/// <summary>
/// Creates a new instance of the <see cref="DelegatePagination{T}"/> class.
/// </summary>
/// <param name="method">The method invoked to fetch data.</param>
/// <param name="pageNumber">The current page number.</param>
/// <param name="pageSize">Number of items per page.</param>
/// <param name="additionalArgs">Additional data passed in the AdditionalArgs</param>
public DelegatePagination(DoQueryDelegate <T> method, int pageNumber, int pageSize, object additionalArgs)
{
DoQuery = method;
_pageNumber = pageNumber;
_pageSize = pageSize;
_additionalArgs = additionalArgs;
}
private HttpResponseMessage SearchForDicomEntity
(
IQidoRequestModel request,
DicomAttributeCollection dicomSource,
DoQueryDelegate doQuery
)
{
if (null != request.Query)
{
var matchingParams = request.Query.MatchingElements;
var includeParams = request.Query.IncludeElements;
foreach (var queryParam in matchingParams)
{
string paramValue = queryParam.Value;
InsertDicomElement(dicomSource, queryParam.Key, paramValue);
}
foreach (var returnParam in includeParams)
{
InsertDicomElement(dicomSource, returnParam, "");
}
ICollection <DicomAttributeCollection> results = doQuery(QueryService, dicomSource, request.Limit, request.Offset); //TODO: move configuration params into their own object
StringBuilder jsonReturn = new StringBuilder("[");
JsonDicomConverter converter = new JsonDicomConverter( )
{
IncludeEmptyElements = true
};
foreach (var response in results)
{
jsonReturn.AppendLine(converter.Convert(response));
jsonReturn.Append(",");
}
if (results.Count > 0)
{
jsonReturn.Remove(jsonReturn.Length - 1, 1);
}
jsonReturn.Append("]");
return(new HttpResponseMessage(System.Net.HttpStatusCode.OK)
{
Content = new StringContent(jsonReturn.ToString( ), Encoding.UTF8, MimeMediaTypes.Json)
});
}
return(null);
}
private HttpResponseMessage SearchForDicomEntity
(
IQidoRequestModel request,
DicomDataset dicomSource,
DoQueryDelegate doQuery
)
{
if (null != request.Query)
{
HttpResponseMessage response = null;
var matchingParams = request.Query.MatchingElements;
var includeParams = request.Query.IncludeElements;
foreach (var returnParam in includeParams)
{
InsertDicomElement(dicomSource, returnParam, "");
}
foreach (var queryParam in matchingParams)
{
string paramValue = queryParam.Value;
InsertDicomElement(dicomSource, queryParam.Key, paramValue);
}
var results = doQuery(QueryService, dicomSource, request); //TODO: move configuration params into their own object
if (MultipartResponseHelper.IsMultiPartRequest(request))
{
response = CreateMultipartResponse(request, results.Result);
}
else
{
response = CreateJsonResponse(results.Result);
}
AddResponseHeaders(request, dicomSource, response, results);
return(response);
}
return(null);
}
private HttpResponseMessage SearchForDicomEntity
(
IQidoRequestModel request,
fo.DicomDataset dicomSource,
DoQueryDelegate doQuery
)
{
if (null != request.Query)
{
var matchingParams = request.Query.MatchingElements;
var includeParams = request.Query.IncludeElements;
foreach (var returnParam in includeParams)
{
InsertDicomElement(dicomSource, returnParam, "");
}
foreach (var queryParam in matchingParams)
{
string paramValue = queryParam.Value;
InsertDicomElement(dicomSource, queryParam.Key, paramValue);
}
ICollection <fo.DicomDataset> results = doQuery(QueryService, dicomSource, request); //TODO: move configuration params into their own object
if (MultipartResponseHelper.IsMultiPartRequest(request))
{
if (MultipartResponseHelper.GetSubMediaType(request.AcceptHeader.FirstOrDefault( )) == MimeMediaTypes.xmlDicom)
{
HttpResponseMessage response;
MultipartContent multiContent;
response = new HttpResponseMessage( );
multiContent = new MultipartContent("related", MultipartResponseHelper.DicomDataBoundary);
response.Content = multiContent;
foreach (var result in results)
{
XmlDicomConverter converter = new XmlDicomConverter( );
MultipartResponseHelper.AddMultipartContent(multiContent,
new WadoResponse(new MemoryStream(Encoding.ASCII.GetBytes(converter.Convert(result))),
MimeMediaTypes.xmlDicom));
}
multiContent.Headers.ContentType.Parameters.Add(new System.Net.Http.Headers.NameValueHeaderValue("type",
"\"" + MimeMediaTypes.xmlDicom + "\""));
return(response);
}
else
{
return(new HttpResponseMessage(System.Net.HttpStatusCode.BadRequest));
}
}
else
{
StringBuilder jsonReturn = new StringBuilder("[");
JsonDicomConverter converter = new JsonDicomConverter( )
{
IncludeEmptyElements = true
};
foreach (var response in results)
{
jsonReturn.AppendLine(converter.Convert(response));
jsonReturn.Append(",");
}
if (results.Count > 0)
{
jsonReturn.Remove(jsonReturn.Length - 1, 1);
}
jsonReturn.Append("]");
return(new HttpResponseMessage(System.Net.HttpStatusCode.OK)
{
Content = new StringContent(jsonReturn.ToString( ),
Encoding.UTF8,
MimeMediaTypes.Json)
});
}
}
return(null);
}
