/// <summary>
/// Add caller as eater to currently open order and publish updated order to slack.
/// Update current entry, if already added.
/// </summary>
private async Task HandleEatAsCallerAction(SlashCommand command)
{
try
{
// Example: ['eat', '12.50', 'pizza']
var args = command.Text.Split(' ', StringSplitOptions.RemoveEmptyEntries).ToList();
if (args.Count < 2)
{
throw new FormatException();
}
// Cost
args[1] = args[1].Replace(',', '.');
var cost = decimal.Parse(args[1], CultureInfo.InvariantCulture);
// Optional item description
string item = null !;
if (args.Count >= 3)
{
// Join all remaining items because spaces may have been used in item description
item = string.Join(' ', args.Skip(2).ToArray());
}
var updatedOrder = await foodService.AddEater(eater : new FoodUser(command.UserId, command.UserName), cost, item);
await SendCommandResponse(command, SlackFormatter.BuildOrderMessage(updatedOrder));
}
catch (FormatException)
{
await SendError(command.ResponseUrl,
new BadRequestException($"Incorrect format, expected: /{CommandTexts.Eat} <cost> [description]"));
}
catch (Exception x)
{
await SendError(command.ResponseUrl, x);
}
}
