/// <summary>Instructs Moo to map a source expression to the property expression below.</summary>
/// <remarks>
/// The argument parameter must be a property access expression, such as <c>(t) => t.Name</c>,
/// or else an ArgumentException will be thrown.
/// </remarks>
/// <typeparam name="TInnerTarget">Type of the inner target property.</typeparam>
/// <param name="argument">An expression fetching the property to map to.</param>
/// <returns>A spec object allowing further fluent setup.</returns>
public ISourceSpec <TSource, TTarget> To <TInnerTarget>(Expression <Func <TTarget, TInnerTarget> > argument)
{
Guard.CheckArgumentNotNull(argument, "argument");
Guard.CheckArgumentNotNull(argument.Body, "argument.Body");
ExpressionHandler.ValidatePropertyExpression(argument);
if (UseInnerMapper)
{
ExpressionHandler.ValidatePropertyExpression(SourceArgument);
Mapper.AddInnerMapper <TInnerSource, TInnerTarget>(
ExpressionHandler.GetProperty(SourceArgument),
ExpressionHandler.GetProperty(argument));
return(new SourceSpec <TSource, TTarget>(Mapper));
}
else
{
Mapper.AddMappingAction(
ExpressionHandler.GetMemberName(SourceArgument.Body),
ExpressionHandler.GetMemberName(argument.Body),
ExpressionHandler.GetAction <TSource, TTarget>(SourceArgument, argument));
return(new SourceSpec <TSource, TTarget>(Mapper));
}
}
