private static SolutionAnalysis AnalyzeParameterAssignment(this TwoFerSolution twoFerSolution)
{
if (!twoFerSolution.AssignsToParameter())
{
return(null);
}
if (!twoFerSolution.AssignsParameterUsingKnownExpression())
{
return(twoFerSolution.ReferToMentor());
}
if (twoFerSolution.ReturnsStringFormat())
{
return(twoFerSolution.ApproveWithComment(UseStringInterpolationNotStringFormat));
}
if (twoFerSolution.ReturnsStringConcatenation())
{
return(twoFerSolution.ApproveWithComment(UseStringInterpolationNotStringConcatenation));
}
if (!twoFerSolution.ReturnsStringInterpolation())
{
return(null);
}
if (twoFerSolution.AssignsParameterUsingNullCoalescingOperator())
{
return(twoFerSolution.ApproveWithComment(InlineVariable));
}
if (twoFerSolution.AssignsParameterUsingNullCheck() ||
twoFerSolution.AssignsParameterUsingIfNullCheck())
{
return(twoFerSolution.ApproveWithComment(UseNullCoalescingOperatorNotNullCheck));
}
if (twoFerSolution.AssignsParameterUsingIsNullOrEmptyCheck() ||
twoFerSolution.AssignsParameterUsingIfIsNullOrEmptyCheck())
{
return(twoFerSolution.ApproveWithComment(UseNullCoalescingOperatorNotIsNullOrEmptyCheck));
}
if (twoFerSolution.AssignsParameterUsingIsNullOrWhiteSpaceCheck() ||
twoFerSolution.AssignsParameterUsingIfIsNullOrWhiteSpaceCheck())
{
return(twoFerSolution.ApproveWithComment(UseNullCoalescingOperatorNotIsNullOrWhiteSpaceCheck));
}
return(null);
}