public bool CheckSvfWindow(CreateFormFact fact, string culture, bool negate, out string explanation)
{
if (fact == null)
{
throw new ArgumentNullException("fact");
}
if (culture == null)
{
throw new ArgumentNullException("culture");
}
bool result = false;
var now = DateTimeOffset.UtcNow;
var min = fact.SvfDate.AddDays((-1) * SvfWindowDays);
var max = fact.SvfDate.AddDays(SvfWindowDays);
if (now >= min && now <= max)
{
result = true;
}
result = false;
if (result)
{
explanation = String.Format(SVF_WINDOW_TRUE_MESSAGE_FORMAT, SvfWindowDays, now);
}
else
{
explanation = String.Format(SVF_WINDOW_FALSE_MESSAGE_FORMAT, SvfWindowDays, now);
}
return(negate ? !result : result);
}
public static CreateFormFact ToFact(this CreateFormQuestion question)
{
if (String.IsNullOrWhiteSpace(question.Form))
{
throw new ArgumentException("question.Form was null or whitespace", "question");
}
CreateFormFact fact = new CreateFormFact();
fact.Form = question.Form.Trim();
fact.AnniversaryDate = question.AnniversaryDate;
fact.SvfDate = question.SvfDate;
if (question.MostRecentForms == null || question.MostRecentForms.Count == 0)
{
return(fact);
}
question.MostRecentForms.ForEach(x =>
{
if (String.IsNullOrWhiteSpace(x.Form))
{
throw new ArgumentException("FormStatus.Form was null or whitespace", "question");
}
if (String.IsNullOrWhiteSpace(x.Status))
{
throw new ArgumentException("FormStatus.Status was null or whitespace", "question");
}
string form = x.Form.Trim();
string status = x.Status.Trim();
if (form.Equals(Form.INITIAL_ENROLLMENT, StringComparison.OrdinalIgnoreCase))
{
fact.InitialEnrollmentStatus = ValidateAndTransformAdapApplicationStatus(status);
}
else if (form.Equals(Form.REENROLLMENT, StringComparison.OrdinalIgnoreCase))
{
fact.ReenrollmentStatus = ValidateAndTransformAdapApplicationStatus(status);
}
else if (form.Equals(Form.SVF_WITH_CHANGES, StringComparison.OrdinalIgnoreCase))
{
fact.SvfWithChangesStatus = ValidateAndTransformAdapApplicationStatus(status);
}
else if (form.Equals(Form.SVF_NO_CHANGES, StringComparison.OrdinalIgnoreCase))
{
fact.SvfNoChangesStatus = ValidateAndTransformSvfNoChangesStatus(status);
}
else if (form.Equals(Form.UPDATE_FORM, StringComparison.OrdinalIgnoreCase))
{
fact.UpdateFormStatus = ValidateAndTransformAdapApplicationStatus(status);
}
else
{
throw new Exception(String.Format("Don't know how to handle form {0}", form));
}
});
return(fact);
}
public CreateFormAnswer CanCreateForm(CreateFormQuestion question)
{
if (question == null)
{
throw new ArgumentNullException("question");
}
CreateFormAnswer answer = new CreateFormAnswer();
try
{
CreateFormFact fact = question.ToFact();
var rules = mDecisionTable.Rows
.Where(x => x.Form == fact.Form &&
x.InitialEnrollmentStatus == fact.InitialEnrollmentStatus &&
x.ReenrollmentStatus == fact.ReenrollmentStatus &&
x.SvfWithChangesStatus == fact.SvfWithChangesStatus &&
x.SvfNoChangesStatus == fact.SvfNoChangesStatus &&
x.UpdateFormStatus == fact.UpdateFormStatus)
.ToList();
if (rules.Count == 0)
{
answer.Error = true;
answer.ErrorMessage = String.Format("Your question did not match any rules in the decision table. "
+ "Question was converted to the following fact. {0}", JsonConvert.SerializeObject(fact));
}
if (rules.Count > 1)
{
answer.Error = true;
StringBuilder sb = new StringBuilder();
sb.AppendLine("Your question matched more than 1 rule in the decision table.");
sb.AppendLine(String.Format("Question was converted to the following fact. {0}", JsonConvert.SerializeObject(fact)));
sb.AppendLine("The following rules matched the fact:");
foreach (var _rule in rules)
{
sb.AppendLine(JsonConvert.SerializeObject(_rule));
}
}
CreateFormDecisionRow rule = rules[0];
if (rule.CheckReenrollmentWindow.Value == FunctionColumn.NO && rule.CheckSvfWindow.Value == FunctionColumn.NO)
{
if (!rule.CanCreate.HasValue)
{
throw new Exception(String.Format("Rule.CanCreate does not have a value specified. {0}", JsonConvert.SerializeObject(rule)));
}
answer.CanCreate = rule.CanCreate.Value;
answer.Explanation = rule.Explanation;
}
else
{
bool checkReenrollmentWindowResult = false;
string checkReenrollmentWindowExplanation = null;
string checkReenrollmentWindow = rule.CheckReenrollmentWindow.Value;
if (checkReenrollmentWindow == FunctionColumn.YES || checkReenrollmentWindow == FunctionColumn.NEGATE)
{
checkReenrollmentWindowResult = mDecisionTable.CheckAnniversaryWindow(fact, question.Culture,
checkReenrollmentWindow == FunctionColumn.NEGATE, out checkReenrollmentWindowExplanation);
}
bool checkSvfWindowResult = false;
string checkSvfWindowExplantion = "";
string checkSvfWindow = rule.CheckSvfWindow.Value;
if (checkSvfWindow == FunctionColumn.YES || checkSvfWindow == FunctionColumn.NEGATE)
{
checkSvfWindowResult = mDecisionTable.CheckAnniversaryWindow(fact, question.Culture,
checkSvfWindow == FunctionColumn.NEGATE, out checkSvfWindowExplantion);
}
answer.CanCreate = checkReenrollmentWindowResult && checkSvfWindowResult;
StringBuilder sb = new StringBuilder();
if (!String.IsNullOrWhiteSpace(checkReenrollmentWindowExplanation))
{
sb.Append(checkReenrollmentWindowExplanation);
}
if (!String.IsNullOrWhiteSpace(checkSvfWindowExplantion))
{
if (!String.IsNullOrWhiteSpace(checkReenrollmentWindowExplanation))
{
sb.Append(" ");
}
sb.Append(checkSvfWindowExplantion);
}
answer.Explanation = sb.ToString();
}
}
catch (Exception ex)
{
string errorMessage = String.Format("An error occurred while evaluating the question. {0}", ex.ToStringVerbose());
mLogger.LogError(errorMessage);
answer.Error = true;
answer.ErrorMessage = errorMessage;
}
return(answer);
}
