firebase Questions

Firebase – Is there any way to avoid nested subscribe?

December 3, 2022
Heloise Wong
2 Answers

(https://i.stack.imgur.com/2zm2w.png) collectionData(queryRef).subscribe((data) => { for (const each of data) { this.getCourse(each.courseId) .pipe(take(1)) .subscribe((courseData) => { const course = courseData[0]; console.log(course); this.getLecturer(course.lecturerId).pipe(take(1)).subscribe((res: any)=>{ const lecturer = res[0]; course.lecturerName = lecturer.lecturerName; course.lecturerImageUrl = lecturer.lecturerImageUrl; }); recentVisit.push(course); }); } }); Hi I am…

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Firebase – Firestore get all Documents between two dates

December 2, 2022
David Griffin
3 Answers

query(meetingsCollection, where("start", "in", today), orderBy("start", "asc") I'd like a Firestore query, so that I can fetch all documents between 02/12/2022 - 00:00:00.000 && 03/12/2022 00:00:00.000, ordered by the Date property start, so that I can bucketsize my firestore data request…

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Read data from firebase document with sub collections >> sub documents

December 2, 2022
Mohanish Saim
2 Answers

Is it possible to get data of sub-documents by reading only the main document in Firestore? Basically, the Firebase listCollections() method gives the id of subcollections, but how can we get their data? I have tried for listCollections() to get…

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StreamBuilder has data when it shouldn't – Flutter

December 2, 2022
Garrett
2 Answers

I'm using Firebase Realtime database to add chat features to my app. In the database I have the following data: { events: { "event-uuid1": { "chat-uuid1": { "message": "hey" }, "chat-uuid2": { "message": "hey again" } } } } In…

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I´m getting this error "Execution failed for task ':app:processDebugMainManifest'" on Flutter

December 2, 2022
José Ignacio Duque
2 Answers

I´m using flutter version 3.4.0 with cloud_firestore version ^4.1.0 and I´m getting this error: `Execution failed for task ':app:processDebugMainManifest' Manifest merger failed : uses-sdk:minSdkVersion 16 cannot be smaller than version 19 declared in library [:cloud_firestore]` How should I change version…

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swift firebase queryStartingAtValue

December 2, 2022
Terry
2 Answers

I'm new to firebase and am trying to search the title of the product using queryStartingAtValue. in my firebase JSON and code below, I have a few levels to travel. it look like -> /item/(section name: clothing,games etc)/autoID/(product name, price)…

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Firebase – How to register two different service-workers in the same scope?

December 2, 2022
art
2 Answers

I have a service-worker.js file to make my reactjs app PWA. I now also want to add push notification using FCM, which requires me to have firebase-messaging-sw.js in the public folder. So now for both to work both are going…

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Firebase – useSelector retrieving state on initial page load, but returning nothing on page refresh

December 2, 2022
Josh Simon
2 Answers

I'm building a simple venue review app using react/redux toolkit/firebase. The feature VenueList.js renders a list of venues. When the user clicks on a venue, it routes them to Venue.js page which renders information about the specific venue clicked on.…

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Firebase – How do I remove an item from a nested array in Firestore?

December 1, 2022
Anik Dev
2 Answers

I want to remove the type 'A' from the capital. How do I do it? Any code example will be appreciated. I am working on a react project.

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Firebase – Filtering Data from Firestore in Django, passing to HTML template

December 1, 2022
DrewS
2 Answers

I have data stored in Firestore and i would like to get data from a collection, filter it and publish it in HTML template. I am using Django as the framework. VIEWS.py from django.shortcuts import render import pyrebase from firebase_admin…

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