sketching out mergers API

src/Octokit.CodeGen/ApiBuilder.cs

@@ -4,6 +4,8 @@ namespace Octokit.CodeGen
 {
     using TypeBuilderFunc = System.Func<PathMetadata, ApiClientFileMetadata, ApiClientFileMetadata>;
 
+    using TypeMergeFunc = System.Func<List<ApiClientFileMetadata>, List<ApiClientFileMetadata>>;
+
     public class ApiBuilder
     {
         static ApiBuilder()
@@ -18,7 +20,8 @@ namespace Octokit.CodeGen
           Default.Register(Builders.AddPropertiesForNestedClients);
         }
 
-        private List<TypeBuilderFunc> funcs = new List<TypeBuilderFunc>();
+        private List<TypeBuilderFunc> typeBuilders = new List<TypeBuilderFunc>();
+        private List<TypeMergeFunc> typeMergers = new List<TypeMergeFunc>();
 
         public List<ApiClientFileMetadata> Build(List<PathMetadata> paths)
         {
@@ -28,7 +31,7 @@ namespace Octokit.CodeGen
             {
                 var result = new ApiClientFileMetadata();
 
-                foreach (var func in funcs)
+                foreach (var func in typeBuilders)
                 {
                     result = func(path, result);
                 }
@@ -36,12 +39,22 @@ namespace Octokit.CodeGen
                 results.Add(result);
             }
 
+            foreach (var merger in typeMergers)
+            {
+                results = merger(results);
+            }
+
             return results;
         }
 
         public void Register(TypeBuilderFunc func)
         {
-            funcs.Add(func);
+            typeBuilders.Add(func);
+        }
+
+        public void Register(TypeMergeFunc func)
+        {
+            typeMergers.Add(func);
         }
 
         public static ApiBuilder Default { get; }

src/Octokit.CodeGen/Builders/AddPropertiesForNestedClients.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http;
+using OneOf;
+
+namespace Octokit.CodeGen
+{
+    using TypeMergeFunc = System.Func<List<ApiClientFileMetadata>, List<ApiClientFileMetadata>>;
+
+    public partial class Builders
+    {
+        public static readonly TypeMergeFunc AddPropertiesForNestedClients = (clients) =>
+        {
+          return clients;
+        };
+    }
+}

src/Octokit.CodeGen/Models/DotNetApiAbstractions.cs

@@ -34,9 +34,11 @@ namespace Octokit.CodeGen
         public ApiClientMetadata()
         {
             Methods = new List<ApiMethodMetadata>();
+            Properties = new List<ApiPropertyMetadata>();
         }
         public string InterfaceName { get; set; }
         public string ClassName { get; set; }
+        public List<ApiPropertyMetadata> Properties { get;set;}
         public List<ApiMethodMetadata> Methods { get; set; }
     }
 
@@ -94,6 +96,12 @@ namespace Octokit.CodeGen
         }
     }
 
+    public class ApiPropertyMetadata
+    {
+       public string Name { get; set; }
+        public string Type { get; set; }
+    }
+
     public class ApiMethodMetadata
     {
         public ApiMethodMetadata()

src/Octokit.CodeGen/Program.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.IO;
 using System.Threading.Tasks;
 
@@ -11,7 +11,7 @@ namespace Octokit.CodeGen
             var writeFilesToDisk = Array.IndexOf(args, "--write") > -1;
 
             var filter = new PathFilter();
-            filter.Allow("/marketplace_listing/accounts/");
+            filter.Allow("/marketplace_listing/plans");
             //filter.Allow("/repos/{owner}/{repo}/topics");
 
             var apiBuilder = ApiBuilder.Default;