Use primary constructors

src/Server/Bindings/ServiceBindingsController.cs

@@ -8,12 +8,9 @@ namespace OpenServiceBroker.Bindings;
 /// Exposes bindings for Service Instances.
 /// </summary>
 [Route("v2/service_instances/{instance_id}/service_bindings/{binding_id}")]
-public class ServiceBindingsController : BrokerControllerBase<IServiceBindingBlocking, IServiceBindingDeferred>
+public class ServiceBindingsController(IServiceProvider provider)
+    : BrokerControllerBase<IServiceBindingBlocking, IServiceBindingDeferred>(provider)
 {
-    public ServiceBindingsController(IServiceProvider provider)
-        : base(provider)
-    {}
-
     /// <summary>
     /// Fetches a Service Binding.
     /// </summary>

src/Server/Catalogs/CatalogController.cs

@@ -9,15 +9,8 @@ namespace OpenServiceBroker.Catalogs;
 /// Exposes a list of all services available on the Service Broker.
 /// </summary>
 [Route("v2/catalog")]
-public class CatalogController : Controller
+public class CatalogController(ICatalogService catalogService) : Controller
 {
-    private readonly ICatalogService _catalogService;
-
-    public CatalogController(ICatalogService catalogService)
-    {
-        _catalogService = catalogService;
-    }
-
     /// <summary>
     /// Gets the catalog of services that the service broker offers.
     /// </summary>
@@ -28,22 +21,22 @@ public async Task<IActionResult> Get()
         var requestHeaders = Request.GetTypedHeaders();
         var responseHeaders = Response.GetTypedHeaders();
 
-        string? eTag = (_catalogService as IETagProvider)?.ETag;
+        string? eTag = (catalogService as IETagProvider)?.ETag;
         if (!string.IsNullOrEmpty(eTag))
         {
             if (requestHeaders.IfNoneMatch?.Any(x => x.Tag.Value == eTag) ?? false)
                 return StatusCode((int) HttpStatusCode.NotModified);
             responseHeaders.ETag = new(eTag);
         }
 
-        var lastModified = (_catalogService as ILastModifiedProvider)?.LastModified;
+        var lastModified = (catalogService as ILastModifiedProvider)?.LastModified;
         if (lastModified.HasValue)
         {
             if (requestHeaders.IfModifiedSince.HasValue && requestHeaders.IfModifiedSince <= lastModified.Value)
                 return StatusCode((int) HttpStatusCode.NotModified);
             responseHeaders.LastModified = lastModified;
         }
 
-        return Ok(await _catalogService.GetCatalogAsync());
+        return Ok(await catalogService.GetCatalogAsync());
     }
 }

src/Server/Instances/ServiceInstancesController.cs

@@ -8,12 +8,9 @@ namespace OpenServiceBroker.Instances;
 /// Exposes Service Instances.
 /// </summary>
 [Route("v2/service_instances/{instance_id}")]
-public class ServiceInstancesController : BrokerControllerBase<IServiceInstanceBlocking, IServiceInstanceDeferred>
+public class ServiceInstancesController(IServiceProvider provider)
+    : BrokerControllerBase<IServiceInstanceBlocking, IServiceInstanceDeferred>(provider)
 {
-    public ServiceInstancesController(IServiceProvider provider)
-        : base(provider)
-    {}
-
     /// <summary>
     /// Fetches a Service Instance.
     /// </summary>