public async Task InvokeAsync(HttpContext context, RequestDelegate next)
{
HttpRequest request = context.Request;
string queryName = GetQueryName(request);
if (QueryTypes.ContainsKey(queryName))
{
// GET operations get their data through the query string, while POST operations expect a JSON
// object being put in the body.
string queryData = request.Method.Equals("get", StringComparison.OrdinalIgnoreCase)
? SerializationHelpers.ConvertQueryStringToJson(request.QueryString.Value)
: request.Body.ReadToEnd();
QueryInfo info = QueryTypes[queryName];
Type handlerType = typeof(IQueryHandler <,>).MakeGenericType(info.QueryType, info.ResultType);
this.ApplyHeaders(request);
dynamic handler = this.handlerFactory.Invoke(handlerType);
try
{
dynamic query = JsonConvert.DeserializeObject(
string.IsNullOrWhiteSpace(queryData) ? "{}" : queryData,
info.QueryType,
this.jsonSettings);
object result = handler.Handle(query);
await context.WriteResultAsync(new ObjectResult(result));
}
catch (Exception exception)
{
ObjectResult response =
WebApiErrorResponseBuilder.CreateErrorResponseOrNull(exception, context);
if (response != null)
{
await context.WriteResultAsync(response);
}
else
{
throw;
}
}
}
else
{
var response = new ObjectResult(queryName)
{
StatusCode = StatusCodes.Status404NotFound
};
await context.WriteResultAsync(response);
}
}
public async Task InvokeAsync(HttpContext context, RequestDelegate next)
{
HttpRequest request = context.Request;
string commandName = GetCommandName(request);
if (request.Method == "POST" && CommandTypes.ContainsKey(commandName))
{
Type commandType = CommandTypes[commandName];
string commandData = request.Body.ReadToEnd();
Type handlerType = typeof(ICommandHandler <>).MakeGenericType(commandType);
this.ApplyHeaders(request);
dynamic handler = this.handlerFactory.Invoke(handlerType);
try
{
dynamic command = JsonConvert.DeserializeObject(
string.IsNullOrWhiteSpace(commandData) ? "{}" : commandData,
commandType,
this.jsonSettings);
handler.Handle(command);
var result = new ObjectResult(null);
await context.WriteResultAsync(result);
}
catch (Exception exception)
{
var response = WebApiErrorResponseBuilder.CreateErrorResponseOrNull(exception, context);
if (response != null)
{
await context.WriteResultAsync(response);
}
else
{
throw;
}
}
}
else
{
await context.WriteResultAsync(new NotFoundObjectResult(commandName));
}
}
public async Task InvokeAsync(HttpContext context, RequestDelegate next)
{
HttpRequest request = context.Request;
string commandName = GetCommandName(request);
if (this.commandTypes.ContainsKey(commandName))
{
Type commandType = this.commandTypes[commandName];
string commandData = request.Body.ReadToEnd();
Type handlerType = typeof(ICommandHandler <>).MakeGenericType(commandType);
this.ApplyHeaders(request);
dynamic handler = this.handlerFactory.Invoke(handlerType);
try
{
dynamic command = JsonConvert.DeserializeObject(commandData, commandType);//TODO - need to get the JSONSerializer settings object from somewhere
handler.Handle(command);
EmptyResult result = new EmptyResult();//TODO - might need to change to ObjectResult of some type see comment in HttpContextExtsions
await context.WriteResultAsync(result);
}
catch (Exception exception)
{
var response = WebApiErrorResponseBuilder.CreateErrorResponseOrNull(exception, request);
if (response != null)
{
await context.WriteResultAsync(response);
}
throw;
}
}
else
{
await context.WriteResultAsync(new NotFoundObjectResult(commandName));
}
}
