public async Task <(bool isValid, IDictionary <string, string> errors)> ValidateQuestionPage(FormType formType, string formKey, InFlightPage inFlightPage)
{
var form = await _formRepository.GetForm(formKey);
var node = form.Nodes.FindByKey(new Key(inFlightPage.NodeId));
var questions = node.Value switch
{
TaskQuestionPageFormNode questionPageFormNode => ((TaskQuestionPage)_staticFormProvider.GetPage(
formType, StaticKey.ForTaskQuestionPage(questionPageFormNode.TaskId, questionPageFormNode.PageId))).Questions,
PostTaskFormNode postTaskFormNode => ((ConsentPage)_staticFormProvider.GetPage(
formType, StaticKey.ForPostTaskPage(postTaskFormNode.TaskId))).Questions,
_ => throw new UnexpectedNodeTypeException <TaskQuestionPageFormNode, PostTaskFormNode>(node.Value)
};
var errors = new Dictionary <string, string>();
foreach (var question in questions)
{
var answer = inFlightPage.Questions[questions.IndexOf(question)];
var result = question.Validator?.Validate(answer);
if (result is null || result.IsValid)
{
continue;
}
errors.Add(question.Id, result.Errors.First().ErrorMessage);
}
return(isValid : !errors.Any(), errors : errors);
}
public static bool IsTaskQuestionPageNode(this GraphNode <Key, FormNode> node, out TaskQuestionPageFormNode value)
{
value = null;
if (!GraphNodePredicates.IsTaskQuestionPageNode(node))
{
return(false);
}
value = (TaskQuestionPageFormNode)node.Value;
return(true);
}
