private bool ProcessPatch(PomonaRequest request, string ifMatch)
{
var resourceNode = request.Node as ResourceNode;
if (resourceNode == null || request.Method != HttpMethod.Patch)
return false;
return ValidateResourceEtag(ifMatch, resourceNode);
}
public PomonaResponse Process(PomonaRequest request)
{
return Before
.Concat(request.Node.GetRequestProcessors(request))
.Concat(After)
.Select(x => x.Process(request))
.FirstOrDefault(response => response != null);
}
public PomonaResponse Process(PomonaRequest request)
{
string ifMatch = null;
if ((ifMatch = GetIfMatchFromRequest(request)) == null)
return null;
if (ProcessPatch(request, ifMatch))
return null;
ProcessPostToChildResourceRepository(request, ifMatch);
return null;
}
private string GetIfMatchFromRequest(PomonaRequest request)
{
var ifMatch = request.Headers.IfMatch.FirstOrDefault();
if (ifMatch != null)
{
ifMatch = ifMatch.Trim();
if (ifMatch.Length < 2 || ifMatch[0] != '"' || ifMatch[ifMatch.Length - 1] != '"')
{
throw new NotImplementedException(
"Only recognized If-Match with quotes around, * not yet supported (TODO).");
}
ifMatch = ifMatch.Substring(1, ifMatch.Length - 2);
}
return ifMatch;
}
public PomonaResponse Handle(NancyContext context, string modulePath)
{
if (context == null)
throw new ArgumentNullException(nameof(context));
if (modulePath == null)
throw new ArgumentNullException(nameof(modulePath));
var httpMethod = (HttpMethod)Enum.Parse(typeof(HttpMethod), context.Request.Method, true);
var moduleRelativePath = context.Request.Path.Substring(modulePath.Length);
var request = new PomonaRequest(context.Request.Url.ToString(),
moduleRelativePath,
httpMethod,
context.Request.Headers,
context.Request.Body,
context.Request.Query);
return this.session.Dispatch(request);
}
public PomonaResponse Process(PomonaRequest request)
{
if (request.Method != HttpMethod.Get)
return null;
if (!request.Node.Exists)
throw new ResourceNotFoundException("Resource not found.");
var queryableNode = request.Node as QueryableNode;
if (queryableNode != null)
{
var pomonaQuery = request.ParseQuery();
return request.Node.GetQueryExecutor()
.ApplyAndExecute(queryableNode.GetAsQueryable(pomonaQuery.OfType), pomonaQuery);
}
var resourceNode = request.Node as ResourceNode;
if (resourceNode != null)
return new PomonaResponse(resourceNode.Value, expandedPaths: request.ExpandedPaths);
return null;
}
public PomonaResponse Handle(NancyContext context, string modulePath)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (modulePath == null)
{
throw new ArgumentNullException(nameof(modulePath));
}
var httpMethod = (HttpMethod)Enum.Parse(typeof(HttpMethod), context.Request.Method, true);
var moduleRelativePath = context.Request.Path.Substring(modulePath.Length);
var request = new PomonaRequest(context.Request.Url.ToString(),
moduleRelativePath,
httpMethod,
context.Request.Headers,
context.Request.Body,
context.Request.Query);
return(this.session.Dispatch(request));
}
private void ProcessPostToChildResourceRepository(PomonaRequest request, string ifMatch)
{
var queryableNode = request.Node as QueryableNode;
if (request.Method != HttpMethod.Post || queryableNode == null)
return;
var parentNode = queryableNode.Parent as ResourceNode;
if (parentNode != null)
ValidateResourceEtag(ifMatch, parentNode);
}