solution

README.md

@@ -10,6 +10,7 @@ and implement the ability to toggle and rename todos.
 ## Toggling a todo status
 
 Toggle the `completed` status on `TodoStatus` change:
+
 - Install Prettier Extention and use this [VSCode settings](https://mate-academy.github.io/fe-program/tools/vscode/settings.json) to enable format on save.
 - covered the todo with a loader overlay while waiting for API response;
 - the status should be changed on success;
@@ -38,6 +39,7 @@ Implement the ability to edit a todo title on double click:
 - or the deletion error message if we tried to delete the todo.
 
 ## If you want to enable tests
+
 - open `cypress/integration/page.spec.js`
 - replace `describe.skip` with `describe` for the root `describe`
 
@@ -47,4 +49,4 @@ 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://naviailpach.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 +1,240 @@
-/* eslint-disable max-len */
-/* eslint-disable jsx-a11y/control-has-associated-label */
-import React from 'react';
+import React, { useEffect, useRef, useState } from 'react';
 import { UserWarning } from './UserWarning';
-
-const USER_ID = 0;
+import * as todoService from './api/todos';
+import { Filter } from './utils/Filter';
+import { Todo } from './types/todo';
+import { ErrorMessage } from './utils/ErrorMessage';
+import { ErrorNotification } from './components/ErrorNotification';
+import { TodoFooter } from './components/TodoFooter';
+import { TodoList } from './components/TodoList';
+import { TodoHeader } from './components/TodoHeader';
 
 export const App: React.FC = () => {
-  if (!USER_ID) {
+  const [todos, setTodos] = useState<Todo[]>([]);
+  const [errorMessage, setErrorMessage] = useState(ErrorMessage.Empty);
+  const [filter, setFilter] = useState<Filter>(Filter.All);
+  const [query, setQuery] = useState('');
+  const [tempTodo, setTempTodo] = useState<Todo | null>(null);
+
+  const [isLoading, setIsLoading] = useState(false);
+  const [loadingIds, setLoadingIds] = useState<number[]>([]);
+
+  useEffect(() => {
+    todoService
+      .getTodos()
+      .then(setTodos)
+      .catch(() => {
+        setErrorMessage(ErrorMessage.Load);
+      });
+  }, []);
+
+  useEffect(() => {
+    if (!errorMessage) {
+      return;
+    }
+
+    const timer = setTimeout(() => {
+      setErrorMessage(ErrorMessage.Empty);
+    }, 3000);
+
+    return () => clearTimeout(timer);
+  }, [errorMessage]);
+
+  const filteredTodos = todos.filter(todo => {
+    switch (filter) {
+      case 'active':
+        return !todo.completed;
+
+      case 'completed':
+        return todo.completed;
+
+      default:
+        return true;
+    }
+  });
+
+  const addTodo = ({ title, completed, userId }: Omit<Todo, 'id'>) => {
+    setTempTodo({ id: 0, title, completed, userId });
+    setIsLoading(true);
+
+    todoService
+      .createTodo({ title, completed, userId })
+      .then(newTodo => {
+        setTodos(currentTodos => [...currentTodos, newTodo]);
+        setQuery('');
+      })
+      .catch(() => {
+        setErrorMessage(ErrorMessage.Add);
+      })
+      .finally(() => {
+        setTempTodo(null);
+        setIsLoading(false);
+      });
+  };
+
+  const inputRef = useRef<HTMLInputElement>(null);
+
+  useEffect(() => {
+    if (!isLoading) {
+      inputRef.current?.focus();
+    }
+  }, [isLoading]);
+
+  const handleSubmit = (event: React.FormEvent<HTMLFormElement>) => {
+    event.preventDefault();
+
+    if (!query.trim()) {
+      setErrorMessage(ErrorMessage.TitleEmpty);
+
+      return;
+    }
+
+    addTodo({
+      title: query.trim(),
+      completed: false,
+      userId: todoService.USER_ID,
+    });
+  };
+
+  const deleteTodo = (todoId: number, onSuccess?: () => void) => {
+    setLoadingIds(current => [...current, todoId]);
+
+    todoService
+      .deleteTodo(todoId)
+      .then(() => {
+        setTodos(currentTodos =>
+          currentTodos.filter(todo => todo.id !== todoId),
+        );
+
+        onSuccess?.();
+      })
+      .catch(() => {
+        setErrorMessage(ErrorMessage.Delete);
+      })
+      .finally(() => {
+        setLoadingIds(current => current.filter(id => id !== todoId));
+        if (!onSuccess) {
+          inputRef.current?.focus();
+        }
+      });
+  };
+
+  const handleFilterChange = (
+    event: React.MouseEvent<HTMLAnchorElement>,
+    value: Filter,
+  ) => {
+    event.preventDefault();
+    setFilter(value);
+  };
+
+  const clearCompleted = () => {
+    const completedTodos = todos.filter(todo => todo.completed);
+
+    setLoadingIds(current => [
+      ...current,
+      ...completedTodos.map(todo => todo.id),
+    ]);
+
+    Promise.allSettled(
+      completedTodos.map(todo => todoService.deleteTodo(todo.id)),
+    ).then(results => {
+      const failedInds = results.some(result => result.status === 'rejected');
+
+      if (failedInds) {
+        setErrorMessage(ErrorMessage.Delete);
+      }
+
+      const successfulIds = results
+        .map((result, index) =>
+          result.status === 'fulfilled' ? completedTodos[index].id : -1,
+        )
+        .filter(id => id !== -1);
+
+      setTodos(current =>
+        current.filter(todo => !successfulIds.includes(todo.id)),
+      );
+
+      inputRef.current?.focus();
+    });
+  };
+
+  const updateTodo = (updatedTodo: Todo, onSuccess?: () => void) => {
+    setLoadingIds(current => [...current, updatedTodo.id]);
+
+    todoService
+      .updateTodo(updatedTodo)
+      .then(todo => {
+        setTodos(currentTodos => {
+          const newTodos = [...currentTodos];
+          const index = newTodos.findIndex(t => t.id === updatedTodo.id);
+
+          newTodos.splice(index, 1, todo);
+
+          return newTodos;
+        });
+
+        onSuccess?.();
+      })
+      .catch(() => {
+        setErrorMessage(ErrorMessage.Update);
+      })
+      .finally(() => {
+        setLoadingIds(current => current.filter(id => id !== updatedTodo.id));
+      });
+  };
+
+  const toggleAll = () => {
+    const allCompleted = todos.every(todo => todo.completed);
+    const todosToToggle = todos.filter(todo => todo.completed === allCompleted);
+
+    todosToToggle.forEach(todo => {
+      updateTodo({ ...todo, completed: !allCompleted });
+    });
+  };
+
+  if (!todoService.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">
+        <TodoHeader
+          todos={todos}
+          query={query}
+          inputRef={inputRef}
+          isLoading={isLoading}
+          onQueryChange={setQuery}
+          onSubmit={handleSubmit}
+          toggleAll={toggleAll}
+        />
+
+        {todos.length > 0 && (
+          <TodoList
+            todos={filteredTodos}
+            tempTodo={tempTodo}
+            loadingIds={loadingIds}
+            onDelete={deleteTodo}
+            updateTodo={updateTodo}
+          />
+        )}
+
+        {todos.length > 0 && (
+          <TodoFooter
+            todos={todos}
+            filter={filter}
+            onFilterChange={handleFilterChange}
+            clearCompleted={clearCompleted}
+          />
+        )}
+      </div>
+
+      <ErrorNotification
+        errorMessage={errorMessage}
+        onClose={() => setErrorMessage(ErrorMessage.Empty)}
+      />
+    </div>
   );
 };

src/api/todos.ts

@@ -0,0 +1,20 @@
+import { Todo } from '../types/todo';
+import { client } from '../utils/fetchClient';
+
+export const USER_ID = 4193;
+
+export const getTodos = () => {
+  return client.get<Todo[]>(`/todos?userId=${USER_ID}`);
+};
+
+export const deleteTodo = (todoId: number) => {
+  return client.delete<number>(`/todos/${todoId}`);
+};
+
+export const createTodo = ({ title, completed, userId }: Omit<Todo, 'id'>) => {
+  return client.post<Todo>('/todos', { title, completed, userId });
+};
+
+export const updateTodo = ({ id, title, completed, userId }: Todo) => {
+  return client.patch<Todo>(`/todos/${id}`, { title, completed, userId });
+};

src/components/ErrorNotification/ErrorNotification.tsx

@@ -0,0 +1,31 @@
+import classNames from 'classnames';
+
+import React from 'react';
+
+type Props = {
+  errorMessage: string;
+  onClose: () => void;
+};
+
+export const ErrorNotification: React.FC<Props> = ({
+  errorMessage,
+  onClose,
+}) => (
+  <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={onClose}
+    />
+    {errorMessage}
+  </div>
+);

src/components/ErrorNotification/index.ts

@@ -0,0 +1 @@
+export { ErrorNotification } from './ErrorNotification';