Solution

README.md

@@ -41,4 +41,4 @@ 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://deandre25.github.io/react_todo-app-with-api/) and add it to the PR description.

src/App.tsx

@@ -1,24 +1,12 @@
-/* eslint-disable max-len */
 /* eslint-disable jsx-a11y/control-has-associated-label */
 import React from 'react';
-import { UserWarning } from './UserWarning';
-
-const USER_ID = 0;
+import { TodoProvider } from './components/TodoContext/TodoContext';
+import TodoApp from './components/TodoApp';
 
 export const App: React.FC = () => {
-  if (!USER_ID) {
-    return <UserWarning />;
-  }
-
   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>
+    <TodoProvider>
+      <TodoApp />
+    </TodoProvider>
   );
 };

src/api/todos.ts

@@ -0,0 +1,8 @@
+import { Todo } from '../types/Todo';
+import { client } from '../utils/fetchClient';
+
+export const getTodos = (userId: number) => {
+  return client.get<Todo[]>(`/todos?userId=${userId}`);
+};
+
+// Add more methods here

src/components/TodoApp/TodoApp.tsx

@@ -0,0 +1,37 @@
+import React, { useState } from 'react';
+import TodoHeader from '../TodoHeader';
+import TodoFooter from '../TodoFooter';
+import TodoList from '../TodoList';
+import { useTodo } from '../TodoContext/TodoContext';
+import { Filter } from '../../types/Filter';
+import TodoNotification from '../TodoNotification';
+
+export const TodoApp: React.FC = () => {
+  const { todos } = useTodo();
+  const [selectedFilter, setSelectedFilter] = useState<Filter>(Filter.all);
+
+  return (
+    <div className="todoapp">
+      <h1 className="todoapp__title">todos</h1>
+
+      <div className="todoapp__content">
+        <TodoHeader />
+
+        {todos.length > 0 && (
+          <>
+            <TodoList
+              todos={todos}
+              selectedFilter={selectedFilter}
+            />
+            <TodoFooter
+              selectedFilter={selectedFilter}
+              setSelectedFilter={setSelectedFilter}
+            />
+          </>
+        )}
+      </div>
+
+      <TodoNotification />
+    </div>
+  );
+};

src/components/TodoApp/index.js

@@ -0,0 +1,3 @@
+import { TodoApp } from './TodoApp';
+
+export default TodoApp;

src/components/TodoContext/TodoContext.tsx

@@ -0,0 +1,155 @@
+import React, { useEffect, useMemo, useState } from 'react';
+import { Todo } from '../../types/Todo';
+import { getTodos } from '../../api/todos';
+import { UserWarning } from '../../UserWarning';
+
+const USER_ID = 11453;
+
+type Props = {
+  children: React.ReactNode;
+};
+
+type TodoContextValue = {
+  todos: Todo[],
+  todosUncompleted: number,
+  todosCompleted: boolean,
+  addTodo: (title: string) => void,
+  toggleTodo: (id: number) => void,
+  toogleAll: () => void,
+  deleteTodo: (id: number) => void,
+  deleteCompletedTodo: () => void,
+  updateTodo: (updatedTitle: string, id: number) => void,
+  isError: boolean,
+  setIsError: (isError: boolean) => void,
+  errorMessage: string,
+  setErrorMessage: (errorMessage: string) => void,
+};
+
+export const TodoContext = React.createContext<TodoContextValue>({
+  todos: [],
+  todosUncompleted: 0,
+  todosCompleted: false,
+  addTodo: () => { },
+  toggleTodo: () => { },
+  toogleAll: () => { },
+  deleteTodo: () => { },
+  deleteCompletedTodo: () => { },
+  updateTodo: () => { },
+  isError: false,
+  setIsError: () => { },
+  errorMessage: '',
+  setErrorMessage: () => { },
+});
+
+export const TodoProvider: React.FC<Props> = ({ children }) => {
+  const [todos, setTodos] = useState<Todo[] | []>([]);
+  const [isError, setIsError] = useState(false);
+  const [errorMessage, setErrorMessage] = useState('');
+
+  useEffect(() => {
+    if (USER_ID) {
+      getTodos(USER_ID)
+        .then(setTodos)
+        .catch((error) => {
+          throw error;
+        });
+    }
+  }, []);
+
+  const addTodo = (title: string) => {
+    const newTodo: Todo = {
+      id: +new Date(),
+      userId: USER_ID,
+      title,
+      completed: false,
+    };
+
+    setTodos([...todos, newTodo]);
+  };
+
+  const toggleTodo = (id: number) => {
+    const updatedTodos = [...todos];
+    const index = todos.findIndex(todo => todo.id === id);
+
+    if (index !== -1) {
+      updatedTodos[index].completed = !updatedTodos[index].completed;
+    }
+
+    setTodos(updatedTodos);
+  };
+
+  const toogleAll = () => {
+    const allCompleted = todos.every(todo => todo.completed === true);
+
+    const updatedTodos = todos.map(todo => ({
+      ...todo,
+      completed: !allCompleted,
+    }));
+
+    setTodos(updatedTodos);
+  };
+
+  const deleteTodo = (id: number) => {
+    const updatedTodos = [...todos];
+    const index = todos.findIndex(todo => todo.id === id);
+
+    if (index !== -1) {
+      updatedTodos.splice(index, 1);
+    }
+
+    setTodos(updatedTodos);
+  };
+
+  const deleteCompletedTodo = () => {
+    const updatedTodos = todos.filter(todo => !todo.completed);
+
+    setTodos(updatedTodos);
+  };
+
+  const updateTodo = (updatedTitle: string, id: number) => {
+    const updatedTodos = [...todos];
+    const todoToUpdate = updatedTodos.find(todo => todo.id === id);
+
+    if (todoToUpdate) {
+      todoToUpdate.title = updatedTitle;
+    }
+
+    setTodos(updatedTodos);
+  };
+
+  const todosUncompleted = useMemo(() => todos.filter(
+    todo => !todo.completed,
+  ).length, [todos]);
+
+  const todosCompleted = useMemo(
+    () => todos.some(todo => todo.completed), [todos],
+  );
+
+  const contextValue: TodoContextValue = {
+    todos,
+    todosUncompleted,
+    todosCompleted,
+    addTodo,
+    toggleTodo,
+    toogleAll,
+    deleteTodo,
+    deleteCompletedTodo,
+    updateTodo,
+    isError,
+    setIsError,
+    errorMessage,
+    setErrorMessage,
+  };
+
+  if (!USER_ID) {
+    return <UserWarning />;
+  }
+
+  return (
+    <TodoContext.Provider value={contextValue}>
+      {children}
+    </TodoContext.Provider>
+  );
+};
+
+export const useTodo = (): TodoContextValue => React.useContext(TodoContext);

src/components/TodoFooter/TodoFooter.tsx

@@ -0,0 +1,78 @@
+import React from 'react';
+import classNames from 'classnames';
+import { Filter } from '../../types/Filter';
+import { useTodo } from '../TodoContext/TodoContext';
+
+type Props = {
+  selectedFilter: Filter,
+  setSelectedFilter: (filter: Filter) => void,
+};
+
+export const TodoFooter: React.FC<Props> = ({
+  selectedFilter,
+  setSelectedFilter,
+}) => {
+  const {
+    todosCompleted,
+    todosUncompleted,
+    deleteCompletedTodo,
+  } = useTodo();
+
+  return (
+    <footer className="todoapp__footer">
+      <span className="todo-count">
+        {todosUncompleted === 1 ? (
+          '1 item left'
+        ) : (
+          `${todosUncompleted} items left`
+        )}
+      </span>
+
+      {/* Active filter should have a 'selected' class */}
+      <nav className="filter">
+        <a
+          href="#/"
+          className={classNames(
+            'filter__link',
+            { selected: selectedFilter === Filter.all },
+          )}
+          onClick={() => setSelectedFilter(Filter.all)}
+        >
+          All
+        </a>
+
+        <a
+          href="#/active"
+          className={classNames(
+            'filter__link',
+            { selected: selectedFilter === Filter.active },
+          )}
+          onClick={() => setSelectedFilter(Filter.active)}
+        >
+          Active
+        </a>
+
+        <a
+          href="#/completed"
+          className={classNames(
+            'filter__link',
+            { selected: selectedFilter === Filter.completed },
+          )}
+          onClick={() => setSelectedFilter(Filter.completed)}
+        >
+          Completed
+        </a>
+      </nav>
+
+      {todosCompleted && (
+        <button
+          type="button"
+          className="todoapp__clear-completed"
+          onClick={deleteCompletedTodo}
+        >
+          Clear completed
+        </button>
+      )}
+    </footer>
+  );
+};

src/components/TodoFooter/index.js

@@ -0,0 +1,3 @@
+import { TodoFooter } from './TodoFooter';
+
+export default TodoFooter;

src/components/TodoHeader/TodoHeader.tsx

@@ -0,0 +1,57 @@
+/* eslint-disable jsx-a11y/control-has-associated-label */
+import React, { ChangeEvent, useState } from 'react';
+import classNames from 'classnames';
+import { useTodo } from '../TodoContext/TodoContext';
+
+export const TodoHeader: React.FC = () => {
+  const {
+    todosUncompleted,
+    toogleAll,
+    addTodo,
+    setIsError,
+    setErrorMessage,
+  } = useTodo();
+  const [inputValue, setInputValue] = useState('');
+
+  const handleInputChange = (event: ChangeEvent<HTMLInputElement>) => {
+    setInputValue(event.target.value);
+  };
+
+  const handleTodoAdd = (e: React.FormEvent<HTMLFormElement>) => {
+    e.preventDefault();
+    if (!inputValue.trim()) {
+      setIsError(true);
+      setErrorMessage('Unable to add a todo');
+    } else {
+      addTodo(inputValue);
+    }
+
+    setTimeout(() => {
+      setInputValue('');
+    }, 500);
+  };
+
+  return (
+    <header className="todoapp__header">
+      <button
+        type="button"
+        className={classNames(
+          'todoapp__toggle-all',
+          { active: todosUncompleted },
+        )}
+        title="Togle All"
+        onClick={toogleAll}
+      />
+
+      <form onSubmit={handleTodoAdd}>
+        <input
+          type="text"
+          className="todoapp__new-todo"
+          placeholder="What needs to be done?"
+          value={inputValue}
+          onChange={handleInputChange}
+        />
+      </form>
+    </header>
+  );
+};

src/components/TodoHeader/index.js

@@ -0,0 +1,3 @@
+import { TodoHeader } from './TodoHeader';
+
+export default TodoHeader;