Change output binding model

This commit changes how output bindings are defined. There can now be
only 1 output binding at the method level. The data returned from the
function is used for that. For multiple output bindings, the properties
inside the returned type needs to have output binding attributes

Author: ankitkumarr

NuGet.Config

@@ -2,5 +2,6 @@
 <configuration>
   <packageSources>
     <add key="nuget.org" value="https://api.nuget.org/v3/index.json" protocolVersion="3" />
+    <add key="azure_app_service" value="https://www.myget.org/F/azure-appservice/api/v2" />
   </packageSources>
 </configuration>

extensions/Worker.Extensions.Abstractions/FunctionNameAttribute.cs renamed to extensions/Worker.Extensions.Abstractions/FunctionAttribute.cs

@@ -6,9 +6,9 @@
 namespace Microsoft.Azure.Functions.Worker.Extensions.Abstractions
 {
     [AttributeUsage(AttributeTargets.Method)]
-    public class FunctionNameAttribute : Attribute
+    public class FunctionAttribute : Attribute
     {
-        public FunctionNameAttribute(string name)
+        public FunctionAttribute(string name)
         {
             Name = name;
         }

extensions/Worker.Extensions.Abstractions/OutputBindingAttribute.cs

@@ -1,18 +1,22 @@
-// Copyright (c) .NET Foundation. All rights reserved.
+// Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the MIT License. See License.txt in the project root for license information.
 
 using System;
 
 namespace Microsoft.Azure.Functions.Worker.Extensions.Abstractions
 {
-    [AttributeUsage(AttributeTargets.Method)]
+    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Property)]
     public abstract class OutputBindingAttribute : BindingAttribute
     {
+        public OutputBindingAttribute()
+        {
+        }
+
         public OutputBindingAttribute(string name)
         {
             Name = name;
         }
 
-        public string Name { get; }
+        public string? Name { get; }
     }
 }

extensions/Worker.Extensions.CosmosDB/CosmosDBOutputAttribute.cs

@@ -7,6 +7,17 @@ namespace Microsoft.Azure.Functions.Worker.Extensions.CosmosDB
 {
     public sealed class CosmosDBOutputAttribute : OutputBindingAttribute
     {
+        /// <summary>
+        /// Constructs a new instance.
+        /// </summary>
+        /// <param name="databaseName">The CosmosDB database name.</param>
+        /// <param name="collectionName">The CosmosDB collection name.</param>
+        public CosmosDBOutputAttribute(string databaseName, string collectionName)
+        {
+            DatabaseName = databaseName;
+            CollectionName = collectionName;
+        }
+
         /// <summary>
         /// Constructs a new instance.
         /// </summary>

extensions/Worker.Extensions.Storage/Blobs/BlobOutputAttribute.cs

@@ -1,4 +1,4 @@
-// Copyright (c) .NET Foundation. All rights reserved.
+// Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the MIT License. See License.txt in the project root for license information.
 
 using System;
@@ -13,7 +13,7 @@ public sealed class BlobOutputAttribute : OutputBindingAttribute
         /// <summary>Initializes a new instance of the <see cref="BlobOutputAttribute"/> class.</summary>
         /// <param name="name">The name of the property to which to bind</param>
         /// <param name="blobPath">The path of the blob to which to bind.</param>
-        public BlobOutputAttribute(string name, string blobPath) : base(name)
+        public BlobOutputAttribute(string blobPath)
         {
             _blobPath = blobPath;
         }

extensions/Worker.Extensions.Storage/Queues/QueueOutputAttribute.cs

@@ -1,4 +1,4 @@
-// Copyright (c) .NET Foundation. All rights reserved.
+// Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the MIT License. See License.txt in the project root for license information.
 
 using System;
@@ -10,7 +10,7 @@ public sealed class QueueOutputAttribute : OutputBindingAttribute
     {
         private readonly string _queueName;
 
-        public QueueOutputAttribute(string name, string queueName) : base(name)
+        public QueueOutputAttribute(string queueName)
         {
             _queueName = queueName;
         }

samples/FunctionApp/Function1/Function1.cs

@@ -15,10 +15,8 @@ namespace FunctionApp
 {
     public static class Function1
     {
-
-        [FunctionName("Function1")]
-        [QueueOutput("book", "functionstesting2", Connection = "AzureWebJobsStorage")]
-        public static HttpResponseData Run(
+        [Function("Function1")]
+        public static MyOutputType Run(
             [HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = null)] HttpRequestData req,
             [BlobInput("test-samples/sample1.txt", Connection = "AzureWebJobsStorage")] string myBlob, FunctionContext context)
         {
@@ -31,14 +29,25 @@ public static HttpResponseData Run(
             response.Headers.Add("Content", "Content - Type: text / html; charset = utf - 8");
             response.WriteString("Book Sent to Queue!");
 
-            return response;
+            return new MyOutputType()
+            {
+                Book = bookVal,
+                HttpReponse = response
+            };
+        }
+
+        public class MyOutputType
+        {
+            [QueueOutput("functionstesting2", Connection = "AzureWebJobsStorage")]
+            public Book Book { get; set; }
+
+            public HttpResponseData HttpReponse { get; set; }
         }
 
         public class Book
         {
             public string name { get; set; }
             public string id { get; set; }
         }
-
     }
 }

samples/FunctionApp/Function2/Function2.cs

@@ -9,7 +9,7 @@ namespace FunctionApp
 {
     public static class Function2
     {
-        [FunctionName("Function2")]
+        [Function("Function2")]
         public static Book Run([QueueTrigger("functionstesting2", Connection = "AzureWebJobsStorage")] Book myQueueItem,
             [BlobInput("test-samples/sample1.txt", Connection = "AzureWebJobsStorage")] string myBlob)
         {

samples/FunctionApp/Function3/Function3.cs

@@ -13,19 +13,26 @@ namespace FunctionApp
 {
     public static class Function3
     {
-
-        [FunctionName("Function3")]
-        [QueueOutput("name", "functionstesting2", Connection = "AzureWebJobsStorage")]
-        public static HttpResponseData Run([HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = null)] HttpRequestData req,
+        [Function("Function3")]
+        public static MyOutputType Run([HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = null)] HttpRequestData req,
             FunctionContext context)
         {
             var response = req.CreateResponse(HttpStatusCode.OK);
             response.WriteString("Success!");
 
-            context.OutputBindings["name"] = "some name";
-
-            return response;
+            return new MyOutputType()
+            {
+                Name = "some name",
+                HttpReponse = response
+            };
         }
     }
 
+    public class MyOutputType
+    {
+        [QueueOutput("functionstesting2", Connection = "AzureWebJobsStorage")]
+        public string Name { get; set; }
+
+        public HttpResponseData HttpReponse { get; set; }
+    }
 }

samples/FunctionApp/Function4/Function4.cs

@@ -14,8 +14,7 @@ namespace FunctionApp
 {
     public static class Function4
     {
-
-        [FunctionName("Function4")]
+        [Function("Function4")]
         public static HttpResponseData Run([HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = null)] HttpRequestData req, FunctionContext executionContext)
         {
             var logger = executionContext.GetLogger("FunctionApp.Function4");