/// <summary>
/// Finish the order, update balance and publish the updated balance to slack along with closed order message.
/// </summary>
private async Task HandleFinalizeOrderAction(SlashCommand command)
{
var(finishedOrder, updatedBalance) = await foodService.FinishOrder();
var responseBlocks = new List <Block>();
responseBlocks.AddRange(SlackFormatter.BuildOrderMessage(finishedOrder));
responseBlocks.AddRange(SlackFormatter.BuildBalanceMessage(updatedBalance));
await SendCommandResponse(command, responseBlocks);
}
/// <summary>
/// Print current balance to slack publicly.
/// </summary>
private async Task HandleShowBalanceAction(SlashCommand command)
{
var balanceBook = await foodService.GetBalanceBook();
if (balanceBook == null)
{
throw new BadRequestException("No balance is tracked.");
}
await SendCommandResponse(command, SlackFormatter.BuildBalanceMessage(balanceBook));
}
/// <summary>
/// Reopen last finished order, revert balance and notify slack.
/// </summary>
private async Task HandleReopenOrderAction(SlashCommand command)
{
var(reopenedOrder, updatedBalance) = await foodService.ReopenOrder();
await SendPublicResponse(command, "Order reopened, reverting last balance changes.");
var responseBlocks = new List <Block>();
responseBlocks.AddRange(SlackFormatter.BuildBalanceMessage(updatedBalance));
responseBlocks.AddRange(SlackFormatter.BuildOrderMessage(reopenedOrder));
await SendCommandResponse(command, responseBlocks);
}
/// <summary>
/// Add someone else as eater to currently open order and publish updated order to slack.
/// Update current entry, if already added.
/// Can be used to host external guests.
/// </summary>
private async Task HandleEatAsOtherAction(SlashCommand command)
{
try
{
// Example: ['eat', 'batman', '12.50', 'pizza']
var args = command.Text.Split(' ', StringSplitOptions.RemoveEmptyEntries).ToList();
if (args.Count < 3)
{
throw new FormatException();
}
// Eater
var eaterStr = args[1].Trim();
var eater = FoodUser.CreateFromString(eaterStr);
// Cost
args[2] = args[2].Replace(',', '.');
var cost = decimal.Parse(args[2], CultureInfo.InvariantCulture);
// Optional item description
string item = null !;
if (args.Count >= 4)
{
item = item = string.Join(' ', args.Skip(3).ToArray());
}
var updatedOrder = await foodService.AddEater(eater : eater, cost, item);
await SendCommandResponse(command, SlackFormatter.BuildOrderMessage(updatedOrder));
}
catch (FormatException)
{
await SendError(command.ResponseUrl,
new BadRequestException($"Incorrect format, expected: `/food {CommandTexts.EatAs} <who> <cost> [description]`"));
}
catch (Exception x)
{
await SendError(command.ResponseUrl, x);
}
}
/// <summary>
/// Set cost (e.g. delivery) that should be shared equally by all eaters.
/// Update current order and publish it to slack.
/// </summary>
private async Task HandleSharedCostAction(SlashCommand command)
{
try
{
// Example: ['shared', '4.99']
var args = command.Text.Split(' ', StringSplitOptions.RemoveEmptyEntries);
if (args.Length != 2)
{
throw new FormatException();
}
args[1] = args[1].Replace(',', '.');
var cost = decimal.Parse(args[1]);
var updatedOrder = await foodService.SetSharedCost(cost);
await SendCommandResponse(command, SlackFormatter.BuildOrderMessage(updatedOrder));
}
catch (FormatException)
{
await SendError(command.ResponseUrl,
new BadRequestException($"Incorrect format, expected: `/food {CommandTexts.Shared} <cost>`"));
}
}
/// <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);
}
}
/// <summary>
/// Open a new order and publish it to slack.
/// </summary>
private async Task HandleOpenOrderAction(SlashCommand command)
{
var order = await foodService.OpenNewOrder(context.Caller);
await SendCommandResponse(command, SlackFormatter.BuildOrderMessage(order));
}