//[orand]* \w* *is *\"([^\"]*)\"
//https://regex101.com/
//[orand]* \w* *[is not]* *\"([^\"]*)\"
//34534 34534 345645654A is "test" or 345645654A is"best" and terter is "fdkjghfd" or sfsd is not "rtre"
//34534 34534 345645654A is not "test" and 345645654A is"best" and terter is "fdkjghfd" or sfsd is not "rtre"
public static Expressions GetExpressionsForrPresentation(List <Question> listOfQuestions, string line)
{
try
{
//In the spreadhseet the response if enclosed in double quotes
string regex = "(?'operator' or| and)? (?'question'\\w*) *(?'comparer'is|not|is not)? *\"(?'response'[^\"]*)\"";
var clauses = from Match match in Regex.Matches(line, regex)
select match;
var expressions = clauses.Select(s =>
{
string op = s.Groups["operator"].Success ? s.Groups["operator"].Value.Trim() : "and";
string questionId = s.Groups["question"].Success ? s.Groups["question"].Value.Trim() : "none";
string response = s.Groups["response"].Success ? s.Groups["response"].Value.Trim() : "none";
string comparer = s.Groups["comparer"].Success ? s.Groups["comparer"].Value.Trim() : "none";
var q = GetQuestionFromTreeByRef(listOfQuestions, questionId);
var expression = new Expression()
{
Operator = op,
QuestionId = q.Id,
QuestionRef = q.Ref,
ValueToCompareWith = response,
Positive = Fuzzy.AreSimilar(comparer, "is"),
};
return(expression);
});
return(new Expressions(expressions));
}
catch (InvalidOperationException ex)
{
throw new InvalidOperationException(ex.Message + Environment.NewLine + "expression text: " + line);
}
}
public bool Evaluate()
{
if (_GroupedExpression == null || _GroupedExpression.FirstOrDefault() == null)
{
return(true);
}
bool groupResult = true;
foreach (var list in _GroupedExpression)
{
bool expResult = false;
foreach (var exp in list)
{
//These are all 'or' so return as soon as one
if (exp.Positive)
{
if (Fuzzy.AreSimilar(GetUserResponse(exp.QuestionId).Display, exp.ValueToCompareWith))
{
expResult = true;
continue;
}
else
{
break;
}
}
else
{
if (!Fuzzy.AreSimilar(GetUserResponse(exp.QuestionId).Display, exp.ValueToCompareWith))
{
expResult = true;
continue;
}
else
{
break;
}
}
}
groupResult = groupResult && expResult;
if (groupResult == false)
{
break;
}
}
return(groupResult);
}
