public async Task <IActionResult> EndRental([FromBody] RentalEnd end)
{
#region Check prerequisites
if (string.IsNullOrEmpty(end.CustomerID))
{
return(BadRequest(new ErrorResult {
Description = "Customer ID missing"
}));
}
if (string.IsNullOrEmpty(end.BikeID))
{
return(BadRequest(new ErrorResult {
Description = "Bike ID missing"
}));
}
#endregion
// Remember end of rental
var endOfRental = DateTime.UtcNow;
// Simulate Data Access (e.g. read rental data from DB)
await Task.Delay(250);
// Simulate rental that started a while ago
var beginOfRental = endOfRental.AddHours(Math.Round(new Random().NextDouble() * (-3), 1));
// Use rating service to calculate costs
var totalCosts = rating.CalculateTotalCosts(endOfRental - beginOfRental);
// Build result object
var result = new RentalEndResult
{
CustomerID = end.CustomerID,
BikeID = end.BikeID,
EndOfRental = endOfRental,
BeginOfRental = beginOfRental,
TotalCosts = totalCosts
};
// If service bus sender is available, send notification to service bus
if (serviceBusSender != null)
{
await serviceBusSender.SendRentalEndResult(result);
}
return(CreatedAtRoute("getRental", new { id = "BR999" }, result));
}
public async Task SendRentalEndResult(RentalEndResult result)
{
var topicClient = new TopicClient(await keyVaultReader.GetSecretAsync("ServiceBus"), "bike-rental-end");
var message = new Message(Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(result)));
await topicClient.SendAsync(message);
}
