Adding EnterpriseDiagramBuilder.cs Structure into sample project

src/components/C4Sharp/Models/Plantuml/PlantumlStructure.cs

@@ -67,7 +67,7 @@ private static string ToPumlString(this EnterpriseBoundary boundary)
 
             foreach (var structure in boundary.Structures)
             {
-                if (structure is (Person or SoftwareSystem))
+                if (structure is (Person or SoftwareSystem or EnterpriseBoundary))
                 {
                     stream.AppendLine($"{SpaceMethods.Indent()}{structure.ToPumlString()}");
                 }

src/samples/C4Sharp.Sample/Diagrams/EnterpriseDiagramBuilder.cs

@@ -0,0 +1,58 @@
+using C4Sharp.Diagrams.Core;
+using C4Sharp.Models;
+using C4Sharp.Models.Relationships;
+using C4Sharp.Sample.Structures;
+
+namespace C4Sharp.Sample.Diagrams
+{
+    using static Position;
+    using static People;
+    using static Systems;
+
+    public class EnterpriseDiagramBuilder
+    {
+        public static ContextDiagram Build()
+        {
+            return new ()
+            {
+                Title = "System Enterprise diagram for Internet Banking System",
+                Structures = new Structure[]
+                {
+                    Customer,
+                    new EnterpriseBoundary("eboundary", "Domain A")
+                    {
+                        Structures = new Structure []
+                        {
+                            BankingSystem,   
+                            new EnterpriseBoundary("eboundary1", "Domain Internal Users")
+                            {
+                                Structures = new Structure []
+                                {
+                                    InternalCustomer,
+                                }
+                            },                             
+                            new EnterpriseBoundary("eboundary2", "Domain Managers")
+                            {
+                                Structures = new Structure []
+                                {
+                                    Manager,
+                                }
+                            },                            
+                        }
+                    },
+                    Mainframe,
+                    MailSystem
+                },
+                Relationships = new[]
+                {
+                    Customer > BankingSystem,
+                    InternalCustomer > BankingSystem,
+                    Manager > BankingSystem,
+                    (Customer < MailSystem)["Sends e-mails to"],
+                    (BankingSystem > MailSystem)["Sends e-mails", "SMTP"][Neighbor],
+                    BankingSystem > Mainframe,
+                }
+            };
+        }        
+    }
+}

src/samples/C4Sharp.Sample/Program.cs

@@ -1,4 +1,5 @@
 using C4Sharp.Diagrams;
+using C4Sharp.Models;
 using C4Sharp.Models.Plantuml;
 using C4Sharp.Sample.Diagrams;
 
@@ -13,11 +14,13 @@ private static void Main(string[] args)
                 ContextDiagramBuilder.Build(),
                 ContainerDiagramBuilder.Build(),
                 ComponentDiagramBuilder.Build(),
-                DeploymentDiagramBuilder.Build()
+                DeploymentDiagramBuilder.Build(),
+                EnterpriseDiagramBuilder.Build(),
             };
 
             new PlantumlSession()
                 .UseDiagramImageBuilder()
+                .UseDiagramSvgImageBuilder()
                 .UseStandardLibraryBaseUrl()
                 .Export(diagrams);
         }

src/samples/C4Sharp.Sample/Structures/People.cs

@@ -1,4 +1,5 @@
 using C4Sharp.Models;
+using C4Sharp.Models.Relationships;
 
 namespace C4Sharp.Sample.Structures
 {
@@ -8,7 +9,20 @@ public static class People
 
         public static Person Customer => _customer ??= new Person("customer", "Personal Banking Customer")
         {
-            Description = "A customer of the bank, with personal bank accounts."
+            Description = "A customer of the bank, with personal bank accounts.",
+            Boundary = Boundary.External
         };
+
+        private static Person _internalCustomer;
+        public static Person InternalCustomer => _internalCustomer ??= new Person("internalcustomer", "Personal Banking Customer")
+        {
+            Description = "An internal customer of the bank, with personal bank accounts."
+        };  
+
+        private static Person _manager;
+        public static Person Manager => _manager ??= new Person("manager", "Manager Banking Customer")
+        {
+            Description = "A manager of the bank, with personal bank accounts."
+        };         
     }
 }