feat(Publish State): extract & refactor active_state logic to Transaction

Author: toastercup

app/models/cortex/content_item.rb

@@ -32,8 +32,7 @@ class ContentItem < Cortex::ApplicationRecord
     end
 
     def publish_state
-      # TODO: move logic to Transaction
-      PublishStateService.new.content_item_state(self)
+      GetPublishStateTransaction.new.call(self).value!
     end
 
     # FieldItem and State Convenience Methods. TODO: move to concern? transactions?

app/services/cortex/application_service.rb

@@ -0,0 +1,28 @@
+# TODO: The entire Publish system needs to be reworked to avoid hardcoded references and data integrity issues
+
+module Cortex
+  class GetPublishStateTransaction < Cortex::ApplicationTransaction
+    step :sort_field_items
+    step :process
+
+    def sort_field_items(content_item)
+      sorted_field_items = content_item.field_items.select do |field_item|
+        field_item.field.field_type_instance.is_a?(DateTimeFieldType) && !field_item.field.metadata["state"].nil?
+      end.sort_by {|field_item| field_item.data["timestamp"]}.reverse
+
+      Success({
+                sorted_field_items: sorted_field_items,
+                content_item: content_item
+              })
+    end
+
+    def process(input)
+      timestamp_field_item = input[:sorted_field_items].find do |field_item|
+        field_item.data['timestamp'].present? && DateTime.now > DateTime.parse(field_item.data["timestamp"])
+      end
+
+      active_state = timestamp_field_item ? timestamp_field_item.field.metadata["state"] : input[:content_item].state.titleize
+      Success(active_state)
+    end
+  end
+end