public async Task <HttpResponseMessage> Get(string resource)
{
string respval;
if (Request.RequestUri.AbsolutePath.ToLower().EndsWith("metadata"))
{
respval = SerializeResponse(FhirHelper.GenerateCapabilityStatement(Request.RequestUri.AbsoluteUri));
}
else
{
var nvc = HttpUtility.ParseQueryString(Request.RequestUri.Query);
var id = nvc["_id"];
var nextpage = nvc["_nextpage"];
var count = nvc["_count"] ?? "100";
var querytotal = nvc["_querytotal"] ?? "-1";
IEnumerable <Resource> retVal;
ResourceQueryResult searchrslt = null;
int iqueryTotal;
if (string.IsNullOrEmpty(id))
{
var query = FhirParmMapper.Instance.GenerateQuery(storage, resource, nvc);
searchrslt =
await storage.QueryFhirResourceAsync(query, resource, int.Parse(count), nextpage, long.Parse(querytotal)).
ConfigureAwait(false);
retVal = searchrslt.Resources;
iqueryTotal = (int)searchrslt.Total;
}
else
{
retVal = new List <Resource>();
var r = await storage.LoadFhirResourceAsync(id, resource).ConfigureAwait(false);
if (r != null)
{
((List <Resource>)retVal).Add(r);
}
iqueryTotal = retVal.Count();
}
var baseurl = Request.RequestUri.Scheme + "://" + Request.RequestUri.Authority + "/" + resource;
var results = new Bundle
{
Id = Guid.NewGuid().ToString(),
Type = Bundle.BundleType.Searchset,
Total = iqueryTotal,
Link = new List <Bundle.LinkComponent>()
};
var qscoll = Request.RequestUri.ParseQueryString();
qscoll.Remove("_count");
qscoll.Remove("_querytotal");
qscoll.Add("_querytotal", searchrslt.Total.ToString());
qscoll.Add("_count", count);
results.Link.Add(new Bundle.LinkComponent {
Url = baseurl + "?" + qscoll, Relation = "self"
});
if (searchrslt.ContinuationToken != null)
{
qscoll.Remove("_nextpage");
qscoll.Add("_nextpage", searchrslt.ContinuationToken);
results.Link.Add(new Bundle.LinkComponent {
Url = baseurl + "?" + qscoll, Relation = "next"
});
}
results.Entry = new List <Bundle.EntryComponent>();
var match = new Bundle.SearchComponent {
Mode = Bundle.SearchEntryMode.Match
};
var include = new Bundle.SearchComponent {
Mode = Bundle.SearchEntryMode.Include
};
foreach (var p in retVal)
{
results.Entry.Add(new Bundle.EntryComponent
{
Resource = p,
FullUrl = FhirHelper.GetFullUrl(Request, p),
Search = match
});
var includes = await FhirHelper.ProcessIncludesAsync(p, nvc, storage).ConfigureAwait(false);
foreach (var r in includes)
{
results.Entry.Add(new Bundle.EntryComponent
{
Resource = r,
FullUrl = FhirHelper.GetFullUrl(Request, r),
Search = include
});
}
}
respval = SerializeResponse(results);
}
var response = Request.CreateResponse(HttpStatusCode.OK);
response.Headers.TryAddWithoutValidation("Accept", CurrentAcceptType);
response.Content = new StringContent(respval, Encoding.UTF8);
response.Content.Headers.TryAddWithoutValidation("Content-Type",
IsAccceptTypeJson ? Fhircontenttypejson : Fhircontenttypexml);
return(response);
}
