public async Task <SearchResult> Search(SearchRequest request)
{
if (request == null)
{
throw new Exception($"{request} cannot be null");
}
RetsResource resource = await GetResourceMetadata(request.SearchType);
if (resource == null)
{
string message = string.Format("The provided '{0}' is not valid. You can get a list of all valid value by calling '{1}' method on the Session object.", nameof(SearchRequest.SearchType), nameof(GetResourcesMetadata));
throw new Exception(message);
}
var uriBuilder = new UriBuilder(SearchUri);
var query = HttpUtility.ParseQueryString(uriBuilder.Query);
query.Add("SearchType", request.SearchType);
query.Add("Class", request.Class);
query.Add("QueryType", request.QueryType);
query.Add("Count", request.Count.ToString());
query.Add("Format", request.Format);
query.Add("Limit", request.Limit.ToString());
query.Add("StandardNames", request.StandardNames.ToString());
query.Add("RestrictedIndicator", request.RestrictedIndicator);
query.Add("Query", request.ParameterGroup.ToString());
if (request.HasColumns())
{
var columns = request.GetColumns().ToList();
if (!request.HasColumn(resource.KeyField))
{
columns.Add(resource.KeyField);
}
query.Add("Select", string.Join(",", columns));
}
uriBuilder.Query = query.ToString();
return(await Requester.Get(uriBuilder.Uri, async (response) =>
{
using (Stream stream = await GetStream(response))
{
XDocument doc = XDocument.Load(stream);
int code = GetReplayCode(doc.Root);
AssertValidReplay(doc.Root, code);
var result = new SearchResult(resource, request.Class, request.RestrictedIndicator);
if (code == 0)
{
char delimiterValue = GetCompactDelimiter(doc);
XNamespace ns = doc.Root.GetDefaultNamespace();
XElement columns = doc.Descendants(ns + "COLUMNS").FirstOrDefault();
IEnumerable <XElement> records = doc.Descendants(ns + "DATA");
string[] tableColumns = columns.Value.Split(delimiterValue);
result.SetColumns(tableColumns);
foreach (var record in records)
{
string[] fields = record.Value.Split(delimiterValue);
SearchResultRow row = new SearchResultRow(tableColumns, fields, resource.KeyField, request.RestrictedIndicator);
result.AddRow(row);
}
}
return result;
}
}, Session.Resource));
}
