private IList <DocumentSnapshot> ExecuteQueries()
{
IList <DocumentSnapshot> result = null;
// Firestore does not currently support performing multiple
// inequality filters on different properties for the same query
// As a workaround, we execute each query separately and then
// intersect the results
foreach (Query query in queries)
{
QuerySnapshot querySnapshot = query.GetSnapshotAsync().Result;
IList <DocumentSnapshot> documentSnapshots = new List <DocumentSnapshot>(querySnapshot.Documents);
if (result == null)
{
result = documentSnapshots;
}
else
{
result = ListUtils.IntersectWith(result, documentSnapshots);
}
}
if (result == null)
{
result = new List <DocumentSnapshot>(collection.GetSnapshotAsync().Result.Documents);
}
return(result);
}
