public override void ConvertToJavascript(JavascriptConversionContext context)
{
var methodCallExpression = context.Node as MethodCallExpression;
if (methodCallExpression?.Method.Name != "Load")
{
return;
}
if (methodCallExpression.Method.DeclaringType != typeof(RavenQuery) &&
(methodCallExpression.Object == null || methodCallExpression.Object.Type != typeof(IDocumentSession)))
{
return;
}
HasLoad = true;
Arg = methodCallExpression.Arguments[0];
IsEnumerable = Arg.Type.IsArray || LinqMethodsSupport.IsCollection(Arg.Type);
if (IsEnumerable && methodCallExpression.Object?.Type == typeof(IDocumentSession))
{
throw new NotSupportedException("Using IDocumentSession.Load(IEnumerable<string> ids) inside a query is not supported. " +
"You should use RavenQuery.Load(IEnumerable<string> ids) instead");
}
context.PreventDefault();
if (DoNotTranslate)
{
return;
}
var writer = context.GetWriter();
using (writer.Operation(methodCallExpression))
{
writer.Write("load(");
context.Visitor.Visit(Arg);
writer.Write(")");
}
}
public override void ConvertToJavascript(JavascriptConversionContext context)
{
if (!(context.Node is ConstantExpression nodeAsConst))
{
return;
}
var writer = context.GetWriter();
using (writer.Operation(nodeAsConst))
{
if (nodeAsConst.Value == null)
{
context.PreventDefault();
writer.Write("null");
return;
}
if (nodeAsConst.Type == typeof(bool))
{
context.PreventDefault();
var val = (bool)nodeAsConst.Value ? "true" : "false";
using (writer.Operation(nodeAsConst))
{
writer.Write(val);
}
return;
}
if (nodeAsConst.Type == typeof(char))
{
context.PreventDefault();
writer.Write("\"");
writer.Write(nodeAsConst.Value);
writer.Write("\"");
return;
}
if (nodeAsConst.Type.IsArray || LinqMethodsSupport.IsCollection(nodeAsConst.Type))
{
var arr = nodeAsConst.Value as object[] ?? (nodeAsConst.Value as IEnumerable <object>)?.ToArray();
if (arr == null)
{
return;
}
context.PreventDefault();
writer.Write("[");
for (var i = 0; i < arr.Length; i++)
{
if (i != 0)
{
writer.Write(", ");
}
if (arr[i] is string || arr[i] is char)
{
writer.Write("\"");
writer.Write(arr[i]);
writer.Write("\"");
}
else
{
writer.Write(arr[i]);
}
}
writer.Write("]");
}
}
}