Move turbo stream logic to own concern

src/marten_turbo/handlers/concerns/turbo_streamable.cr

@@ -0,0 +1,38 @@
+module MartenTurbo
+  module Handlers
+    # Provides the ability to generate turbo stream responses with the content of rendered templates.
+    module TurboStreamable
+      macro included
+        # Returns the configured turbo stream template name.
+        class_getter turbo_stream_name : String?
+
+        extend MartenTurbo::Handlers::TurboStreamable::ClassMethods
+      end
+
+      module ClassMethods
+        # Allows to configure the turbo stream template that should be rendered by the handler.
+        def turbo_stream_name(turbo_stream_name : String?)
+          @@turbo_stream_name = turbo_stream_name
+        end
+      end
+
+      def render_turbo_stream(
+        context : Hash | NamedTuple | Nil | Marten::Template::Context = nil,
+        status : ::HTTP::Status | Int32 = 200
+      )
+        render(turbo_stream_name.not_nil!, context: context, status: status)
+      end
+
+      def turbo_stream_name : String | Nil
+        self.class.turbo_stream_name
+      end
+
+      def render_turbo_stream(
+        context : Hash | NamedTuple | Nil | Marten::Template::Context = nil,
+        status : ::HTTP::Status | Int32 = 200
+      )
+        render(turbo_stream_name.not_nil!, context: context, status: status)
+      end
+    end
+  end
+end

src/marten_turbo/handlers/record_create.cr

@@ -1,3 +1,5 @@
+require "./concerns/turbo_streamable"
+
 module MartenTurbo
   module Handlers
     # Handler for creating model records, with optional Turbo Stream support.
@@ -20,7 +22,8 @@ module MartenTurbo
     # end
     # ```
     class RecordCreate < Marten::Handlers::RecordCreate
-      class_getter turbo_stream_name : String?
+      include TurboStreamable
+
       class_getter record_context_name : String = "record"
 
       def self.record_context_name(name : String | Symbol)
@@ -38,21 +41,6 @@ module MartenTurbo
           Marten::HTTP::Response::Found.new success_url
         end
       end
-
-      def render_turbo_stream(
-        context : Hash | NamedTuple | Nil | Marten::Template::Context = nil,
-        status : ::HTTP::Status | Int32 = 200
-      )
-        render(turbo_stream_name.not_nil!, context: context, status: status)
-      end
-
-      def self.turbo_stream_name(turbo_stream_name : String?)
-        @@turbo_stream_name = turbo_stream_name
-      end
-
-      def turbo_stream_name : String | Nil
-        self.class.turbo_stream_name
-      end
     end
   end
 end

src/marten_turbo/handlers/record_delete.cr

@@ -1,3 +1,5 @@
+require "./concerns/turbo_streamable"
+
 module MartenTurbo
   module Handlers
     # Handler for deleting model records, with optional Turbo Stream support.
@@ -18,7 +20,7 @@ module MartenTurbo
     # end
     # ```
     class RecordDelete < Marten::Handlers::RecordDelete
-      class_getter turbo_stream_name : String?
+      include TurboStreamable
 
       def post
         perform_deletion
@@ -29,21 +31,6 @@ module MartenTurbo
           Marten::HTTP::Response::Found.new(success_url)
         end
       end
-
-      def render_turbo_stream(
-        context : Hash | NamedTuple | Nil | Marten::Template::Context = nil,
-        status : ::HTTP::Status | Int32 = 200
-      )
-        render(turbo_stream_name.not_nil!, context: context, status: status)
-      end
-
-      def self.turbo_stream_name(turbo_stream_name : String?)
-        @@turbo_stream_name = turbo_stream_name
-      end
-
-      def turbo_stream_name : String | Nil
-        self.class.turbo_stream_name
-      end
     end
   end
 end

src/marten_turbo/handlers/record_update.cr

@@ -1,3 +1,5 @@
+require "./concerns/turbo_streamable"
+
 module MartenTurbo
   module Handlers
     # Handler for updating model records with optional Turbo Stream support.
@@ -19,7 +21,7 @@ module MartenTurbo
     # end
     # ```
     class RecordUpdate < Marten::Handlers::RecordUpdate
-      class_getter turbo_stream_name : String?
+      include TurboStreamable
 
       def process_valid_schema
         record.update!(schema.validated_data.select(model.fields.map(&.id)))
@@ -30,21 +32,6 @@ module MartenTurbo
           Marten::HTTP::Response::Found.new success_url
         end
       end
-
-      def render_turbo_stream(
-        context : Hash | NamedTuple | Nil | Marten::Template::Context = nil,
-        status : ::HTTP::Status | Int32 = 200
-      )
-        render(turbo_stream_name.not_nil!, context: context, status: status)
-      end
-
-      def self.turbo_stream_name(turbo_stream_name : String?)
-        @@turbo_stream_name = turbo_stream_name
-      end
-
-      def turbo_stream_name : String | Nil
-        self.class.turbo_stream_name
-      end
     end
   end
 end