public async Task <SearchResults> SearchAsync(string query, Context context,
CancellationToken ct)
{
var result = new SearchResults();
if (context.UserPermissions.Allows(Permissions.AppAssetsRead, context.App.Name))
{
var filter = ClrFilter.Contains("fileName", query);
var clrQuery = new ClrQuery {
Filter = filter, Take = 5
};
var assets = await assetQuery.QueryAsync(context, null, Q.Empty.WithQuery(clrQuery), ct);
if (assets.Count > 0)
{
foreach (var asset in assets)
{
var url = urlGenerator.AssetsUI(context.App.NamedId(), asset.Id.ToString());
result.Add(asset.FileName, SearchResultType.Asset, url);
}
}
}
return(result);
}
public override FilterNode <ClrValue> Visit(SingleValueFunctionCallNode nodeIn)
{
var fieldNode = nodeIn.Parameters.ElementAt(0);
if (string.Equals(nodeIn.Name, "empty", StringComparison.OrdinalIgnoreCase))
{
return(ClrFilter.Empty(PropertyPathVisitor.Visit(fieldNode)));
}
var valueNode = nodeIn.Parameters.ElementAt(1);
if (string.Equals(nodeIn.Name, "endswith", StringComparison.OrdinalIgnoreCase))
{
var value = ConstantWithTypeVisitor.Visit(valueNode);
return(ClrFilter.EndsWith(PropertyPathVisitor.Visit(fieldNode), value));
}
if (string.Equals(nodeIn.Name, "startswith", StringComparison.OrdinalIgnoreCase))
{
var value = ConstantWithTypeVisitor.Visit(valueNode);
return(ClrFilter.StartsWith(PropertyPathVisitor.Visit(fieldNode), value));
}
if (string.Equals(nodeIn.Name, "contains", StringComparison.OrdinalIgnoreCase))
{
var value = ConstantWithTypeVisitor.Visit(valueNode);
return(ClrFilter.Contains(PropertyPathVisitor.Visit(fieldNode), value));
}
throw new NotSupportedException();
}
