first pass at deserializer

Author: jaredcnance

JsonApiDotNetCore/Abstractions/ModelAccessor.cs

@@ -1,7 +1,9 @@
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
 using JsonApiDotNetCore.Extensions;
+using JsonApiDotNetCore.JsonApi;
 
 namespace JsonApiDotNetCore.Abstractions
 {
@@ -18,5 +20,22 @@ public static Type GetTypeFromModelRelationshipName(Type modelType, string relat
       }
       return relationshipType;
     }
+
+    public static object SetValuesOnModelInstance(object model, Dictionary<string, object> jsonApiAttributes)
+    {
+      var modelProperties = model.GetType().GetProperties().ToList();
+      foreach (var attribute in jsonApiAttributes)
+      {
+        modelProperties.ForEach(pI =>
+        {
+          if (pI.Name.ToProperCase() == attribute.Key.ToProperCase())
+          {
+            var convertedValue = Convert.ChangeType(attribute.Value, pI.PropertyType);
+            pI.SetValue(model, convertedValue);
+          }
+        });
+      }
+      return model;
+    }
   }
 }

JsonApiDotNetCore/JsonApi/DocumentBuilder.cs

@@ -105,6 +105,13 @@ private Dictionary<string, string> BuildSelfLink(string protocol, string host, s
       };
     }
 
+    private Dictionary<string, string> GetRelationshipLinks(IJsonApiResource resource, string relationshipName)
+    {
+      return BuildRelationshipLinks(_context.HttpContext.Request.Scheme,
+        _context.HttpContext.Request.Host.ToString(), _context.Configuration.Namespace,
+       _context.GetEntityName(), resource.Id, relationshipName);
+    }
+
     private Dictionary<string, string> BuildRelationshipLinks(string protocol, string host, string nameSpace, string resourceCollectionName, string resourceId, string relationshipName)
     {
       return new Dictionary<string, string>
@@ -113,12 +120,5 @@ private Dictionary<string, string> BuildRelationshipLinks(string protocol, strin
         {"related", $"{protocol}://{host}/{nameSpace}/{resourceCollectionName}/{resourceId}/{relationshipName}"}
       };
     }
-
-    private Dictionary<string, string> GetRelationshipLinks(IJsonApiResource resource, string relationshipName)
-    {
-      return BuildRelationshipLinks(_context.HttpContext.Request.Scheme,
-        _context.HttpContext.Request.Host.ToString(), _context.Configuration.Namespace,
-       _context.GetEntityName(), resource.Id, relationshipName);
-    }
   }
 }

JsonApiDotNetCore/JsonApi/JsonApiDocument.cs

@@ -2,9 +2,10 @@
 
 namespace JsonApiDotNetCore.JsonApi
 {
-    public class JsonApiDocument
-    {
-        public Dictionary<string, string> Links { get; set; }
-        public object Data { get; set; }
-    }
+  public class JsonApiDocument
+  {
+    public Dictionary<string, string> Links { get; set; }
+    // Data could be List<JsonApiDatum> or JsonApiDatum
+    public object Data { get; set; }
+  }
 }

JsonApiDotNetCore/Routing/Router.cs

@@ -56,7 +56,7 @@ private ObjectResult ActivateControllerMethod(JsonApiController controller)
         case "GET":
           return string.IsNullOrEmpty(route.ResourceId) ? controller.Get() : controller.Get(route.ResourceId);
         case "POST":
-          return controller.Post(null);
+          return controller.Post(new JsonApiDeserializer(_jsonApiContext).GetEntity());
         case "PUT":
           return controller.Put(route.ResourceId, null);
         case "DELETE":

JsonApiDotNetCore/Services/JsonApiDeserializer.cs

@@ -1,21 +1,34 @@
 using System;
+using System.IO;
 using JsonApiDotNetCore.Abstractions;
 using JsonApiDotNetCore.Configuration;
+using JsonApiDotNetCore.JsonApi;
+using Newtonsoft.Json;
 
 namespace JsonApiDotNetCore.Services
 {
   public class JsonApiDeserializer
   {
     private readonly JsonApiContext _context;
-    private readonly JsonApiModelConfiguration _jsonApiModelConfiguration;
-    private readonly string _entityName;
-    private readonly Type _entityType;
-    public JsonApiDeserializer(JsonApiContext jsonApiContext, JsonApiModelConfiguration configuration)
+    public JsonApiDeserializer(JsonApiContext jsonApiContext)
     {
       _context = jsonApiContext;
-      _jsonApiModelConfiguration = configuration;
-      _entityName = jsonApiContext.GetEntityName();
-      _entityType = jsonApiContext.GetEntityType();
+    }
+
+    public object GetEntityFromRequest()
+    {
+      var body = GetRequestBody(_context.HttpContext.Request.Body);
+      var document = JsonConvert.DeserializeObject<JsonApiDocument>(body);
+      var entity = Activator.CreateInstance(_context.GetEntityType());
+      return ModelAccessor.SetValuesOnModelInstance(entity, ((JsonApiDatum) document.Data).Attributes);
+    }
+
+    private static string GetRequestBody(Stream body)
+    {
+      using (var reader = new StreamReader(body))
+      {
+        return reader.ReadToEnd();
+      }
     }
   }
 }