public void Listen()
{
var listener = new System.Net.HttpListener();
listener.Prefixes.Add("http://+:81/");
listener.Start();
do
{
var context = listener.GetContext();
var request = context.Request;
var response = context.Response;
if (request.Url.PathAndQuery == "/~close")
{
response.Close();
break;
}
var searchInfo = new SearchInfo();
if (request.HttpMethod == "POST" && request.InputStream != null)
{
searchInfo = _parser.ParseBody(request.InputStream);
}
else
{
var dataFromQuery = request.Url.ParseQueryString();
searchInfo = _parser.ParseQuery(dataFromQuery);
}
var predicate = _filter.BuildExpression(searchInfo);
var data = GetData(searchInfo, predicate);
var accept = GetAcceptType(request.AcceptTypes);
SendResponse(accept, data, response);
} while (true);
listener.Close();
}
public ResultHandler <IEnumerable <Expression <Func <EventModel, bool> > > > BuildExpressions(IEnumerable <FilterStatement <EventModel> > filterStatements)
{
try
{
List <Expression <Func <EventModel, bool> > > result = new List <Expression <Func <EventModel, bool> > >();
foreach (var filterStatement in filterStatements)
{
IFilter <EventModel> filter = this._eventFilterResolver(filterStatement.FilterType);
ResultHandler <Expression <Func <EventModel, bool> > > expressionResult = filter.BuildExpression(filterStatement);
if (!expressionResult.Success)
{
this._logger.LogError(expressionResult.ErrorMessage);
return(ResultHandler.Fail <IEnumerable <Expression <Func <EventModel, bool> > > >(expressionResult.ErrorCode));
}
result.Add(expressionResult.Value);
}
return(ResultHandler.Ok <IEnumerable <Expression <Func <EventModel, bool> > > >(result));
}
catch (Exception ex)
{
return(ResultHandler.Fail <IEnumerable <Expression <Func <EventModel, bool> > > >(ex));
}
}