Fíx: quota check for any resource (rpdm/issues#71)

src/Blob/Controllers/BlobController.cs

@@ -109,16 +109,20 @@ namespace Coscine.Api.Blob.Controllers
                 return BadRequest("User does not have permission to the resource.");
             }
 
-            if ((resource.Type.DisplayName.ToLower() == "rds" || resource.Type.DisplayName.ToLower() == "rdss3") && resource.ResourceTypeOptionId.HasValue)
-            {
-                try
-                {
+
             var resourceTypeOptions = _resourceModel.GetResourceTypeOptions(resource.Id);
             var resourceTypeDefinition = ResourceTypeFactory.CreateResourceTypeObject(resource.Type.DisplayName, _configuration);
             if (resourceTypeDefinition == null)
             {
                 return BadRequest($"No provider for: \"{resource.Type.DisplayName}\".");
             }
+
+            var resourceTypeInformation = resourceTypeDefinition.GetResourceTypeInformation().Result;
+
+            if (resource.ResourceTypeOptionId.HasValue && resourceTypeInformation.IsQuotaAvailable)
+            {
+                try
+                {
                     var totalFileSize = resourceTypeDefinition.GetResourceQuotaUsed(resourceId, resourceTypeOptions).Result;
                     return Ok($"{{ \"data\": {{ \"usedSizeByte\": {totalFileSize} }}}}");
                 }
@@ -130,7 +134,7 @@ namespace Coscine.Api.Blob.Controllers
             }
             else
             {
-                return BadRequest("The resource type must be rds.");
+                return BadRequest("The resource quota must be adjustable.");
             }
         }