protected ActionResult <TResult> HandleQuery <TQuery, TResult>(
TQuery query)
where TQuery : IQuery <TResult>
{
var context = new QueryContext {
CorrelationId = HttpContext.GetCorrelationId()
};
using (LoggerFacade.PushToContext("CorrelationId", context.CorrelationId))
{
var queryResult = Startup.AppGateway.QueriesGateway.Handle <TQuery, TResult>(query, context);
if (queryResult.UnknownError != null)
{
Logger.LogWebError(queryResult.UnknownError, Request);
return(StatusCode(
StatusCodes.Status500InternalServerError,
ErrorContentFactory.Create(queryResult.UnknownError, context.CorrelationId)));
}
else if (queryResult.KnownError != null)
{
Logger.LogWebError(queryResult.KnownError, Request);
return(StatusCode(
StatusCodes.Status500InternalServerError,
ErrorContentFactory.Create(queryResult.KnownError, context.CorrelationId)));
}
else if (queryResult.Output.Result == null)
{
return(NotFound());
}
else
{
if (queryResult.Output.TotalCount.HasValue)
{
Response.Headers.Add("x-total-count", queryResult.Output.TotalCount.Value.ToString());
}
return(queryResult.Output.Result);
}
}
}
protected ActionResult <TResult> HandleCommand <TCommand, TResult>(
TCommand command)
where TCommand : ICommand <TResult>
{
var context = new CommandContext {
CorrelationId = HttpContext.GetCorrelationId()
};
using (LoggerFacade.PushToContext("CorrelationId", context.CorrelationId))
{
var commandResult = Startup.AppGateway.CommandsGateway.Handle <TCommand, TResult>(command, context);
if (commandResult.UnknownError != null)
{
Logger.LogWebError(commandResult.UnknownError, Request);
return(StatusCode(
StatusCodes.Status500InternalServerError,
ErrorContentFactory.Create(commandResult.UnknownError, context.CorrelationId)));
}
else if (commandResult.KnownError != null)
{
Logger.LogWebError(commandResult.KnownError, Request);
return(StatusCode(
StatusCodes.Status500InternalServerError,
ErrorContentFactory.Create(commandResult.KnownError, context.CorrelationId)));
}
else if (commandResult.ValidationErrors != null)
{
return(StatusCode(
StatusCodes.Status400BadRequest,
commandResult.ValidationErrors));
}
else
{
return(commandResult.Result);
}
}
}
public async Task Invoke(
HttpContext context)
{
try
{
await _next(context);
}
catch (Exception ex)
{
using (LoggerFacade.PushToContext("CorrelationId", context.GetCorrelationId()))
{
Logger.LogWebError(ex, context.Request);
}
var content = ErrorContentFactory.Create(ex, context.GetCorrelationId());
var contentJson = JsonConvert.SerializeObject(content);
context.Response.ContentType = "application/json";
context.Response.StatusCode = StatusCodes.Status500InternalServerError;
await context.Response.WriteAsync(contentJson);
}
}
