/// <summary>
/// Attempts to get the requested fields current or original value and cast to the required type.
/// </summary>
/// <param name="field">The field whose value is to be fetched.</param>
/// <param name="updatedValue">Should the current / updated value be returned or the original value?</param>
/// <returns>The current or original field value cat to the appropriate type.</returns>
/// <remarks>Use this method for Struct types only, use GetFieldStringValue() for String fields.</remarks>
public object?GetFieldValue(FormField <TItem> field, bool updatedValue = true)
{
// point to relevant TItem instance
if (Item is null)
{
return(null);
}
// if original value required simply return
object?value;
var memberInfo = field.Field?.GetPropertyMemberInfo();
if (memberInfo is PropertyInfo propInfo)
{
if (updatedValue && Delta.ContainsKey(memberInfo.Name))
{
value = Delta[memberInfo.Name];
}
else
{
value = propInfo.GetValue(Item);
}
}
else
{
value = field.CompiledFieldFunc?.Invoke(Item);
}
return(value);
}