public static Task<IEnumerable<TabPlace>> GetPlacesByLocation(Tuple<double, double> latLng, double radius = 10)
{
var tcs = new TaskCompletionSource<IEnumerable<TabPlace>> ();
var query = new ParseQuery ("Place");
query.WhereWithinKilometers ("latLng", new ParseGeoPoint (latLng.Item1, latLng.Item2), radius);
query.Include ("person");
query.Limit = 10;
query.FindInBackground (new TabFindCallback ((os, e) => {
if (e != null)
tcs.SetException (e);
else
tcs.SetResult (os.Select (FromParse).ToList ());
}));
return tcs.Task;
}
internal void LaunchApp(Activity ctx, ParseUser withUser, Action uiCallback)
{
// Fetch the person corresponding to the user
Task.Factory.StartNew (() => {
var query = new ParseQuery ("Person");
query.SetCachePolicy (ParseQuery.CachePolicy.CacheElseNetwork);
query.WhereEqualTo ("parseUser", withUser);
query.Include ("parseUser");
ParseObject self = null;
try {
self = query.First;
} catch (ParseException ex) {
// We may have a stall result from a previous registration
if (query.HasCachedResult) {
query.ClearCachedResult ();
try {
self = query.First;
} catch {
Android.Util.Log.Error ("Landing", "Error when trying to retrieve user 2. Normal if empty. {0}", ex.ToString ());
}
}
Android.Util.Log.Error ("Landing", "Error when trying to retrieve user. Normal if empty. {0}", ex.ToString ());
}
// First time ever, fill the info
if (self == null) {
TabPerson person = null;
// Check if our TabPerson wasn't created indirectly by another user
query = new ParseQuery ("Person");
query.WhereEqualTo ("emails", TabPerson.MD5Hash (withUser.Email));
try {
person = TabPerson.FromParse (query.First);
person.AssociatedUser = withUser;
} catch {
// We use the main address email we got by parseUser
// and we will fill the rest lazily later from profile
// idem for the display name
person = new TabPerson {
AssociatedUser = withUser,
Emails = new string[] { withUser.Email }
};
}
return person;
} else {
TabPerson.CurrentPerson = TabPerson.FromParse (self);
return null;
}
}).ContinueWith (t => {
ctx.RunOnUiThread (() => {
// If the user was created, we setup a CursorLoader to query the information we need
if (t.Result != null) {
var person = t.Result;
person.DisplayName = profile.DisplayName;
person.Emails = profile.Emails.Union (person.Emails);
person.ToParse ().SaveEventually ();
TabPerson.CurrentPerson = person;
}
if (uiCallback != null)
uiCallback ();
ctx.Finish ();
ctx.StartActivity (typeof (MainActivity));
});
});
}