implemented rabbitmq

api/Controllers/PersonController.cs

@@ -2,14 +2,16 @@ using Microsoft.AspNetCore.Mvc;
 using api.Services;
 using api.DTOs;
 using Microsoft.EntityFrameworkCore;
+using api.RabbitMQ;
 
 namespace api.Controllers
 {
     [ApiController]
     [Route("api/[controller]")]
-    public class PersonController(IPersonService personService) : ControllerBase
+    public class PersonController(IPersonService personService, IMessageProducer messagePublisher) : ControllerBase
     {
         private readonly IPersonService _personService = personService;
+        private readonly IMessageProducer _messagePublisher = messagePublisher;
 
         [HttpGet]
         public async Task<IActionResult> GetAll()
@@ -37,9 +39,9 @@ namespace api.Controllers
         {
             try
             {
-            await _personService.AddPersonAsync(personDto);
+                await _personService.AddPersonAsync(personDto);
-            return CreatedAtAction(nameof(GetByUsername), new { username = personDto.Username }, personDto);
+                _messagePublisher.SendMessage<PersonDto>(personDto);
-                
+                return CreatedAtAction(nameof(GetByUsername), new { username = personDto.Username }, personDto);
             }
             catch (ArgumentException ex)
             {

api/Program.cs

@@ -2,6 +2,8 @@ using Microsoft.EntityFrameworkCore;
 using api.Data;
 using api.Repositories;
 using api.Services;
+using RabbitMQ.Client;
+using api.RabbitMQ;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -17,6 +19,8 @@ builder.Services.AddDbContext<AppDbContext>(options => options.UseNpgsql(builder
 builder.Services.AddScoped<IPersonRepository, PersonRepository>();
 builder.Services.AddScoped<IPersonService, PersonService>();
 
+builder.Services.AddSingleton<IMessageProducer, RabbitMQProducer>();
+
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen();
 

api/RabbitMQ/IMessageProducer.cs

@@ -0,0 +1,7 @@
+namespace api.RabbitMQ
+{
+    public interface IMessageProducer
+    {
+        void SendMessage<T> (T message);
+    }
+}

api/RabbitMQ/RabbitMQProducer.cs

@@ -0,0 +1,32 @@
+using api.DTOs;
+using RabbitMQ.Client;
+using System.Text;
+using System.Text.Json;
+
+namespace api.RabbitMQ;
+
+public class RabbitMQProducer : IMessageProducer
+{
+    private IChannel? channel;
+    private readonly string personQueueName = "persons"; 
+    public async void SendMessage<T>(T message)
+    {
+        if (channel == null)
+        {
+            ConnectionFactory factory = new ConnectionFactory
+            {
+                Uri = new Uri("amqp://guest:guest@localhost:5672")
+            };
+
+            IConnection conn = await factory.CreateConnectionAsync();
+            channel = await conn.CreateChannelAsync();
+            await channel.QueueDeclareAsync(personQueueName);
+        }
+        if (message is PersonDto)
+        {
+            string jsonString = JsonSerializer.Serialize(message);
+            byte[] body = Encoding.UTF8.GetBytes(jsonString);
+            _ = channel.BasicPublishAsync(exchange: "", routingKey: personQueueName, body: body);
+        }
+    }
+}

api/api.csproj

@@ -11,6 +11,7 @@
     <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="10.0.11" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="10.0.11" />
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="10.0.3" />
+    <PackageReference Include="RabbitMQ.Client" Version="7.2.2" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="10.2.3" />
   </ItemGroup>