public string this[string columnName]
{
get
{
var field = (FieldNames)Enum.Parse(typeof(FieldNames), columnName);
switch (field)
{
case FieldNames.Inventory:
if (Inventory < 0)
{
return("Inventory can not be less than zero");
}
break;
case FieldNames.ModelName:
if (ModelName.Contains("XXX"))
{
return("Our Store does not support adult content.");
}
break;
case FieldNames.Price:
if (Price < 0)
{
return("Price can not be less than zero");
}
break;
case FieldNames.SalePrice:
if (Inventory > 50 && SalePrice > (Price * .9M))
{
return(ModelName + " must be marked down due to stock quantity greater than 50");
}
if (Inventory < 50 && SalePrice != Price)
{
return(ModelName + " must not be marked down if the quantity is less than 50");
}
break;
default:
break;
}
return(string.Empty);
}
}
void CheckForErrors(ref string errorInfo, string propertyName)
{
switch (propertyName)
{
case "ModelNumber":
if (ModelNumber != null && ModelNumber.Contains("XXX"))
{
errorInfo = "ModelName can not contain adult content!";
}
break;
case "ModelName":
if (ModelName == null)
{
errorInfo = "Can't be null";
}
else if (ModelName != null && ModelName.Contains("XXX"))
{
errorInfo = "ModelName can not contain adult content!";
}
break;
case "UnitCost":
if (UnitCost < 0)
{
errorInfo = "Unit Cost can not be negative";
}
break;
case "Description":
if (Description != null && Description.Contains("XXX"))
{
errorInfo = "Description can not contain adult content!";
}
break;
case "UnitsInStock":
if (UnitsInStock < 0)
{
errorInfo = "Stock count can not be negative!";
}
break;
}
}
public override string this[string columnName]
{
get
{
switch (columnName)
{
case nameof(Inventory):
ClearErrors(columnName);
CheckSalePrice(columnName);
if (Inventory < 0)
{
AddError("Inventory can not be less than zero", columnName);
}
CheckSalePrice(nameof(SalePrice));
break;
case nameof(ModelName):
if (ModelName.Contains("XXX"))
{
var errors = new List <string>()
{
"Our Store does not support adult content."
};
SetErrors(errors, columnName);
}
else
{
ClearErrors(columnName);
}
break;
case nameof(Price):
if (Price < 0)
{
var errors = new List <string>()
{
"Price can not be less than zero"
};
SetErrors(errors, columnName);
}
else
{
ClearErrors(columnName);
}
break;
case nameof(SalePrice):
ClearErrors(columnName);
CheckSalePrice(columnName);
if (SalePrice < 0)
{
AddError("Sale Price can not be less than zero", columnName);
}
CheckSalePrice(nameof(Inventory));
break;
default:
break;
}
return(string.Empty);
}
}
public override string this[string columnName]
{
get
{
var field = (FieldNames)Enum.Parse(typeof(FieldNames), columnName);
switch (field)
{
case FieldNames.Inventory:
ClearErrors(columnName);
CheckSalePrice(columnName);
if (SalePrice < 0)
{
AddError("Inventory can not be less than zero", columnName);
}
CheckSalePrice(FieldNames.SalePrice.ToString());
break;
case FieldNames.ModelName:
if (ModelName.Contains("XXX"))
{
var errors = new List <string>()
{
"Our Store does not support adult content."
};
SetErrors(errors, columnName);
}
else
{
ClearErrors(columnName);
}
break;
case FieldNames.Price:
if (Price < 0)
{
var errors = new List <string>()
{
"Price can not be less than zero"
};
SetErrors(errors, columnName);
}
else
{
ClearErrors(columnName);
}
break;
case FieldNames.SalePrice:
ClearErrors(columnName);
CheckSalePrice(columnName);
if (SalePrice < 0)
{
AddError("Sale Price can not be less than zero", columnName);
}
CheckSalePrice(FieldNames.Inventory.ToString());
break;
default:
break;
}
return(string.Empty);
}
}