private static Task WriteCustomOutputAsync(ApiErrorOutput errorOutput, HttpContext context)
{
var stringResult = JsonConvert.SerializeObject(errorOutput, new JsonSerializerSettings
{
ContractResolver = new CamelCasePropertyNamesContractResolver(),
Formatting = Formatting.Indented,
NullValueHandling = NullValueHandling.Ignore,
ReferenceLoopHandling = ReferenceLoopHandling.Ignore
});
context.Response.ContentType = "application/json";
context.Response.StatusCode = errorOutput?.Status ?? 500;
return(context.Response.WriteAsync(stringResult));
}
private static Task HandleExceptionAsync(DbUpdateException ex, HttpContext context, bool isDevelopment = false)
{
var errorOutput = new ApiErrorOutput
{
Title = "Database violation error.",
Status = (int)HttpStatusCode.Conflict
};
const string dbProductionMessage =
"Some constraints were violated. Please contact system's administrators.";
var messages = new[] { isDevelopment?ex.Message : dbProductionMessage };
errorOutput.AddErrorEntry("Database", messages);
return(WriteCustomOutputAsync(errorOutput, context));
}
private static Task HandleExceptionAsync(Exception ex, HttpContext context, bool isDevelopment = false)
{
var errorOutput = new ApiErrorOutput
{
Title = "Unexpected Execution error.",
Status = (int)HttpStatusCode.InternalServerError
};
const string executionProductionMessage =
"Sorry! A failure occurred during request. Please contact system's administrators.";
var messages = isDevelopment
? ExtractExceptionMessages(ex).ToArray()
: new[] { executionProductionMessage };
errorOutput.AddErrorEntry("Execution", messages);
return(WriteCustomOutputAsync(errorOutput, context));
}
