///-------------------------------------------------------------------------------------------------
/// <summary>Gets topics bundle.</summary>
///
/// <remarks>Gino Canessa, 11/6/2019.</remarks>
///
/// <param name="wrapInBasic">(Optional) True to wrap in basic.</param>
///
/// <returns>The topics bundle.</returns>
///-------------------------------------------------------------------------------------------------
private fhir.Bundle _GetTopicsBundle(bool wrapInBasic = false)
{
fhir.Bundle bundle = new fhir.Bundle()
{
Type = "searchset",
Total = (uint)_titleTopicDict.Count,
Meta = new fhir.Meta()
{
LastUpdated = string.Format("{0:o}", DateTime.Now.ToUniversalTime())
},
Entry = new BundleEntry[_idTopicDict.Count]
};
fhir.SubscriptionTopic[] topics = _idTopicDict.Values.ToArray <fhir.SubscriptionTopic>();
if (wrapInBasic)
{
for (int index = 0; index < topics.Length; index++)
{
// **** add this topic ****
bundle.Entry[index] = new BundleEntry()
{
FullUrl = Program.UrlForResourceId("Topic", topics[index].Id),
Resource = WrapInBasic(topics[index]),
Search = new BundleEntrySearch()
{
Mode = "match"
},
//Response = new BundleEntryResponse() { Status = "201 Created"}
};
}
}
else
{
for (int index = 0; index < topics.Length; index++)
{
// **** add this topic ****
bundle.Entry[index] = new BundleEntry()
{
FullUrl = Program.UrlForResourceId("Topic", topics[index].Id),
Resource = topics[index],
Search = new BundleEntrySearch()
{
Mode = "match"
},
//Response = new BundleEntryResponse() { Status = "201 Created"}
};
}
}
// **** return our bundle ****
return(bundle);
}
/// <summary>Creates patient if required.</summary>
/// <returns>An asynchronous result that yields true if it succeeds, false if it fails.</returns>
public static async Task <bool> CreatePatientIfRequired()
{
// try to get a our patient
try
{
// create a patient id
_patientId = Guid.NewGuid().ToString();
// build our request
HttpRequestMessage request = new HttpRequestMessage()
{
Method = HttpMethod.Get,
RequestUri = GetFhirUri($"Patient/{_patientId}"),
Headers =
{
Accept =
{
new MediaTypeWithQualityHeaderValue("application/fhir+json")
},
}
};
// make our request
HttpResponseMessage response = await _restClient.SendAsync(request);
// check the status code
if (response.StatusCode != System.Net.HttpStatusCode.OK)
{
return(await CreatePatient());
}
string content = await response.Content.ReadAsStringAsync();
// deserialize
fhir.Bundle bundle = JsonConvert.DeserializeObject <fhir.Bundle>(content);
// check for values
if ((bundle.Entry == null) ||
(bundle.Entry.Length == 0))
{
return(await CreatePatient());
}
// good here
return(true);
}
catch (Exception ex)
{
Console.WriteLine($"Failed to Get Patient/{_patientId}: {ex.Message}");
return(await CreatePatient());
}
}
/// <summary>Gets subscription topics from the server.</summary>
/// <returns>The topics.</returns>
public static async Task <List <fhir.SubscriptionTopic> > GetTopics()
{
List <fhir.SubscriptionTopic> topics = new List <fhir.SubscriptionTopic>();
// try to get a list of topics
try
{
// build our request
HttpRequestMessage request = new HttpRequestMessage()
{
Method = HttpMethod.Get,
RequestUri = GetFhirUri("SubscriptionTopic"),
Headers =
{
Accept =
{
new MediaTypeWithQualityHeaderValue("application/fhir+json")
},
}
};
// make our request
HttpResponseMessage response = await _restClient.SendAsync(request);
// check the status code
if (response.StatusCode != System.Net.HttpStatusCode.OK)
{
Console.WriteLine($" Could not get SubscriptionTopics: {request.RequestUri.ToString()} returned: {response.StatusCode}");
return(topics);
}
string content = await response.Content.ReadAsStringAsync();
// deserialize
fhir.Bundle bundle = JsonConvert.DeserializeObject <fhir.Bundle>(content, new fhir.ResourceConverter());
// check for values
if ((bundle.Entry == null) ||
(bundle.Entry.Length == 0))
{
return(topics);
}
// traverse topics
foreach (fhir.BundleEntry entry in bundle.Entry)
{
if (entry.Resource == null)
{
continue;
}
// add this topic (should error check here)
topics.Add((fhir.SubscriptionTopic)entry.Resource);
}
}
catch (Exception ex)
{
Console.WriteLine($"Failed to Get SubscriptionTopics: {ex.Message}");
return(topics);
}
// return our list
return(topics);
}