public JsonResult ParamUpdate(ParamOperation parmOperation)
{
ChatParameter param = parmOperation.param;
string operation = parmOperation.Operation;
ChatParameter finalParam = new ChatParameter();
bool changed = false;
param.UpdatedDate = DateTime.UtcNow;
try
{
if (operation == "a")
{
finalParam.ParameterName = param.ParameterName;
finalParam.ParameterValue = param.ParameterValue;
finalParam.UpdatedDate = DateTime.Now;
db.ChatParameter.Add(finalParam);
}
else if (operation == "u")
{
finalParam = db.ChatParameter.Where(x => x.ParameterId == param.ParameterId).FirstOrDefault();
finalParam.ParameterName = param.ParameterName;
finalParam.ParameterValue = param.ParameterValue;
finalParam.UpdatedDate = DateTime.Now;
}
else
{
finalParam = db.ChatParameter.Where(x => x.ParameterId == param.ParameterId).FirstOrDefault();
db.ChatParameter.Attach(finalParam);
db.ChatParameter.Remove(finalParam);
}
changed = true;
db.SaveChanges();
return(Json(changed, JsonRequestBehavior.AllowGet));
}
catch (Exception e)
{
Console.WriteLine(e.Message);
return(Json(changed, JsonRequestBehavior.AllowGet));
}
}
private Object _evaluate(Object aContext, Expression aExpression)
{
if (aExpression is ConditionalExpression)
{
ConditionalExpression vExp = aExpression as ConditionalExpression;
Object vConditionResult = _evaluate(aContext, vExp.Expression);
if (vConditionResult is Boolean)
{
if ((Boolean)vConditionResult)
{
return(_evaluate(aContext, vExp.If));
}
else
{
return(_evaluate(aContext, vExp.Else));
}
}
else
{
throw new Exception("Result for the condition has to be Boolean. Now it's " + vConditionResult.GetType());
}
}
else if (aExpression is MemberExpression)
{
Object vResult = null;
string vMember = (aExpression as MemberExpression).Member;
bool vIsInvertedBoolean = false;
if (vMember[0] == '!')
{
vIsInvertedBoolean = true;
vMember = vMember.Substring(1);
}
if (char.IsUpper(vMember[0]))
{
int vAllInstancesIndex = vMember.ToLower().IndexOf("_allinstances");
if (vAllInstancesIndex > -1)
{
string vClassName = vMember.Substring(0, vAllInstancesIndex);
vResult = new List <Object>();
foreach (FMObject O in objectSpace.AllObjects)
{
if (O.FMClass == vClassName)
{
(vResult as List <Object>).Add(O);
}
}
}
}
else if (aContext is List <Object> )
{
vResult = new List <Object>();
foreach (FMObject O in aContext as List <Object> )
{
(vResult as List <Object>).Add(GetMemberOrConst((aExpression as MemberExpression).Member, O));
}
}
else if (aContext is FMObject)
{
vResult = (GetMemberOrConst((aExpression as MemberExpression).Member, aContext as FMObject));
}
else
{
vResult = (GetMemberOrConst((aExpression as MemberExpression).Member, null));
}
if ((aExpression as MemberExpression).Next != null)
{
vResult = _evaluate(vResult, (aExpression as MemberExpression).Next);
}
if (vIsInvertedBoolean && vResult is Boolean)
{
vResult = !(Boolean)vResult;
}
return(vResult);
}
else if (aExpression.GetType() == typeof(NamedOperationalExpression)) // ParamOperationExpression is derived from NamedOperationalExpression, therefore exact typematch is needed
{
Object vResult = null;
string vOperation = (aExpression as NamedOperationalExpression).Operation;
NamedOperation vOperationDelegate = Operations[vOperation.ToLower()] as NamedOperation;
vResult = vOperationDelegate.Invoke(aContext);
if ((aExpression as NamedOperationalExpression).Next != null)
{
vResult = _evaluate(vResult, (aExpression as NamedOperationalExpression).Next);
}
return(vResult);
}
else if (aExpression is ParamOperationExpression)
{
Object vResult = null;
Object vParameterResult = null;
string vOperation = (aExpression as ParamOperationExpression).Operation;
ParamOperation vOperationDelegate = Operations[vOperation] as ParamOperation;
if (aContext is List <Object> )
{
vParameterResult = new List <Object>();
foreach (FMObject O in aContext as List <Object> )
{
Object vOParameterResult = _evaluate(O, (aExpression as ParamOperationExpression).Parameter);
(vParameterResult as List <Object>).Add(vOParameterResult);
}
}
else
{
vParameterResult = _evaluate(aContext, (aExpression as ParamOperationExpression).Parameter);
}
vResult = vOperationDelegate.Invoke(aContext, vParameterResult);
if ((aExpression as ParamOperationExpression).Next != null)
{
vResult = _evaluate(vResult, (aExpression as ParamOperationExpression).Next);
}
return(vResult);
}
else if (aExpression is OperatorOperationalExpression)
{
Object vResult = null;
OperatorOperationalExpression vOperatOperExp = (aExpression as OperatorOperationalExpression);
List <object> vObjectList = new List <object>();
foreach (Expression E in vOperatOperExp.Expressions)
{
vObjectList.Add(_evaluate(aContext, E));
}
for (int I = 0; I < vObjectList.Count; I++)
{
if (vObjectList[0] is Int32)
{
if (I == 0)
{
vResult = vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == "+")
{
vResult = (Int32)vResult + (Int32)vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == "-")
{
vResult = (Int32)vResult - (Int32)vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == "*")
{
vResult = (Int32)vResult * (Int32)vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == "/")
{
vResult = (Int32)vResult / (Int32)vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == ">")
{
vResult = (Int32)vResult > (Int32)vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == "<")
{
vResult = (Int32)vResult < (Int32)vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == "=")
{
vResult = (Int32)vResult == (Int32)vObjectList[I];
}
}
else if (vObjectList[0] is Decimal)
{
if (I == 0)
{
vResult = vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == "+")
{
vResult = (Decimal)vResult + (Decimal)vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == "-")
{
vResult = (Decimal)vResult - (Decimal)vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == "*")
{
vResult = (Decimal)vResult * (Decimal)vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == "/")
{
vResult = (Decimal)vResult / (Decimal)vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == ">")
{
vResult = (Decimal)vResult > (Decimal)vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == "<")
{
vResult = (Decimal)vResult < (Decimal)vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == "=")
{
vResult = (Decimal)vResult == (Decimal)vObjectList[I];
}
}
else if (vObjectList[0] is String)
{
if (I == 0)
{
vResult = vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == "+")
{
vResult = (String)vResult + (String)vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == "=")
{
vResult = (String)vResult == (String)vObjectList[I];
}
}
else if (vObjectList[0] is DateTime)
{
if (I == 0)
{
vResult = vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == ">")
{
vResult = (DateTime)vResult > (DateTime)vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == "<")
{
vResult = (DateTime)vResult < (DateTime)vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == "=")
{
vResult = (DateTime)vResult == (DateTime)vObjectList[I];
}
}
else if (vObjectList[0] is Boolean)
{
if (I == 0)
{
vResult = vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == "&")
{
vResult = (Boolean)vResult && (Boolean)vObjectList[I];
}
else if (vOperatOperExp.Operators[I - 1] == "|")
{
vResult = (Boolean)vResult || (Boolean)vObjectList[I];
}
}
}
if ((aExpression as OperatorOperationalExpression).Next != null)
{
vResult = _evaluate(vResult, (aExpression as ParamOperationExpression).Next);
}
return(vResult);
}
return(null);
}