/// <summary>
/// Appends a <see cref="Argument"/> to the <see cref="CommandInfo"/> object.
/// </summary>
/// <param name="command">The command.</param>
/// <param name="memberName">Name of the member.</param>
/// <param name="dataType">The data-type.</param>
/// <returns>The <see cref="Argument"/> object.</returns>
public static Argument WithParameter(this CommandInfo command, string memberName, Type dataType)
{
var argument = new Argument(memberName, dataType)
{
Position = command.Count
};
command.Add(argument);
return(argument);
}
/// <summary>
/// Appends a <see cref="Argument"/> to the <see cref="CommandInfo"/> object.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="command">The command.</param>
/// <param name="member">The member name.</param>
/// <returns>The <see cref="Argument"/> object.</returns>
public static Argument <T> WithParameter <T>(this CommandInfo <T> command, Expression <Func <T, object> > member)
{
var argument = new Argument <T>
{
Position = command.Count,
Default = default(T)
};
if (member.Body is UnaryExpression ue)
{
var m = (ue.Operand as MemberExpression);
argument.MemberName = m.Member.Name;
argument.DataType = (m.Member.MemberType == MemberTypes.Field) ? ((FieldInfo)m.Member).FieldType : ((PropertyInfo)m.Member).PropertyType;
}
else if (member.Body is MemberExpression me)
{
argument.MemberName = me.Member.Name;
argument.DataType = (me.Member.MemberType == MemberTypes.Field) ? ((FieldInfo)me.Member).FieldType : ((PropertyInfo)me.Member).PropertyType;
}
command.Add(argument);
return(argument);
}