Implement todo update feature

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://OlhaMomot.github.io/react_todo-app-with-api/) and add it to the PR description.

src/App.tsx

@@ -1,24 +1,71 @@
-/* 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 React, {
+  useMemo,
+  useState,
+} from 'react';
+import { TodoList } from './components/TodoList';
+import { Header } from './components/Header';
+import { Todo } from './types/Todo';
+import { Footer } from './components/Footer';
+import { ErrorNotification } from './components/ErrorNotification';
+import { FilterOption } from './types/FilterOptions';
+import { useTodo } from './hooks/useTodo';
 
 export const App: React.FC = () => {
-  if (!USER_ID) {
-    return <UserWarning />;
-  }
+  const [filter, setFilter] = useState<string>(FilterOption.All);
+  const [tempTodo, setTempTodo] = useState<Todo | null>(null);
+
+  const {
+    todos,
+    setErrorMessage,
+    errorMessage,
+  } = useTodo();
+
+  const filteredTodos = useMemo(() => {
+    return todos.filter(({ completed }) => {
+      switch (filter) {
+        case FilterOption.Active:
+          return !completed;
+        case FilterOption.Completed:
+          return completed;
+        case FilterOption.All:
+        default:
+          return true;
+      }
+    });
+  }, [filter, todos]);
+
+  const activeTodos = useMemo(() => {
+    return todos.filter(({ completed }) => !completed);
+  }, [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
+          activeTodos={activeTodos}
+          setTempTodo={setTempTodo}
+        />
+
+        {!!filteredTodos.length
+          && <TodoList todos={filteredTodos} tempTodo={tempTodo} />}
+
+        {!!todos.length
+          && (
+            <Footer
+              activeTodos={activeTodos}
+              filter={filter}
+              setFilter={setFilter}
+            />
+          )}
+      </div>
+      <ErrorNotification
+        errorMessage={errorMessage}
+        setErrorMessage={setErrorMessage}
+      />
+    </div>
   );
 };

src/api/todos.ts

@@ -0,0 +1,18 @@
+import { Todo } from '../types/Todo';
+import { client } from '../utils/fetchClient';
+
+export const getTodos = (userId: number) => {
+  return client.get<Todo[]>(`/todos?userId=${userId}`);
+};
+
+export const addTodo = (newTodo: Omit<Todo, 'id'>) => {
+  return client.post<Todo>('/todos', newTodo);
+};
+
+export const deleteTodo = (todoId: number) => {
+  return client.delete(`/todos/${todoId}`);
+};
+
+export const updateTodo = (todoId: number, newTodo: Omit<Todo, 'id'>) => {
+  return client.patch<Todo>(`/todos/${todoId}`, newTodo);
+};

src/components/ErrorNotification.tsx

@@ -0,0 +1,49 @@
+/* eslint-disable jsx-a11y/control-has-associated-label */
+import classNames from 'classnames';
+import { useEffect } from 'react';
+
+type Props = {
+  errorMessage: string;
+  setErrorMessage: (message: string) => void;
+};
+
+export const ErrorNotification: React.FC<Props> = ({
+  errorMessage,
+  setErrorMessage,
+}) => {
+  useEffect(() => {
+    let timer: NodeJS.Timeout | undefined;
+
+    if (errorMessage) {
+      timer = setTimeout(() => {
+        setErrorMessage('');
+      }, 3000);
+    }
+
+    return () => {
+      if (timer) {
+        clearTimeout(timer);
+      }
+    };
+  }, [errorMessage]);
+
+  return (
+    <div
+      data-cy="ErrorNotification"
+      className={
+        classNames(
+          'notification is-danger is-light has-text-weight-normal',
+          { hidden: !errorMessage },
+        )
+      }
+    >
+      <button
+        data-cy="HideErrorButton"
+        type="button"
+        className="delete"
+        onClick={() => setErrorMessage('')}
+      />
+      {errorMessage}
+    </div>
+  );
+};

src/components/Footer.tsx

@@ -0,0 +1,70 @@
+import classNames from 'classnames';
+import React, { useMemo } from 'react';
+
+import { Todo } from '../types/Todo';
+import { FilterOption } from '../types/FilterOptions';
+import { useTodo } from '../hooks/useTodo';
+
+type Props = {
+  activeTodos: Todo[],
+  filter: string,
+  setFilter: (filter: string) => void,
+};
+
+export const Footer: React.FC<Props> = ({
+  activeTodos,
+  filter,
+  setFilter,
+}) => {
+  const { todos, deleteTodoHandler } = useTodo();
+
+  const completedTodos = useMemo(() => {
+    return todos.filter(({ completed }) => completed === true);
+  }, [todos]);
+
+  const handleDeleteCompletedTodos = () => {
+    Promise.all(completedTodos
+      .map(({ id }) => deleteTodoHandler(id)));
+  };
+
+  const isClearButtonInvisible = completedTodos.length === 0;
+
+  return (
+    <footer className="todoapp__footer" data-cy="Footer">
+      <span className="todo-count" data-cy="TodosCounter">
+        {activeTodos.length > 1
+          ? `${activeTodos.length} items left`
+          : '1 item left'}
+      </span>
+
+      <nav className="filter" data-cy="Filter">
+        {Object.values(FilterOption).map((option) => (
+          <a
+            key={option}
+            data-cy={`FilterLink${option}`}
+            href={`#/${option.toLowerCase()}`}
+            className={classNames(
+              'filter__link',
+              { selected: option === filter },
+            )}
+            onClick={() => setFilter(option)}
+          >
+            {option}
+          </a>
+        ))}
+      </nav>
+
+      <button
+        type="button"
+        className={classNames('todoapp__clear-completed', {
+          'is-invisible': isClearButtonInvisible,
+        })}
+        data-cy="ClearCompletedButton"
+        onClick={handleDeleteCompletedTodos}
+        disabled={isClearButtonInvisible}
+      >
+        Clear completed
+      </button>
+    </footer>
+  );
+};

src/components/Header.tsx

@@ -0,0 +1,119 @@
+/* eslint-disable jsx-a11y/control-has-associated-label */
+import React, {
+  useEffect, useRef, useState,
+} from 'react';
+import classNames from 'classnames';
+
+import { Todo } from '../types/Todo';
+import { USER_ID } from '../utils/constants';
+import { useTodo } from '../hooks/useTodo';
+
+type Props = {
+  activeTodos: Todo[];
+  setTempTodo: (todo: Todo | null) => void;
+};
+
+export const Header: React.FC<Props> = ({ activeTodos, setTempTodo }) => {
+  const [title, setTitle] = useState('');
+  const [titleError, setTitleError] = useState(false);
+  const [isSubmiting, setIsSubmiting] = useState(false);
+  const todoTitleField = useRef<HTMLInputElement>(null);
+  const {
+    todos,
+    setErrorMessage,
+    addTodoHandler,
+    updateTodoHandler,
+  } = useTodo();
+
+  useEffect(() => {
+    if (todoTitleField.current) {
+      todoTitleField.current.focus();
+    }
+  });
+
+  const handleTitleChange = (event: React.ChangeEvent<HTMLInputElement>) => {
+    setTitle(event?.target.value);
+
+    if (titleError) {
+      setTitleError(false);
+    }
+  };
+
+  const handleSubmit = async (event: React.FormEvent<HTMLFormElement>) => {
+    event.preventDefault();
+    setIsSubmiting(true);
+    const newTitle = title.trim();
+
+    if (!newTitle) {
+      setErrorMessage('Title should not be empty');
+      setIsSubmiting(false);
+
+      return;
+    }
+
+    const newTodo = {
+      title: newTitle,
+      userId: USER_ID,
+      completed: false,
+    };
+
+    setTempTodo({ id: 0, ...newTodo });
+
+    try {
+      await addTodoHandler(newTodo);
+
+      setIsSubmiting(false);
+
+      setTitle('');
+      setTempTodo(null);
+    } catch (error) {
+      setIsSubmiting(false);
+      setTempTodo(null);
+    }
+  };
+
+  const onToggleAll = async () => {
+    if (activeTodos.length) {
+      Promise.all(activeTodos
+        .map(currentTodo => updateTodoHandler(
+          currentTodo,
+          { completed: true },
+        )));
+    } else {
+      Promise.all(todos
+        .map(currentTodo => updateTodoHandler(
+          currentTodo,
+          { completed: false },
+        )));
+    }
+  };
+
+  return (
+    <header className="todoapp__header">
+      {!!todos.length
+        && (
+          <button
+            type="button"
+            className={classNames(
+              'todoapp__toggle-all',
+              { active: !activeTodos.length },
+            )}
+            data-cy="ToggleAllButton"
+            onClick={onToggleAll}
+          />
+        )}
+      <form onSubmit={handleSubmit}>
+        <input
+          ref={todoTitleField}
+          data-cy="NewTodoField"
+          type="text"
+          className="todoapp__new-todo"
+          placeholder="What needs to be done?"
+          value={title}
+          onChange={handleTitleChange}
+          disabled={isSubmiting}
+        />
+      </form>
+    </header>
+  );
+};