/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

1 vote149 views1 answer
Mongodb increment array item
TypeScript
1 vote135 views3 answers
Select2 .select2-results .select2-highlighted
TypeScript
1 vote139 views1 answer
Input elements should have autocomplete attributes (suggested: "current-password")
TypeScript
2 votes143 views1 answer
Typescript initialize map inline
TypeScript
0 vote136 views1 answer
Python set remove duplicate elements
TypeScript
0 vote150 views1 answer
Flutter text button shape
TypeScript
2 votes156 views1 answer
Check typescript version
TypeScript
0 vote203 views1 answer
How to get class weights while using keras imagedatagenerator
TypeScript
0 vote156 views1 answer
Ratio of subplots matplotlib
TypeScript
1 vote146 views1 answer
Can't bind to 'cdkCopyToClipboard' since it isn't a known property of 'button'
TypeScript