public RequestQuery Build()
{
var resultQuery = new Struct();
foreach (var filterGroup in _queryGroups)
{
if (filterGroup.Property.IsForeignEntity) //handle subservice entity query
{
var subgroup = new FilterGroup(filterGroup.Caption, filterGroup.Property.FieldName, filterGroup.ExpressionType)
.AssignParameters(filterGroup.CheckedParameters.ToArray());
if (!BuildForGroup(subgroup, out var subqueryPair))
{
continue;
}
var subquery = new Struct
{
Fields = { [subqueryPair.property] = subqueryPair.query }
};
var subservice = $"*/{filterGroup.Property.ForeignResource}";
if (!resultQuery.Fields.TryAdd(subservice, subquery.AsValue()))
{
if (resultQuery.Fields[subservice].KindCase == Value.KindOneofCase.StructValue)
{
var existedQuery = resultQuery.Fields[subservice].StructValue;
existedQuery.Fields.TryAdd(subqueryPair.property, subquery.Fields[subqueryPair.property]);
resultQuery.Fields[subservice] = existedQuery.AsValue();
}
}
continue;
}
if (!BuildForGroup(filterGroup, out var queryPair))
{
continue;
}
resultQuery.Fields.TryAdd(queryPair.property, queryPair.query);
}
return(RequestQuery.FromValue(resultQuery));
}