init

src/features/Login/auth-reducer.ts

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+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>