add task solution

README.md

@@ -47,4 +47,4 @@ Implement the ability to edit a todo title on double click:
 
 - Implement a solution following the [React task guideline](https://github.com/mate-academy/react_task-guideline#react-tasks-guideline).
 - Use the [React TypeScript cheat sheet](https://mate-academy.github.io/fe-program/js/extra/react-typescript).
-- Replace `<your_account>` with your Github username in the [DEMO LINK](https://<your_account>.github.io/react_todo-app-with-api/) and add it to the PR description.
+- Replace `<your_account>` with your Github username in the [DEMO LINK](https://anastasiia-levochkina.github.io/react_todo-app-with-api/) and add it to the PR description.

package.json

@@ -15,7 +15,7 @@
   },
   "devDependencies": {
     "@cypress/react18": "^2.0.1",
-    "@mate-academy/scripts": "^1.8.5",
+    "@mate-academy/scripts": "^2.1.3",
     "@mate-academy/students-ts-config": "*",
     "@mate-academy/stylelint-config": "*",
     "@types/node": "^20.14.10",

src/App.tsx

@@ -1,26 +1,250 @@
 /* eslint-disable max-len */
-/* eslint-disable jsx-a11y/control-has-associated-label */
-import React from 'react';
+import React, { useEffect, useMemo, useRef, useState } from 'react';
 import { UserWarning } from './UserWarning';
-
-const USER_ID = 0;
+import {
+  getTodos,
+  createTodo,
+  deleteTodo,
+  updateTodo,
+  USER_ID,
+} from './api/todos';
+import { Todo } from './types/Todo';
+import { FilterType } from './types/FilterType';
+import { TodoHeader } from './components/TodoHeader';
+import { TodoList } from './components/TodoList';
+import { TodoFooter } from './components/TodoFooter';
+import { ErrorNotification } from './components/ErrorNotification';
 
 export const App: React.FC = () => {
+  const [todos, setTodos] = useState<Todo[]>([]);
+  const [tempTodo, setTempTodo] = useState<Todo | null>(null);
+  const [newTitle, setNewTitle] = useState('');
+  const [loadingIds, setLoadingIds] = useState<number[]>([]);
+  const [errorMessage, setErrorMessage] = useState('');
+  const [filter, setFilter] = useState<FilterType>(FilterType.All);
+  const [editingId, setEditingId] = useState<number | null>(null);
+  const [editingTitle, setEditingTitle] = useState('');
+
+  const inputRef = useRef<HTMLInputElement>(null);
+
+  useEffect(() => {
+    if (errorMessage) {
+      const timer = window.setTimeout(() => {
+        setErrorMessage('');
+      }, 3000);
+
+      return () => clearTimeout(timer);
+    }
+
+    return undefined;
+  }, [errorMessage]);
+
+  useEffect(() => {
+    getTodos()
+      .then(setTodos)
+      .catch(() => setErrorMessage('Unable to load todos'));
+  }, []);
+
+  const handleSubmit = async (event: React.FormEvent) => {
+    event.preventDefault();
+
+    const title = newTitle.trim();
+
+    if (!title) {
+      setErrorMessage('Title should not be empty');
+      setTimeout(() => {
+        inputRef.current?.focus();
+      }, 0);
+
+      return;
+    }
+
+    const temp: Todo = {
+      id: 0,
+      userId: USER_ID,
+      title,
+      completed: false,
+    };
+
+    setTempTodo(temp);
+
+    try {
+      const created = await createTodo({
+        userId: USER_ID,
+        title,
+        completed: false,
+      });
+
+      setTodos(prev => [...prev, created]);
+      setNewTitle('');
+    } catch {
+      setErrorMessage('Unable to add a todo');
+    } finally {
+      setTempTodo(null);
+      setTimeout(() => {
+        inputRef.current?.focus();
+      }, 0);
+    }
+  };
+
+  const handleDelete = async (id: number) => {
+    setLoadingIds(prev => [...prev, id]);
+
+    try {
+      await deleteTodo(id);
+      setTodos(prev => prev.filter(todo => todo.id !== id));
+    } catch {
+      setErrorMessage('Unable to delete a todo');
+    } finally {
+      setLoadingIds(prev => prev.filter(item => item !== id));
+      inputRef.current?.focus();
+    }
+  };
+
+  const handleToggle = async (todo: Todo) => {
+    setLoadingIds(prev => [...prev, todo.id]);
+
+    try {
+      const updated = await updateTodo(todo.id, {
+        completed: !todo.completed,
+      });
+
+      setTodos(prev => prev.map(t => (t.id === todo.id ? updated : t)));
+    } catch {
+      setErrorMessage('Unable to update a todo');
+    } finally {
+      setLoadingIds(prev => prev.filter(id => id !== todo.id));
+    }
+  };
+
+  const handleToggleAll = async () => {
+    const allCompleted = todos.length > 0 && todos.every(t => t.completed);
+
+    const toUpdate = todos.filter(t => t.completed === allCompleted);
+
+    await Promise.all(toUpdate.map(todo => handleToggle(todo)));
+  };
+
+  const handleEditStart = (todo: Todo) => {
+    setEditingId(todo.id);
+    setEditingTitle(todo.title);
+  };
+
+  const handleEditSave = async (todo: Todo) => {
+    const trimmed = editingTitle.trim();
+
+    if (trimmed === todo.title) {
+      setEditingId(null);
+
+      return;
+    }
+
+    if (!trimmed) {
+      setLoadingIds(prev => [...prev, todo.id]);
+
+      try {
+        await deleteTodo(todo.id);
+
+        setTodos(prev => prev.filter(t => t.id !== todo.id));
+        setEditingId(null);
+      } catch {
+        setErrorMessage('Unable to delete a todo');
+
+        return;
+      } finally {
+        setLoadingIds(prev => prev.filter(id => id !== todo.id));
+      }
+
+      return;
+    }
+
+    setLoadingIds(prev => [...prev, todo.id]);
+
+    try {
+      const updated = await updateTodo(todo.id, {
+        title: trimmed,
+      });
+
+      setTodos(prev => prev.map(t => (t.id === todo.id ? updated : t)));
+
+      setEditingId(null);
+    } catch {
+      setErrorMessage('Unable to update a todo');
+    } finally {
+      setLoadingIds(prev => prev.filter(id => id !== todo.id));
+    }
+  };
+
+  const visibleTodos = useMemo(() => {
+    switch (filter) {
+      case FilterType.Active:
+        return todos.filter(todo => !todo.completed);
+      case FilterType.Completed:
+        return todos.filter(todo => todo.completed);
+      default:
+        return todos;
+    }
+  }, [todos, filter]);
+
+  const activeCount = todos.filter(todo => !todo.completed).length;
+  const hasCompleted = todos.some(todo => todo.completed);
+
   if (!USER_ID) {
     return <UserWarning />;
   }
 
+  const handleClearCompleted = () => {
+    Promise.all(
+      todos.filter(todo => todo.completed).map(todo => handleDelete(todo.id)),
+    );
+  };
+
   return (
-    <section className="section container">
-      <p className="title is-4">
-        Copy all you need from the prev task:
-        <br />
-        <a href="https://github.com/mate-academy/react_todo-app-add-and-delete#react-todo-app-add-and-delete">
-          React Todo App - Add and Delete
-        </a>
-      </p>
-
-      <p className="subtitle">Styles are already copied</p>
-    </section>
+    <div className="todoapp">
+      <h1 className="todoapp__title">todos</h1>
+
+      <div className="todoapp__content">
+        <TodoHeader
+          todos={todos}
+          newTitle={newTitle}
+          tempTodo={tempTodo}
+          inputRef={inputRef}
+          onToggleAll={handleToggleAll}
+          onSubmit={handleSubmit}
+          onNewTitleChange={setNewTitle}
+        />
+
+        {(todos.length > 0 || tempTodo) && (
+          <TodoList
+            todos={visibleTodos}
+            tempTodo={tempTodo}
+            loadingIds={loadingIds}
+            editingId={editingId}
+            editingTitle={editingTitle}
+            onToggle={handleToggle}
+            onDelete={handleDelete}
+            onEditStart={handleEditStart}
+            onEditSave={handleEditSave}
+            onEditTitleChange={setEditingTitle}
+            onEditCancel={() => setEditingId(null)}
+          />
+        )}
+
+        {todos.length > 0 && (
+          <TodoFooter
+            activeCount={activeCount}
+            hasCompleted={hasCompleted}
+            filter={filter}
+            onFilterChange={setFilter}
+            onClearCompleted={handleClearCompleted}
+          />
+        )}
+      </div>
+
+      <ErrorNotification
+        message={errorMessage}
+        onClose={() => setErrorMessage('')}
+      />
+    </div>
   );
 };

src/api/todos.ts

@@ -0,0 +1,20 @@
+import { client } from '../utils/fetchClient';
+import { Todo } from '../types/Todo';
+
+export const USER_ID = 3953; // твой id
+
+export const getTodos = () => {
+  return client.get<Todo[]>(`/todos?userId=${USER_ID}`);
+};
+
+export const createTodo = (todo: Omit<Todo, 'id'>) => {
+  return client.post<Todo>('/todos', todo);
+};
+
+export const deleteTodo = (id: number) => {
+  return client.delete(`/todos/${id}`);
+};
+
+export const updateTodo = (id: number, data: Partial<Todo>) => {
+  return client.patch<Todo>(`/todos/${id}`, data);
+};

src/components/ErrorNotification.tsx

@@ -0,0 +1,28 @@
+import React from 'react';
+import classNames from 'classnames';
+
+interface ErrorNotificationProps {
+  message: string;
+  onClose: () => void;
+}
+
+export const ErrorNotification: React.FC<ErrorNotificationProps> = ({
+  message,
+  onClose,
+}) => {
+  return (
+    <div
+      data-cy="ErrorNotification"
+      className={classNames('notification is-danger is-light', {
+        hidden: !message,
+      })}
+    >
+      <button
+        data-cy="HideErrorButton"
+        className="delete"
+        onClick={onClose}
+      />
+      {message}
+    </div>
+  );
+};