Help a newbie? The Firebase Firestore users/<user> collection contains a
serials subcollection that I assign to serials$. Each one of those fields
is turned into a string for a query of the 'serials' collection in
Firestore. But nothing is logging to the console. Please assist.
Schema:
/users/<username>/serials/['ABC123','ABC124','ABC125']
/serials/ABC123/friendly_name = 'Near the house'
/serials/ABC124/friendly_name = 'Side yard'
constructor(private afs: AngularFirestore) {
const serialsDocument = afs.doc<Serial>('users/cdevidal');
const serials$ = serialsDocument.collection<Serial>('serials').
valueChanges();
const friendly_names$ = serials$.pipe(
map(serial_record => {
console.log('typeof serial_record: ');
console.log(typeof serial_record);
console.log('serial_record: ');
console.log(serial_record);
return afs.doc<FriendlyName>('serials/' + serial_record['serial']).
valueChanges()
})
);
friendly_names$.pipe(combineAll()).subscribe(friendly_names_records => {
console.log('typeof friendly_names_records: ');
console.log(typeof friendly_names_records);
console.log('friendly_names_records: ');
console.log(friendly_names_records);
});
}
typeof serial_record:
object
serial_record:
(3) [{…}, {…}, {…}]
0: {serial: "ABC125"}
1: {serial: "ABC124"}
2: {serial: "ABC123"}
length: 3__proto__: Array(0)
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