public async Task <HttpResponseMessage> Get(string resource)
{
string respval = null;
if (Request.RequestUri.AbsolutePath.ToLower().EndsWith("metadata"))
{
respval = SerializeResponse(FhirHelper.GenerateCapabilityStatement());
}
else
{
NameValueCollection nvc = HttpUtility.ParseQueryString(Request.RequestUri.Query);
string query = FhirParmMapper.Instance.GenerateQuery(storage, resource, nvc);
var retVal = await storage.QueryFHIRResource(query, resource);
Bundle results = new Bundle();
results.Id = Guid.NewGuid().ToString();
results.Type = Bundle.BundleType.Searchset;
results.Total = retVal.Count();
results.Link = new System.Collections.Generic.List <Bundle.LinkComponent>();
results.Link.Add(new Bundle.LinkComponent()
{
Url = Request.RequestUri.AbsoluteUri, Relation = "self"
});
results.Entry = new System.Collections.Generic.List <Bundle.EntryComponent>();
foreach (Resource p in retVal)
{
results.Entry.Add(new Bundle.EntryComponent()
{
Resource = p
});
}
if (retVal != null)
{
respval = SerializeResponse(results);
}
}
var response = this.Request.CreateResponse(HttpStatusCode.OK);
response.Content = new StringContent(respval, Encoding.UTF8, CurrentAcceptType);
return(response);
}
public async Task <HttpResponseMessage> Get(string resource)
{
try
{
string respval = null;
if (Request.RequestUri.AbsolutePath.ToLower().EndsWith("metadata"))
{
respval = SerializeResponse(FhirHelper.GenerateCapabilityStatement(Request.RequestUri.AbsoluteUri));
}
else
{
string validResource = FhirHelper.ValidateResourceType(resource);
NameValueCollection nvc = HttpUtility.ParseQueryString(Request.RequestUri.Query);
string _id = nvc["_id"];
string _nextpage = nvc["_nextpage"];
string _count = nvc["_count"];
if (_count == null)
{
_count = "100";
}
string _querytotal = nvc["_querytotal"];
if (_querytotal == null)
{
_querytotal = "-1";
}
IEnumerable <Resource> retVal = null;
ResourceQueryResult searchrslt = null;
int iqueryTotal = 0;
if (string.IsNullOrEmpty(_id))
{
string query = FhirParmMapper.Instance.GenerateQuery(storage, validResource, nvc);
searchrslt = await storage.QueryFHIRResource(query, validResource, int.Parse(_count), _nextpage, long.Parse(_querytotal));
retVal = searchrslt.Resources;
iqueryTotal = (int)searchrslt.Total;
}
else
{
retVal = new List <Resource>();
var r = await storage.LoadFHIRResource(_id, validResource);
if (r != null)
{
((List <Resource>)retVal).Add(r);
}
iqueryTotal = retVal.Count();
}
var baseurl = Request.RequestUri.Scheme + "://" + Request.RequestUri.Authority + "/" + validResource;
Bundle results = new Bundle();
results.Id = Guid.NewGuid().ToString();
results.Type = Bundle.BundleType.Searchset;
results.Total = iqueryTotal;
results.Link = new System.Collections.Generic.List <Bundle.LinkComponent>();
NameValueCollection 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.ToString(), Relation = "self"
});
if (searchrslt.ContinuationToken != null)
{
qscoll.Remove("_nextpage");
qscoll.Add("_nextpage", searchrslt.ContinuationToken);
results.Link.Add(new Bundle.LinkComponent()
{
Url = baseurl + "?" + qscoll.ToString(), Relation = "next"
});
}
results.Entry = new System.Collections.Generic.List <Bundle.EntryComponent>();
Bundle.SearchComponent match = new Bundle.SearchComponent();
match.Mode = Bundle.SearchEntryMode.Match;
Bundle.SearchComponent include = new Bundle.SearchComponent();
include.Mode = Bundle.SearchEntryMode.Include;
foreach (Resource p in retVal)
{
results.Entry.Add(new Bundle.EntryComponent()
{
Resource = p, FullUrl = FhirHelper.GetFullURL(Request, p), Search = match
});
var includes = await FhirHelper.ProcessIncludes(p, nvc, storage);
foreach (Resource r in includes)
{
results.Entry.Add(new Bundle.EntryComponent()
{
Resource = r, FullUrl = FhirHelper.GetFullURL(Request, r), Search = include
});
}
}
if (retVal != null)
{
respval = SerializeResponse(results);
}
}
var response = this.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);
} catch (Exception e)
{
OperationOutcome oo = new OperationOutcome();
oo.Issue = new System.Collections.Generic.List <OperationOutcome.IssueComponent>();
OperationOutcome.IssueComponent ic = new OperationOutcome.IssueComponent();
ic.Severity = OperationOutcome.IssueSeverity.Error;
ic.Code = OperationOutcome.IssueType.Exception;
ic.Diagnostics = e.Message;
oo.Issue.Add(ic);
var response = this.Request.CreateResponse(HttpStatusCode.BadRequest);
response.Headers.TryAddWithoutValidation("Accept", CurrentAcceptType);
response.Content = new StringContent(SerializeResponse(oo), Encoding.UTF8);
response.Content.Headers.TryAddWithoutValidation("Content-Type", IsAccceptTypeJSON ? FHIRCONTENTTYPEJSON : FHIRCONTENTTYPEXML);
response.Content.Headers.LastModified = DateTimeOffset.Now;
return(response);
}
}
