get data in from a collection firestore
db.collection("users").get().then((querySnapshot) => {
querySnapshot.forEach((doc) => {
console.log(`${doc.id} => ${doc.data()}`);
});get data in from a collection firestore
db.collection("users").get().then((querySnapshot) => {
querySnapshot.forEach((doc) => {
console.log(`${doc.id} => ${doc.data()}`);
});javascript write to firebase
function writeUserData(userId, name, email, imageUrl) {
firebase.database().ref('users/' + userId).set({
username: name,
email: email,
profile_picture : imageUrl
});
}get data from firestore
const [hospitalsDetails, setHospitalsDetails] = useState([])
useEffect(()=>{
//load hospitals into hospitalsList
const hospitals = []
db.collection('Hospitals').get()
.then(snapshot => {
snapshot.docs.forEach(hospital => {
let currentID = hospital.id
let appObj = { ...hospital.data(), ['id']: currentID }
hospitals.push(appObj)
hospitals.push(hospital.data())
})
setHospitalsDetails(hospitals)
})
},[])Copyright © 2021 Codeinu
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