public HttpResponseMessage MoreLikeThisGet()
{
var nameValueCollection = new NameValueCollection();
foreach (var queryNameValuePair in InnerRequest.GetQueryNameValuePairs())
{
nameValueCollection.Add(queryNameValuePair.Key, queryNameValuePair.Value);
}
var parameters = GetParametersFromPath(GetRequestUrl(), nameValueCollection);
parameters.TransformerParameters = ExtractTransformerParameters();
parameters.ResultsTransformer = GetQueryStringValue("resultsTransformer");
parameters.Includes = GetQueryStringValues("include");
var index = Database.IndexStorage.GetIndexInstance(parameters.IndexName);
if (index == null)
{
return(GetMessageWithObject(new { Error = "The index " + parameters.IndexName + " cannot be found" },
HttpStatusCode.NotFound));
}
var indexEtag = Database.Indexes.GetIndexEtag(parameters.IndexName, null);
if (MatchEtag(indexEtag))
{
return(GetEmptyMessage(HttpStatusCode.NotModified));
}
var result = Database.ExecuteMoreLikeThisQuery(parameters, GetRequestTransaction(), GetPageSize(Database.Configuration.MaxPageSize),
Database.IndexQueryTriggers);
if (MatchEtag(result.Etag))
{
return(GetEmptyMessage(HttpStatusCode.NotModified));
}
var msg = GetMessageWithObject(result.Result);
WriteETag(result.Etag, msg);
return(msg);
}
public Dictionary <string, RavenJToken> ExtractTransformerParameters()
{
var result = new Dictionary <string, RavenJToken>();
foreach (var key in InnerRequest.GetQueryNameValuePairs().Select(pair => pair.Key))
{
if (string.IsNullOrEmpty(key))
{
continue;
}
if (key.StartsWith("qp-") || key.StartsWith("tp-"))
{
var realkey = key.Substring(3);
result[realkey] = GetQueryStringValue(key);
}
}
return(result);
}
private Dictionary <string, SortOptions> GetSortHints()
{
var result = new Dictionary <string, SortOptions>();
// backward compatibility
foreach (var header in InnerRequest.Headers.Where(pair => pair.Key.StartsWith("SortHint-")))
{
SortOptions sort;
Enum.TryParse(GetHeader(header.Key), true, out sort);
result[Uri.UnescapeDataString(header.Key)] = sort;
}
foreach (var pair in InnerRequest.GetQueryNameValuePairs().Where(pair => pair.Key.StartsWith("SortHint-", StringComparison.OrdinalIgnoreCase)))
{
var key = pair.Key;
var value = pair.Value != null?Uri.UnescapeDataString(pair.Value) : null;
SortOptions sort;
Enum.TryParse(value, true, out sort);
result[Uri.UnescapeDataString(key)] = sort;
}
return(result);
}
public string[] GetQueryStringValues(string key)
{
var items = InnerRequest.GetQueryNameValuePairs().Where(pair => pair.Key == key);
return(items.Select(pair => (pair.Value != null) ? Uri.UnescapeDataString(pair.Value) : null).ToArray());
}
