Sorry for the typo : combineAll apply *combineLatest* when the observable
of observable completes.
On Saturday, 7 March 2020 13:21:43 UTC+1, Arnaud Deman wrote:
> Hi Christopher,
>
> I am not completely sure. As the definition of combineAll is to apply
> combineAll when the observervable of observable complete I would say here :
>
> return afs.doc<FriendlyName>('serials/' +
> serial_record['serial']).valueChanges()*.pipe(take(1))*
>
> Regards,
> Arnaud
> *.*
>
> On Saturday, 7 March 2020 03:16:30 UTC+1, Christopher de Vidal wrote:
>>
>> Thanks for your reply. I'm new, where would I place take()?
>>
>> On Wednesday, March 4, 2020 at 3:31:53 AM UTC-5, Arnaud Deman wrote:
>>>
>>> Hi Christopher,
>>>
>>> I think it is because the observables returned by AngularFirestore never
>>> complete.
>>> You can use the take operator to make it complete manually.
>>> Regards,
>>> Arnaud.
>>>
>>>
>>>
>>> On Tuesday, 3 March 2020 22:29:59 UTC+1, Christopher de Vidal wrote:
>>>>
>>>> I worked around the problem by denormalizing but I'm curious if someone
>>>> has thoughts how it might have been solved originally.
>>>>
>>>> New schema:
>>>> /users/<username>/ABC123/name = 'Near the house'
>>>>
>>>> On Tuesday, March 3, 2020 at 2:45:31 PM UTC-5, Christopher de Vidal
>>>> wrote:
>>>>>
>>>>> 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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