public ProgrammableServiceContext Build()
{
var context = new ProgrammableServiceContext();
if (_configuration.Storage == null)
{
_configuration.Storage = new DefaultProgrammableServiceStorage();
}
//NOTE: the ordering of the LOC below is extremely important since context.DataBagKey directly depends on Request.SessionId
context.Request = _request;
context.Store = _configuration.Storage;
var dataBag = new ProgrammableServiceDataBag(_configuration.Storage, context.DataBagKey);
context.DataBag = dataBag;
return(context);
}
private async Task <ProgrammableServiceResponse> OnResponse(ProgrammableServiceContext context, ProgrammableServiceControllerInfo controllerInfo)
{
while (true)
{
var exists = await context.Store.Exists(context.NextRouteKey);
if (!exists)
{
throw new Exception("Session does not exist.");
}
var routeInfoJson = await context.Store.Get(context.NextRouteKey);
var routeInfo = ProgrammableServiceRoute.FromJson(routeInfoJson);
if (controllerInfo.TheType.Name.Equals(routeInfo.FullControllerName))
{
if (!controllerInfo.Methods.ContainsKey(routeInfo.ActionName))
{
return(new ProgrammableServiceResponse
{
Message = $"Action handler \"{routeInfo.ActionName}\" on controller \"{controllerInfo.TheType.Name}\" does not exist",
Type = ProgrammableServiceActionType.Release.ToString("G"),
Label = $"Action handler \"{routeInfo.ActionName}\" on controller \"{controllerInfo.TheType.Name}\" does not exist",
DataType = ProgrammableServiceDataTypes.Display,
FieldType = ProgrammableServiceFieldTypes.Text
});
}
}
else if (!_controllerActivator.ControllerCollection.ContainsKey(routeInfo.FullControllerName))
{
return(new ProgrammableServiceResponse
{
Message = $"Could not find controller \"{routeInfo.FullControllerName}\"",
Type = ProgrammableServiceActionType.Release.ToString("G"),
Label = $"Could not find controller \"{routeInfo.FullControllerName}\"",
DataType = ProgrammableServiceDataTypes.Display,
FieldType = ProgrammableServiceFieldTypes.Text
});
}
else
{
controllerInfo = _controllerActivator.ControllerCollection[routeInfo.FullControllerName];
if (!controllerInfo.Methods.ContainsKey(routeInfo.ActionName))
{
return(new ProgrammableServiceResponse
{
Message = $"Action handler \"{routeInfo.ActionName}\" on controller \"{controllerInfo.TheType.Name}\" does not exist",
Type = ProgrammableServiceActionType.Release.ToString("G"),
Label = $"Action handler \"{routeInfo.ActionName}\" on controller \"{controllerInfo.TheType.Name}\" does not exist",
DataType = ProgrammableServiceDataTypes.Display,
FieldType = ProgrammableServiceFieldTypes.Text
});
}
}
var controller =
(ProgrammableServiceControllerBase)_serviceProvider.GetRequiredService(controllerInfo.TheType);
controller.Request = context.Request;
controller.DataBag = context.DataBag;
controller.Data = new Dictionary <string, string>();
controller.FormData = await controller.GetFormData();
var methodInfo = controllerInfo.Methods[routeInfo.ActionName].Method;
object[] args = { };
var sessionResumeKey = $"_sessionResume.{context.Request.Mobile}";
ProgrammableServiceResponse response;
if (context.Request.GetActionType() == ProgrammableServiceActionType.Initiation)
{
if (_configuration.EnableResumeSession)
{
//check if previous session exists
var sessionResumeValStr = await context.Store.Get(sessionResumeKey);
var sessionResumeList =
JsonConvert.DeserializeObject <List <ResumeSessionInfo> >(sessionResumeValStr);
if (await context.Store.Exists(sessionResumeKey) && string.Equals(controllerInfo.TheType.Name, sessionResumeList.LastOrDefault()?.ControllerName))
{
//if the previous last entry is an initiation session...then just continue....
if (sessionResumeList.LastOrDefault().UserRequest.GetActionType() == ProgrammableServiceActionType.Initiation)
{
response = await(Task <ProgrammableServiceResponse>) methodInfo.Invoke(controller, args);
}
else
{
var previousSessionId = sessionResumeList.FirstOrDefault().UserRequest.SessionId;
var keys = await context.Store.GetKeys();
var keysWithPreviousSessionId = keys.Where(k => k.StartsWith(previousSessionId)).ToList();
//copy everything from the previous session to the new session
foreach (var key in keysWithPreviousSessionId)
{
var previousValue = await context.Store.Get(key);
await
context.Store.Set(key.Replace(previousSessionId, context.Request.SessionId),
previousValue);
}
controller.FormData = await controller.GetFormData(); //important step, if not, FormData is always NULL
var sessionResumeMethod = controllerInfo.Methods.Values.FirstOrDefault(m => m.IsSessionResumeMethod);
if (sessionResumeMethod == null)
{
throw new Exception($"no method found that has HandleResumeSession attribute");
}
await context.Store.Delete(sessionResumeKey); //so we don't have chaff data for this user
response = await(Task <ProgrammableServiceResponse>) sessionResumeMethod.Method.Invoke(controller, new [] { sessionResumeList });
}
}
else
{
//just call the initiation handler...
response = await(Task <ProgrammableServiceResponse>) methodInfo.Invoke(controller, args);
}
}
else
{
response = await(Task <ProgrammableServiceResponse>) methodInfo.Invoke(controller, args);
}
}
else
{
response = await(Task <ProgrammableServiceResponse>) methodInfo.Invoke(controller, args);
}
if (!response.IsRelease)
{
if (!response.IsRedirect)
{
if (_configuration.EnableResumeSession)
{
List <ResumeSessionInfo> sessionResumeList;
if (await context.Store.Exists(sessionResumeKey))
{
var sessionResumeValStr = await context.Store.Get(sessionResumeKey);
sessionResumeList =
JsonConvert.DeserializeObject <List <ResumeSessionInfo> >(sessionResumeValStr);
sessionResumeList.Add(new ResumeSessionInfo
{
UserRequest = context.Request,
ServiceResponse = response,
MethodName = methodInfo.Name,
ControllerName = controllerInfo.TheType.Name
});
}
else
{
sessionResumeList = new List <ResumeSessionInfo> {
new ResumeSessionInfo
{
UserRequest = context.Request,
ServiceResponse = response,
MethodName = methodInfo.Name,
ControllerName = controllerInfo.TheType.Name
}
};
}
await context.Store.Set(sessionResumeKey, JsonConvert.SerializeObject(sessionResumeList));
}
}
await context.Store.Set(context.NextRouteKey, response.NextRoute);
}
else
{
if (_configuration.EnableResumeSession)
{
await context.Store.Delete(sessionResumeKey);
}
}
if (response.IsRedirect)
{
continue;
}
return(response);
}
}
private async Task <ProgrammableServiceResponse> OnResponse(ProgrammableServiceContext context, ProgrammableServiceControllerInfo controllerInfo)
{
while (true)
{
var exists = await context.Store.Exists(context.NextRouteKey);
if (!exists)
{
throw new Exception("Session does not exist.");
}
var routeInfoJson = await context.Store.Get(context.NextRouteKey);
var routeInfo = ProgrammableServiceRoute.FromJson(routeInfoJson);
if (controllerInfo.TheType.Name.Equals(routeInfo.FullControllerName))
{
if (!controllerInfo.Methods.ContainsKey(routeInfo.ActionName))
{
return(new ProgrammableServiceResponse
{
Message = $"Action handler \"{routeInfo.ActionName}\" on controller \"{controllerInfo.TheType.Name}\" does not exist",
Type = ProgrammableServiceActionType.Release.ToString("G"),
Label = $"Action handler \"{routeInfo.ActionName}\" on controller \"{controllerInfo.TheType.Name}\" does not exist",
DataType = ProgrammableServiceDataTypes.Display,
FieldType = ProgrammableServiceFieldTypes.Text
});
}
}
else if (!_controllerActivator.ControllerCollection.ContainsKey(routeInfo.FullControllerName))
{
return(new ProgrammableServiceResponse
{
Message = $"Could not find controller \"{routeInfo.FullControllerName}\"",
Type = ProgrammableServiceActionType.Release.ToString("G"),
Label = $"Could not find controller \"{routeInfo.FullControllerName}\"",
DataType = ProgrammableServiceDataTypes.Display,
FieldType = ProgrammableServiceFieldTypes.Text
});
}
else
{
controllerInfo = _controllerActivator.ControllerCollection[routeInfo.FullControllerName];
if (!controllerInfo.Methods.ContainsKey(routeInfo.ActionName))
{
return(new ProgrammableServiceResponse
{
Message = $"Action handler \"{routeInfo.ActionName}\" on controller \"{controllerInfo.TheType.Name}\" does not exist",
Type = ProgrammableServiceActionType.Release.ToString("G"),
Label = $"Action handler \"{routeInfo.ActionName}\" on controller \"{controllerInfo.TheType.Name}\" does not exist",
DataType = ProgrammableServiceDataTypes.Display,
FieldType = ProgrammableServiceFieldTypes.Text
});
}
}
var controller =
(ProgrammableServiceControllerBase)_serviceProvider.GetRequiredService(controllerInfo.TheType);
controller.Request = context.Request;
controller.DataBag = context.DataBag;
controller.Data = new Dictionary <string, string>();
controller.FormData = await controller.GetFormData();
var methodInfo = controllerInfo.Methods[routeInfo.ActionName].Method;
object[] args = { };
var response = await(Task <ProgrammableServiceResponse>) methodInfo.Invoke(controller, args);
if (!response.IsRelease)
{
await context.Store.Set(context.NextRouteKey, response.NextRoute);
}
if (response.IsRedirect)
{
continue;
}
return(response);
}
}