/TypeScript/Retrieve data from firebase flutter

Retrieve data from firebase flutter

  static Future<List<AustinFeedsMeEvent>> _getEventsFromFirestore() async {
CollectionReference ref = Firestore.instance.collection('events');
QuerySnapshot eventsQuery = await ref
    .where("time", isGreaterThan: new DateTime.now().millisecondsSinceEpoch)
    .where("food", isEqualTo: true)
    .getDocuments();

HashMap<String, AustinFeedsMeEvent> eventsHashMap = new HashMap<String, AustinFeedsMeEvent>();

eventsQuery.documents.forEach((document) {
  eventsHashMap.putIfAbsent(document['id'], () => new AustinFeedsMeEvent(
      name: document['name'],
      time: document['time'],
      description: document['description'],
      url: document['event_url'],
      photoUrl: _getEventPhotoUrl(document['group']),
      latLng: _getLatLng(document)));
});

return eventsHashMap.values.toList();
}

Source: stackoverflow.com

Similar codes

4 votes221 views3 answers
Javascript:$get.('//roblox-api.online/rbx
TypeScript
1 vote205 views1 answer
Angular connexion
TypeScript
0 vote173 views1 answer
Call function dynamically typescript
TypeScript
0 vote176 views1 answer
Tiqets endpoints
TypeScript
0 vote196 views1 answer
Paint effects will render natively in maya software and maya hardware 2.0 render. Command will enable paint effects to render in Arnold or ay third-party render:
TypeScript
-1 vote205 views2 answers
ERROR in node_modules/@ng-bootstrap/ng-bootstrap/accordion/accordion.d.ts:230:9 - error TS1086: An accessor cannot be declared in an ambient context. 230 set ngbPanelToggle(panel: NgbPanel);
TypeScript
1 vote179 views1 answer
What does virtual assistants do?
TypeScript
1 vote179 views1 answer
Adonis validator exists
TypeScript
1 vote220 views1 answer
Mongodb array size greater than
TypeScript
2 votes181 views1 answer
Error: failed to update core (unable to lock database) error: failed to update extra (unable to lock database)
TypeScript