fix(deserialization): deserialize operations document

Author: jaredcnance

src/JsonApiDotNetCore/Extensions/IServiceCollectionExtensions.cs

@@ -129,7 +129,6 @@ public static void AddJsonApiInternals(
             services.AddScoped<IJsonApiWriter, JsonApiWriter>();
             services.AddScoped<IJsonApiDeSerializer, JsonApiDeSerializer>();
             services.AddScoped<IJsonApiReader, JsonApiReader>();
-            services.AddScoped<IJsonApiOperationsReader, JsonApiOperationsReader>();
             services.AddScoped<IGenericProcessorFactory, GenericProcessorFactory>();
             services.AddScoped(typeof(GenericProcessor<>));
             services.AddScoped(typeof(GenericProcessor<,>));

src/JsonApiDotNetCore/Formatters/JsonApiOperationsReader.cs

@@ -36,6 +36,7 @@ public Task<InputFormatterResult> ReadAsync(InputFormatterContext context)
             try
             {
                 var body = GetRequestBody(context.HttpContext.Request.Body);
+
                 var model = _jsonApiContext.IsRelationshipPath ?
                     _deSerializer.DeserializeRelationship(body) :
                     _deSerializer.Deserialize(body);
@@ -67,4 +68,4 @@ private string GetRequestBody(Stream body)
             }
         }
     }
-}
+}

src/JsonApiDotNetCore/Formatters/JsonApiReader.cs

@@ -5,6 +5,7 @@
 using JsonApiDotNetCore.Internal;
 using JsonApiDotNetCore.Internal.Generics;
 using JsonApiDotNetCore.Models;
+using JsonApiDotNetCore.Models.Operations;
 using JsonApiDotNetCore.Services;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
@@ -28,7 +29,20 @@ public object Deserialize(string requestBody)
         {
             try
             {
-                var document = JsonConvert.DeserializeObject<Document>(requestBody);
+                // TODO: determine whether or not the token should be re-used rather than performing full
+                // deserialization again from the string
+                var bodyJToken = JToken.Parse(requestBody);
+                if(bodyJToken.SelectToken("operations") != null)
+                {
+                    var operations = JsonConvert.DeserializeObject<OperationsDocument>(requestBody);
+                    if (operations == null)
+                        throw new JsonApiException(400, "Failed to deserialize operations request.");
+
+                    return operations;
+                }
+
+                var document = bodyJToken.ToObject<Document>();
+
                 _jsonApiContext.DocumentMeta = document.Meta;
                 var entity = DocumentToObject(document.Data);
                 return entity;
@@ -63,7 +77,7 @@ public List<TEntity> DeserializeList<TEntity>(string requestBody)
             try
             {
                 var documents = JsonConvert.DeserializeObject<Documents>(requestBody);
-
+                
                 var deserializedList = new List<TEntity>();
                 foreach (var data in documents.Data)
                 {

src/JsonApiDotNetCore/Serialization/JsonApiDeSerializer.cs

@@ -1,8 +1,8 @@
 using System;
 using System.Collections.Generic;
 using System.Threading.Tasks;
+using JsonApiDotNetCore.Data;
 using JsonApiDotNetCore.Internal;
-using JsonApiDotNetCore.Models;
 using JsonApiDotNetCore.Models.Operations;
 using JsonApiDotNetCore.Models.Pointers;
 using Microsoft.EntityFrameworkCore;
@@ -21,10 +21,10 @@ public class OperationsProcessor : IOperationsProcessor
 
         public OperationsProcessor(
             IOperationProcessorResolver processorResolver,
-            DbContext dbContext)
+            IDbContextResolver dbContextResolver)
         {
             _processorResolver = processorResolver;
-            _dbContext = dbContext;
+            _dbContext = dbContextResolver.GetContext();
         }
 
         public async Task<List<Operation>> ProcessAsync(List<Operation> inputOps)