public Expression GetSelectExpression(ParameterExpression itemPram)
{
var visitedNavigationExpr =
(LambdaExpression) new ParameterReplacerVisitor(_navigationExpression.Parameters[0], itemPram).Visit(_navigationExpression);
LambdaExpression memberInitLambda = SubUtilities.GetMemberInitLambda(_engineSubContext.Fields);
return(visitedNavigationExpr.Chain(memberInitLambda).Body);
}
public Type FieldType => typeof(IEnumerable); // TODO maybe just object ?
public Expression GetSelectExpression(ParameterExpression itemPram)
{
var visitedNavigationExpr =
(LambdaExpression) new ParameterReplacerVisitor(_navigationExpression.Parameters[0], itemPram).Visit(
_navigationExpression);
LambdaExpression memberInitLambda = SubUtilities.GetMemberInitLambda(_engineSubContext.Fields);
Type dynamicType = memberInitLambda.ReturnType;
MethodCallExpression selectMethodExpr = Expression.Call(typeof(Enumerable), "Select",
new[] { typeof(TNav), dynamicType }, visitedNavigationExpr.Body, memberInitLambda);
return(selectMethodExpr);
}
