private async Task WriteExceptionResult(HttpContext context, Exception ex)
{
context.Response.StatusCode = GetStatusCode(ex);
var error = new ErrorTypeViewModel()
{
Message = ex.Message,
ErrorType = GetErrorType(ex)
};
using (var writer = new StreamWriter(context.Response.Body))
{
var result = JsonConvert.SerializeObject(error, _serializationOptions.Value.SerializerSettings);
await writer.WriteAsync(result);
await writer.FlushAsync();
}
}
public IViewComponentResult Invoke()
{
/////////////////////////////////////////////////////////////////////////////////////////////
// The HttpContext.Items collection is used to store data while processing a single request.
// The collection's contents are discarded after a request is processed.
/////////////////////////////////////////////////////////////////////////////////////////////
string[] selectedErrorTypeIdStrings = (string[])HttpContext.Items[CorrectiveActionsConstants.SELECTED_ERROR_TYPES_KEY];
if (selectedErrorTypeIdStrings == null)
{
selectedErrorTypeIdStrings = new string[0];
}
//////////////////////////////////////////////////////////////////////////////////////////////
// Convert the passed-in string array of ids to an integer array of ids
//////////////////////////////////////////////////////////////////////////////////////////////
int[] selectedErrorTypeIds = Array.ConvertAll(selectedErrorTypeIdStrings, int.Parse);
var selectedErrorTypeIdSet = new HashSet <int>(selectedErrorTypeIds);
//////////////////////////////////////////////////////////////////////////////////////////////
// Retreive all error types
//////////////////////////////////////////////////////////////////////////////////////////////
List <ErrorType> dbErrorTypes = new ReferenceService().RetrieveErrorTypes().ToList();
//////////////////////////////////////////////////////////////////////////////////////////////
// Create a View Model for each ErrorType amd place each in a View Model collection
// If the IDs in both the ErrorType collection and array of IDs match,
// assign the value of TRUE to the 'Selected' property.
//////////////////////////////////////////////////////////////////////////////////////////////
int[] errorTypeSortingIndices = new int[dbErrorTypes.Count];
int count = 0;
for (int column = 0; column < CorrectiveActionsConstants.NUMBER_OF_ERROR_TYPE_COLUMNS; column++)
{
for (int row = column; row < dbErrorTypes.Count; row += CorrectiveActionsConstants.NUMBER_OF_ERROR_TYPE_COLUMNS)
{
errorTypeSortingIndices[count++] = row;
}
}
ErrorTypeViewModel[] vmErrorTypes = new ErrorTypeViewModel[dbErrorTypes.Count];
int index = 0;
foreach (ErrorType dbErrorType in dbErrorTypes)
{
ErrorTypeViewModel vmErrorType = new ErrorTypeViewModel
{
Id = (int)dbErrorType.Id,
Description = dbErrorType.Description,
Selected = selectedErrorTypeIdSet.Contains((int)dbErrorType.Id)
};
vmErrorTypes[errorTypeSortingIndices[index++]] = vmErrorType;
}
ViewBag.ErrorTypes = new List <ErrorTypeViewModel>(vmErrorTypes);
//////////////////////////////////////////////////////////////////////////////////////////////
// Set SELECTED_ERROR_TYPES back to null
//////////////////////////////////////////////////////////////////////////////////////////////
HttpContext.Items[CorrectiveActionsConstants.SELECTED_ERROR_TYPES_KEY] = null;
return(View());
}
