public async Task <List <Event> > GetUserEventByDateRange(string username, DateTime startDate, DateTime endDate)
{
List <Event> result = new List <Event>();
if (!string.IsNullOrEmpty(username))
{
try
{
IQuerySnapshot querySnapshot = await _firestore.GetCollection(nameof(Event))
.WhereArrayContains(nameof(Event.UsersList), username)
.WhereGreaterThanOrEqualsTo(nameof(Event.StartDateTime), startDate)
.WhereLessThanOrEqualsTo(nameof(Event.StartDateTime), endDate)
.GetDocumentsAsync();
foreach (IDocumentSnapshot documentSnapshot in querySnapshot.Documents)
{
if (documentSnapshot.Exists)
{
Event newEvent = documentSnapshot.ToObject <Event>();
result.Add(newEvent);
}
}
}
catch (Exception e)
{
result = null;
App.LogException(e);
}
}
return(result);
}
public async Task <ObservableCollection <Event> > GetPastEventListAsync()
{
ObservableCollection <Event> result = new ObservableCollection <Event>();
try
{
IQuerySnapshot querySnapshot = await _firestore.GetCollection(nameof(Event))
.WhereLessThan(nameof(Event.StartDateTime), DateTime.Now)
.OrderBy(nameof(Event.StartDateTime), true)
.LimitTo(20)
.GetDocumentsAsync();
foreach (IDocumentSnapshot documentSnapshot in querySnapshot.Documents)
{
if (documentSnapshot.Exists)
{
Event newEvent = documentSnapshot.ToObject <Event>();
result.Add(newEvent);
}
}
}
catch (Exception e)
{
result = null;
App.LogException(e);
}
return(result);
}
public async Task <ObservableCollection <Event> > GetNextEventListByParticipantUsername(string username, Event evento)
{
ObservableCollection <Event> result = new ObservableCollection <Event>();
try
{
IDocumentSnapshot documentSnapshotLast = await _firestore.GetCollection(nameof(Event)).GetDocument(evento.Id).GetDocumentAsync();
if (documentSnapshotLast != null)
{
IQuerySnapshot querySnapshot = await _firestore.GetCollection(nameof(Event))
.WhereArrayContains(nameof(Event.UsersList), username)
.OrderBy(nameof(Event.StartDateTime), true)
.StartAfter(documentSnapshotLast)
.LimitTo(20)
.GetDocumentsAsync();
foreach (IDocumentSnapshot documentSnapshot in querySnapshot.Documents)
{
if (documentSnapshot.Exists)
{
Event newEvent = documentSnapshot.ToObject <Event>();
result.Add(newEvent);
}
}
}
}
catch (Exception e)
{
result = null;
App.LogException(e);
}
return(result);
}
public async Task <ObservableCollection <User> > GetUsersListByUsernameListAsync(List <string> usernameLists)
{
ObservableCollection <User> result = new ObservableCollection <User>();
if (usernameLists != null && usernameLists.Count > 0)
{
try
{
IQuerySnapshot querySnapshot = await _firestore.GetCollection(nameof(User)).GetDocumentsAsync();
foreach (IDocumentSnapshot documentSnapshot in querySnapshot.Documents)
{
if (documentSnapshot.Exists)
{
User newUser = documentSnapshot.ToObject <User>();
if (usernameLists.Contains(newUser.Email))
{
result.Add(newUser);
}
}
}
}
catch (Exception e)
{
result = new ObservableCollection <User>();
App.LogException(e);
}
}
return(result);
}
public async Task <ObservableCollection <User> > GetUserListAsync()
{
ObservableCollection <User> result = new ObservableCollection <User>();
try
{
IQuerySnapshot querySnapshot = await _firestore.GetCollection(nameof(User)).GetDocumentsAsync();
foreach (IDocumentSnapshot documentSnapshot in querySnapshot.Documents)
{
if (documentSnapshot.Exists)
{
User newUser = documentSnapshot.ToObject <User>();
result.Add(newUser);
}
}
}
catch (Exception e)
{
result = null;
App.LogException(e);
}
return(result);
}
public async Task <User> GetUserByPresenceIdAsync(string presenceId)
{
User result = null;
if (!string.IsNullOrEmpty(presenceId))
{
try
{
IQuerySnapshot querySnapshot = await _firestore.GetCollection(nameof(User)).WhereEqualsTo(nameof(User.PresenceId), presenceId).GetDocumentsAsync();
IDocumentSnapshot documentSnapshot = querySnapshot.Documents.FirstOrDefault();
if (documentSnapshot.Exists)
{
result = documentSnapshot.ToObject <User>();
}
}
catch (Exception e)
{
result = null;
App.LogException(e);
}
}
return(result);
}
public async Task <ObservableCollection <Event> > GetNextFutureEventListPageAsync(Event evento)
{
ObservableCollection <Event> result = new ObservableCollection <Event>();
if (evento != null)
{
try
{
IDocumentSnapshot documentSnapshotLast = await _firestore.GetCollection(nameof(Event)).GetDocument(evento.Id).GetDocumentAsync();
if (documentSnapshotLast != null)
{
IQuerySnapshot querySnapshot = await _firestore.GetCollection(nameof(Event))
.WhereGreaterThanOrEqualsTo(nameof(Event.StartDateTime), DateTime.Now)
.OrderBy(nameof(Event.StartDateTime))
.StartAfter(documentSnapshotLast)
.LimitTo(20)
.GetDocumentsAsync();
foreach (IDocumentSnapshot documentSnapshot in querySnapshot.Documents)
{
if (documentSnapshot.Exists)
{
Event newEvent = documentSnapshot.ToObject <Event>();
result.Add(newEvent);
}
}
}
}
catch (Exception e)
{
result = null;
App.LogException(e);
}
}
return(result);
}
/// <summary>
/// Initializes a new instance of the <see cref="QuerySnapshotProvider{T}"/> class.
/// </summary>
/// <param name="sourceQuery">The query to snapshot.</param>
/// <param name="parent">The parent that created this.</param>
public QuerySnapshotProvider(IQueryable sourceQuery, IQuerySnapshot parent)
: base(sourceQuery)
{
Parent = parent;
}
