public SqsPollerHostedService(
AmazonSQSClient amazonSqsClient,
SqsPoolerConfig config,
IConsumerResolver consumerResolver,
ILogger <SqsPollerHostedService> logger)
{
_amazonSqsClient = amazonSqsClient;
_config = config;
_consumerResolver = consumerResolver;
_logger = logger;
}
private static AmazonSQSConfig CreateSqsConfig(SqsPoolerConfig config)
{
var amazonSqsConfig = new AmazonSQSConfig
{
ServiceURL = config.ServiceUrl
};
if (!string.IsNullOrEmpty(config.Region))
{
amazonSqsConfig.RegionEndpoint = RegionEndpoint.GetBySystemName(config.Region);
}
return(amazonSqsConfig);
}
public static IServiceCollection AddSqsPoller(
this IServiceCollection services, SqsPoolerConfig config, Assembly[] assembliesWithConsumers)
{
services.AddSingleton(config);
services.AddSingleton <IConsumerResolver, ConsumerResolver>();
services.AddSingleton(provider => new AmazonSQSClient(CreateSqsConfig(config)));
services.AddTransient <IHostedService, SqsPollerHostedService>();
var types = assembliesWithConsumers.SelectMany(assembly => assembly.GetTypes())
.Where(type => type.IsClass && typeof(IConsumer).IsAssignableFrom(type))
.ToArray();
foreach (var type in types)
{
services.AddSingleton(typeof(IConsumer), type);
}
return(services);
}