Develop

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 +1,289 @@
-/* eslint-disable max-len */
+/* eslint-disable jsx-a11y/label-has-associated-control */
 /* eslint-disable jsx-a11y/control-has-associated-label */
-import React from 'react';
+import React, { useState, useEffect } from 'react';
+
 import { UserWarning } from './UserWarning';
+import { USER_ID } from './api/todos';
+import { Header } from './components/Header/Header';
+import { TodoList } from './components/TodoList/TodoList';
+import { TempTodo } from './components/TempTodo/TempTodo';
+import { Footer } from './components/Footer/Fotter';
+import { Error } from './components/Error/Erros';
+import { getTodos, addTodo, deleteTodo, updateTodo } from './api/todos';
+
+import { Todo } from './types/Todo';
+import { TodoStatus } from './types/Status';
 
-const USER_ID = 0;
+function filterTodos(todos: Todo[], status: TodoStatus) {
+  const todosCopy = [...todos];
+
+  switch (status) {
+    case TodoStatus.active:
+      return todosCopy.filter(todo => !todo.completed);
+    case TodoStatus.completed:
+      return todosCopy.filter(todo => todo.completed);
+    case TodoStatus.all:
+      return todosCopy;
+  }
+}
 
 export const App: React.FC = () => {
+  const [todos, setTodos] = useState<Todo[]>([]);
+  const [errorMessage, setErrorMessage] = useState('');
+  const [status, setStatus] = useState<TodoStatus>(TodoStatus.all);
+  const [title, setTitle] = useState('');
+  const [loading, setLoading] = useState(false);
+  const [tempTodo, setTempTodo] = useState<Todo | null>(null);
+  const [processedIs, setProcessedIs] = useState<number[]>([]);
+  const areAllTodosCompleted = todos.every(todo => todo.completed);
+  const noTodos = todos.length === 0;
+  const filteredTodos = filterTodos(todos, status);
+
+  useEffect(() => {
+    getTodos()
+      .then(setTodos)
+      .catch(() => setErrorMessage('Unable to load todos'));
+  }, []);
+
+  const handleSubmit = (e: React.FormEvent<HTMLFormElement>) => {
+    e.preventDefault();
+
+    const normalizeTitle = title.trim();
+
+    if (!normalizeTitle) {
+      setErrorMessage('Title should not be empty');
+
+      return;
+    }
+
+    setLoading(true);
+    const newTodo = {
+      userId: 2042,
+      title: normalizeTitle,
+      completed: false,
+    };
+
+    setTempTodo({
+      id: 0,
+      ...newTodo,
+    });
+
+    addTodo(newTodo)
+      .then(response => {
+        setTitle('');
+        setTodos(existing => [...existing, response]);
+        setLoading(false);
+      })
+      .catch(() => setErrorMessage('Unable to add a todo'))
+      .finally(() => {
+        setLoading(false);
+        setTempTodo(null);
+      });
+  };
+
+  const handleDeleteOneTodo = (id: number) => {
+    setLoading(true);
+    setProcessedIs(existing => [...existing, id]);
+    deleteTodo(id)
+      .then(() => {
+        setTodos(existing => existing.filter(current => current.id !== id));
+      })
+      .catch(() => setErrorMessage('Unable to delete a todo'))
+      .finally(() => {
+        setProcessedIs([]);
+        setLoading(false);
+      });
+  };
+
+  const handleDeleteCompletedTodos = () => {
+    todos.forEach(todo => {
+      if (todo.completed) {
+        setLoading(true);
+        setProcessedIs(existing => [...existing, todo.id]);
+        deleteTodo(todo.id)
+          .then(() =>
+            setTodos(existing =>
+              existing.filter(current => current.id !== todo.id),
+            ),
+          )
+          .catch(() => setErrorMessage('Unable to delete a todo'))
+          .finally(() => {
+            setLoading(false);
+            setProcessedIs(existing => existing.filter(id => id !== todo.id));
+          });
+      }
+    });
+  };
+
+  const handleStatusUpdate = (id: number) => {
+    setProcessedIs(existing => [...existing, id]);
+
+    const changeItem = todos.find(todo => todo.id === id);
+
+    if (changeItem) {
+      const toUpdate = { completed: !changeItem.completed };
+
+      updateTodo(id, toUpdate)
+        .then(() => {
+          setTodos(existing =>
+            existing.map(el =>
+              el.id === id ? { ...el, completed: toUpdate.completed } : el,
+            ),
+          );
+        })
+        .catch(() => setErrorMessage('Unable to update a todo'))
+        .finally(() => {
+          setProcessedIs([]);
+        });
+    }
+  };
+
+  const handleTotalStatusUpdate = () => {
+    if (!areAllTodosCompleted) {
+      todos.forEach(todo => {
+        if (!todo.completed) {
+          setLoading(true);
+          setProcessedIs(existing => [...existing, todo.id]);
+          const toUpdate = { completed: true };
+
+          updateTodo(todo.id, toUpdate)
+            .then(() => {
+              setTodos(existing =>
+                existing.map(el =>
+                  el.id === todo.id
+                    ? { ...el, completed: toUpdate.completed }
+                    : el,
+                ),
+              );
+            })
+            .catch(() => setErrorMessage('Unable to update a todo'))
+            .finally(() => {
+              setLoading(false);
+              setProcessedIs(existing => existing.filter(id => id !== todo.id));
+            });
+        }
+      });
+    }
+
+    if (areAllTodosCompleted) {
+      todos.forEach(todo => {
+        setLoading(true);
+        setProcessedIs(existing => [...existing, todo.id]);
+        const toUpdate = { completed: false };
+
+        updateTodo(todo.id, toUpdate)
+          .then(() => {
+            setTodos(existing =>
+              existing.map(el =>
+                el.id === todo.id
+                  ? { ...el, completed: toUpdate.completed }
+                  : el,
+              ),
+            );
+          })
+          .catch(() => setErrorMessage('Unable to update a todo'))
+          .finally(() => {
+            setLoading(false);
+            setProcessedIs(existing => existing.filter(id => id !== todo.id));
+          });
+      });
+    }
+  };
+
+  const handleTitleUpdate = (
+    id: number,
+    newTitle: string,
+    setTitleBeingUpdated: React.Dispatch<React.SetStateAction<boolean>>,
+    isTitleChanged: boolean,
+    e?: React.FormEvent<HTMLFormElement>,
+  ) => {
+    e?.preventDefault();
+
+    const normalizeNewTitle = newTitle.trim();
+
+    if (!normalizeNewTitle) {
+      handleDeleteOneTodo(id);
+
+      return;
+    }
+
+    if (!isTitleChanged) {
+      setTitleBeingUpdated(false);
+
+      return;
+    }
+
+    const changeItem = todos.find(todo => todo.id === id);
+    const toUpdate = { title: normalizeNewTitle };
+
+    if (changeItem) {
+      setProcessedIs(existing => [...existing, id]);
+      updateTodo(id, toUpdate)
+        .then(() => {
+          setTodos(existing =>
+            existing.map(el =>
+              el.id === id ? { ...el, title: toUpdate.title } : el,
+            ),
+          );
+          setTitleBeingUpdated(false);
+        })
+        .catch(() => setErrorMessage('Unable to update a todo'))
+        .finally(() => {
+          setProcessedIs([]);
+        });
+    }
+  };
+
+  const handleKeyUp = (
+    event: React.KeyboardEvent<HTMLInputElement>,
+    setTitleBeingUpdated: React.Dispatch<React.SetStateAction<boolean>>,
+  ) => {
+    if (event.key === 'Escape') {
+      setTitleBeingUpdated(false);
+    }
+  };
+
   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>
+    <div className="todoapp">
+      <h1 className="todoapp__title">todos</h1>
+
+      <div className="todoapp__content">
+        <Header
+          allTodosCompleted={areAllTodosCompleted}
+          noTodos={noTodos}
+          onSubmit={handleSubmit}
+          loading={loading}
+          title={title}
+          onTitleChange={value => setTitle(value)}
+          onTotalStatusUpdate={handleTotalStatusUpdate}
+        />
+
+        <TodoList
+          filteredTodos={filteredTodos}
+          onDelete={handleDeleteOneTodo}
+          onStatusUpdate={handleStatusUpdate}
+          onUpdatedTitleSubmit={handleTitleUpdate}
+          onKeyUp={handleKeyUp}
+          processedIs={processedIs}
+        />
+
+        {tempTodo && <TempTodo todo={tempTodo} />}
+
+        {!noTodos && (
+          <Footer
+            todos={todos}
+            status={status}
+            onStatusChange={(value: TodoStatus) => setStatus(value)}
+            clearCompletedTodos={handleDeleteCompletedTodos}
+          />
+        )}
+      </div>
+
+      <Error errorMessage={errorMessage} hideError={setErrorMessage} />
+    </div>
   );
 };

src/api/todos.ts

@@ -0,0 +1,22 @@
+import { Todo } from '../types/Todo';
+import { client } from '../utils/fetchClient';
+
+export const USER_ID = 2042;
+
+export const getTodos = () => {
+  return client.get<Todo[]>(`/todos?userId=${USER_ID}`);
+};
+
+export const addTodo = (todoData: Omit<Todo, 'id'>) => {
+  return client.post<Todo>('/todos', todoData);
+};
+
+export const deleteTodo = (todoId: number) => {
+  return client.delete(`/todos/${todoId}`);
+};
+
+export const updateTodo = (todoId: number, todoData: Partial<Todo>) => {
+  return client.patch(`/todos/${todoId}`, todoData);
+};
+
+// Add more methods here

src/components/Error/Erros.tsx

@@ -0,0 +1,34 @@
+import React, { useEffect } from 'react';
+import classNames from 'classnames';
+
+type Props = {
+  errorMessage: string;
+  hideError: (arg: string) => void;
+};
+
+export const Error: React.FC<Props> = ({ errorMessage, hideError }) => {
+  useEffect(() => {
+    setTimeout(() => hideError(''), 3000);
+  });
+
+  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={() => hideError('')}
+      />
+      {errorMessage}
+    </div>
+  );
+};