private void NestedExpand(ExpandClause clause)
{
var nestedParser = new ExpandClauseParser(_parser, clause.NestedExpands);
clause.NestedExpandParameter = Expression.Parameter(clause.ItemType);
nestedParser.Parse(clause.NestedExpandParameter);
}
public QueryParser(Parameters parameters, GraphSchema graph, IClassCache cache)
{
IsParsed = false;
ClassProperties = graph.Vertices
.Select(v => v.Value.Properties)
.SelectMany(x => x).Select(x => x.Name)
.Distinct();
OrderBy = new OrderByClauseParser <TRootVertex>(x => _GetTokens(x), parameters.OrderBy, graph, TermHelper.OrderByTerms);
Select = new SelectClauseParser <TRootVertex>(x => _GetTokens(x), parameters.Select, graph, TermHelper.SelectTerms);
Filter = new FilterClauseParser <TRootVertex>(x => _GetTokens(x), parameters.Filter, TermHelper.FilterTerms);
Expand = new ExpandClauseParser <TRootVertex>(x => _GetTokens(x), parameters.Expand, graph, Select, Filter, TermHelper.ExpandTerms);
_Graph = graph;
Cache = cache;
Parse();
}
private void InitializeExpand(HttpContext httpContext, ILogger logger,
ModelStateDictionary modelStateDictionary)
{
if (httpContext.Request.Query.TryGetValue("$expand", out var values))
{
var binder = httpContext.RequestServices.GetRequiredService <IOpenApiTypeHandler>();
foreach (var value in values)
{
var parser = new ExpandClauseParser(binder, value, _expandClauses, modelStateDictionary);
try
{
parser.Parse(_parameter);
}
catch (Exception e)
{
logger.LogError(e, "failed to parse $expand clause");
modelStateDictionary.TryAddModelException("$expand", e);
}
}
}
}
