Develop

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://Irina0401.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 +1,283 @@
+/* eslint-disable jsx-a11y/label-has-associated-control */
 /* 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 { USER_ID, addTodo, deleteTodo } from './api.ts/todos';
+import { useEffect, useState, useRef } from 'react';
+import { getTodos } from './api.ts/todos';
+import { Todo, FilterType, ErrorMessage } from './types/Todo';
+import { Header } from './components/Header';
+import { TodoItem } from './components/TodoItem';
+import { ErrorNotification } from './components/ErrorNotification';
+import { Footer } from './components/Footer';
+import { TempTodoItem } from './components/TempTodoItem';
+import { updateTodo } from './api.ts/todos';
 
 export const App: React.FC = () => {
+  const field = useRef<HTMLInputElement>(null);
+  const [todos, setTodos] = useState<Todo[]>([]);
+  const [error, setError] = useState('');
+  const [filter, setFilter] = useState<FilterType>(FilterType.All);
+  const [loading, setLoading] = useState(false);
+  const [todoTitle, setTodoTitle] = useState('');
+  const [tempTodo, setTempTodo] = useState<Todo | null>(null);
+  const [deletingIds, setDeletingIds] = useState<number[]>([]);
+  const [updatingIds, setUpdatingIds] = useState<number[]>([]);
+
+  function showError(message: string) {
+    setError(message);
+    setTimeout(() => {
+      setError('');
+    }, 3000);
+  }
+
+  async function loadTodos() {
+    setError('');
+    setLoading(true);
+    try {
+      const result = await getTodos();
+
+      setTodos(result);
+      field.current?.focus();
+    } catch {
+      showError(ErrorMessage.UnableLoadTodos);
+    } finally {
+      setLoading(false);
+    }
+  }
+
+  async function handleAddTodo(event: React.FormEvent) {
+    setError('');
+    event.preventDefault();
+
+    const title = todoTitle.trim();
+
+    if (!title) {
+      showError(ErrorMessage.TitleEmpty);
+
+      return;
+    }
+
+    const todo = {
+      id: 0,
+      completed: false,
+      title,
+      userId: USER_ID,
+    };
+
+    setTempTodo(todo);
+
+    try {
+      setLoading(true);
+      const newTodo = await addTodo(title);
+
+      setTodos([...todos, newTodo]);
+      setTodoTitle('');
+      setTempTodo(null);
+    } catch {
+      showError(ErrorMessage.UnableAddTodo);
+      setTempTodo(null);
+    } finally {
+      setLoading(false);
+      field.current?.focus();
+    }
+  }
+
+  async function handleDeleteTodo(id: number) {
+    setDeletingIds([...deletingIds, id]);
+
+    try {
+      await deleteTodo(id);
+      setTodos(todos.filter(todo => todo.id !== id));
+    } catch {
+      showError(ErrorMessage.UnableDeleteTodo);
+    } finally {
+      setDeletingIds(deletingIds.filter(delId => delId !== id));
+    }
+  }
+
+  async function handleToggleTodo(todo: Todo) {
+    setError('');
+    setUpdatingIds([...updatingIds, todo.id]);
+
+    try {
+      const updatedTodo = await updateTodo(todo.id, {
+        completed: !todo.completed,
+      });
+
+      setTodos(todos.map(t => (t.id === updatedTodo.id ? updatedTodo : t)));
+    } catch {
+      showError(ErrorMessage.UnableToggleTodo);
+    } finally {
+      setUpdatingIds(updatingIds.filter(updId => updId !== todo.id));
+    }
+  }
+
+  const toggleAll = todos.every(todo => todo.completed);
+
+  async function handleToggleAll() {
+    setError('');
+    const newStatus = !toggleAll;
+    const todosToUpdate = todos.filter(todo => todo.completed !== newStatus);
+    const updatingIdsArray = todosToUpdate.map(todo => todo.id);
+
+    setUpdatingIds(prev => [...prev, ...updatingIdsArray]);
+    try {
+      const result = await Promise.allSettled(
+        todosToUpdate.map(todo =>
+          updateTodo(todo.id, { completed: newStatus }),
+        ),
+      );
+      const hasErrors = result.some(r => r.status === 'rejected');
+
+      if (hasErrors) {
+        showError(ErrorMessage.UnableToggleTodo);
+      }
+
+      const successfulUpd: Todo[] = [];
+
+      result.forEach(res => {
+        if (res.status === 'fulfilled') {
+          successfulUpd.push(res.value);
+        }
+      });
+      setTodos(currentTodos =>
+        currentTodos.map(todo => {
+          const upd = successfulUpd.find(u => u.id === todo.id);
+
+          return upd ? upd : todo;
+        }),
+      );
+    } catch {
+      showError(ErrorMessage.UnableToggleTodo);
+    } finally {
+      setUpdatingIds(prev => prev.filter(id => !updatingIdsArray.includes(id)));
+    }
+  }
+
+  useEffect(() => {
+    if (!loading) {
+      field.current?.focus();
+    }
+  }, [loading]);
+
+  useEffect(() => {
+    loadTodos();
+  }, []);
+
+  useEffect(() => {
+    if (deletingIds.length === 0 && !loading) {
+      field.current?.focus();
+    }
+  }, [deletingIds, loading]);
+
   if (!USER_ID) {
     return <UserWarning />;
   }
 
+  function getFilteredTodos() {
+    if (filter === FilterType.All) {
+      return todos;
+    }
+
+    if (filter === FilterType.Active) {
+      return todos.filter(todo => !todo.completed);
+    }
+
+    if (filter === FilterType.Completed) {
+      return todos.filter(todo => todo.completed);
+    }
+
+    return todos;
+  }
+
+  async function handleClearCompleted() {
+    setError('');
+    const completedIds = todos
+      .filter(todo => todo.completed)
+      .map(todo => todo.id);
+
+    setDeletingIds([...deletingIds, ...completedIds]);
+
+    try {
+      const result = await Promise.allSettled(
+        completedIds.map(id => deleteTodo(id)),
+      );
+
+      const hasErrors = result.some(r => r.status === 'rejected');
+
+      if (hasErrors) {
+        showError(ErrorMessage.UnableDeleteTodo);
+      }
+
+      const successfulIds = completedIds.filter(
+        (id, index) => result[index].status === 'fulfilled',
+      );
+
+      setTodos(todos.filter(todo => !successfulIds.includes(todo.id)));
+    } finally {
+      setDeletingIds([]);
+    }
+  }
+
+  const filteredTodos = getFilteredTodos();
+  const activeTodosCount = todos.filter(todo => !todo.completed).length;
+  const completedTodosCount = todos.filter(todo => todo.completed).length;
+
   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
+          todos={todos}
+          activeTodosCount={activeTodosCount}
+          loading={loading}
+          field={field}
+          todoTitle={todoTitle}
+          handleAddTodo={handleAddTodo}
+          setTodoTitle={setTodoTitle}
+          toggleAll={toggleAll}
+          handleToggleAll={handleToggleAll}
+        />
+
+        {(filteredTodos.length > 0 || tempTodo) && (
+          <section className="todoapp__main" data-cy="TodoList">
+            {filteredTodos.map(todo => (
+              <TodoItem
+                key={todo.id}
+                todo={todo}
+                loading={loading}
+                deletingIds={deletingIds}
+                handleDeleteTodo={handleDeleteTodo}
+                updatingIds={updatingIds}
+                handleToggleTodo={handleToggleTodo}
+                showError={showError}
+                setTodos={setTodos}
+                setUpdatingIds={setUpdatingIds}
+              />
+            ))}
+
+            <TempTodoItem tempTodo={tempTodo} />
+          </section>
+        )}
+
+        {/* Hide the footer if there are no todos */}
+        {todos.length > 0 && (
+          <Footer
+            activeTodosCount={activeTodosCount}
+            filter={filter}
+            setFilter={setFilter}
+            completedTodosCount={completedTodosCount}
+            handleClearCompleted={handleClearCompleted}
+          />
+        )}
+      </div>
+
+      {/* DON'T use conditional rendering to hide the notification */}
+      {/* Add the 'hidden' class to hide the message smoothly */}
+      <ErrorNotification error={error} loading={loading} setError={setError} />
+    </div>
   );
 };

src/api.ts/todos.ts

@@ -0,0 +1,25 @@
+import { Todo } from '../types/Todo';
+import { client } from '../utils/fetchClient';
+
+export const USER_ID = 3837;
+
+export const getTodos = () => {
+  return client.get<Todo[]>(`/todos?userId=${USER_ID}`);
+};
+
+// Add more methods here
+export const addTodo = (title: string) => {
+  return client.post<Todo>(`/todos`, {
+    title,
+    userId: USER_ID,
+    completed: false,
+  });
+};
+
+export const deleteTodo = (id: number) => {
+  return client.delete(`/todos/${id}`);
+};
+
+export const updateTodo = (id: number, data: Partial<Todo>) => {
+  return client.patch<Todo>(`/todos/${id}`, data);
+};

src/components/ErrorNotification.tsx

@@ -0,0 +1,31 @@
+import React from 'react';
+
+interface ErrorNotificationProps {
+  error: string;
+  loading: boolean;
+  setError: (error: string) => void;
+}
+
+export const ErrorNotification: React.FC<ErrorNotificationProps> = ({
+  error,
+  loading,
+  setError,
+}) => {
+  return (
+    <div
+      data-cy="ErrorNotification"
+      className={`notification is-danger is-light has-text-weight-normal ${
+        error ? '' : 'hidden'
+      }`}
+    >
+      <button
+        data-cy="HideErrorButton"
+        type="button"
+        className="delete"
+        disabled={loading}
+        onClick={() => setError('')}
+      />
+      {error}
+    </div>
+  );
+};