From 02c0535781768196573c73717bd4ed77c5e233d8 Mon Sep 17 00:00:00 2001
From: Dmytro Vovk <bellboy.dv@gmail.com>
Date: Sun, 17 Sep 2023 19:42:57 +0300
Subject: [PATCH] Solution

---
 src/App.tsx                       | 125 ++++++++++++++----
 src/components/NewCommentForm.tsx | 175 +++++++++++++++++++++-----
 src/components/PostDetails.tsx    | 203 ++++++++++++++++++------------
 src/components/PostsList.tsx      | 112 ++++++++---------
 src/components/UserSelector.tsx   |  91 ++++++++++++--
 src/components/api/comments.ts    |  21 ++++
 src/components/api/posts.ts       |   6 +
 src/components/api/users.ts       |   6 +
 src/utils/fetchClient.ts          |   1 +
 9 files changed, 536 insertions(+), 204 deletions(-)
 create mode 100644 src/components/api/comments.ts
 create mode 100644 src/components/api/posts.ts
 create mode 100644 src/components/api/users.ts

diff --git a/src/App.tsx b/src/App.tsx
index db56b44b0..bb661fa20 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -1,4 +1,4 @@
-import React from 'react';
+import React, { useEffect, useState } from 'react';
 import 'bulma/bulma.sass';
 import '@fortawesome/fontawesome-free/css/all.css';
 import './App.scss';
@@ -8,8 +8,93 @@ 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 { getUsers } from './components/api/users';
+import { Post } from './types/Post';
+import { getPosts } from './components/api/posts';
 
 export const App: React.FC = () => {
+  const [usersFroServer, setUsersFromServer] = useState<User[] | []>([]);
+  const [
+    selectedUser, setSelectedUser,
+  ] = useState<User | null>(null);
+  const [userPosts, setUserPosts] = useState<Post[] | []>([]);
+  const [isLoading, setIsLoading] = useState(false);
+  const [isError, setIsError] = useState(false);
+  const [showPostsList, setShowPostsList] = useState(false);
+  const [selectedPost, setSelectedPost] = useState<Post | null>(null);
+
+  useEffect(() => {
+    getUsers().then((data) => {
+      setUsersFromServer(data);
+    }).catch((error) => {
+      // eslint-disable-next-line no-console
+      console.error('Error loading users:', error);
+      setIsError(true);
+    });
+  }, []);
+
+  useEffect(() => {
+    if (selectedUser) {
+      setShowPostsList(false);
+      setIsLoading(true);
+      getPosts(selectedUser.id).then((data) => {
+        setUserPosts(data);
+      }).catch((error) => {
+        // eslint-disable-next-line no-console
+        console.error('Something went wrong!', error);
+        setIsError(true);
+      }).finally(() => {
+        setIsLoading(false);
+        setShowPostsList(true);
+      });
+    }
+  }, [selectedUser]);
+
+  const renderContent = () => {
+    let content = null;
+
+    if (!selectedUser) {
+      content = (
+        <p data-cy="NoSelectedUser">
+          No user selected
+        </p>
+      );
+    }
+
+    if (isLoading) {
+      content = (
+        <Loader />
+      );
+    }
+
+    if (isError) {
+      content = (
+        <div className="notification is-danger" data-cy="PostsLoadingError">
+          Something went wrong!
+        </div>
+      );
+    } else if (showPostsList) {
+      if (userPosts.length === 0) {
+        content = (
+          <div className="notification is-warning" data-cy="NoPostsYet">
+            No posts yet
+          </div>
+        );
+      } else {
+        content = (
+          <PostsList
+            userPosts={userPosts}
+            selectedPost={selectedPost}
+            setSelectedPost={setSelectedPost}
+          />
+        );
+      }
+    }
+
+    return content;
+  };
+
   return (
     <main className="section">
       <div className="container">
@@ -17,28 +102,16 @@ export const App: React.FC = () => {
           <div className="tile is-parent">
             <div className="tile is-child box is-success">
               <div className="block">
-                <UserSelector />
+                <UserSelector
+                  users={usersFroServer}
+                  selectedUser={selectedUser}
+                  setSelectedUser={setSelectedUser}
+                  setSelectedPost={setSelectedPost}
+                />
               </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!
-                </div>
-
-                <div className="notification is-warning" data-cy="NoPostsYet">
-                  No posts yet
-                </div>
-
-                <PostsList />
+                {renderContent()}
               </div>
             </div>
           </div>
@@ -50,12 +123,16 @@ export const App: React.FC = () => {
               'is-parent',
               'is-8-desktop',
               'Sidebar',
-              'Sidebar--open',
+              { 'Sidebar--open': selectedPost },
             )}
           >
-            <div className="tile is-child box is-success ">
-              <PostDetails />
-            </div>
+            {selectedPost && (
+              <div className="tile is-child box is-success ">
+                <PostDetails
+                  selectedPost={selectedPost}
+                />
+              </div>
+            )}
           </div>
         </div>
       </div>
diff --git a/src/components/NewCommentForm.tsx b/src/components/NewCommentForm.tsx
index 73a8a0b45..67d30621d 100644
--- a/src/components/NewCommentForm.tsx
+++ b/src/components/NewCommentForm.tsx
@@ -1,8 +1,84 @@
-import React from 'react';
+import classNames from 'classnames';
+
+import React, { useEffect, useState } from 'react';
+import { CommentData } from '../types/Comment';
+
+type Props = {
+  addComment: (inputValue: CommentData) => void,
+  newPostLoading: boolean,
+};
+
+export const NewCommentForm: React.FC<Props> = ({
+  addComment,
+  newPostLoading,
+}) => {
+  const [isError, setIsError] = useState({
+    nameError: false,
+    emailError: false,
+    textariaError: false,
+  });
+  const [inputValue, setInputValue] = useState<CommentData>({
+    name: '',
+    email: '',
+    body: '',
+  });
+
+  const handleResetComment = () => {
+    setInputValue({
+      name: '',
+      email: '',
+      body: '',
+    });
+
+    setIsError({
+      nameError: false,
+      emailError: false,
+      textariaError: false,
+    });
+  };
+
+  const handleAddComment = (e: React.FormEvent) => {
+    e.preventDefault();
+
+    const errors = {
+      nameError: !inputValue.name.trim(),
+      emailError: !inputValue.email.trim(),
+      textariaError: !inputValue.body.trim(),
+    };
+
+    setIsError(errors);
+
+    setIsError((prevErrors) => {
+      const hasErrors = Object.values(prevErrors).some((error) => error);
+
+      if (!hasErrors) {
+        addComment(inputValue);
+        setInputValue({
+          ...inputValue,
+          body: '',
+        });
+      }
+
+      return prevErrors;
+    });
+  };
+
+  useEffect(() => {
+    if (inputValue.name) {
+      setIsError({ ...isError, nameError: false });
+    }
+
+    if (inputValue.email) {
+      setIsError({ ...isError, emailError: false });
+    }
+
+    if (inputValue.body) {
+      setIsError({ ...isError, textariaError: false });
+    }
+  }, [inputValue.name, inputValue.email, inputValue.body]);
 
-export const NewCommentForm: React.FC = () => {
   return (
-    <form data-cy="NewCommentForm">
+    <form data-cy="NewCommentForm" onSubmit={handleAddComment}>
       <div className="field" data-cy="NameField">
         <label className="label" htmlFor="comment-author-name">
           Author Name
@@ -14,24 +90,35 @@ export const NewCommentForm: React.FC = () => {
             name="name"
             id="comment-author-name"
             placeholder="Name Surname"
-            className="input is-danger"
+            className={classNames(
+              'input',
+              { 'is-danger': isError.nameError },
+            )}
+            value={inputValue.name}
+            onChange={(e) => setInputValue(
+              { ...inputValue, name: e.target.value },
+            )}
           />
 
           <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>
+          {isError.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>
+        {isError.nameError && (
+          <p className="help is-danger" data-cy="ErrorMessage">
+            Name is required
+          </p>
+        )}
       </div>
 
       <div className="field" data-cy="EmailField">
@@ -45,24 +132,35 @@ export const NewCommentForm: React.FC = () => {
             name="email"
             id="comment-author-email"
             placeholder="email@test.com"
-            className="input is-danger"
+            className={classNames(
+              'input',
+              { 'is-danger': isError.emailError },
+            )}
+            value={inputValue.email}
+            onChange={(e) => setInputValue(
+              { ...inputValue, email: e.target.value },
+            )}
           />
 
           <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>
+          {isError.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>
+        {isError.emailError && (
+          <p className="help is-danger" data-cy="ErrorMessage">
+            Email is required
+          </p>
+        )}
       </div>
 
       <div className="field" data-cy="BodyField">
@@ -75,25 +173,44 @@ export const NewCommentForm: React.FC = () => {
             id="comment-body"
             name="body"
             placeholder="Type comment here"
-            className="textarea is-danger"
+            className={classNames(
+              'textarea',
+              { 'is-danger': isError.textariaError },
+            )}
+            value={inputValue.body}
+            onChange={(e) => setInputValue(
+              { ...inputValue, body: e.target.value },
+            )}
           />
         </div>
 
-        <p className="help is-danger" data-cy="ErrorMessage">
-          Enter some text
-        </p>
+        {isError.textariaError && (
+          <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': newPostLoading },
+            )}
+          >
             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={handleResetComment}
+          >
             Clear
           </button>
         </div>
diff --git a/src/components/PostDetails.tsx b/src/components/PostDetails.tsx
index ace945f0a..7d4b33377 100644
--- a/src/components/PostDetails.tsx
+++ b/src/components/PostDetails.tsx
@@ -1,117 +1,162 @@
-import React from 'react';
+import React, { useState, useEffect } from 'react';
 import { Loader } from './Loader';
 import { NewCommentForm } from './NewCommentForm';
+import { Post } from '../types/Post';
+import * as commentsService from './api/comments';
+import { Comment, CommentData } from '../types/Comment';
 
-export const PostDetails: React.FC = () => {
-  return (
-    <div className="content" data-cy="PostDetails">
-      <div className="content" data-cy="PostDetails">
-        <div className="block">
-          <h2 data-cy="PostTitle">
-            #18: voluptate et itaque vero tempora molestiae
-          </h2>
+type Props = {
+  selectedPost: Post | null;
+};
 
-          <p data-cy="PostBody">
-            eveniet quo quis
-            laborum totam consequatur non dolor
-            ut et est repudiandae
-            est voluptatem vel debitis et magnam
-          </p>
-        </div>
+export const PostDetails: React.FC<Props> = ({ selectedPost }) => {
+  const [isLoading, setIsLoading] = useState(false);
+  const [isError, setIsError] = useState(false);
+  const [showNewCommentForm, setShowNewCommentForm] = useState(false);
+  const [postComments, setPostComments] = useState<Comment[] | []>([]);
+  const [newPostLoading, setNewPostLoading] = useState(false);
 
-        <div className="block">
-          <Loader />
+  useEffect(() => {
+    if (selectedPost) {
+      setIsLoading(true);
+      commentsService.getComments(selectedPost.id)
+        .then((data) => {
+          setPostComments(data);
+        })
+        .catch((error) => {
+          // eslint-disable-next-line no-console
+          console.error('Something went wrong!', error);
+          setIsError(true);
+        })
+        .finally(() => {
+          setIsLoading(false);
+        });
+    }
+  }, [selectedPost]);
 
-          <div className="notification is-danger" data-cy="CommentsError">
-            Something went wrong
-          </div>
+  useEffect(() => {
+    setShowNewCommentForm(false);
+  }, [selectedPost]);
 
-          <p className="title is-4" data-cy="NoCommentsMessage">
-            No comments yet
-          </p>
+  const handleAddCommentButtonClick = () => {
+    setShowNewCommentForm(true);
+  };
 
-          <p className="title is-4">Comments:</p>
+  const handleDeleteComment = (commentId: number) => {
+    setPostComments(postComments.filter(comment => comment.id !== commentId));
+    commentsService.deleteComments(commentId)
+      .catch((error) => {
+        // eslint-disable-next-line no-console
+        console.error('Error deleting comment:', error);
+        setIsError(true);
+      });
+  };
 
-          <article className="message is-small" data-cy="Comment">
-            <div className="message-header">
-              <a href="mailto:misha@mate.academy" data-cy="CommentAuthor">
-                Misha Hrynko
-              </a>
-              <button
-                data-cy="CommentDelete"
-                type="button"
-                className="delete is-small"
-                aria-label="delete"
-              >
-                delete button
-              </button>
-            </div>
+  const addComment = (newCommentValue: CommentData) => {
+    if (selectedPost) {
+      setNewPostLoading(true);
+      const newComment = {
+        id: 0,
+        postId: selectedPost.id,
+        name: newCommentValue.name,
+        email: newCommentValue.email,
+        body: newCommentValue.body,
+      };
 
-            <div className="message-body" data-cy="CommentBody">
-              Some comment
-            </div>
-          </article>
+      commentsService.createComment(newComment)
+        .then(() => {
+          setPostComments([...postComments, newComment]);
+        })
+        .catch((error) => {
+          // eslint-disable-next-line no-console
+          console.error('Something went wrong!', error);
+          setIsError(true);
+        })
+        .finally(() => {
+          setNewPostLoading(false);
+        });
+    }
+  };
 
-          <article className="message is-small" data-cy="Comment">
-            <div className="message-header">
-              <a
-                href="mailto:misha@mate.academy"
-                data-cy="CommentAuthor"
-              >
-                Misha Hrynko
-              </a>
+  const renderContent = () => {
+    if (isLoading) {
+      return <Loader />;
+    }
 
-              <button
-                data-cy="CommentDelete"
-                type="button"
-                className="delete is-small"
-                aria-label="delete"
-              >
-                delete button
-              </button>
-            </div>
-            <div
-              className="message-body"
-              data-cy="CommentBody"
-            >
-              One more comment
-            </div>
-          </article>
+    if (isError) {
+      return (
+        <div className="notification is-danger" data-cy="CommentsError">
+          Something went wrong
+        </div>
+      );
+    }
 
-          <article className="message is-small" data-cy="Comment">
+    if (postComments.length === 0) {
+      return (
+        <p className="title is-4" data-cy="NoCommentsMessage">
+          No comments yet
+        </p>
+      );
+    }
+
+    return (
+      <>
+        <p className="title is-4">Comments:</p>
+        {postComments.map((comment) => (
+          <article
+            className="message is-small"
+            data-cy="Comment"
+            key={comment.id}
+          >
             <div className="message-header">
-              <a
-                href="mailto:misha@mate.academy"
-                data-cy="CommentAuthor"
-              >
-                Misha Hrynko
+              <a href={`mailto:${comment.email}`} data-cy="CommentAuthor">
+                {comment.name}
               </a>
-
               <button
                 data-cy="CommentDelete"
                 type="button"
                 className="delete is-small"
                 aria-label="delete"
+                onClick={() => handleDeleteComment(comment.id)}
               >
                 delete button
               </button>
             </div>
-
             <div className="message-body" data-cy="CommentBody">
-              {'Multi\nline\ncomment'}
+              {comment.body}
             </div>
           </article>
+        ))}
+      </>
+    );
+  };
 
+  return (
+    <div className="content" data-cy="PostDetails">
+      <div className="block">
+        <h2 data-cy="PostTitle">
+          {`#${selectedPost?.id}: ${selectedPost?.title}`}
+        </h2>
+        <p data-cy="PostBody">{selectedPost?.body}</p>
+      </div>
+      <div className="block">
+        {renderContent()}
+
+        {!showNewCommentForm ? (
           <button
             data-cy="WriteCommentButton"
             type="button"
             className="button is-link"
+            onClick={handleAddCommentButtonClick}
           >
             Write a comment
           </button>
-        </div>
-
-        <NewCommentForm />
+        ) : (
+          <NewCommentForm
+            addComment={addComment}
+            newPostLoading={newPostLoading}
+          />
+        )}
       </div>
     </div>
   );
diff --git a/src/components/PostsList.tsx b/src/components/PostsList.tsx
index 6e6efc0f3..20699bdd2 100644
--- a/src/components/PostsList.tsx
+++ b/src/components/PostsList.tsx
@@ -1,6 +1,18 @@
-import React from 'react';
+import classNames from 'classnames';
 
-export const PostsList: React.FC = () => (
+import { Post } from '../types/Post';
+
+type Props = {
+  userPosts: Post[] | [];
+  selectedPost: Post | null;
+  setSelectedPost: (selectedPost: Post | null) => void;
+};
+
+export const PostsList: React.FC<Props> = ({
+  userPosts,
+  selectedPost,
+  setSelectedPost,
+}) => (
   <div data-cy="PostsList">
     <p className="title">Posts:</p>
 
@@ -14,71 +26,45 @@ export const PostsList: React.FC = () => (
       </thead>
 
       <tbody>
-        <tr data-cy="Post">
-          <td data-cy="PostId">17</td>
-
-          <td data-cy="PostTitle">
-            fugit voluptas sed molestias voluptatem provident
-          </td>
+        {userPosts?.map(post => {
+          const handleButtonClick = () => {
+            if (selectedPost === null || selectedPost !== post) {
+              setSelectedPost(post);
+            } else {
+              setSelectedPost(null);
+            }
+          };
 
-          <td className="has-text-right is-vcentered">
-            <button
-              type="button"
-              data-cy="PostButton"
-              className="button is-link is-light"
-            >
-              Open
-            </button>
-          </td>
-        </tr>
-
-        <tr data-cy="Post">
-          <td data-cy="PostId">18</td>
+          const postIsSelect = selectedPost === post;
 
-          <td data-cy="PostTitle">
-            voluptate et itaque vero tempora molestiae
-          </td>
+          return (
+            <tr data-cy="Post" key={post.id}>
+              <td data-cy="PostId">{post.id}</td>
 
-          <td className="has-text-right is-vcentered">
-            <button
-              type="button"
-              data-cy="PostButton"
-              className="button is-link"
-            >
-              Close
-            </button>
-          </td>
-        </tr>
+              <td data-cy="PostTitle">
+                {post.title}
+              </td>
 
-        <tr data-cy="Post">
-          <td data-cy="PostId">19</td>
-          <td data-cy="PostTitle">adipisci placeat illum aut reiciendis qui</td>
-
-          <td className="has-text-right is-vcentered">
-            <button
-              type="button"
-              data-cy="PostButton"
-              className="button is-link is-light"
-            >
-              Open
-            </button>
-          </td>
-        </tr>
-
-        <tr data-cy="Post">
-          <td data-cy="PostId">20</td>
-          <td data-cy="PostTitle">doloribus ad provident suscipit at</td>
-
-          <td className="has-text-right is-vcentered">
-            <button
-              type="button"
-              data-cy="PostButton"
-              className="button is-link is-light"
-            >
-              Open
-            </button>
-          </td>
-        </tr>
+              <td className="has-text-right is-vcentered">
+                <button
+                  type="button"
+                  data-cy="PostButton"
+                  className={classNames(
+                    'button is-link',
+                    { 'is-light': !postIsSelect },
+                  )}
+                  onClick={handleButtonClick}
+                >
+                  {postIsSelect ? (
+                    'Close'
+                  ) : (
+                    'Open'
+                  )}
+                </button>
+              </td>
+            </tr>
+          );
+        })}
       </tbody>
     </table>
   </div>
diff --git a/src/components/UserSelector.tsx b/src/components/UserSelector.tsx
index cb83a8f68..39d952856 100644
--- a/src/components/UserSelector.tsx
+++ b/src/components/UserSelector.tsx
@@ -1,10 +1,52 @@
-import React from 'react';
+import classNames from 'classnames';
+
+import React, { useEffect, useRef, useState } from 'react';
+import { User } from '../types/User';
+
+type Props = {
+  users: User[];
+  selectedUser: User | null;
+  setSelectedUser: (selectedUser: User) => void;
+  setSelectedPost: (SelectedPost: null) => void;
+};
+
+export const UserSelector: React.FC<Props> = ({
+  users,
+  selectedUser,
+  setSelectedUser,
+  setSelectedPost,
+}) => {
+  const [showMenu, setShowMenu] = useState(false);
+  const menuRef = useRef<HTMLDivElement>(null);
+
+  const handleButtonMenuClick = () => {
+    setShowMenu(!showMenu);
+  };
+
+  useEffect(() => {
+    const handleDocumentClick = (event: MouseEvent) => {
+      if (
+        menuRef.current && !menuRef.current.contains(event.target as Node)
+      ) {
+        setShowMenu(false);
+      }
+    };
+
+    document.addEventListener('click', handleDocumentClick);
+
+    return () => {
+      document.removeEventListener('click', handleDocumentClick);
+    };
+  }, []);
 
-export const UserSelector: React.FC = () => {
   return (
     <div
       data-cy="UserSelector"
-      className="dropdown is-active"
+      className={classNames(
+        'dropdown',
+        { 'is-active': showMenu },
+      )}
+      ref={menuRef}
     >
       <div className="dropdown-trigger">
         <button
@@ -12,8 +54,15 @@ export const UserSelector: React.FC = () => {
           className="button"
           aria-haspopup="true"
           aria-controls="dropdown-menu"
+          onClick={handleButtonMenuClick}
         >
-          <span>Choose a user</span>
+          <span>
+            {selectedUser ? (
+              `${selectedUser.name}`
+            ) : (
+              'Choose a user'
+            )}
+          </span>
 
           <span className="icon is-small">
             <i className="fas fa-angle-down" aria-hidden="true" />
@@ -23,11 +72,35 @@ export const UserSelector: React.FC = () => {
 
       <div className="dropdown-menu" id="dropdown-menu" role="menu">
         <div className="dropdown-content">
-          <a href="#user-1" className="dropdown-item">Leanne Graham</a>
-          <a href="#user-2" className="dropdown-item is-active">Ervin Howell</a>
-          <a href="#user-3" className="dropdown-item">Clementine Bauch</a>
-          <a href="#user-4" className="dropdown-item">Patricia Lebsack</a>
-          <a href="#user-5" className="dropdown-item">Chelsey Dietrich</a>
+          {users.map(user => {
+            const handleUserClick = () => {
+              setSelectedUser(user);
+              setShowMenu(false);
+
+              if (selectedUser !== user) {
+                setSelectedPost(null);
+              }
+            };
+
+            const isActiveClass = {
+              'is-active': selectedUser && selectedUser.id === user.id,
+            };
+
+            return (
+              <a
+                href={`#user-${user.id}`}
+                className={classNames(
+                  'dropdown-item',
+                  isActiveClass,
+                )}
+                key={user.id}
+                role="menuitem"
+                onClick={handleUserClick}
+              >
+                {user.name}
+              </a>
+            );
+          })}
         </div>
       </div>
     </div>
diff --git a/src/components/api/comments.ts b/src/components/api/comments.ts
new file mode 100644
index 000000000..3ca59172d
--- /dev/null
+++ b/src/components/api/comments.ts
@@ -0,0 +1,21 @@
+import { Comment } from '../../types/Comment';
+import { client } from '../../utils/fetchClient';
+
+export const getComments = (postId: number) => {
+  return client.get<Comment[]>(`/comments?postId=${postId}`);
+};
+
+export const deleteComments = (commentId: number) => {
+  return client.delete(`/comments/${commentId}`);
+};
+
+export const createComment = ({
+  postId,
+  name,
+  email,
+  body,
+}: Omit<Comment, 'id'>) => {
+  return client.post<Comment>('/comments', {
+    postId, name, email, body,
+  });
+};
diff --git a/src/components/api/posts.ts b/src/components/api/posts.ts
new file mode 100644
index 000000000..c201357ba
--- /dev/null
+++ b/src/components/api/posts.ts
@@ -0,0 +1,6 @@
+import { Post } from '../../types/Post';
+import { client } from '../../utils/fetchClient';
+
+export const getPosts = (userId: number) => {
+  return client.get<Post[]>(`/posts?userId=${userId}`);
+};
diff --git a/src/components/api/users.ts b/src/components/api/users.ts
new file mode 100644
index 000000000..bb0a7dc31
--- /dev/null
+++ b/src/components/api/users.ts
@@ -0,0 +1,6 @@
+import { User } from '../../types/User';
+import { client } from '../../utils/fetchClient';
+
+export const getUsers = () => {
+  return client.get<User[]>('/users');
+};
diff --git a/src/utils/fetchClient.ts b/src/utils/fetchClient.ts
index 93208df11..feb6915ce 100644
--- a/src/utils/fetchClient.ts
+++ b/src/utils/fetchClient.ts
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
 const BASE_URL = 'https://mate.academy/students-api';
 
 // a promise resolved after a given delay