# - properly define the scaffolds' database formats

Lc.Linca.Sdk.Sample/Program.cs → Lc.Linca.Sdk.Sample/LinkedCareSampleClient.cs

@@ -10,18 +10,23 @@
  ***********************************************************************************/
 
 using Lc.Linca.Sdk.Sample.Resources;
+using Lc.Linca.Sdk.Scaffolds;
 using System.Security.Cryptography.X509Certificates;
 
 namespace Lc.Linca.Sdk.Client;
 
-internal class Program
+internal static class LinkedCareSampleClient
 {
     /// <summary>
     /// In SDK, this always points to the development system
     /// </summary>
     internal const string FhirServerBaseUrl = "https://fhir5-d.linkedcare.at";
     //internal const string FhirServerBaseUrl = "https://localhost:8084";
 
+    internal static CareInformationSystem CareInformationSystemScaffold = new();
+    internal static PractitionerInformationSystem PractitionerInformationSystemScaffold = new();
+    internal static PharmacyInformationSystem PharmacyInformationSystemScaffold = new();
+
     private const string CommandLineArgumentUseEmbeddedCert = "--use-embedded-cert";
     private const int ExitCodeCouldNotConnect = 0xaca1;
     private const int ExitCodeIdle = 0x1;

Lc.Linca.Sdk.Sample/Scaffolds/ActorSoftwareScaffold.cs

@@ -1,4 +1,7 @@
-namespace Lc.Linca.Sdk.Scaffolds;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Lc.Linca.Sdk.Scaffolds;
 
 /// <summary>
 /// An abstract representation of a software product
@@ -8,30 +11,43 @@
 /// </summary>
 internal abstract class ActorSoftwareScaffold
 {
-    internal enum PseudoDatabaseField
+    internal PseudoStore Data;
+
+    protected string db { init; get; }
+
+    protected internal ActorSoftwareScaffold(string db)
     {
-        PatientId = 0
+        Data = new();
+        this.db = db;
     }
 
-    internal static void PseudoDatabaseStore(string db, PseudoDatabaseField field, Guid value)
+    internal void PseudoDatabaseStore()
     {
-        var record = new byte[16 * typeof(PseudoDatabaseField).GetFields().Length];
-
-        value.ToByteArray().CopyTo(record, 16 * (short)field);
-        File.WriteAllBytes($".{db}.tmp.db", record);
+        File.WriteAllText($".{db}.tmp.lcdb", JsonSerializer.Serialize(Data));
     }
 
-    internal static Guid PseudoDatabaseRetrieve(string db, PseudoDatabaseField field)
+    internal void PseudoDatabaseRetrieve()
     {
-        try
-        {
-            var content = File.ReadAllBytes($".{db}.tmp.db");
+        var fileName = $".{db}.tmp.lcdb";
 
-            return new(content.Skip((short)field * 16).Take(16).ToArray());
+        if (File.Exists(fileName))
+        {
+            Data = JsonSerializer.Deserialize<PseudoStore>(File.ReadAllText(fileName))!;
         }
-        catch
+        else
         {
-            return Guid.Empty;
+            Data = new();
         }
     }
+
+    internal class PseudoStore
+    {
+        public string ClientIdRenate { get; set; } = string.Empty;
+        public string ClientIdGuenter { get; set; } = string.Empty;
+        public string ClientIdPatrizia { get; set; } = string.Empty;
+        public string LcIdImmerdar { get; set; } = string.Empty;
+        public string LcIdVogelsang { get; set; } = string.Empty;
+        public string OrderProposalIdGuenter { get; set; } = string.Empty;
+        public string OrderProposalIdPatrizia { get; set; } = string.Empty;
+    }
 }

Lc.Linca.Sdk.Sample/Scaffolds/CareInformationSystem.cs

@@ -1,6 +1,4 @@
-using System.Runtime.CompilerServices;
-
-namespace Lc.Linca.Sdk.Scaffolds;
+namespace Lc.Linca.Sdk.Scaffolds;
 
 /// <summary>
 /// A minimal implementation of a fictitious care information
@@ -9,38 +7,7 @@ namespace Lc.Linca.Sdk.Scaffolds;
 /// </summary>
 internal class CareInformationSystem : ActorSoftwareScaffold
 {
-    public static Client GetClient()
-    {
-        var clientInfo = new Client()
-        {
-            ClientId = GetClientIdFromDb()
-        };
-
-        return clientInfo;
-    }
-
-    private static Guid GetClientIdFromDb()
-    {
-        var clientId = Guid.NewGuid();
-        var existingClientId = PseudoDatabaseRetrieve(nameof(CareInformationSystem), PseudoDatabaseField.PatientId);
-
-        if (existingClientId == Guid.Empty)
-        {
-            /* what a caregiver calls a client,
-             * a doctor calls a patient. */
-            PseudoDatabaseStore(
-                nameof(CareInformationSystem),
-                PseudoDatabaseField.PatientId,
-                clientId
-            );
-        }
-        else
-        {
-            clientId = existingClientId;
-        }
-
-        return clientId;
-    }
+    public CareInformationSystem() : base(nameof(CareInformationSystem)) { }
 
     public class Client
     {

Lc.Linca.Sdk.Sample/Scaffolds/PharmacyInformationSystem.cs

@@ -7,4 +7,5 @@
 /// </summary>
 internal class PharmacyInformationSystem : ActorSoftwareScaffold
 {
+    public PharmacyInformationSystem() : base(nameof(PharmacyInformationSystem)) { }
 }

Lc.Linca.Sdk.Sample/Scaffolds/PractitionerInformationSystem.cs

@@ -7,4 +7,5 @@
 /// </summary>
 internal class PractitionerInformationSystem : ActorSoftwareScaffold
 {
+    public PractitionerInformationSystem() : base(nameof(PractitionerInformationSystem)) { }
 }

Lc.Linca.Sdk.Sample/Specs/ActorCare/US001-MedOrderSingleArticle.cs

@@ -11,6 +11,7 @@
 
 using Hl7.Fhir.Model;
 using Hl7.Fhir.Support;
+using Lc.Linca.Sdk.Client;
 using Lc.Linca.Sdk.Scaffolds;
 using System.Globalization;
 
@@ -26,7 +27,6 @@ internal class US001_MedOrderSingleArticle : Spec
         As Susanne Allzeit will pick up the medication on the go, she places the order 
         without specifying a pharmacy.";
 
-    public Patient createdPatient = new Patient();
     protected MedicationRequest medReq = new();
 
     public US001_MedOrderSingleArticle(LincaConnection conn) : base(conn)
@@ -52,7 +52,8 @@ public US001_MedOrderSingleArticle(LincaConnection conn) : base(conn)
     /// </summary>
     private bool CreateClientRecord()
     {
-        var client = CareInformationSystem.GetClient();
+        LinkedCareSampleClient.CareInformationSystemScaffold.PseudoDatabaseRetrieve();
+        var client = new CareInformationSystem.Client();
         var patient = new Patient
         {
             BirthDate = DateTime.ParseExact(
@@ -73,12 +74,15 @@ private bool CreateClientRecord()
             system: Constants.WellknownOidSocialInsuranceNr,
             value: client.SocInsNumber
         ));
-        patient.Gender = AdministrativeGender.Female;
 
-        (createdPatient, var canCue) = LincaDataExchange.CreatePatient(Connection, patient);
+        patient.Gender = AdministrativeGender.Female;
+        (var createdPatient, var canCue) = LincaDataExchange.CreatePatient(Connection, patient);
 
         if(canCue)
         {
+            LinkedCareSampleClient.CareInformationSystemScaffold.Data.ClientIdRenate = createdPatient.Id;
+            LinkedCareSampleClient.CareInformationSystemScaffold.PseudoDatabaseStore();
+
             Console.WriteLine($"Client information transmitted, id {createdPatient.Id}");
         }
         else
@@ -89,82 +93,35 @@ private bool CreateClientRecord()
         return canCue;
     }
 
-    private bool OrderAnyPharmacy()
-    {
-        var client = CareInformationSystem.GetClient();
-        if(client.ClientId == Guid.Empty)
-        {
-            Console.WriteLine("No client Id has been registered in the care information system");
-
-            return false;
-        }
-
-        // populate the order position
-        var orderPosition = new MedicationRequest()
-        {
-            // the client for whom the medication is ordered
-            Subject = new()
-            {
-
-            },
-            // the practitioner who will be asked to issue the prescription
-            Performer = new()
-            {
-
-            },
-            // the product ordered
-            Medication = new()
-            {
-
-            }
-        };
-
-
-        // populate the order header
-        var order = new RequestOrchestration()
-        {
-            Contained = new(new[] { orderPosition })
-        };
-
-        (var createdOrder, var canCue) = LincaDataExchange.PlaceOrder(Connection, order);
-
-        if (canCue)
-        {
-            Console.WriteLine($"Order created, id {createdOrder.Id}");
-        }
-        else
-        {
-            Console.WriteLine("Failed to create order");
-        }
-
-        return canCue;
-    }
-
     private void PrepareOrderMedicationRequest()
     {
+        LinkedCareSampleClient.CareInformationSystemScaffold.PseudoDatabaseRetrieve();
+
         medReq.Id = Guid.NewGuid().ToFhirId();                                  // REQUIRED    
         medReq.Status = MedicationRequest.MedicationrequestStatus.Unknown;      // REQUIRED
         medReq.Intent = MedicationRequest.MedicationRequestIntent.Proposal;     // REQUIRED
         medReq.Subject = new ResourceReference()                                // REQUIRED
         {
-            Reference = $"HL7ATCorePatient/{createdPatient.Id}"     // relative path to Linca Fhir patient resource
-            //Reference = "HL7ATCorePatient/c4313cca3e5b4cda89053630b5caae8d"
+            // relative path to Linca Fhir patient resource
+            Reference = $"HL7ATCorePatient/{LinkedCareSampleClient.CareInformationSystemScaffold.Data.ClientIdRenate}"
         };
+
         medReq.Medication = new()
         {
             Concept = new()
             {
                 Coding = new()
+                {
+                    new Coding()
                     {
-                        new Coding()
-                        {
-                            Code = "0031130",
-                            System = "https://termgit.elga.gv.at/CodeSystem/asp-liste",
-                            Display = "Lasix 40 mg Tabletten"
-                        }
+                        Code = "0031130",
+                        System = "https://termgit.elga.gv.at/CodeSystem/asp-liste",
+                        Display = "Lasix 40 mg Tabletten"
                     }
+                }
             }
         };
+
         medReq.InformationSource.Add(new ResourceReference()  // REQUIRED, cardinality 1..1 in LINCA
         {
             Identifier = new()
@@ -174,6 +131,7 @@ private void PrepareOrderMedicationRequest()
             },
             Display = "Pflegedienst Immerdar"   // optional
         });
+
         medReq.Requester = new ResourceReference()  // REQUIRED
         {
             Identifier = new()
@@ -183,6 +141,7 @@ private void PrepareOrderMedicationRequest()
             },
             Display = "DGKP Susanne Allzeit"
         };
+
         medReq.Performer.Add(new ResourceReference()   // REQUIRED, cardinality 1..1 in LINCA
         {
             Identifier = new()