public static Opcode GetCode(Expression expression, Opcode code, Type type)
{
var visitor = new LinqToSitecoreVisitor(code, type);
visitor.EvalOpcodeExpression(expression);
if (visitor.CodeTree == null)
{
var templateCode = new EqualsOperator(new FieldElement("@templatename"), new Literal(type.Name));
var root = new Root {
NextStep = new Descendant(new ItemElement("*", new Predicate(templateCode)))
};
return(root);
}
return(visitor.CodeTree);
}
internal object Query(Expression expression)
{
var opcode = LinqToSitecoreVisitor.GetCode(BooleanFixVisitor.Process <T>(expression), null, typeof(T));
var context = new QueryContext(_database.DataManager);
var qTranslator = LinqToSitecoreExtensions.GetQueryTranslator(context, _database);
var contextResult = qTranslator.QueryFast(_database, opcode);
var data = contextResult;
if (data is QueryContext[])
{
return(((QueryContext[])data).Select(x => x.GetQueryContextItem().ReflectTo <T>(true)).ToList());
}
return(new List <T> {
((QueryContext)data).GetQueryContextItem().ReflectTo <T>(true)
});
}
internal static List <T> Query <T>(Database database, Expression <Func <T, bool> > query, bool lazyLoading, params string[] include)
{
var db = database ?? Context.Database;
var opcode = LinqToSitecoreVisitor.GetCode(query, null, typeof(T));
var context = new QueryContext(db.DataManager);
var qTranslator = GetQueryTranslator(context, db);
var contextResult = qTranslator.QueryFast(db, opcode);
var data = contextResult;
if (data is QueryContext[])
{
return(((QueryContext[])data).Select(x => x.GetQueryContextItem().ReflectTo <T>(lazyLoading, include))
.Where(query.Compile()).ToList());
}
return(new List <T> {
((QueryContext)data).GetQueryContextItem().ReflectTo <T>(lazyLoading, include)
});
}