/// <summary>
/// Validation, which depends on data retrieved from the database.
/// </summary>
/// <param name="request">The request.</param>
/// <returns></returns>
private async Task <CreateUpdateProtocolStatus> PerformValidationStep2(CreateProtocolRequestDto request)
{
// Validating that ElementIds provided in the request correspond to existing Elements in the database
var elementIds =
request
.ProtocolElements
.Select(pe => pe.ElementId)
.Distinct()
.ToList();
var existingElements = await protocolService.GetElementsByIds(elementIds);
if (existingElements.Count != elementIds.Count)
{
return(CreateUpdateProtocolStatus.OneOfElementIdsInvalid);
}
// Validating that ProtocolElement associated with particular Element have conditions with appropriate Operand based on ElementType
foreach (var protocolElement in request.ProtocolElements)
{
var alertConditions = protocolElement.Alerts != null && protocolElement.Alerts.Any()
? protocolElement.Alerts.SelectMany(b => b.Conditions).ToList()
: new List <ConditionDto>();
var branchConditions = protocolElement.Branches != null && protocolElement.Branches.Any()
? protocolElement.Branches.SelectMany(b => b.Conditions).ToList()
: new List <ConditionDto>();
var conditions = alertConditions.Concat(branchConditions).ToList();
if (conditions.Any())
{
var associatedElement = existingElements.SingleOrDefault(e => e.Id == protocolElement.ElementId);
if (associatedElement != null)
{
if (associatedElement is QuestionElement)
{
var questionElement = (QuestionElement)associatedElement;
if (questionElement.AnswerSet is SelectionAnswerSet)
{
Guid tempGuid;
var selectionAnswerSet = questionElement.AnswerSet as SelectionAnswerSet;
if (conditions.Any(c => c.Operand != OperandType.SelectionAnswerChoice ||
!Guid.TryParse(c.Value, out tempGuid) ||
!selectionAnswerSet.SelectionAnswerChoices.Select(ac => ac.Id).Contains(Guid.Parse(c.Value)))
)
{
return(CreateUpdateProtocolStatus.OneOfBranchesOrAlertsInproperlyFilledIn);
}
}
if (questionElement.AnswerSet is ScaleAnswerSet)
{
if (conditions.Any(c => c.Operand != OperandType.ScaleAnswerSet))
{
return(CreateUpdateProtocolStatus.OneOfBranchesOrAlertsInproperlyFilledIn);
}
}
}
if (associatedElement is MeasurementElement)
{
if (conditions.Any(c => c.Operand == OperandType.SelectionAnswerChoice || c.Operand == OperandType.ScaleAnswerSet))
{
return(CreateUpdateProtocolStatus.OneOfBranchesOrAlertsInproperlyFilledIn);
}
}
if (associatedElement is TextMediaElement)
{
return(CreateUpdateProtocolStatus.OneOfBranchesOrAlertsInproperlyFilledIn);
}
}
}
}
return(CreateUpdateProtocolStatus.Success);
}
