text: import {takeLatest, put, all, call} from 'redux-saga/effects';
  import UserActionTypes from "./user.types";
  import {auth, googleProvider, createUserProfileDocument, getCurrentUser} from "../../firebase/firebase.utils";
  import {
      signInSuccess,
      signInFailure,
      signOutSuccess,
      signOutFailure,
      signUpSuccess,
      signUpFailure
  } from "./user.actions";
  
  export function* getSnapshotFromUserAuth(userAuth, additionalData) {
      try {
          const userRef = yield call(createUserProfileDocument, userAuth, additionalData);
          const userSnapshot = yield userRef.get();
          yield put(signInSuccess({
              id: userSnapshot.id,
              ...userSnapshot.data()
          }));
      } catch (error) {
          yield put(signInFailure(error));
      }
  }
  
  // SIGN IN WITH GOOGLE
  export function* signInWithGoogle() {
      try {
          const {user} = yield auth.signInWithPopup(googleProvider);
          yield getSnapshotFromUserAuth(user);
      } catch (error) {
          yield put(signInFailure(error));
      }
  }
  
  export function* onGoogleSignInStart() {
      yield takeLatest(UserActionTypes.GOOGLE_SIGN_IN_START, signInWithGoogle);
  }
  
  
  // SIGN IN WITH EMAIL
  
  export function* signInWithEmail({payload: {email,password}}) {
      try {
          const {user} = yield auth.signInWithEmailAndPassword(email, password);
          yield getSnapshotFromUserAuth(user);
      } catch (error) {
          yield put(signInFailure(error));
      }
  }
  
  export function* onEmailSignInStart() {
      yield takeLatest(UserActionTypes.EMAIL_SIGN_IN_START, signInWithEmail);
  }
  
  
  // SIGN OUT
  export function* signOut() {
      try {
          yield auth.signOut();
          yield put(signOutSuccess());
      } catch (error) {
          yield put(signOutFailure(error));
      }
  }
  
  export function* onSignOutStart() {
      yield takeLatest(UserActionTypes.SIGN_OUT_START, signOut);
  }
  
  // CHECK USER SESSION
  export function* isUserAuthenticated() {
      try {
          const userAuth = yield getCurrentUser();
          if(!userAuth) return ;
          yield getSnapshotFromUserAuth(userAuth);
      } catch (error) {
          yield put(signInFailure(error));
      }
  }
  
  export function* onCheckUserSession() {
      yield takeLatest(UserActionTypes.CHECK_USER_SESSION, isUserAuthenticated);
  }
  
  
  // SIGN UP
  export function* signUp({payload: {email, password, displayName}}) {
      try {
          const {user} = yield auth.createUserWithEmailAndPassword(email, password);
          yield put(signUpSuccess({user, additionalData: {displayName}}));
      } catch (error) {
          yield put(signUpFailure(error));
      }
  }
  
  export function* onSignUpStart() {
      yield takeLatest(UserActionTypes.SIGN_UP_START, signUp);
  }
  
  
  export function* signInAfterSignUp({payload: {user, additionalData}}) {
      yield getSnapshotFromUserAuth(user, additionalData);
  }
  
  export function* onSignUpSuccess() {
      yield takeLatest(UserActionTypes.SIGN_UP_SUCCESS, signInAfterSignUp)
  }
  
  
  export function* userSagas() {
      yield all(
          [
              call(onGoogleSignInStart),
              call(onEmailSignInStart),
              call(onCheckUserSession),
              call(onSignOutStart),
              call(onSignUpStart),
              call(onSignUpSuccess)
          ]
      );
  }