public Task <bool> DeleteOldToken(string oldToken)
{
IsItMyTurnContext context = new IsItMyTurnContext();
try
{
FcmTokens tokenObj = (from ft in context.FcmTokens
where ft.Token == oldToken
select ft).FirstOrDefault();
context.FcmTokens.Remove(tokenObj);
context.SaveChanges();
return(Task.FromResult(true));
}
catch (Exception)
{
throw new Exception();
}
}
public async Task <ActionResult> HandleDevicesAndTokens([FromBody] OtherModels.Identifier identifier)
{
IsItMyTurnContext context = new IsItMyTurnContext();
var deviceCheck = (from d in context.Devices
where d.UniqueIdentifier == identifier.UniqueIdentifier
select d).FirstOrDefault();
// Check if device exists in database
if (deviceCheck == null)
{
Devices device = new Devices()
{
UniqueIdentifier = identifier.UniqueIdentifier
};
context.Devices.Add(device);
int success = await context.SaveChangesAsync();
// When device has added successfully, a token will be added to device
if (success > 0)
{
int deviceId = (from d in context.Devices
where d.UniqueIdentifier == identifier.UniqueIdentifier
select d.DeviceId).FirstOrDefault();
FcmTokens token = new FcmTokens()
{
DeviceId = deviceId,
Token = identifier.Token
};
context.FcmTokens.Add(token);
context.SaveChanges();
return(Ok("A new device and a token has added successfully!"));
}
else
{
return(BadRequest("Problem detected while adding a device identifier to database."));
}
}
else
{
// If device exists, check if the device has a token
var tokenCheck = (from ft in context.FcmTokens
where ft.DeviceId == deviceCheck.DeviceId
select ft).FirstOrDefault();
// If a token is not exist, it will be added to database. Otherwise the old one will be updated
if (tokenCheck == null)
{
FcmTokens token = new FcmTokens()
{
DeviceId = deviceCheck.DeviceId,
Token = identifier.Token
};
context.FcmTokens.Add(token);
int success = context.SaveChanges();
if (success > 0)
{
return(Ok("Token has added successfully!"));
}
else
{
return(BadRequest("Problem detected while adding a token for device to database."));
}
}
else
{
tokenCheck.Token = identifier.Token;
int success = context.SaveChanges();
if (success > 0)
{
return(Ok("Token updated successfully!"));
}
else
{
return(BadRequest("Problem detected while updating a token for device to database."));
}
}
}
}
public bool OwnsFcmToken(string token)
{
return(FcmTokens?.Find(t => t.Token == token) != null);
}
