Separate cluster entities into own class files

changelogs/unreleased/refactoring-entities-file-32.yml

+---
+title: Separate cluster entities into own class files
+merge_request: 25121
+author: Rajendra Kadam
+type: added

lib/api/entities.rb

@@ -655,23 +655,6 @@ module API
       end
     end
 
-    class Cluster < Grape::Entity
-      expose :id, :name, :created_at, :domain
-      expose :provider_type, :platform_type, :environment_scope, :cluster_type
-      expose :user, using: Entities::UserBasic
-      expose :platform_kubernetes, using: Entities::Platform::Kubernetes
-      expose :provider_gcp, using: Entities::Provider::Gcp
-      expose :management_project, using: Entities::ProjectIdentity
-    end
-
-    class ClusterProject < Cluster
-      expose :project, using: Entities::BasicProjectDetails
-    end
-
-    class ClusterGroup < Cluster
-      expose :group, using: Entities::BasicGroupDetails
-    end
-
     module InternalPostReceive
       class Message < Grape::Entity
         expose :message

lib/api/entities/cluster.rb

+# frozen_string_literal: true
+
+module API
+  module Entities
+    class Cluster < Grape::Entity
+      expose :id, :name, :created_at, :domain
+      expose :provider_type, :platform_type, :environment_scope, :cluster_type
+      expose :user, using: Entities::UserBasic
+      expose :platform_kubernetes, using: Entities::Platform::Kubernetes
+      expose :provider_gcp, using: Entities::Provider::Gcp
+      expose :management_project, using: Entities::ProjectIdentity
+    end
+  end
+end

lib/api/entities/cluster_group.rb

+# frozen_string_literal: true
+
+module API
+  module Entities
+    class ClusterGroup < Entities::Cluster
+      expose :group, using: Entities::BasicGroupDetails
+    end
+  end
+end

lib/api/entities/cluster_project.rb

+# frozen_string_literal: true
+
+module API
+  module Entities
+    class ClusterProject < Entities::Cluster
+      expose :project, using: Entities::BasicProjectDetails
+    end
+  end
+end