ErEduGilMor/redux/actions/index.js

import firebase from "firebase";

import { USER_STATE_CHANGE } from "../constants";

export function fetchUser() {
    return ((dispatch) => {
        firebase.firestore()
            .collection("Users")
            .doc(firebase.auth().currentUser.uid)
            .get()
            .then((snapshot) => {
                if(snapshot.exists){
                    dispatch({type: USER_STATE_CHANGE, currentUser: snapshot.data()})
                }
                else{
                    firebase.firestore().collection("Interpreters")
                    .doc(firebase.auth().currentUser.uid)
                    .get()
                    .then((snapshot) => {
                        if(snapshot.exists){
                            dispatch({type: USER_STATE_CHANGE, currentUser: snapshot.data()})
                        }
                        else{
                            console.log("DOES NOT EXIST")
                        }
                    })
                }
            })
    })
}