init

2026-02-04 21:02:13 +00:00 · 2024-08-17 17:13:28 +02:00
commit 143b48c7a9
38 changed files with 11982 additions and 0 deletions
--- a/src/api/todolists-api.ts
+++ b/src/api/todolists-api.ts
@@ -0,0 +1,118 @@
+import axios from 'axios'
+
+const settings = {
+    withCredentials: true,
+    headers: {
+        'API-KEY': '1cdd9f77-c60e-4af5-b194-659e4ebd5d41'
+    }
+}
+const instance = axios.create({
+    baseURL: 'https://social-network.samuraijs.com/api/1.1/',
+    ...settings
+})
+
+// api
+export const todolistsAPI = {
+    getTodolists() {
+        const promise = instance.get<TodolistType[]>('todo-lists');
+        return promise;
+    },
+    createTodolist(title: string) {
+        const promise = instance.post<ResponseType<{ item: TodolistType }>>('todo-lists', {title: title});
+        return promise;
+    },
+    deleteTodolist(id: string) {
+        const promise = instance.delete<ResponseType>(`todo-lists/${id}`);
+        return promise;
+    },
+    updateTodolist(id: string, title: string) {
+        const promise = instance.put<ResponseType>(`todo-lists/${id}`, {title: title});
+        return promise;
+    },
+    getTasks(todolistId: string) {
+        return instance.get<GetTasksResponse>(`todo-lists/${todolistId}/tasks`);
+    },
+    deleteTask(todolistId: string, taskId: string) {
+        return instance.delete<ResponseType>(`todo-lists/${todolistId}/tasks/${taskId}`);
+    },
+    createTask(todolistId: string, taskTitile: string) {
+        return instance.post<ResponseType<{ item: TaskType}>>(`todo-lists/${todolistId}/tasks`, {title: taskTitile});
+    },
+    updateTask(todolistId: string, taskId: string, model: UpdateTaskModelType) {
+        return instance.put<ResponseType<TaskType>>(`todo-lists/${todolistId}/tasks/${taskId}`, model);
+    }
+}
+
+
+export type LoginParamsType = {
+    email: string
+    password: string
+    rememberMe: boolean
+    captcha?: string
+}
+
+export const authAPI = {
+    login(data: LoginParamsType) {
+        const promise = instance.post<ResponseType<{userId?: number}>>('auth/login', data);
+        return promise;
+    },
+    logout() {
+        const promise = instance.delete<ResponseType<{userId?: number}>>('auth/login');
+        return promise;
+    },
+    me() {
+       const promise =  instance.get<ResponseType<{id: number; email: string; login: string}>>('auth/me');
+       return promise
+    }
+}
+
+// types
+export type TodolistType = {
+    id: string
+    title: string
+    addedDate: string
+    order: number
+}
+export type ResponseType<D = {}> = {
+    resultCode: number
+    messages: Array<string>
+    data: D
+}
+export enum TaskStatuses {
+    New = 0,
+    InProgress = 1,
+    Completed = 2,
+    Draft = 3
+}
+export enum TaskPriorities {
+    Low = 0,
+    Middle = 1,
+    Hi = 2,
+    Urgently = 3,
+    Later = 4
+}
+export type TaskType = {
+    description: string
+    title: string
+    status: TaskStatuses
+    priority: TaskPriorities
+    startDate: string
+    deadline: string
+    id: string
+    todoListId: string
+    order: number
+    addedDate: string
+}
+export type UpdateTaskModelType = {
+    title: string
+    description: string
+    status: TaskStatuses
+    priority: TaskPriorities
+    startDate: string
+    deadline: string
+}
+type GetTasksResponse = {
+    error: string | null
+    totalCount: number
+    items: TaskType[]
+}
--- a/src/app/App.css
+++ b/src/app/App.css
@@ -0,0 +1,26 @@
+/*
+.App {
+  padding: 30px;
+  display: flex;
+}
+
+.App > div {
+  margin-right: 50px;
+}
+
+.error {
+  border: red 1px solid;
+}
+
+.error-message {
+  color: red;
+}
+
+.active-filter {
+  background-color: aquamarine;
+}
+
+.is-done {
+  opacity: 0.5;
+}
+*/
--- a/src/app/App.tsx
+++ b/src/app/App.tsx
@@ -0,0 +1,75 @@
+import React, { useCallback, useEffect } from 'react'
+import './App.css'
+import { TodolistsList } from '../features/TodolistsList/TodolistsList'
+import { ErrorSnackbar } from '../components/ErrorSnackbar/ErrorSnackbar'
+import { useDispatch, useSelector } from 'react-redux'
+import { AppRootStateType } from './store'
+import { initializeAppTC, RequestStatusType } from './app-reducer'
+import { BrowserRouter, Route, Routes } from 'react-router-dom'
+import { Login } from '../features/Login/Login'
+import { logoutTC } from '../features/Login/auth-reducer'
+import {
+	AppBar,
+	Button,
+	CircularProgress,
+	Container,
+	IconButton,
+	LinearProgress,
+	Toolbar,
+	Typography
+} from '@mui/material';
+import { Menu } from '@mui/icons-material'
+
+type PropsType = {
+	demo?: boolean
+}
+
+function App({demo = false}: PropsType) {
+	const status = useSelector<AppRootStateType, RequestStatusType>((state) => state.app.status)
+	const isInitialized = useSelector<AppRootStateType, boolean>((state) => state.app.isInitialized)
+	const isLoggedIn = useSelector<AppRootStateType, boolean>(state => state.auth.isLoggedIn)
+	const dispatch = useDispatch<any>()
+
+	useEffect(() => {
+		dispatch(initializeAppTC())
+	}, [])
+
+	const logoutHandler = useCallback(() => {
+		dispatch(logoutTC())
+	}, [])
+
+	if (!isInitialized) {
+		return <div
+			style={{position: 'fixed', top: '30%', textAlign: 'center', width: '100%'}}>
+			<CircularProgress/>
+		</div>
+	}
+
+	return (
+		<BrowserRouter>
+			<div className="App">
+				<ErrorSnackbar/>
+				<AppBar position="static">
+					<Toolbar>
+						<IconButton edge="start" color="inherit" aria-label="menu">
+							<Menu/>
+						</IconButton>
+						<Typography variant="h6">
+							News
+						</Typography>
+						{isLoggedIn && <Button color="inherit" onClick={logoutHandler}>Log out</Button>}
+					</Toolbar>
+					{status === 'loading' && <LinearProgress/>}
+				</AppBar>
+				<Container fixed>
+					<Routes>
+						<Route path={'/'} element={<TodolistsList demo={demo}/>}/>
+						<Route path={'/login'} element={<Login/>}/>
+					</Routes>
+				</Container>
+			</div>
+		</BrowserRouter>
+	)
+}
+
+export default App
--- a/src/app/app-reducer.test.ts
+++ b/src/app/app-reducer.test.ts
@@ -0,0 +1,22 @@
+import { appReducer, InitialStateType, setAppErrorAC, setAppStatusAC } from './app-reducer'
+
+let startState: InitialStateType;
+
+beforeEach(() => {
+	startState = {
+		error: null,
+		status: 'idle',
+		isInitialized: false
+	}
+})
+
+test('correct error message should be set', () => {
+	const endState = appReducer(startState, setAppErrorAC('some error'))
+	expect(endState.error).toBe('some error');
+})
+
+test('correct status should be set', () => {
+	const endState = appReducer(startState, setAppStatusAC('loading'))
+	expect(endState.status).toBe('loading');
+})
+
--- a/src/app/app-reducer.ts
+++ b/src/app/app-reducer.ts
@@ -0,0 +1,57 @@
+import {Dispatch} from 'redux'
+import {authAPI} from '../api/todolists-api'
+import {setIsLoggedInAC} from '../features/Login/auth-reducer'
+
+const initialState: InitialStateType = {
+    status: 'idle',
+    error: null,
+    isInitialized: false
+}
+
+export const appReducer = (state: InitialStateType = initialState, action: ActionsType): InitialStateType => {
+    switch (action.type) {
+        case 'APP/SET-STATUS':
+            return {...state, status: action.status}
+        case 'APP/SET-ERROR':
+            return {...state, error: action.error}
+        case 'APP/SET-IS-INITIALIED':
+            return {...state, isInitialized: action.value}
+        default:
+            return {...state}
+    }
+}
+
+export type RequestStatusType = 'idle' | 'loading' | 'succeeded' | 'failed'
+export type InitialStateType = {
+    // происходит ли сейчас взаимодействие с сервером
+    status: RequestStatusType
+    // если ошибка какая-то глобальная произойдёт - мы запишем текст ошибки сюда
+    error: string | null
+    // true когда приложение проинициализировалось (проверили юзера, настройки получили и т.д.)
+    isInitialized: boolean
+}
+
+export const setAppErrorAC = (error: string | null) => ({type: 'APP/SET-ERROR', error} as const)
+export const setAppStatusAC = (status: RequestStatusType) => ({type: 'APP/SET-STATUS', status} as const)
+export const setAppInitializedAC = (value: boolean) => ({type: 'APP/SET-IS-INITIALIED', value} as const)
+
+export const initializeAppTC = () => (dispatch: Dispatch) => {
+    authAPI.me().then(res => {
+        if (res.data.resultCode === 0) {
+            dispatch(setIsLoggedInAC(true));
+        } else {
+
+        }
+
+        dispatch(setAppInitializedAC(true));
+    })
+}
+
+export type SetAppErrorActionType = ReturnType<typeof setAppErrorAC>
+export type SetAppStatusActionType = ReturnType<typeof setAppStatusAC>
+
+
+type ActionsType =
+    | SetAppErrorActionType
+    | SetAppStatusActionType
+    | ReturnType<typeof setAppInitializedAC>
--- a/src/app/store.ts
+++ b/src/app/store.ts
@@ -0,0 +1,27 @@
+import {tasksReducer} from '../features/TodolistsList/tasks-reducer';
+import {todolistsReducer} from '../features/TodolistsList/todolists-reducer';
+import {applyMiddleware, combineReducers, createStore} from 'redux'
+import thunkMiddleware, {ThunkAction, ThunkDispatch} from 'redux-thunk'
+import {appReducer} from './app-reducer'
+import {authReducer} from '../features/Login/auth-reducer'
+import {configureStore, UnknownAction} from "@reduxjs/toolkit";
+
+const rootReducer = combineReducers({
+	tasks: tasksReducer,
+	todolists: todolistsReducer,
+	app: appReducer,
+	auth: authReducer
+})
+
+// ❗старая запись, с новыми версиями не работает
+//  const store = createStore(rootReducer, applyMiddleware(thunkMiddleware));
+export const store = configureStore({reducer: rootReducer},)
+
+export type AppRootStateType = ReturnType<typeof rootReducer>
+
+// ❗ UnknownAction вместо AnyAction
+export type AppThunk<ReturnType = void> = ThunkAction<ReturnType, AppRootStateType, unknown, UnknownAction>
+
+// export type AppDispatch = typeof store.dispatch
+// ❗ UnknownAction вместо AnyAction
+export type AppDispatch = ThunkDispatch<AppRootStateType, unknown, UnknownAction>
--- a/src/components/AddItemForm/AddItemForm.tsx
+++ b/src/components/AddItemForm/AddItemForm.tsx
@@ -0,0 +1,51 @@
+import React, { ChangeEvent, KeyboardEvent, useState } from 'react';
+import { IconButton, TextField } from '@mui/material';
+import { AddBox } from '@mui/icons-material';
+
+type AddItemFormPropsType = {
+	addItem: (title: string) => void
+	disabled?: boolean
+}
+
+export const AddItemForm = React.memo(function ({addItem, disabled = false}: AddItemFormPropsType) {
+
+	let [title, setTitle] = useState('')
+	let [error, setError] = useState<string | null>(null)
+
+	const addItemHandler = () => {
+		if (title.trim() !== '') {
+			addItem(title);
+			setTitle('');
+		} else {
+			setError('Title is required');
+		}
+	}
+
+	const onChangeHandler = (e: ChangeEvent<HTMLInputElement>) => {
+		setTitle(e.currentTarget.value)
+	}
+
+	const onKeyPressHandler = (e: KeyboardEvent<HTMLInputElement>) => {
+		if (error !== null) {
+			setError(null);
+		}
+		if (e.charCode === 13) {
+			addItemHandler();
+		}
+	}
+
+	return <div>
+		<TextField variant="outlined"
+							 disabled={disabled}
+							 error={!!error}
+							 value={title}
+							 onChange={onChangeHandler}
+							 onKeyPress={onKeyPressHandler}
+							 label="Title"
+							 helperText={error}
+		/>
+		<IconButton color="primary" onClick={addItemHandler} disabled={disabled}>
+			<AddBox/>
+		</IconButton>
+	</div>
+})
--- a/src/components/EditableSpan/EditableSpan.tsx
+++ b/src/components/EditableSpan/EditableSpan.tsx
@@ -0,0 +1,28 @@
+import React, {ChangeEvent, useState} from 'react';
+import { TextField } from '@mui/material';
+
+type EditableSpanPropsType = {
+    value: string
+    onChange: (newValue: string) => void
+}
+
+export const EditableSpan = React.memo(function (props: EditableSpanPropsType) {
+    let [editMode, setEditMode] = useState(false);
+    let [title, setTitle] = useState(props.value);
+
+    const activateEditMode = () => {
+        setEditMode(true);
+        setTitle(props.value);
+    }
+    const activateViewMode = () => {
+        setEditMode(false);
+        props.onChange(title);
+    }
+    const changeTitle = (e: ChangeEvent<HTMLInputElement>) => {
+        setTitle(e.currentTarget.value)
+    }
+
+    return editMode
+        ?    <TextField value={title} onChange={changeTitle} autoFocus onBlur={activateViewMode} />
+        : <span onDoubleClick={activateEditMode}>{props.value}</span>
+});
--- a/src/components/ErrorSnackbar/ErrorSnackbar.tsx
+++ b/src/components/ErrorSnackbar/ErrorSnackbar.tsx
@@ -0,0 +1,37 @@
+import React from 'react'
+import {useDispatch, useSelector} from 'react-redux'
+import {AppRootStateType} from '../../app/store'
+import {setAppErrorAC} from '../../app/app-reducer'
+import { AlertProps, Snackbar } from '@mui/material'
+import MuiAlert from '@mui/material/Alert';
+
+const Alert = React.forwardRef<HTMLDivElement, AlertProps>(function Alert(
+	props,
+	ref,
+) {
+	return <MuiAlert elevation={6} ref={ref} variant="filled" {...props} />;
+});
+
+export function ErrorSnackbar() {
+
+    const error = useSelector<AppRootStateType, string | null>(state => state.app.error);
+    const dispatch = useDispatch()
+
+    const handleClose = (event?: React.SyntheticEvent | Event, reason?: string) => {
+        if (reason === 'clickaway') {
+            return
+        }
+        dispatch(setAppErrorAC(null));
+    }
+
+
+    const isOpen = error !== null;
+
+    return (
+        <Snackbar open={isOpen} autoHideDuration={6000} onClose={handleClose}>
+					<Alert onClose={handleClose} severity="error">
+						{error}
+					</Alert>
+				</Snackbar>
+    )
+}
--- a/src/features/Login/Login.tsx
+++ b/src/features/Login/Login.tsx
@@ -0,0 +1,89 @@
+import React from 'react'
+import { useFormik } from 'formik'
+import { useSelector } from 'react-redux'
+import { loginTC } from './auth-reducer'
+import { AppRootStateType } from '../../app/store'
+import { Navigate } from 'react-router-dom'
+import { useAppDispatch } from '../../hooks/useAppDispatch';
+import { Button, Checkbox, FormControl, FormControlLabel, FormGroup, FormLabel, Grid, TextField } from '@mui/material'
+
+export const Login = () => {
+    const dispatch = useAppDispatch()
+
+    const isLoggedIn = useSelector<AppRootStateType, boolean>(state => state.auth.isLoggedIn);
+
+    const formik = useFormik({
+        validate: (values) => {
+            if (!values.email) {
+                return {
+                    email: 'Email is required'
+                }
+            }
+            if (!values.password) {
+                return {
+                    password: 'Password is required'
+                }
+            }
+
+        },
+        initialValues: {
+            email: '',
+            password: '',
+            rememberMe: false
+        },
+        onSubmit: values => {
+            dispatch(loginTC(values));
+        },
+    })
+
+    if (isLoggedIn) {
+        return <Navigate to={"/"} />
+    }
+
+
+    return <Grid container justifyContent="center">
+        <Grid item xs={4}>
+            <form onSubmit={formik.handleSubmit}>
+                <FormControl>
+                    <FormLabel>
+                        <p>
+                            To log in get registered <a href={'https://social-network.samuraijs.com/'}
+                                                        target={'_blank'}>here</a>
+                        </p>
+                        <p>
+                            or use common test account credentials:
+                        </p>
+                        <p> Email: free@samuraijs.com
+                        </p>
+                        <p>
+                            Password: free
+                        </p>
+                    </FormLabel>
+                    <FormGroup>
+                        <TextField
+                            label="Email"
+                            margin="normal"
+                            {...formik.getFieldProps("email")}
+                        />
+                        {formik.errors.email ? <div>{formik.errors.email}</div> : null}
+                        <TextField
+                            type="password"
+                            label="Password"
+                            margin="normal"
+                            {...formik.getFieldProps("password")}
+                        />
+                        {formik.errors.password ? <div>{formik.errors.password}</div> : null}
+                        <FormControlLabel
+                            label={'Remember me'}
+                            control={<Checkbox
+                                {...formik.getFieldProps("rememberMe")}
+                                checked={formik.values.rememberMe}
+                            />}
+                        />
+                        <Button type={'submit'} variant={'contained'} color={'primary'}>Login</Button>
+                    </FormGroup>
+                </FormControl>
+            </form>
+        </Grid>
+    </Grid>
+}
--- a/src/features/Login/auth-reducer.ts
+++ b/src/features/Login/auth-reducer.ts
@@ -0,0 +1,64 @@
+import {Dispatch} from 'redux'
+import {SetAppErrorActionType, setAppStatusAC, SetAppStatusActionType} from '../../app/app-reducer'
+import {authAPI, LoginParamsType} from '../../api/todolists-api'
+import {handleServerAppError, handleServerNetworkError} from '../../utils/error-utils'
+
+const initialState: InitialStateType = {
+    isLoggedIn: false
+}
+
+export const authReducer = (state: InitialStateType = initialState, action: ActionsType): InitialStateType => {
+    switch (action.type) {
+        case 'login/SET-IS-LOGGED-IN':
+            return {...state, isLoggedIn: action.value}
+        default:
+            return state
+    }
+}
+
+// actions
+
+export const setIsLoggedInAC = (value: boolean) =>
+    ({type: 'login/SET-IS-LOGGED-IN', value} as const)
+
+
+// thunks
+export const loginTC = (data: LoginParamsType) => (dispatch: Dispatch<ActionsType | SetAppStatusActionType | SetAppErrorActionType>) => {
+    dispatch(setAppStatusAC('loading'))
+    authAPI.login(data)
+        .then(res => {
+            if (res.data.resultCode === 0) {
+                dispatch(setIsLoggedInAC(true))
+                dispatch(setAppStatusAC('succeeded'))
+            } else {
+                handleServerAppError(res.data, dispatch)
+            }
+        })
+        .catch((error) => {
+            handleServerNetworkError(error, dispatch)
+        })
+}
+export const logoutTC = () => (dispatch: Dispatch<ActionsType | SetAppStatusActionType | SetAppErrorActionType>) => {
+    dispatch(setAppStatusAC('loading'))
+    authAPI.logout()
+        .then(res => {
+            if (res.data.resultCode === 0) {
+                dispatch(setIsLoggedInAC(false))
+                dispatch(setAppStatusAC('succeeded'))
+            } else {
+                handleServerAppError(res.data, dispatch)
+            }
+        })
+        .catch((error) => {
+            handleServerNetworkError(error, dispatch)
+        })
+}
+
+// types
+
+type ActionsType = ReturnType<typeof setIsLoggedInAC>
+type InitialStateType = {
+    isLoggedIn: boolean
+}
+
+type ThunkDispatch = Dispatch<ActionsType | SetAppStatusActionType | SetAppErrorActionType>
--- a/src/features/TodolistsList/Todolist/Task/Task.tsx
+++ b/src/features/TodolistsList/Todolist/Task/Task.tsx
@@ -0,0 +1,38 @@
+import React, { ChangeEvent, useCallback } from 'react'
+import { Checkbox, IconButton } from '@mui/material'
+import { EditableSpan } from '../../../../components/EditableSpan/EditableSpan'
+import { Delete } from '@mui/icons-material'
+import { TaskStatuses, TaskType } from '../../../../api/todolists-api'
+
+type TaskPropsType = {
+	task: TaskType
+	todolistId: string
+	changeTaskStatus: (id: string, status: TaskStatuses, todolistId: string) => void
+	changeTaskTitle: (taskId: string, newTitle: string, todolistId: string) => void
+	removeTask: (taskId: string, todolistId: string) => void
+}
+export const Task = React.memo((props: TaskPropsType) => {
+	const onClickHandler = useCallback(() => props.removeTask(props.task.id, props.todolistId), [props.task.id, props.todolistId]);
+
+	const onChangeHandler = useCallback((e: ChangeEvent<HTMLInputElement>) => {
+		let newIsDoneValue = e.currentTarget.checked
+		props.changeTaskStatus(props.task.id, newIsDoneValue ? TaskStatuses.Completed : TaskStatuses.New, props.todolistId)
+	}, [props.task.id, props.todolistId]);
+
+	const onTitleChangeHandler = useCallback((newValue: string) => {
+		props.changeTaskTitle(props.task.id, newValue, props.todolistId)
+	}, [props.task.id, props.todolistId]);
+
+	return <div key={props.task.id} className={props.task.status === TaskStatuses.Completed ? 'is-done' : ''}>
+		<Checkbox
+			checked={props.task.status === TaskStatuses.Completed}
+			color="primary"
+			onChange={onChangeHandler}
+		/>
+
+		<EditableSpan value={props.task.title} onChange={onTitleChangeHandler}/>
+		<IconButton onClick={onClickHandler}>
+			<Delete/>
+		</IconButton>
+	</div>
+})
--- a/src/features/TodolistsList/Todolist/Todolist.tsx
+++ b/src/features/TodolistsList/Todolist/Todolist.tsx
@@ -0,0 +1,96 @@
+import React, { useCallback, useEffect } from 'react'
+import { AddItemForm } from '../../../components/AddItemForm/AddItemForm'
+import { EditableSpan } from '../../../components/EditableSpan/EditableSpan'
+import { Task } from './Task/Task'
+import { TaskStatuses, TaskType } from '../../../api/todolists-api'
+import { FilterValuesType, TodolistDomainType } from '../todolists-reducer'
+import { fetchTasksTC } from '../tasks-reducer'
+import { useAppDispatch } from '../../../hooks/useAppDispatch';
+import { Button, IconButton } from '@mui/material'
+import { Delete } from '@mui/icons-material'
+
+type PropsType = {
+    todolist: TodolistDomainType
+    tasks: Array<TaskType>
+    changeFilter: (value: FilterValuesType, todolistId: string) => void
+    addTask: (title: string, todolistId: string) => void
+    changeTaskStatus: (id: string, status: TaskStatuses, todolistId: string) => void
+    changeTaskTitle: (taskId: string, newTitle: string, todolistId: string) => void
+    removeTask: (taskId: string, todolistId: string) => void
+    removeTodolist: (id: string) => void
+    changeTodolistTitle: (id: string, newTitle: string) => void
+    demo?: boolean
+}
+
+export const Todolist = React.memo(function ({demo = false, ...props}: PropsType) {
+
+    const dispatch = useAppDispatch()
+
+    useEffect(() => {
+        if (demo) {
+            return
+        }
+        const thunk = fetchTasksTC(props.todolist.id)
+        dispatch(thunk)
+    }, [])
+
+    const addTask = useCallback((title: string) => {
+        props.addTask(title, props.todolist.id)
+    }, [props.addTask, props.todolist.id])
+
+    const removeTodolist = () => {
+        props.removeTodolist(props.todolist.id)
+    }
+    const changeTodolistTitle = useCallback((title: string) => {
+        props.changeTodolistTitle(props.todolist.id, title)
+    }, [props.todolist.id, props.changeTodolistTitle])
+
+    const onAllClickHandler = useCallback(() => props.changeFilter('all', props.todolist.id), [props.todolist.id, props.changeFilter])
+    const onActiveClickHandler = useCallback(() => props.changeFilter('active', props.todolist.id), [props.todolist.id, props.changeFilter])
+    const onCompletedClickHandler = useCallback(() => props.changeFilter('completed', props.todolist.id), [props.todolist.id, props.changeFilter])
+
+
+    let tasksForTodolist = props.tasks
+
+    if (props.todolist.filter === 'active') {
+        tasksForTodolist = props.tasks.filter(t => t.status === TaskStatuses.New)
+    }
+    if (props.todolist.filter === 'completed') {
+        tasksForTodolist = props.tasks.filter(t => t.status === TaskStatuses.Completed)
+    }
+
+    return <div>
+        <h3><EditableSpan value={props.todolist.title} onChange={changeTodolistTitle}/>
+            <IconButton onClick={removeTodolist} disabled={props.todolist.entityStatus === 'loading'}>
+                <Delete/>
+            </IconButton>
+        </h3>
+        <AddItemForm addItem={addTask} disabled={props.todolist.entityStatus === 'loading'}/>
+        <div>
+            {
+                tasksForTodolist.map(t => <Task key={t.id} task={t} todolistId={props.todolist.id}
+                                                removeTask={props.removeTask}
+                                                changeTaskTitle={props.changeTaskTitle}
+                                                changeTaskStatus={props.changeTaskStatus}
+                />)
+            }
+        </div>
+        <div style={{paddingTop: '10px'}}>
+            <Button variant={props.todolist.filter === 'all' ? 'outlined' : 'text'}
+                    onClick={onAllClickHandler}
+                    color={'inherit'}
+            >All
+            </Button>
+            <Button variant={props.todolist.filter === 'active' ? 'outlined' : 'text'}
+                    onClick={onActiveClickHandler}
+                    color={'primary'}>Active
+            </Button>
+            <Button variant={props.todolist.filter === 'completed' ? 'outlined' : 'text'}
+                    onClick={onCompletedClickHandler}
+                    color={'secondary'}>Completed
+            </Button>
+        </div>
+    </div>
+})
+
+
--- a/src/features/TodolistsList/TodolistsList.tsx
+++ b/src/features/TodolistsList/TodolistsList.tsx
@@ -0,0 +1,113 @@
+import React, { useCallback, useEffect } from 'react'
+import { useSelector } from 'react-redux'
+import { AppRootStateType } from '../../app/store'
+import {
+	addTodolistTC,
+	changeTodolistFilterAC,
+	changeTodolistTitleTC,
+	fetchTodolistsTC,
+	FilterValuesType,
+	removeTodolistTC,
+	TodolistDomainType
+} from './todolists-reducer'
+import { addTaskTC, removeTaskTC, TasksStateType, updateTaskTC } from './tasks-reducer'
+import { TaskStatuses } from '../../api/todolists-api'
+import { Grid, Paper } from '@mui/material'
+import { AddItemForm } from '../../components/AddItemForm/AddItemForm'
+import { Todolist } from './Todolist/Todolist'
+import { Navigate } from 'react-router-dom'
+import { useAppDispatch } from '../../hooks/useAppDispatch';
+
+type PropsType = {
+    demo?: boolean
+}
+
+export const TodolistsList: React.FC<PropsType> = ({demo = false}) => {
+    const todolists = useSelector<AppRootStateType, Array<TodolistDomainType>>(state => state.todolists)
+    const tasks = useSelector<AppRootStateType, TasksStateType>(state => state.tasks)
+    const isLoggedIn = useSelector<AppRootStateType, boolean>(state => state.auth.isLoggedIn)
+
+    const dispatch = useAppDispatch()
+
+    useEffect(() => {
+        if (demo || !isLoggedIn) {
+            return;
+        }
+        const thunk = fetchTodolistsTC()
+			dispatch(thunk)
+    }, [])
+
+    const removeTask = useCallback(function (id: string, todolistId: string) {
+        const thunk = removeTaskTC(id, todolistId)
+        dispatch(thunk)
+    }, [])
+
+    const addTask = useCallback(function (title: string, todolistId: string) {
+        const thunk = addTaskTC(title, todolistId)
+        dispatch(thunk)
+    }, [])
+
+    const changeStatus = useCallback(function (id: string, status: TaskStatuses, todolistId: string) {
+        const thunk = updateTaskTC(id, {status}, todolistId)
+        dispatch(thunk)
+    }, [])
+
+    const changeTaskTitle = useCallback(function (id: string, newTitle: string, todolistId: string) {
+        const thunk = updateTaskTC(id, {title: newTitle}, todolistId)
+        dispatch(thunk)
+    }, [])
+
+    const changeFilter = useCallback(function (value: FilterValuesType, todolistId: string) {
+        const action = changeTodolistFilterAC(todolistId, value)
+        dispatch(action)
+    }, [])
+
+    const removeTodolist = useCallback(function (id: string) {
+        const thunk = removeTodolistTC(id)
+        dispatch(thunk)
+    }, [])
+
+    const changeTodolistTitle = useCallback(function (id: string, title: string) {
+        const thunk = changeTodolistTitleTC(id, title)
+        dispatch(thunk)
+    }, [])
+
+    const addTodolist = useCallback((title: string) => {
+        const thunk = addTodolistTC(title)
+        dispatch(thunk)
+    }, [dispatch])
+
+    if (!isLoggedIn) {
+        return <Navigate to={"/login"} />
+    }
+
+    return <>
+        <Grid container style={{padding: '20px'}}>
+            <AddItemForm addItem={addTodolist}/>
+        </Grid>
+        <Grid container spacing={3}>
+            {
+                todolists.map(tl => {
+                    let allTodolistTasks = tasks[tl.id]
+
+                    return <Grid item key={tl.id}>
+                        <Paper style={{padding: '10px'}}>
+                            <Todolist
+                                todolist={tl}
+                                tasks={allTodolistTasks}
+                                removeTask={removeTask}
+                                changeFilter={changeFilter}
+                                addTask={addTask}
+                                changeTaskStatus={changeStatus}
+                                removeTodolist={removeTodolist}
+                                changeTaskTitle={changeTaskTitle}
+                                changeTodolistTitle={changeTodolistTitle}
+                                demo={demo}
+                            />
+                        </Paper>
+                    </Grid>
+                })
+            }
+        </Grid>
+    </>
+}
--- a/src/features/TodolistsList/tasks-reducer.test.ts
+++ b/src/features/TodolistsList/tasks-reducer.test.ts
@@ -0,0 +1,133 @@
+import { addTaskAC, removeTaskAC, setTasksAC, tasksReducer, TasksStateType, updateTaskAC } from './tasks-reducer'
+
+import {addTodolistAC, removeTodolistAC, setTodolistsAC} from './todolists-reducer'
+import {TaskPriorities, TaskStatuses} from '../../api/todolists-api'
+
+let startState: TasksStateType = {};
+beforeEach(() => {
+    startState = {
+        "todolistId1": [
+            { id: "1", title: "CSS", status: TaskStatuses.New, todoListId: "todolistId1", description: '',
+        startDate: '', deadline: '', addedDate: '', order: 0, priority: TaskPriorities.Low },
+            { id: "2", title: "JS", status: TaskStatuses.Completed, todoListId: "todolistId1", description: '',
+        startDate: '', deadline: '', addedDate: '', order: 0, priority: TaskPriorities.Low },
+            { id: "3", title: "React", status: TaskStatuses.New, todoListId: "todolistId1", description: '',
+        startDate: '', deadline: '', addedDate: '', order: 0, priority: TaskPriorities.Low }
+        ],
+        "todolistId2": [
+            { id: "1", title: "bread", status: TaskStatuses.New, todoListId: "todolistId2", description: '',
+        startDate: '', deadline: '', addedDate: '', order: 0, priority: TaskPriorities.Low },
+            { id: "2", title: "milk", status: TaskStatuses.Completed, todoListId: "todolistId2", description: '',
+                startDate: '', deadline: '', addedDate: '', order: 0, priority: TaskPriorities.Low },
+            { id: "3", title: "tea", status: TaskStatuses.New, todoListId: "todolistId2", description: '',
+                startDate: '', deadline: '', addedDate: '', order: 0, priority: TaskPriorities.Low }
+        ]
+    };
+});
+
+test('correct task should be deleted from correct array', () => {
+    const action = removeTaskAC("2", "todolistId2");
+
+    const endState = tasksReducer(startState, action)
+
+    expect(endState["todolistId1"].length).toBe(3);
+    expect(endState["todolistId2"].length).toBe(2);
+    expect(endState["todolistId2"].every(t => t.id != "2")).toBeTruthy();
+});
+test('correct task should be added to correct array', () => {
+    //const action = addTaskAC("juce", "todolistId2");
+    const action = addTaskAC({
+        todoListId: "todolistId2",
+        title: "juce",
+        status: TaskStatuses.New,
+        addedDate: "",
+        deadline: "",
+        description: "",
+        order: 0,
+        priority: 0,
+        startDate: "",
+        id: "id exists"
+    });
+
+    const endState = tasksReducer(startState, action)
+
+    expect(endState["todolistId1"].length).toBe(3);
+    expect(endState["todolistId2"].length).toBe(4);
+    expect(endState["todolistId2"][0].id).toBeDefined();
+    expect(endState["todolistId2"][0].title).toBe("juce");
+    expect(endState["todolistId2"][0].status).toBe(TaskStatuses.New);
+});
+test('status of specified task should be changed', () => {
+    const action = updateTaskAC("2", {status: TaskStatuses.New}, "todolistId2");
+
+    const endState = tasksReducer(startState, action)
+
+    expect(endState["todolistId1"][1].status).toBe(TaskStatuses.Completed);
+    expect(endState["todolistId2"][1].status).toBe(TaskStatuses.New);
+});
+test('title of specified task should be changed', () => {
+    const action = updateTaskAC("2", {title: "yogurt"}, "todolistId2");
+
+    const endState = tasksReducer(startState, action)
+
+    expect(endState["todolistId1"][1].title).toBe("JS");
+    expect(endState["todolistId2"][1].title).toBe("yogurt");
+    expect(endState["todolistId2"][0].title).toBe("bread");
+});
+test('new array should be added when new todolist is added', () => {
+    const action = addTodolistAC({
+        id: "blabla",
+        title: "new todolist",
+        order: 0,
+        addedDate: ''
+    });
+
+    const endState = tasksReducer(startState, action)
+
+
+    const keys = Object.keys(endState);
+    const newKey = keys.find(k => k != "todolistId1" && k != "todolistId2");
+    if (!newKey) {
+        throw Error("new key should be added")
+    }
+
+    expect(keys.length).toBe(3);
+    expect(endState[newKey]).toEqual([]);
+});
+test('propertry with todolistId should be deleted', () => {
+    const action = removeTodolistAC("todolistId2");
+
+    const endState = tasksReducer(startState, action)
+
+    const keys = Object.keys(endState);
+
+    expect(keys.length).toBe(1);
+    expect(endState["todolistId2"]).not.toBeDefined();
+});
+
+test('empty arrays should be added when we set todolists', () => {
+    const action = setTodolistsAC([
+        {id: "1", title: "title 1", order: 0, addedDate: ""},
+        {id: "2", title: "title 2", order: 0, addedDate: ""}
+    ])
+
+    const endState = tasksReducer({}, action)
+
+    const keys = Object.keys(endState)
+
+    expect(keys.length).toBe(2)
+    expect(endState['1']).toBeDefined()
+    expect(endState['2']).toBeDefined()
+})
+test('tasks should be added for todolist', () => {
+    const action = setTasksAC(startState["todolistId1"], "todolistId1");
+
+    const endState = tasksReducer({
+        "todolistId2": [],
+        "todolistId1": []
+    }, action)
+
+    expect(endState["todolistId1"].length).toBe(3)
+    expect(endState["todolistId2"].length).toBe(0)
+})
+
--- a/src/features/TodolistsList/tasks-reducer.ts
+++ b/src/features/TodolistsList/tasks-reducer.ts
@@ -0,0 +1,140 @@
+import {AddTodolistActionType, RemoveTodolistActionType, SetTodolistsActionType} from './todolists-reducer'
+import {TaskPriorities, TaskStatuses, TaskType, todolistsAPI, UpdateTaskModelType} from '../../api/todolists-api'
+import {Dispatch} from 'redux'
+import {AppRootStateType} from '../../app/store'
+import {setAppErrorAC, SetAppErrorActionType, setAppStatusAC, SetAppStatusActionType} from '../../app/app-reducer'
+import {handleServerAppError, handleServerNetworkError} from '../../utils/error-utils'
+
+const initialState: TasksStateType = {}
+
+export const tasksReducer = (state: TasksStateType = initialState, action: ActionsType): TasksStateType => {
+    switch (action.type) {
+        case 'REMOVE-TASK':
+            return {...state, [action.todolistId]: state[action.todolistId].filter(t => t.id != action.taskId)}
+        case 'ADD-TASK':
+            return {...state, [action.task.todoListId]: [action.task, ...state[action.task.todoListId]]}
+        case 'UPDATE-TASK':
+            return {
+                ...state,
+                [action.todolistId]: state[action.todolistId]
+                    .map(t => t.id === action.taskId ? {...t, ...action.model} : t)
+            }
+        case 'ADD-TODOLIST':
+            return {...state, [action.todolist.id]: []}
+        case 'REMOVE-TODOLIST':
+            const copyState = {...state}
+            delete copyState[action.id]
+            return copyState
+        case 'SET-TODOLISTS': {
+            const copyState = {...state}
+            action.todolists.forEach(tl => {
+                copyState[tl.id] = []
+            })
+            return copyState
+        }
+        case 'SET-TASKS':
+            return {...state, [action.todolistId]: action.tasks}
+        default:
+            return state
+    }
+}
+
+// actions
+export const removeTaskAC = (taskId: string, todolistId: string) =>
+    ({type: 'REMOVE-TASK', taskId, todolistId} as const)
+export const addTaskAC = (task: TaskType) =>
+    ({type: 'ADD-TASK', task} as const)
+export const updateTaskAC = (taskId: string, model: UpdateDomainTaskModelType, todolistId: string) =>
+    ({type: 'UPDATE-TASK', model, todolistId, taskId} as const)
+export const setTasksAC = (tasks: Array<TaskType>, todolistId: string) =>
+    ({type: 'SET-TASKS', tasks, todolistId} as const)
+
+// thunks
+export const fetchTasksTC = (todolistId: string) => (dispatch: Dispatch<ActionsType | SetAppStatusActionType>) => {
+    dispatch(setAppStatusAC('loading'))
+    todolistsAPI.getTasks(todolistId)
+        .then((res) => {
+            const tasks = res.data.items
+            dispatch(setTasksAC(tasks, todolistId))
+            dispatch(setAppStatusAC('succeeded'))
+        })
+}
+export const removeTaskTC = (taskId: string, todolistId: string) => (dispatch: Dispatch<ActionsType>) => {
+    todolistsAPI.deleteTask(todolistId, taskId)
+        .then(res => {
+            const action = removeTaskAC(taskId, todolistId)
+            dispatch(action)
+        })
+}
+export const addTaskTC = (title: string, todolistId: string) => (dispatch: Dispatch<ActionsType | SetAppErrorActionType | SetAppStatusActionType>) => {
+    dispatch(setAppStatusAC('loading'))
+    todolistsAPI.createTask(todolistId, title)
+        .then(res => {
+            if (res.data.resultCode === 0) {
+                const task = res.data.data.item
+                const action = addTaskAC(task)
+                dispatch(action)
+                dispatch(setAppStatusAC('succeeded'))
+            } else {
+                handleServerAppError(res.data, dispatch);
+            }
+        })
+        .catch((error) => {
+            handleServerNetworkError(error, dispatch)
+        })
+}
+export const updateTaskTC = (taskId: string, domainModel: UpdateDomainTaskModelType, todolistId: string) =>
+    (dispatch: ThunkDispatch, getState: () => AppRootStateType) => {
+        const state = getState()
+        const task = state.tasks[todolistId].find(t => t.id === taskId)
+        if (!task) {
+            //throw new Error("task not found in the state");
+            console.warn('task not found in the state')
+            return
+        }
+
+        const apiModel: UpdateTaskModelType = {
+            deadline: task.deadline,
+            description: task.description,
+            priority: task.priority,
+            startDate: task.startDate,
+            title: task.title,
+            status: task.status,
+            ...domainModel
+        }
+
+        todolistsAPI.updateTask(todolistId, taskId, apiModel)
+            .then(res => {
+                if (res.data.resultCode === 0) {
+                    const action = updateTaskAC(taskId, domainModel, todolistId)
+                    dispatch(action)
+                } else {
+                    handleServerAppError(res.data, dispatch);
+                }
+            })
+            .catch((error) => {
+                handleServerNetworkError(error, dispatch);
+            })
+    }
+
+// types
+export type UpdateDomainTaskModelType = {
+    title?: string
+    description?: string
+    status?: TaskStatuses
+    priority?: TaskPriorities
+    startDate?: string
+    deadline?: string
+}
+export type TasksStateType = {
+    [key: string]: Array<TaskType>
+}
+type ActionsType =
+    | ReturnType<typeof removeTaskAC>
+    | ReturnType<typeof addTaskAC>
+    | ReturnType<typeof updateTaskAC>
+    | AddTodolistActionType
+    | RemoveTodolistActionType
+    | SetTodolistsActionType
+    | ReturnType<typeof setTasksAC>
+type ThunkDispatch = Dispatch<ActionsType | SetAppStatusActionType | SetAppErrorActionType>
--- a/src/features/TodolistsList/todolists-reducer.test.ts
+++ b/src/features/TodolistsList/todolists-reducer.test.ts
@@ -0,0 +1,89 @@
+import {
+    addTodolistAC, changeTodolistEntityStatusAC,
+    changeTodolistFilterAC,
+    changeTodolistTitleAC, FilterValuesType,
+    removeTodolistAC, setTodolistsAC, TodolistDomainType,
+    todolistsReducer
+} from './todolists-reducer'
+import {v1} from 'uuid'
+import {TodolistType} from '../../api/todolists-api'
+import {RequestStatusType} from '../../app/app-reducer'
+
+let todolistId1: string
+let todolistId2: string
+let startState: Array<TodolistDomainType> = []
+
+beforeEach(() => {
+    todolistId1 = v1()
+    todolistId2 = v1()
+    startState = [
+        {id: todolistId1, title: 'What to learn', filter: 'all', entityStatus: 'idle', addedDate: '', order: 0},
+        {id: todolistId2, title: 'What to buy', filter: 'all', entityStatus: 'idle', addedDate: '', order: 0}
+    ]
+})
+
+test('correct todolist should be removed', () => {
+    const endState = todolistsReducer(startState, removeTodolistAC(todolistId1))
+
+    expect(endState.length).toBe(1)
+    expect(endState[0].id).toBe(todolistId2)
+})
+
+test('correct todolist should be added', () => {
+    let todolist: TodolistType = {
+        title: 'New Todolist',
+        id: 'any id',
+        addedDate: '',
+        order: 0
+    }
+
+
+    const endState = todolistsReducer(startState, addTodolistAC(todolist))
+
+    expect(endState.length).toBe(3)
+    expect(endState[0].title).toBe(todolist.title)
+    expect(endState[0].filter).toBe('all')
+})
+
+test('correct todolist should change its name', () => {
+    let newTodolistTitle = 'New Todolist'
+
+    const action = changeTodolistTitleAC(todolistId2, newTodolistTitle)
+
+    const endState = todolistsReducer(startState, action)
+
+    expect(endState[0].title).toBe('What to learn')
+    expect(endState[1].title).toBe(newTodolistTitle)
+})
+
+test('correct filter of todolist should be changed', () => {
+    let newFilter: FilterValuesType = 'completed'
+
+    const action = changeTodolistFilterAC(todolistId2, newFilter)
+
+    const endState = todolistsReducer(startState, action)
+
+    expect(endState[0].filter).toBe('all')
+    expect(endState[1].filter).toBe(newFilter)
+})
+test('todolists should be added', () => {
+
+    const action = setTodolistsAC(startState)
+
+    const endState = todolistsReducer([], action)
+
+    expect(endState.length).toBe(2)
+})
+test('correct entity status of todolist should be changed', () => {
+    let newStatus: RequestStatusType = 'loading'
+
+    const action = changeTodolistEntityStatusAC(todolistId2, newStatus)
+
+    const endState = todolistsReducer(startState, action)
+
+    expect(endState[0].entityStatus).toBe('idle')
+    expect(endState[1].entityStatus).toBe(newStatus)
+})
+
+
+
--- a/src/features/TodolistsList/todolists-reducer.ts
+++ b/src/features/TodolistsList/todolists-reducer.ts
@@ -0,0 +1,109 @@
+import {todolistsAPI, TodolistType} from '../../api/todolists-api'
+import {Dispatch} from 'redux'
+import {RequestStatusType, SetAppErrorActionType, setAppStatusAC, SetAppStatusActionType} from '../../app/app-reducer'
+import {handleServerNetworkError} from '../../utils/error-utils'
+import { AppThunk } from '../../app/store';
+
+const initialState: Array<TodolistDomainType> = []
+
+export const todolistsReducer = (state: Array<TodolistDomainType> = initialState, action: ActionsType): Array<TodolistDomainType> => {
+    switch (action.type) {
+        case 'REMOVE-TODOLIST':
+            return state.filter(tl => tl.id != action.id)
+        case 'ADD-TODOLIST':
+            return [{...action.todolist, filter: 'all', entityStatus: 'idle'}, ...state]
+
+        case 'CHANGE-TODOLIST-TITLE':
+            return state.map(tl => tl.id === action.id ? {...tl, title: action.title} : tl)
+        case 'CHANGE-TODOLIST-FILTER':
+            return state.map(tl => tl.id === action.id ? {...tl, filter: action.filter} : tl)
+        case 'CHANGE-TODOLIST-ENTITY-STATUS':
+            return state.map(tl => tl.id === action.id ? {...tl, entityStatus: action.status} : tl)
+        case 'SET-TODOLISTS':
+            return action.todolists.map(tl => ({...tl, filter: 'all', entityStatus: 'idle'}))
+        default:
+            return state
+    }
+}
+
+// actions
+export const removeTodolistAC = (id: string) => ({type: 'REMOVE-TODOLIST', id} as const)
+export const addTodolistAC = (todolist: TodolistType) => ({type: 'ADD-TODOLIST', todolist} as const)
+export const changeTodolistTitleAC = (id: string, title: string) => ({
+    type: 'CHANGE-TODOLIST-TITLE',
+    id,
+    title
+} as const)
+export const changeTodolistFilterAC = (id: string, filter: FilterValuesType) => ({
+    type: 'CHANGE-TODOLIST-FILTER',
+    id,
+    filter
+} as const)
+export const changeTodolistEntityStatusAC = (id: string, status: RequestStatusType) => ({
+    type: 'CHANGE-TODOLIST-ENTITY-STATUS', id, status } as const)
+export const setTodolistsAC = (todolists: Array<TodolistType>) => ({type: 'SET-TODOLISTS', todolists} as const)
+
+// thunks
+export const fetchTodolistsTC = (): AppThunk => {
+    return (dispatch) => {
+        dispatch(setAppStatusAC('loading'))
+        todolistsAPI.getTodolists()
+            .then((res) => {
+                dispatch(setTodolistsAC(res.data))
+                dispatch(setAppStatusAC('succeeded'))
+            })
+            .catch(error => {
+                handleServerNetworkError(error, dispatch);
+            })
+    }
+}
+export const removeTodolistTC = (todolistId: string) => {
+    return (dispatch: ThunkDispatch) => {
+        //изменим глобальный статус приложения, чтобы вверху полоса побежала
+        dispatch(setAppStatusAC('loading'))
+        //изменим статус конкретного тудулиста, чтобы он мог задизеблить что надо
+        dispatch(changeTodolistEntityStatusAC(todolistId, 'loading'))
+        todolistsAPI.deleteTodolist(todolistId)
+            .then((res) => {
+                dispatch(removeTodolistAC(todolistId))
+                //скажем глобально приложению, что асинхронная операция завершена
+                dispatch(setAppStatusAC('succeeded'))
+            })
+    }
+}
+export const addTodolistTC = (title: string) => {
+    return (dispatch: ThunkDispatch) => {
+        dispatch(setAppStatusAC('loading'))
+        todolistsAPI.createTodolist(title)
+            .then((res) => {
+                dispatch(addTodolistAC(res.data.data.item))
+                dispatch(setAppStatusAC('succeeded'))
+            })
+    }
+}
+export const changeTodolistTitleTC = (id: string, title: string) => {
+    return (dispatch: Dispatch<ActionsType>) => {
+        todolistsAPI.updateTodolist(id, title)
+            .then((res) => {
+                dispatch(changeTodolistTitleAC(id, title))
+            })
+    }
+}
+
+// types
+export type AddTodolistActionType = ReturnType<typeof addTodolistAC>;
+export type RemoveTodolistActionType = ReturnType<typeof removeTodolistAC>;
+export type SetTodolistsActionType = ReturnType<typeof setTodolistsAC>;
+type ActionsType =
+    | RemoveTodolistActionType
+    | AddTodolistActionType
+    | ReturnType<typeof changeTodolistTitleAC>
+    | ReturnType<typeof changeTodolistFilterAC>
+    | SetTodolistsActionType
+    | ReturnType<typeof changeTodolistEntityStatusAC>
+export type FilterValuesType = 'all' | 'active' | 'completed';
+export type TodolistDomainType = TodolistType & {
+    filter: FilterValuesType
+    entityStatus: RequestStatusType
+}
+type ThunkDispatch = Dispatch<ActionsType | SetAppStatusActionType | SetAppErrorActionType>
--- a/src/features/TodolistsList/todolists-tasks-reducer.test.ts
+++ b/src/features/TodolistsList/todolists-tasks-reducer.test.ts
@@ -0,0 +1,27 @@
+import {addTodolistAC, TodolistDomainType, todolistsReducer} from './todolists-reducer'
+import {tasksReducer, TasksStateType} from './tasks-reducer'
+import {TodolistType} from '../../api/todolists-api'
+
+test('ids should be equals', () => {
+    const startTasksState: TasksStateType = {};
+    const startTodolistsState: Array<TodolistDomainType> = [];
+
+    let todolist: TodolistType = {
+        title: 'new todolist',
+        id: 'any id',
+        addedDate: '',
+        order: 0
+    }
+
+    const action = addTodolistAC(todolist);
+
+    const endTasksState = tasksReducer(startTasksState, action)
+    const endTodolistsState = todolistsReducer(startTodolistsState, action)
+
+    const keys = Object.keys(endTasksState);
+    const idFromTasks = keys[0];
+    const idFromTodolists = endTodolistsState[0].id;
+
+    expect(idFromTasks).toBe(action.todolist.id);
+    expect(idFromTodolists).toBe(action.todolist.id);
+});
--- a/src/hooks/useAppDispatch.ts
+++ b/src/hooks/useAppDispatch.ts
@@ -0,0 +1,6 @@
+import { useDispatch } from 'react-redux';
+import { AppDispatch } from '../app/store';
+
+
+// export const useAppDispatch: () => AppDispatch = useDispatch
+export const useAppDispatch =  () => useDispatch<AppDispatch>()
--- a/src/index.css
+++ b/src/index.css
@@ -0,0 +1,13 @@
+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
+    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
+    sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+code {
+  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
+    monospace;
+}
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -0,0 +1,15 @@
+import React from 'react';
+import { createRoot } from 'react-dom/client';
+import './index.css';
+import App from './app/App';
+import { store } from './app/store';
+import { Provider } from 'react-redux';
+
+
+const root = createRoot(document.getElementById('root') as HTMLElement);
+root.render(
+	<Provider store={store}>
+		<App/>
+	</Provider>
+);
+
--- a/src/logo.svg
+++ b/src/logo.svg
@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 841.9 595.3">
+    <g fill="#61DAFB">
+        <path d="M666.3 296.5c0-32.5-40.7-63.3-103.1-82.4 14.4-63.6 8-114.2-20.2-130.4-6.5-3.8-14.1-5.6-22.4-5.6v22.3c4.6 0 8.3.9 11.4 2.6 13.6 7.8 19.5 37.5 14.9 75.7-1.1 9.4-2.9 19.3-5.1 29.4-19.6-4.8-41-8.5-63.5-10.9-13.5-18.5-27.5-35.3-41.6-50 32.6-30.3 63.2-46.9 84-46.9V78c-27.5 0-63.5 19.6-99.9 53.6-36.4-33.8-72.4-53.2-99.9-53.2v22.3c20.7 0 51.4 16.5 84 46.6-14 14.7-28 31.4-41.3 49.9-22.6 2.4-44 6.1-63.6 11-2.3-10-4-19.7-5.2-29-4.7-38.2 1.1-67.9 14.6-75.8 3-1.8 6.9-2.6 11.5-2.6V78.5c-8.4 0-16 1.8-22.6 5.6-28.1 16.2-34.4 66.7-19.9 130.1-62.2 19.2-102.7 49.9-102.7 82.3 0 32.5 40.7 63.3 103.1 82.4-14.4 63.6-8 114.2 20.2 130.4 6.5 3.8 14.1 5.6 22.5 5.6 27.5 0 63.5-19.6 99.9-53.6 36.4 33.8 72.4 53.2 99.9 53.2 8.4 0 16-1.8 22.6-5.6 28.1-16.2 34.4-66.7 19.9-130.1 62-19.1 102.5-49.9 102.5-82.3zm-130.2-66.7c-3.7 12.9-8.3 26.2-13.5 39.5-4.1-8-8.4-16-13.1-24-4.6-8-9.5-15.8-14.4-23.4 14.2 2.1 27.9 4.7 41 7.9zm-45.8 106.5c-7.8 13.5-15.8 26.3-24.1 38.2-14.9 1.3-30 2-45.2 2-15.1 0-30.2-.7-45-1.9-8.3-11.9-16.4-24.6-24.2-38-7.6-13.1-14.5-26.4-20.8-39.8 6.2-13.4 13.2-26.8 20.7-39.9 7.8-13.5 15.8-26.3 24.1-38.2 14.9-1.3 30-2 45.2-2 15.1 0 30.2.7 45 1.9 8.3 11.9 16.4 24.6 24.2 38 7.6 13.1 14.5 26.4 20.8 39.8-6.3 13.4-13.2 26.8-20.7 39.9zm32.3-13c5.4 13.4 10 26.8 13.8 39.8-13.1 3.2-26.9 5.9-41.2 8 4.9-7.7 9.8-15.6 14.4-23.7 4.6-8 8.9-16.1 13-24.1zM421.2 430c-9.3-9.6-18.6-20.3-27.8-32 9 .4 18.2.7 27.5.7 9.4 0 18.7-.2 27.8-.7-9 11.7-18.3 22.4-27.5 32zm-74.4-58.9c-14.2-2.1-27.9-4.7-41-7.9 3.7-12.9 8.3-26.2 13.5-39.5 4.1 8 8.4 16 13.1 24 4.7 8 9.5 15.8 14.4 23.4zM420.7 163c9.3 9.6 18.6 20.3 27.8 32-9-.4-18.2-.7-27.5-.7-9.4 0-18.7.2-27.8.7 9-11.7 18.3-22.4 27.5-32zm-74 58.9c-4.9 7.7-9.8 15.6-14.4 23.7-4.6 8-8.9 16-13 24-5.4-13.4-10-26.8-13.8-39.8 13.1-3.1 26.9-5.8 41.2-7.9zm-90.5 125.2c-35.4-15.1-58.3-34.9-58.3-50.6 0-15.7 22.9-35.6 58.3-50.6 8.6-3.7 18-7 27.7-10.1 5.7 19.6 13.2 40 22.5 60.9-9.2 20.8-16.6 41.1-22.2 60.6-9.9-3.1-19.3-6.5-28-10.2zM310 490c-13.6-7.8-19.5-37.5-14.9-75.7 1.1-9.4 2.9-19.3 5.1-29.4 19.6 4.8 41 8.5 63.5 10.9 13.5 18.5 27.5 35.3 41.6 50-32.6 30.3-63.2 46.9-84 46.9-4.5-.1-8.3-1-11.3-2.7zm237.2-76.2c4.7 38.2-1.1 67.9-14.6 75.8-3 1.8-6.9 2.6-11.5 2.6-20.7 0-51.4-16.5-84-46.6 14-14.7 28-31.4 41.3-49.9 22.6-2.4 44-6.1 63.6-11 2.3 10.1 4.1 19.8 5.2 29.1zm38.5-66.7c-8.6 3.7-18 7-27.7 10.1-5.7-19.6-13.2-40-22.5-60.9 9.2-20.8 16.6-41.1 22.2-60.6 9.9 3.1 19.3 6.5 28.1 10.2 35.4 15.1 58.3 34.9 58.3 50.6-.1 15.7-23 35.6-58.4 50.6zM320.8 78.4z"/>
+        <circle cx="420.9" cy="296.5" r="45.7"/>
+        <path d="M520.5 78.1z"/>
+    </g>
+</svg>
--- a/src/react-app-env.d.ts
+++ b/src/react-app-env.d.ts
@@ -0,0 +1 @@
+/// <reference types="react-scripts" />
--- a/src/serviceWorker.ts
+++ b/src/serviceWorker.ts
@@ -0,0 +1,149 @@
+// This optional code is used to register a service worker.
+// register() is not called by default.
+
+// This lets the app load faster on subsequent visits in production, and gives
+// it offline capabilities. However, it also means that developers (and users)
+// will only see deployed updates on subsequent visits to a page, after all the
+// existing tabs open on the page have been closed, since previously cached
+// resources are updated in the background.
+
+// To learn more about the benefits of this model and instructions on how to
+// opt-in, read https://bit.ly/CRA-PWA
+
+const isLocalhost = Boolean(
+  window.location.hostname === 'localhost' ||
+    // [::1] is the IPv6 localhost address.
+    window.location.hostname === '[::1]' ||
+    // 127.0.0.0/8 are considered localhost for IPv4.
+    window.location.hostname.match(
+      /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
+    )
+);
+
+type Config = {
+  onSuccess?: (registration: ServiceWorkerRegistration) => void;
+  onUpdate?: (registration: ServiceWorkerRegistration) => void;
+};
+
+export function register(config?: Config) {
+  if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
+    // The URL constructor is available in all browsers that support SW.
+    const publicUrl = new URL(
+      process.env.PUBLIC_URL,
+      window.location.href
+    );
+    if (publicUrl.origin !== window.location.origin) {
+      // Our service worker won't work if PUBLIC_URL is on a different origin
+      // from what our page is served on. This might happen if a CDN is used to
+      // serve assets; see https://github.com/facebook/create-react-app/issues/2374
+      return;
+    }
+
+    window.addEventListener('load', () => {
+      const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
+
+      if (isLocalhost) {
+        // This is running on localhost. Let's check if a service worker still exists or not.
+        checkValidServiceWorker(swUrl, config);
+
+        // Add some additional logging to localhost, pointing developers to the
+        // service worker/PWA documentation.
+        navigator.serviceWorker.ready.then(() => {
+          console.log(
+            'This web app is being served cache-first by a service ' +
+              'worker. To learn more, visit https://bit.ly/CRA-PWA'
+          );
+        });
+      } else {
+        // Is not localhost. Just register service worker
+        registerValidSW(swUrl, config);
+      }
+    });
+  }
+}
+
+function registerValidSW(swUrl: string, config?: Config) {
+  navigator.serviceWorker
+    .register(swUrl)
+    .then(registration => {
+      registration.onupdatefound = () => {
+        const installingWorker = registration.installing;
+        if (installingWorker == null) {
+          return;
+        }
+        installingWorker.onstatechange = () => {
+          if (installingWorker.state === 'installed') {
+            if (navigator.serviceWorker.controller) {
+              // At this point, the updated precached content has been fetched,
+              // but the previous service worker will still serve the older
+              // content until all client tabs are closed.
+              console.log(
+                'New content is available and will be used when all ' +
+                  'tabs for this page are closed. See https://bit.ly/CRA-PWA.'
+              );
+
+              // Execute callback
+              if (config && config.onUpdate) {
+                config.onUpdate(registration);
+              }
+            } else {
+              // At this point, everything has been precached.
+              // It's the perfect time to display a
+              // "Content is cached for offline use." message.
+              console.log('Content is cached for offline use.');
+
+              // Execute callback
+              if (config && config.onSuccess) {
+                config.onSuccess(registration);
+              }
+            }
+          }
+        };
+      };
+    })
+    .catch(error => {
+      console.error('Error during service worker registration:', error);
+    });
+}
+
+function checkValidServiceWorker(swUrl: string, config?: Config) {
+  // Check if the service worker can be found. If it can't reload the page.
+  fetch(swUrl, {
+    headers: { 'Service-Worker': 'script' }
+  })
+    .then(response => {
+      // Ensure service worker exists, and that we really are getting a JS file.
+      const contentType = response.headers.get('content-type');
+      if (
+        response.status === 404 ||
+        (contentType != null && contentType.indexOf('javascript') === -1)
+      ) {
+        // No service worker found. Probably a different app. Reload the page.
+        navigator.serviceWorker.ready.then(registration => {
+          registration.unregister().then(() => {
+            window.location.reload();
+          });
+        });
+      } else {
+        // Service worker found. Proceed as normal.
+        registerValidSW(swUrl, config);
+      }
+    })
+    .catch(() => {
+      console.log(
+        'No internet connection found. App is running in offline mode.'
+      );
+    });
+}
+
+export function unregister() {
+  if ('serviceWorker' in navigator) {
+    navigator.serviceWorker.ready
+      .then(registration => {
+        registration.unregister();
+      })
+      .catch(error => {
+        console.error(error.message);
+      });
+  }
+}
--- a/src/setupTests.ts
+++ b/src/setupTests.ts
@@ -0,0 +1,5 @@
+// jest-dom adds custom jest matchers for asserting on DOM nodes.
+// allows you to do things like:
+// expect(element).toHaveTextContent(/react/i)
+// learn more: https://github.com/testing-library/jest-dom
+import '@testing-library/jest-dom';
--- a/src/utils/error-utils.ts
+++ b/src/utils/error-utils.ts
@@ -0,0 +1,17 @@
+import {setAppErrorAC, SetAppErrorActionType, setAppStatusAC, SetAppStatusActionType} from '../app/app-reducer'
+import {ResponseType} from '../api/todolists-api'
+import {Dispatch} from 'redux'
+
+export const handleServerAppError = <D>(data: ResponseType<D>, dispatch: Dispatch<SetAppErrorActionType | SetAppStatusActionType>) => {
+    if (data.messages.length) {
+        dispatch(setAppErrorAC(data.messages[0]))
+    } else {
+        dispatch(setAppErrorAC('Some error occurred'))
+    }
+    dispatch(setAppStatusAC('failed'))
+}
+
+export const handleServerNetworkError = (error: { message: string }, dispatch: Dispatch<SetAppErrorActionType | SetAppStatusActionType>) => {
+    dispatch(setAppErrorAC(error.message ? error.message : 'Some error occurred'))
+    dispatch(setAppStatusAC('failed'))
+}