/// <summary>
/// Prepares the response for creating an item for cart (i.e. pending payment)
/// </summary>
/// <param name="message">For USSD channels, this message is displayed to the user before the payment flow kicks in</param>
/// <param name="cartData">Must be valid and not null</param>
/// <returns></returns>
public ProgrammableServiceResponse AddToCart(string message, ProgrammableServicesResponseCartData cartData)
{
if (cartData == null)
{
throw new ArgumentNullException(nameof(cartData));
}
return(ProgrammableServiceResponse.AddToCartForCheckout(message, cartData, Request.IsUssd()));
}
public void HandleRequest(IApplicationBuilder app)
{
app.Run(async context =>
{
//read payload, convert to request object
//grab response from _programmableService instance, convert to JSON and send back
var requestString = await context.Request.ReadRequestStreamAsStringAsync();
ProgrammableServiceRequest request = null;
ProgrammableServiceResponse response;
try
{
request = JsonConvert.DeserializeObject <ProgrammableServiceRequest>(requestString);
}
catch (Exception e)
{
// we don't know what happened oooo
}
if (request == null)
{
context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
response = new ProgrammableServiceResponse
{
Message = "Something bad happened",
Type = ProgrammableServiceActionType.Release.ToString("G"),
Label = "Something bad happened"
};
}
else
{
context.Response.StatusCode = (int)HttpStatusCode.OK;
response = await _programmableService.ExecuteInteraction(request, _controller, _action);
}
var responseJson = JsonConvert.SerializeObject(response, new JsonSerializerSettings
{
ContractResolver = new CamelCasePropertyNamesContractResolver(),
Formatting = Formatting.Indented
});
context.Response.ContentLength = responseJson.Length;
context.Response.ContentType = "application/json";
await context.Response.WriteAsync(responseJson, Encoding.UTF8);
});
}
/// <summary>
/// Render <paramref name="message"/>
/// </summary>
/// <param name="message">Mainly for USSD screens</param>
/// <param name="action">The next action to be invoked</param>
/// <param name="controller">The controller which hosts the next action</param>
/// <param name="label">To be displayed on rich clients</param>
/// <param name="dataType">Must be valid and not null</param>
/// <param name="dataItems">List of choices to be presented to the user</param>
/// <param name="cartData">Must be valid and not null</param>
/// <param name="fieldType"></param>
/// <returns></returns>
public ProgrammableServiceResponse Render(string message, List <ProgrammableServicesResponseData> dataItems = null, ProgrammableServicesResponseCartData cartData = null, string label = null, string dataType = null, string fieldType = "text", string fieldName = "", bool persistAsFavoriteStep = false, string action = null,
string controller = null)
{
if (message == null)
{
message = string.Empty;
}
string route = null;
if (action != null)
{
route = Route(action, controller);
}
return(ProgrammableServiceResponse.Render(message, dataItems, cartData, label, dataType, fieldType, fieldName, persistAsFavoriteStep, route));
}
/// <summary>
/// Redirect to specified <paramref name="controller"/>'s <paramref name="action"/>.
/// If <paramref name="controller"/> is not specified this controller is used.
/// </summary>
/// <param name="action"></param>
/// <param name="controller"></param>
/// <returns></returns>
public ProgrammableServiceResponse Redirect(string action, string controller = null)
{
return(ProgrammableServiceResponse.Redirect(Route(action, controller)));
}