/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

0 vote229 views1 answer
Common child hackerrank solution
TypeScript
0 vote244 views1 answer
Ignoring header x-firebase-locale because its value was null. flutter
TypeScript
0 vote237 views1 answer
How to send attachments to api
TypeScript
0 vote241 views1 answer
Css all inoputs not checkbox
TypeScript
0 vote226 views1 answer
Economic tracking portfolio construction
TypeScript
4 votes253 views2 answers
How to get value_counts output in dataframe format
TypeScript
1 vote211 views1 answer
Angular ngfor conditional pipe
TypeScript
0 vote227 views1 answer
Typescript d ts meaning
TypeScript
0 vote227 views1 answer
Rails_env production rake assets precompile
TypeScript
0 vote225 views1 answer
How to check if a string is composed only of alphabets in python
TypeScript