Support SNS batch publishing

Directory.Build.props

@@ -22,7 +22,7 @@
     <Copyright>Copyright (c) Just Eat 2015-$([System.DateTime]::Now.ToString(yyyy))</Copyright>
     <Deterministic>true</Deterministic>
     <Description>A light-weight message bus on top of AWS SNS and SQS</Description>
-    <MinVerMinimumMajorMinor>7.1</MinVerMinimumMajorMinor>
+    <MinVerMinimumMajorMinor>7.2</MinVerMinimumMajorMinor>
     <MinVerTagPrefix>v</MinVerTagPrefix>
     <MinVerSkip Condition=" '$(Configuration)' == 'Debug' ">true</MinVerSkip>
     <EmbedUntrackedSources>true</EmbedUntrackedSources>

Directory.Packages.props

@@ -1,8 +1,8 @@
 <Project>
   <ItemGroup Label="Libraries">
     <PackageVersion Include="AWSSDK.Extensions.NETCore.Setup" Version="3.7.300" />
-    <PackageVersion Include="AWSSDK.SimpleNotificationService" Version="3.7.0" />
-    <PackageVersion Include="AWSSDK.SQS" Version="3.7.0" />
+    <PackageVersion Include="AWSSDK.SimpleNotificationService" Version="3.7.300" />
+    <PackageVersion Include="AWSSDK.SQS" Version="3.7.300" />
     <PackageVersion Include="Microsoft.Bcl.AsyncInterfaces" Version="1.1.1" />
     <PackageVersion Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="1.1.0" Condition=" '$(TargetFramework)' == 'net461' " />

JustSaying.sln

@@ -1,6 +1,6 @@
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
-VisualStudioVersion = 17.8.34330.188
+VisualStudioVersion = 17.8.34525.116
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{4B4A4A0C-31C2-482B-A7D8-094C60C4D0B5}"
 	ProjectSection(SolutionItems) = preProject
@@ -35,8 +35,10 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "JustSaying.Tools", "src\Jus
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = ".github", ".github", "{F0BCBE5F-2132-422D-B17B-23B7FCC4A8A8}"
 	ProjectSection(SolutionItems) = preProject
+		.github\actionlint-matcher.json = .github\actionlint-matcher.json
 		.github\CODEOWNERS = .github\CODEOWNERS
 		.github\CONTRIBUTING.md = .github\CONTRIBUTING.md
+		.github\dependabot.yml = .github\dependabot.yml
 		.github\ISSUE_TEMPLATE.md = .github\ISSUE_TEMPLATE.md
 		.github\PULL_REQUEST_TEMPLATE.md = .github\PULL_REQUEST_TEMPLATE.md
 		.github\stale.yml = .github\stale.yml
@@ -81,6 +83,18 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "JustSaying.Extensions.Aws",
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "JustSaying.Extensions.Aws.Tests", "tests\JustSaying.Extensions.Aws.Tests\JustSaying.Extensions.Aws.Tests.csproj", "{1B99B357-5D76-4540-B28E-B6CD3F6F1963}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "workflows", "workflows", "{C91A9AE0-10A6-41FE-89CB-058E24CF02D3}"
+	ProjectSection(SolutionItems) = preProject
+		.github\workflows\approve-and-merge.yml = .github\workflows\approve-and-merge.yml
+		.github\workflows\build.yml = .github\workflows\build.yml
+		.github\workflows\code-ql.yml = .github\workflows\code-ql.yml
+		.github\workflows\dependabot-approve.yml = .github\workflows\dependabot-approve.yml
+		.github\workflows\dependency-review.yml = .github\workflows\dependency-review.yml
+		.github\workflows\lint-actions.yml = .github\workflows\lint-actions.yml
+		.github\workflows\scorecard.yml = .github\workflows\scorecard.yml
+		.github\workflows\update-dotnet-sdk.yml = .github\workflows\update-dotnet-sdk.yml
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -176,6 +190,7 @@ Global
 		{38DAC394-0A6E-4BB6-BCFC-8C21D2C64B3A} = {77C93C37-DE5B-448F-9A23-6C9D0C8465CA}
 		{4EFC48D7-4B45-4EBC-9237-4B84FE8239E0} = {A94633F2-29F2-48C6-840A-C5370B300AE2}
 		{1B99B357-5D76-4540-B28E-B6CD3F6F1963} = {E22A50F2-9952-4483-8AD1-09BE354FB3E4}
+		{C91A9AE0-10A6-41FE-89CB-058E24CF02D3} = {F0BCBE5F-2132-422D-B17B-23B7FCC4A8A8}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {18FBDF85-C124-4444-9F03-D0D4F2B3A612}

samples/src/JustSaying.Sample.Restaurant.OrderingApi/Program.cs

@@ -74,9 +74,13 @@
     builder.Services.AddHostedService<BusService>();
 
     builder.Services.AddEndpointsApiExplorer();
-    builder.Services.AddSwaggerGen(c =>
+    builder.Services.AddSwaggerGen(options =>
     {
-        c.SwaggerDoc("v1", new OpenApiInfo { Title = "Restaurant Ordering API", Version = "v1" });
+        options.SwaggerDoc("v1", new OpenApiInfo
+        {
+            Title = "Restaurant Ordering API",
+            Version = "v1"
+        });
     });
 
     var app = builder.Build();
@@ -108,6 +112,28 @@
             app.Logger.LogInformation("Order {orderId} placed", orderId);
         });
 
+    app.MapPost("api/multi-orders",
+        async (IReadOnlyCollection<CustomerOrderModel> orders, IMessageBatchPublisher publisher) =>
+        {
+            app.Logger.LogInformation("Orders received: {@Orders}", orders);
+
+            // Save order to database generating OrderId
+            var message = orders.Select(order =>
+                {
+                    var orderId = Random.Shared.Next(1, 100);
+                    return new OrderPlacedEvent
+                    {
+                        OrderId = orderId,
+                        Description = order.Description
+                    };
+                })
+                .ToList();
+
+            await publisher.PublishAsync(message);
+
+            app.Logger.LogInformation("Order {@OrderIds} placed", message.Select(x => x.OrderId));
+        });
+
     await app.RunAsync();
 }
 catch (Exception e)

src/JustSaying.Extensions.DependencyInjection.Microsoft/IServiceCollectionExtensions.cs

@@ -3,6 +3,7 @@
 using JustSaying.AwsTools;
 using JustSaying.AwsTools.QueueCreation;
 using JustSaying.Fluent;
+using JustSaying.Messaging;
 using JustSaying.Messaging.Channels.Receive;
 using JustSaying.Messaging.MessageHandling;
 using JustSaying.Messaging.MessageSerialization;
@@ -125,7 +126,10 @@ public static IServiceCollection AddJustSaying(this IServiceCollection services,
 
         services.TryAddSingleton<IAwsClientFactory, DefaultAwsClientFactory>();
         services.TryAddSingleton<IAwsClientFactoryProxy>((p) => new AwsClientFactoryProxy(p.GetRequiredService<IAwsClientFactory>));
-        services.TryAddSingleton<IMessagingConfig, MessagingConfig>();
+        services.TryAddSingleton<MessagingConfig>();
+        services.TryAddSingleton<IMessagingConfig>((p) => p.GetRequiredService<MessagingConfig>());
+        services.TryAddSingleton<IPublishConfiguration>((p) => p.GetRequiredService<MessagingConfig>());
+        services.TryAddSingleton<IPublishBatchConfiguration>((p) => p.GetRequiredService<MessagingConfig>());
         services.TryAddSingleton<IMessageMonitor, NullOpMessageMonitor>();
 
         services.TryAddTransient<LoggingMiddleware>();
@@ -173,6 +177,20 @@ public static IServiceCollection AddJustSaying(this IServiceCollection services,
                 return builder.BuildPublisher();
             });
 
+        services.TryAddSingleton(
+            (serviceProvider) =>
+            {
+                var publisher = serviceProvider.GetRequiredService<IMessagePublisher>();
+
+                if (publisher is IMessageBatchPublisher batchPublisher)
+                {
+                    return batchPublisher;
+                }
+
+                var builder = serviceProvider.GetRequiredService<MessagingBusBuilder>();
+                return builder.BuildBatchPublisher();
+            });
+
         services.TryAddSingleton(
             (serviceProvider) =>
             {

src/JustSaying.Extensions.DependencyInjection.StructureMap/ConfigurationExpressionExtensions.cs

@@ -45,7 +45,7 @@
 
         if (string.IsNullOrWhiteSpace(region))
         {
-            throw new ArgumentException("region must not be null or empty" ,nameof(region));
+            throw new ArgumentException("region must not be null or empty", nameof(region));
         }
 
         registry.AddJustSaying(
@@ -131,6 +131,23 @@
                     return builder.BuildPublisher();
                 });
 
+        registry
+            .For<IMessageBatchPublisher>()
+            .Singleton()
+            .Use(
+                nameof(IMessageBatchPublisher),
+                context =>
+                {
+                    var publisher = context.GetInstance<IMessagePublisher>();
+                    if (publisher is IMessageBatchPublisher batchPublisher)
+                    {
+                        return batchPublisher;
+                    }
+
+                    var builder = context.GetInstance<MessagingBusBuilder>();
+                    return builder.BuildBatchPublisher();
+                });
+
         registry
             .For<IMessagingBus>()
             .Singleton()

src/JustSaying.Extensions.DependencyInjection.StructureMap/JustSayingRegistry.cs

@@ -29,7 +29,9 @@ public JustSayingRegistry()
 
         For<IAwsClientFactory>().Use<DefaultAwsClientFactory>().Singleton();
         For<IAwsClientFactoryProxy>().Use((p) => new AwsClientFactoryProxy(p.GetInstance<IAwsClientFactory>)).Singleton();
-        For<IMessagingConfig>().Use<MessagingConfig>().Singleton();
+        For<MessagingConfig>().Use<MessagingConfig>().Singleton();
+        For<IMessagingConfig>().Use(context => context.GetInstance<MessagingConfig>()).Singleton();
+        For<IPublishBatchConfiguration>().Use<MessagingConfig>(context => context.GetInstance<MessagingConfig>()).Singleton();
         For<IMessageMonitor>().Use<NullOpMessageMonitor>().Singleton();
         For<IMessageSerializationFactory>().Use<NewtonsoftSerializationFactory>().Singleton();
         For<IMessageSubjectProvider>().Use<GenericMessageSubjectProvider>().Singleton();

src/JustSaying/AwsTools/JustSayingConstants.cs

@@ -72,4 +72,12 @@ public static class JustSayingConstants
     /// Default length of time for which Amazon SQS can reuse a data key to encrypt/decrypt messages before calling AWS KMS again.
     /// </summary>
     public static TimeSpan DefaultAttributeEncryptionKeyReusePeriod => TimeSpan.FromMinutes(5);
+
+    /// <summary>
+    /// The maximum SNS batch size.
+    /// </summary>
+    /// <remarks>
+    /// The default vaule is 10. See https://docs.aws.amazon.com/sns/latest/dg/sns-batch-api-actions.html.
+    /// </remarks>
+    public static int MaximumSnsBatchSize => 10;
 }

src/JustSaying/AwsTools/MessageHandling/MessageBatchResponse.cs

@@ -0,0 +1,30 @@
+using System.Net;
+using Amazon.Runtime;
+
+namespace JustSaying.AwsTools.MessageHandling;
+
+/// <summary>
+/// A class representing the response from publishing a batch of messages.
+/// </summary>
+public class MessageBatchResponse
+{
+    /// <summary>
+    /// Gets or sets the Ids of the messages that were successfully published.
+    /// </summary>
+    public IReadOnlyCollection<string> SuccessfulMessageIds { get; set; }
+
+    /// <summary>
+    /// Gets or sets the Ids of the messages that failed to publish.
+    /// </summary>
+    public IReadOnlyCollection<string> FailedMessageIds { get; set; }
+
+    /// <summary>
+    /// Gets or sets the response metadata.
+    /// </summary>
+    public ResponseMetadata ResponseMetadata { get; set; }
+
+    /// <summary>
+    /// Gets or sets the HTTP status code returned from the publish attempt, if any.
+    /// </summary>
+    public HttpStatusCode? HttpStatusCode { set; get; }
+}

src/JustSaying/AwsTools/MessageHandling/PublishBatchException.cs

@@ -0,0 +1,58 @@
+#if NETFRAMEWORK
+using System.Runtime.Serialization;
+#endif
+
+namespace JustSaying.AwsTools.MessageHandling;
+
+/// <summary>
+/// Represents errors that occur publishing a batch of messages.
+/// </summary>
+#if NETFRAMEWORK
+[Serializable]
+#endif
+public class PublishBatchException : PublishException
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="PublishBatchException"/> class.
+    /// </summary>
+    public PublishBatchException()
+        : base("Failed to publish batch of messages")
+    {
+    }
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="PublishBatchException"/> class.
+    /// </summary>
+    /// <param name="message">The message that describes the error.</param>
+    public PublishBatchException(string message)
+        : base(message)
+    {
+    }
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="PublishBatchException"/> class.
+    /// </summary>
+    /// <param name="message">The message that describes the error.</param>
+    /// <param name="inner">The exception that is the cause of the current exception, if any.</param>
+    public PublishBatchException(string message, Exception inner)
+        : base(message, inner)
+    {
+    }
+
+#if NETFRAMEWORK
+    /// <summary>
+    /// Initializes a new instance of the <see cref="PublishBatchException"/> class.
+    /// </summary>
+    /// <param name="info">
+    /// The <see cref="SerializationInfo"/> that holds the serialized object data
+    /// about the exception being thrown.
+    /// </param>
+    /// <param name="context">
+    /// The <see cref="StreamingContext"/> that contains contextual information about the source or destination.
+    /// </param>
+    protected PublishBatchException(SerializationInfo info, StreamingContext context)
+        : base(info, context)
+    {
+    }
+#endif
+}