/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

9 votes120 views4 answers
Error TS2564: Property 'description' has no initializer and is not definitely assigned in the constructor. in angular class
TypeScript
1 vote114 views1 answer
Vue typescript extend component option
TypeScript
0 vote112 views1 answer
A korean movie where a man gets kidnapped by a family
TypeScript
1 vote115 views1 answer
Ts date get minutes
TypeScript
1 vote117 views2 answers
Dart clone list
TypeScript
1 vote104 views1 answer
Next js onclick navigate
TypeScript
1 vote115 views1 answer
React typescript stoppropagation
TypeScript
0 vote113 views1 answer
How are uv rays produced
TypeScript
0 vote121 views1 answer
Typescript import particular class from file
TypeScript
0 vote129 views1 answer
Making barplots in r
TypeScript