need help

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://hyper2307.github.io/react_todo-app-with-api/) and add it to the PR description.

src/App.tsx

@@ -1,24 +1,27 @@
-/* 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 { Header } from './components/Header';
+import { TodoList } from './components/TodoList';
+import { Footer } from './components/Footer';
+import { TodosProvider } from './TodosContext/TodosContext';
+import { ErrorsNotifications } from './components/ErrorsNotifications';
 
 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>
+    <TodosProvider>
+      <div className="todoapp">
+        <h1 className="todoapp__title">todos</h1>
+
+        <div className="todoapp__content">
+          <Header />
+
+          <TodoList />
+
+          <Footer />
+        </div>
 
-      <p className="subtitle">Styles are already copied</p>
-    </section>
+        <ErrorsNotifications />
+      </div>
+    </TodosProvider>
   );
 };

src/TodosContext/TodosContext.tsx

@@ -0,0 +1,93 @@
+import React, { useEffect, useState } from 'react';
+import { Todo } from '../types/Todo';
+import { getTodos } from '../api/todos';
+import { USER_ID } from '../utils/USER_ID';
+import { TodosContextType } from '../types/TodosContextType';
+import { SortType } from '../types/SortType';
+
+export const TodosContext = React.createContext<TodosContextType>({
+  todos: [],
+  setTodos: () => {},
+  errorMessage: '',
+  setErrorMessage: () => {},
+  preparedTodos: [],
+  sortQuery: '',
+  setSortQuery: () => {},
+  tempTodo: {
+    id: 0,
+    userId: 0,
+    title: '',
+    completed: false,
+  },
+  setTempTodo: () => {},
+  todosInProcess: [],
+  setTodosInProcess: () => {},
+  completedTodos: [],
+});
+
+type Props = {
+  children: React.ReactNode,
+};
+
+export const TodosProvider: React.FC<Props> = ({ children }) => {
+  const [todos, setTodos] = useState<Todo[] | null>(null);
+  const [errorMessage, setErrorMessage] = useState('');
+  const [sortQuery, setSortQuery] = useState(SortType.All);
+  const [tempTodo, setTempTodo] = useState<Todo | null>(null);
+  const [todosInProcess, setTodosInProcess] = useState<number[]>([]);
+
+  useEffect(() => {
+    getTodos(USER_ID)
+      .then(todosFromServer => {
+        setTodos(() => {
+          if (todosFromServer) {
+            return todosFromServer;
+          }
+
+          return null;
+        });
+      })
+      .catch(() => {
+        setErrorMessage('Unable to load todos');
+      });
+  }, []);
+
+  const preparedTodos = sortQuery !== SortType.All
+    ? (todos?.filter(todo => {
+      switch (sortQuery as SortType) {
+        case SortType.Active:
+          return !todo.completed;
+
+        default:
+          return todo.completed;
+      }
+    }) || todos)
+    : (
+      todos
+    );
+
+  const completedTodos = todos?.filter(todo => (
+    todo.completed
+  ));
+
+  return (
+    <TodosContext.Provider
+      value={{
+        todos,
+        setTodos,
+        errorMessage,
+        setErrorMessage,
+        preparedTodos,
+        sortQuery,
+        setSortQuery,
+        tempTodo,
+        setTempTodo,
+        todosInProcess,
+        setTodosInProcess,
+        completedTodos,
+      }}
+    >
+      {children}
+    </TodosContext.Provider>
+  );
+};

src/api/todos.ts

@@ -0,0 +1,26 @@
+import { Todo } from '../types/Todo';
+import { client } from '../utils/fetchClient';
+
+export const getTodos = (userId: number) => {
+  return client.get<Todo[]>(`/todos?userId=${userId}`);
+};
+
+export const addTodo = (data: Omit<Todo, 'id'>) => {
+  return client.post<Todo>('/todos', data);
+};
+
+export const removeTodo = (todoId: number) => {
+  return client.delete(`/todos/${todoId}`);
+};
+
+export const updateTodoTitle = (
+  todoId: number, data: { title: string },
+) => {
+  return client.patch<Todo>(`/todos/${todoId}`, data);
+};
+
+export const updateTodoCompleted = (
+  todoId: number, data: { completed: boolean },
+) => {
+  return client.patch<Todo>(`/todos/${todoId}`, data);
+};

src/components/ErrorsNotifications.tsx

@@ -0,0 +1,41 @@
+/* eslint-disable jsx-a11y/control-has-associated-label */
+import React, { useEffect, useState } from 'react';
+import cn from 'classnames';
+
+import { useTodos } from '../hooks/useTodos';
+
+export const ErrorsNotifications: React.FC = () => {
+  const { errorMessage } = useTodos();
+  const [isHidden, setIsHidden] = useState(true);
+
+  useEffect(() => {
+    setIsHidden(!!errorMessage);
+
+    setTimeout(() => setIsHidden(false), 3000);
+  }, [errorMessage]);
+
+  return (
+    <div
+      data-cy="ErrorNotification"
+      className={cn(
+        'notification',
+        'is-danger',
+        'is-light',
+        'has-text-weight-normal',
+        {
+          hidden: !isHidden,
+        },
+      )}
+    >
+      <button
+        data-cy="HideErrorButton"
+        type="button"
+        className="delete"
+        onClick={() => setIsHidden(false)}
+      />
+      {
+        errorMessage
+      }
+    </div>
+  );
+};

src/components/Footer.tsx

@@ -0,0 +1,120 @@
+import React from 'react';
+import cn from 'classnames';
+import * as postService from '../api/todos';
+import { useTodos } from '../hooks/useTodos';
+import { SortType } from '../types/SortType';
+
+export const Footer: React.FC = () => {
+  const {
+    todos,
+    setTodos,
+    setSortQuery,
+    sortQuery,
+    setTodosInProcess,
+    setErrorMessage,
+  } = useTodos();
+
+  const notCompletedTodosLength = todos?.filter(todo => (
+    !todo.completed
+  )).length || 0;
+
+  const completedTodos = todos?.filter(todo => (
+    todo.completed
+  ));
+
+  const clearCompleted = () => {
+    completedTodos?.forEach(todo => {
+      setTodosInProcess(prevTodosIds => [...prevTodosIds, todo.id]);
+
+      postService.removeTodo(todo.id)
+        .then(() => {
+          setTodos(prevTodos => {
+            if (prevTodos) {
+              return prevTodos.filter(currentTodo => (
+                currentTodo.id !== todo.id
+              ));
+            }
+
+            return null;
+          });
+        })
+        .catch(() => setErrorMessage('Unable to delete a todo'))
+        .finally(() => setTodosInProcess(prevTodosIds => (
+          prevTodosIds.filter(id => todo.id !== id)
+        )));
+    });
+  };
+
+  return (
+    <>
+      {!!todos?.length && (
+        <footer className="todoapp__footer" data-cy="Footer">
+          <span className="todo-count" data-cy="TodosCounter">
+            {notCompletedTodosLength}
+            {
+              notCompletedTodosLength <= 1
+                ? ' item '
+                : ' items '
+            }
+            left
+          </span>
+
+          {/* Active filter should have a 'selected' class */}
+          <nav className="filter" data-cy="Filter">
+            <a
+              href="#/"
+              className={cn(
+                'filter__link',
+                {
+                  selected: sortQuery === SortType.All,
+                },
+              )}
+              data-cy="FilterLinkAll"
+              onClick={() => setSortQuery(SortType.All)}
+            >
+              All
+            </a>
+
+            <a
+              href="#/active"
+              className={cn(
+                'filter__link',
+                {
+                  selected: sortQuery === SortType.Active,
+                },
+              )}
+              data-cy="FilterLinkActive"
+              onClick={() => setSortQuery(SortType.Active)}
+            >
+              Active
+            </a>
+
+            <a
+              href="#/completed"
+              className={cn(
+                'filter__link',
+                {
+                  selected: sortQuery === SortType.Completed,
+                },
+              )}
+              data-cy="FilterLinkCompleted"
+              onClick={() => setSortQuery(SortType.Completed)}
+            >
+              Completed
+            </a>
+          </nav>
+
+          <button
+            type="button"
+            className="todoapp__clear-completed"
+            data-cy="ClearCompletedButton"
+            onClick={clearCompleted}
+            disabled={!completedTodos?.length}
+          >
+            Clear completed
+          </button>
+        </footer>
+      )}
+    </>
+  );
+};