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://svitlanak31.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": "^1.9.12",
     "@mate-academy/students-ts-config": "*",
     "@mate-academy/stylelint-config": "*",
     "@types/node": "^20.14.10",

src/App.tsx

@@ -1,26 +1,274 @@
-/* eslint-disable max-len */
-/* eslint-disable jsx-a11y/control-has-associated-label */
-import React from 'react';
+import React, { useState, useEffect } from 'react';
+import { Header } from './components/Header';
+import { Footer } from './components/Footer';
+import { TodoList } from './components/TodoList';
 import { UserWarning } from './UserWarning';
-
-const USER_ID = 0;
+import { getTodos, USER_ID } from './api/todos';
+import { Todo } from './types/Todo';
+import * as Methods from './api/todos';
+import { FilterStatus } from './types/FilterStatus';
+import classNames from 'classnames';
 
 export const App: React.FC = () => {
+  const [todos, setTodos] = useState<Todo[]>([]);
+  const [error, setError] = useState<string | null>(null);
+  const [statusFilter, setStatusFilter] = useState<FilterStatus>(
+    FilterStatus.All,
+  );
+  const [newTodoTitle, setNewTodoTitle] = useState('');
+  const [isInputDisabled, setIsInputDisabled] = useState(false);
+  const [counter, setCounter] = useState<number>(0);
+  const [loadingTodoId, setLoadingTodoId] = useState<number | null>(null);
+
+  const updateCounter = (arrTodo: Todo[]) => {
+    const activeTodosCount = arrTodo.filter(todo => !todo.completed).length;
+
+    setCounter(activeTodosCount);
+  };
+
+  useEffect(() => {
+    const fetchTodos = async () => {
+      try {
+        const fetchedTodos = await getTodos();
+
+        setTodos(fetchedTodos);
+        updateCounter(fetchedTodos);
+      } catch {
+        setError('Unable to load todos');
+      }
+    };
+
+    fetchTodos();
+  }, []);
+
+  useEffect(() => {
+    if (error) {
+      const timer = setTimeout(() => setError(null), 3000);
+
+      return () => clearTimeout(timer);
+    }
+
+    return undefined;
+  }, [error]);
+
+  const deleteTodo = (todoId: number) => {
+    setLoadingTodoId(todoId);
+
+    Methods.deleteTodo(todoId)
+      .then(() => {
+        setTodos(prevTodos => prevTodos.filter(todo => todo.id !== todoId));
+        updateCounter(todos.filter(todo => todo.id !== todoId));
+      })
+      .catch(() => setError('Unable to delete a todo'))
+      .finally(() => setLoadingTodoId(null));
+  };
+
+  const addTodo = async (event: React.FormEvent) => {
+    event.preventDefault();
+
+    if (newTodoTitle.trim() === '') {
+      setError('Title should not be empty');
+
+      return;
+    }
+
+    const trimmedTitle = newTodoTitle.trim();
+    const tempId = Math.random();
+    const tempTodoToAdd = {
+      id: tempId,
+      title: trimmedTitle,
+      completed: false,
+      userId: USER_ID,
+    };
+
+    setTodos([...todos, tempTodoToAdd]);
+    setLoadingTodoId(tempId);
+    setIsInputDisabled(true);
+
+    try {
+      const newTodo = await Methods.addTodo({
+        title: trimmedTitle,
+        completed: false,
+        userId: USER_ID,
+      });
+
+      setTodos(currentTodos =>
+        currentTodos.map(todo => (todo.id === tempId ? newTodo : todo)),
+      );
+      setNewTodoTitle('');
+      updateCounter([...todos, tempTodoToAdd]);
+    } catch {
+      setError('Unable to add a todo');
+      setTodos(currentTodos => currentTodos.filter(todo => todo.id !== tempId));
+    } finally {
+      setLoadingTodoId(null);
+      setIsInputDisabled(false);
+    }
+  };
+
+  const clearCompletedTodos = () => {
+    const completedTodos = todos.filter(todo => todo.completed);
+
+    const deletionPromises = completedTodos.map(todo =>
+      Methods.deleteTodo(todo.id).catch(() => todo.id),
+    );
+
+    Promise.all(deletionPromises)
+      .then(results => {
+        const failedDeletions = results.filter(
+          result => typeof result === 'number',
+        );
+
+        if (failedDeletions.length > 0) {
+          setError('Unable to delete a todo');
+        }
+
+        setTodos(currentTodos =>
+          currentTodos.filter(
+            todo => !todo.completed || failedDeletions.includes(todo.id),
+          ),
+        );
+        updateCounter(todos);
+      })
+      .catch(() => setError('Unable to delete a todo'));
+  };
+
+  const filteredTodos = todos.filter(todo => {
+    switch (statusFilter) {
+      case FilterStatus.Active:
+        return !todo.completed;
+      case FilterStatus.Completed:
+        return todo.completed;
+      default:
+        return true;
+    }
+  });
+
+  const toggleTodo = (todoId: number) => {
+    const todo = todos.find(t => t.id === todoId);
+
+    if (!todo) {
+      return;
+    }
+
+    setTodos(
+      todos.map(t => (t.id === todoId ? { ...t, completed: !t.completed } : t)),
+    );
+    updateCounter(
+      todos.map(t => (t.id === todoId ? { ...t, completed: !t.completed } : t)),
+    );
+  };
+
+  const updateTodo = async (
+    todoId: number,
+    updatedFields: Partial<Todo>,
+  ): Promise<Todo> => {
+    try {
+      setTodos(prevTodos =>
+        prevTodos.map(todo =>
+          todo.id === todoId ? { ...todo, ...updatedFields } : todo,
+        ),
+      );
+
+      updateCounter(
+        todos.map(todo =>
+          todo.id === todoId ? { ...todo, ...updatedFields } : todo,
+        ),
+      );
+      const updatedTodo = await Methods.updateTodo(todoId, updatedFields);
+
+      return updatedTodo;
+    } catch {
+      setError('Unable to update a todo');
+      throw new Error('Unable to update a todo.');
+    }
+  };
+
+  const hideError = () => setError(null);
+
   if (!USER_ID) {
     return <UserWarning />;
   }
 
+  const toggleAllTodos = async () => {
+    const allCompleted = todos.every(todo => todo.completed);
+    const updatedStatus = !allCompleted;
+    const todosToUpdate = todos.filter(
+      todo => todo.completed !== updatedStatus,
+    );
+
+    try {
+      for (const todo of todosToUpdate) {
+        await Methods.updateTodo(todo.id, { completed: updatedStatus });
+      }
+
+      const updatedTodos = todos.map(todo => ({
+        ...todo,
+        completed: updatedStatus,
+      }));
+
+      setTodos(updatedTodos);
+      updateCounter(updatedTodos);
+    } catch {
+      setError('Unable to update todos');
+    }
+  };
+
   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">
+        <Header
+          newTodoTitle={newTodoTitle}
+          setNewTodoTitle={setNewTodoTitle}
+          addTodo={addTodo}
+          isInputDisabled={isInputDisabled}
+          todos={todos}
+          toggleAllTodos={toggleAllTodos}
+        />
+
+        <TodoList
+          todos={filteredTodos}
+          deleteTodo={deleteTodo}
+          loadingTodoId={loadingTodoId}
+          error={error}
+          setError={setError}
+          toggleTodo={toggleTodo}
+          updateTodo={updateTodo}
+        />
+
+        {todos.length > 0 && (
+          <Footer
+            counter={counter}
+            statusFilter={statusFilter}
+            setStatusFilter={setStatusFilter}
+            filteredTodos={todos}
+            clearCompletedTodos={clearCompletedTodos}
+          />
+        )}
+      </div>
+
+      <div
+        data-cy="ErrorNotification"
+        className={classNames(
+          'notification',
+          'is-danger',
+          'is-light',
+          'has-text-weight-normal',
+          {
+            hidden: !error,
+          },
+        )}
+      >
+        <button
+          data-cy="HideErrorButton"
+          type="button"
+          className="delete"
+          onClick={hideError}
+        />
+        {error}
+      </div>
+    </div>
   );
 };

src/api/todos.ts

@@ -0,0 +1,22 @@
+import { Todo } from '../types/Todo';
+import { client } from '../utils/fetchClient';
+
+export const USER_ID = 1868;
+
+export const getTodos = () => {
+  return client.get<Todo[]>(`/todos?userId=${USER_ID}`);
+};
+
+export const deleteTodo = (todoId: number) => {
+  return client.delete(`/todos/${todoId}`);
+};
+
+export const addTodo = (newTodo: Omit<Todo, 'id'>) => {
+  return client.post<Todo>('/todos', { ...newTodo, userId: USER_ID });
+};
+
+export const updateTodo = (todoId: number, updatedData: Partial<Todo>) => {
+  return client.patch<Todo>(`/todos/${todoId}`, updatedData);
+};
+
+// Add more methods here

src/components/Footer.tsx

@@ -0,0 +1,64 @@
+import React from 'react';
+import { FilterStatus } from '../types/FilterStatus';
+import { Todo } from '../types/Todo';
+
+interface FooterProps {
+  counter: number;
+  statusFilter: FilterStatus;
+  setStatusFilter: (filter: FilterStatus) => void;
+  filteredTodos: Todo[];
+  clearCompletedTodos: () => void;
+}
+
+export const Footer: React.FC<FooterProps> = ({
+  counter,
+  statusFilter,
+  setStatusFilter,
+  filteredTodos,
+  clearCompletedTodos,
+}) => (
+  <footer className="todoapp__footer" data-cy="Footer">
+    <span className="todo-count" data-cy="TodosCounter">
+      {counter} items left
+    </span>
+
+    <nav className="filter" data-cy="Filter">
+      <a
+        href="#/"
+        className={`filter__link ${statusFilter === FilterStatus.All ? 'selected' : ''}`}
+        data-cy="FilterLinkAll"
+        onClick={() => setStatusFilter(FilterStatus.All)} // Використовуємо FilterStatus
+      >
+        All
+      </a>
+
+      <a
+        href="#/active"
+        className={`filter__link ${statusFilter === FilterStatus.Active ? 'selected' : ''}`}
+        data-cy="FilterLinkActive"
+        onClick={() => setStatusFilter(FilterStatus.Active)} // Використовуємо FilterStatus
+      >
+        Active
+      </a>
+
+      <a
+        href="#/completed"
+        className={`filter__link ${statusFilter === FilterStatus.Completed ? 'selected' : ''}`}
+        data-cy="FilterLinkCompleted"
+        onClick={() => setStatusFilter(FilterStatus.Completed)}
+      >
+        Completed
+      </a>
+    </nav>
+
+    <button
+      type="button"
+      className="todoapp__clear-completed"
+      data-cy="ClearCompletedButton"
+      disabled={filteredTodos.filter(todo => todo.completed).length === 0}
+      onClick={clearCompletedTodos}
+    >
+      Clear completed
+    </button>
+  </footer>
+);