| | | 1 | | using Microsoft.Extensions.Options; |
| | | 2 | | |
| | | 3 | | namespace AsyncResponse.Transports.RabbitMQ; |
| | | 4 | | |
| | 3 | 5 | | internal sealed class RabbitMqReplyTargetProvider( |
| | 3 | 6 | | IOptions<RabbitMqAsyncResponseOptions> _options) : IAsyncResponseReplyTargetProvider |
| | | 7 | | { |
| | | 8 | | /// <summary>Gets the configured reply target.</summary> |
| | | 9 | | public AsyncResponseReplyTarget GetReplyTarget(string? name = null) |
| | | 10 | | { |
| | 3 | 11 | | var options = _options.Value; |
| | 3 | 12 | | var targetName = string.IsNullOrWhiteSpace(name) |
| | 3 | 13 | | ? options.DefaultReplyTargetName |
| | 3 | 14 | | : name; |
| | | 15 | | |
| | 3 | 16 | | var target = ResolveTarget(options, targetName); |
| | 3 | 17 | | var exchange = RabbitMqOptionsValidator.Required( |
| | 3 | 18 | | target.Exchange, |
| | 3 | 19 | | $"{nameof(RabbitMqReplyTargetOptions)}.{nameof(RabbitMqReplyTargetOptions.Exchange)}"); |
| | 3 | 20 | | var routingKey = RabbitMqOptionsValidator.Required( |
| | 3 | 21 | | target.RoutingKey, |
| | 3 | 22 | | $"{nameof(RabbitMqReplyTargetOptions)}.{nameof(RabbitMqReplyTargetOptions.RoutingKey)}"); |
| | 3 | 23 | | var queue = target.Queue ?? options.ResponseQueue; |
| | | 24 | | |
| | 3 | 25 | | var properties = new Dictionary<string, string>(target.Properties, StringComparer.Ordinal) |
| | 3 | 26 | | { |
| | 3 | 27 | | ["exchange"] = exchange, |
| | 3 | 28 | | ["routingKey"] = routingKey |
| | 3 | 29 | | }; |
| | | 30 | | |
| | 3 | 31 | | if (!string.IsNullOrWhiteSpace(queue)) |
| | 3 | 32 | | properties["queue"] = queue; |
| | | 33 | | |
| | 3 | 34 | | return new AsyncResponseReplyTarget |
| | 3 | 35 | | { |
| | 3 | 36 | | Name = targetName, |
| | 3 | 37 | | Transport = RabbitMqAsyncResponseOptions.TransportName, |
| | 3 | 38 | | Address = $"{exchange}:{routingKey}", |
| | 3 | 39 | | Properties = properties |
| | 3 | 40 | | }; |
| | | 41 | | } |
| | | 42 | | |
| | | 43 | | private static RabbitMqReplyTargetOptions ResolveTarget( |
| | | 44 | | RabbitMqAsyncResponseOptions options, |
| | | 45 | | string targetName) |
| | | 46 | | { |
| | 3 | 47 | | if (options.ReplyTargets.TryGetValue(targetName, out var configured)) |
| | 3 | 48 | | return configured; |
| | | 49 | | |
| | 3 | 50 | | if (StringComparer.Ordinal.Equals(targetName, options.DefaultReplyTargetName) |
| | 3 | 51 | | && !string.IsNullOrWhiteSpace(options.ResponseExchange) |
| | 3 | 52 | | && !string.IsNullOrWhiteSpace(options.ResponseRoutingKey)) |
| | | 53 | | { |
| | 3 | 54 | | return new RabbitMqReplyTargetOptions |
| | 3 | 55 | | { |
| | 3 | 56 | | Exchange = options.ResponseExchange, |
| | 3 | 57 | | RoutingKey = options.ResponseRoutingKey, |
| | 3 | 58 | | Queue = options.ResponseQueue |
| | 3 | 59 | | }; |
| | | 60 | | } |
| | | 61 | | |
| | 2 | 62 | | throw new InvalidOperationException( |
| | 2 | 63 | | $"RabbitMQ async-response reply target '{targetName}' is not configured. " + |
| | 2 | 64 | | $"Configure {nameof(RabbitMqAsyncResponseOptions.ResponseExchange)} and " + |
| | 2 | 65 | | $"{nameof(RabbitMqAsyncResponseOptions.ResponseRoutingKey)} for the default target " + |
| | 2 | 66 | | $"or add a named target with {nameof(RabbitMqAsyncResponseOptions.AddReplyTarget)}."); |
| | | 67 | | } |
| | | 68 | | } |