newErrors.email = 'Email is required';
+    }
+
+    if (!body.trim()) {
+      newErrors.body = 'Enter some text';
+    }
+
+    return newErrors;
+  };
+
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setSubmitted(true);
+    const newErrors = validate();
+
+    if (Object.keys(newErrors).length > 0) {
+      setErrors(newErrors);
+
+      return;
+    }
+
+    setIsSubmitting(true);
+    try {
+      await onSubmit({ name, email, body });
+      setBody('');
+      setErrors({});
+      setSubmitted(false);
+    } catch (err) {
+      console.error('Failed to add comment', err);
+    } finally {
+      setIsSubmitting(false);
+    }
+  };
+
+  const handleClear = () => {
+    setErrors({});
+    setBody('');
+  };
 
-export const NewCommentForm: React.FC = () => {
   return (
-    <form data-cy="NewCommentForm">
+    <form data-cy="NewCommentForm" onSubmit={handleSubmit}>
       <div className="field" data-cy="NameField">
         <label className="label" htmlFor="comment-author-name">
           Author Name
         </label>
-
         <div className="control has-icons-left has-icons-right">
           <input
             type="text"
-            name="name"
             id="comment-author-name"
+            name="name"
             placeholder="Name Surname"
-            className="input is-danger"
+            className={`input ${submitted && errors.name ? 'is-danger' : ''}`}
+            value={name}
+            onChange={e => {
+              setName(e.target.value);
+              if (errors.name) {
+                setErrors(prev => ({ ...prev, name: undefined }));
+              }
+            }}
           />
-
           <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" />
+            <i className="fas fa-user"></i>
           </span>
+          {submitted && errors.name && (
+            <span
+              className="icon is-small is-right has-text-danger"
+              data-cy="ErrorIcon"
+            >
+              <i className="fas fa-exclamation-triangle"></i>
+            </span>
+          )}
         </div>
-
-        <p className="help is-danger" data-cy="ErrorMessage">
-          Name is required
-        </p>
+        {submitted && errors.name && (
+          <p className="help is-danger" data-cy="ErrorMessage">
+            {errors.name}
+          </p>
+        )}
       </div>
 
       <div className="field" data-cy="EmailField">
         <label className="label" htmlFor="comment-author-email">
           Author Email
         </label>
-
         <div className="control has-icons-left has-icons-right">
           <input
             type="text"
-            name="email"
             id="comment-author-email"
+            name="email"
             placeholder="[email protected]"
-            className="input is-danger"
+            className={`input ${submitted && errors.email ? 'is-danger' : ''}`}
+            value={email}
+            onChange={e => {
+              setEmail(e.target.value);
+              if (errors.email) {
+                setErrors(prev => ({ ...prev, email: undefined }));
+              }
+            }}
           />
-
           <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" />
+            <i className="fas fa-envelope"></i>
           </span>
+          {submitted && errors.email && (
+            <span
+              className="icon is-small is-right has-text-danger"
+              data-cy="ErrorIcon"
+            >
+              <i className="fas fa-exclamation-triangle"></i>
+            </span>
+          )}
         </div>
-
-        <p className="help is-danger" data-cy="ErrorMessage">
-          Email is required
-        </p>
+        {submitted && errors.email && (
+          <p className="help is-danger" data-cy="ErrorMessage">
+            {errors.email}
+          </p>
+        )}
       </div>
 
       <div className="field" data-cy="BodyField">
         <label className="label" htmlFor="comment-body">
           Comment Text
         </label>
-
         <div className="control">
           <textarea
             id="comment-body"
             name="body"
             placeholder="Type comment here"
-            className="textarea is-danger"
+            className={`textarea ${submitted && errors.body ? 'is-danger' : ''}`}
+            value={body}
+            onChange={e => {
+              setBody(e.target.value);
+              if (errors.body) {
+                setErrors(prev => ({ ...prev, body: undefined }));
+              }
+            }}
           />
         </div>
-
-        <p className="help is-danger" data-cy="ErrorMessage">
-          Enter some text
-        </p>
+        {submitted && errors.body && (
+          <p className="help is-danger" data-cy="ErrorMessage">
+            {errors.body}
+          </p>
+        )}
       </div>
 
       <div className="field is-grouped">
         <div className="control">
-          <button type="submit" className="button is-link is-loading">
+          <button
+            type="submit"
+            className={`button is-link ${isSubmitting ? 'is-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={handleClear}
+          >
             Clear
           </button>
         </div>