chore: initial repository scaffold

- Add Hrynco.RabbitMq class library with RabbitMQ client abstractions - Add Hrynco.RabbitMq.Tests xunit project - ImplicitUsings disabled on all projects Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
2026-05-01 12:25:42 +03:00
commit 5b963b25a7
11 changed files with 325 additions and 0 deletions
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+namespace Hrynco.RabbitMq;
+
+using System.Text;
+using System.Text.Json;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using RabbitMQ.Client;
+
+public sealed class RabbitMqPublisher : IRabbitMqPublisher
+{
+    private readonly IOptionsMonitor<RabbitMqSettings> _options;
+    private readonly string _settingsName;
+    private readonly ILogger<RabbitMqPublisher> _logger;
+
+    /// <param name="options">Named options monitor for <see cref="RabbitMqSettings"/>.</param>
+    /// <param name="logger">Logger.</param>
+    /// <param name="settingsName">
+    /// Name of the <see cref="RabbitMqSettings"/> instance to use.
+    /// Defaults to <see cref="Options.DefaultName"/> (i.e. the unnamed instance).
+    /// </param>
+    public RabbitMqPublisher(
+        IOptionsMonitor<RabbitMqSettings> options,
+        ILogger<RabbitMqPublisher> logger,
+        string? settingsName = null)
+    {
+        _options = options;
+        _logger = logger;
+        _settingsName = settingsName ?? Options.DefaultName;
+    }
+
+    private RabbitMqSettings Settings => _options.Get(_settingsName);
+
+    public async Task PublishAsync<TData>(string queue, IRabbitMqMessage<TData> message, CancellationToken cancellationToken = default)
+    {
+        var factory = BuildFactory(Settings);
+
+        await using var connection = await factory.CreateConnectionAsync(cancellationToken);
+        await using var channel = await connection.CreateChannelAsync(cancellationToken: cancellationToken);
+
+        await channel.QueueDeclareAsync(queue, durable: true, exclusive: false, autoDelete: false,
+            cancellationToken: cancellationToken);
+
+        var body = Encoding.UTF8.GetBytes(JsonSerializer.Serialize(message));
+
+        var props = new BasicProperties
+        {
+            Persistent = true,
+            ContentType = "application/json"
+        };
+
+        await channel.BasicPublishAsync(exchange: "", routingKey: queue, mandatory: false,
+            basicProperties: props, body: body, cancellationToken: cancellationToken);
+
+        _logger.LogDebug("Published to queue {Queue} [CorrelationId={CorrelationId}]",
+            queue, message.CorrelationContext?.CorrelationId);
+    }
+
+    private static ConnectionFactory BuildFactory(RabbitMqSettings s) => new()
+    {
+        HostName = s.Host,
+        Port = s.Port,
+        UserName = s.User,
+        Password = s.Password,
+        VirtualHost = s.VirtualHost
+    };
+}