private IQueryModelTransform CompileSearchQuery(SearchQuery query)
{
if (!query.BooleanOperation.HasValue)
{
throw new CompileException("Operation is not specified");
}
SearchQueryTransformer transformer;
switch (query.Left.Type)
{
case SearchNode.SearchNodeType.Nil:
throw new CompileException("Query is empty.");
case SearchNode.SearchNodeType.Id:
case SearchNode.SearchNodeType.Grouped:
transformer = new SearchQueryTransformer(query);
transformer.Nodes.Add(CompileSearchNode(query.Left));
break;
default:
transformer = new SearchQueryTransformer(query);
IQueryModelTransform s = CompileSearchNode(query.Left);
if (s != null)
{
transformer.Nodes.Add(s);
}
s = CompileSearchNode(query.Right);
if (s != null)
{
transformer.Nodes.Add(s);
}
break;
}
return(transformer);
}
public virtual string Compile(SearchNode node)
{
if (node == null)
{
throw new CompileException("Not a valid query.");
}
IQueryModelTransform structure = CompileSearchNode(node);
if (structure == null)
{
throw new CompileException("Failed to compile query!");
}
JsonSerializerSettings settings = new JsonSerializerSettings
{
NullValueHandling = NullValueHandling.Ignore,
ContractResolver = new CamelCasePropertyNamesContractResolver(),
Converters = new List <JsonConverter> {
new StringEnumConverter {
CamelCaseText = false
}
},
};
return(JsonConvert.SerializeObject(structure, settings));
}
