private static NuGetExpressionVisitor GetVisitor(Expression expression)
{
var nuGetVisitor = new NuGetExpressionVisitor();
nuGetVisitor.Visit(expression);
return(nuGetVisitor);
}
private static NuGetQueryFilter GetFilter(NuGetExpressionVisitor nuGetVisitor)
{
var filter = nuGetVisitor.GetNuGetQueryFilter();
var validator = NuGetQueryValidator.ValidateFilter(filter);
if (!validator.IsValid)
{
throw new Exception(string.Join(Environment.NewLine, validator.Errors.Select(err => err.Message)));
}
return(filter);
}
internal static IAsyncQueryable <NuGetPackage> Execute(Expression expression, NuGetRepository nuGetRepository, Expression root)
{
var nuGetVisitor = new NuGetExpressionVisitor();
var visitedExpression = nuGetVisitor.Visit(expression);
var filter = nuGetVisitor.GetNuGetQueryFilter();
var queryableElements = Materialize(nuGetRepository, filter);
if (filter.SyncIncompatibility)
{
return(Synchronized(queryableElements, nuGetVisitor.GetNotEvaluated));
}
return(queryableElements);
}