新增：数据集文件分页

app/controllers/api/v1/projects/datasets_controller.rb

@@ -22,7 +22,7 @@ class Api::V1::Projects::DatasetsController < Api::V1::BaseController
   end
 
   def show 
-    @attachments = @project_dataset.attachments.includes(:author)
+    @attachments = kaminari_paginate(@project_dataset.attachments.includes(:author))
   end
 
   private 

app/views/api/v1/projects/datasets/show.json.jbuilder

@@ -1,5 +1,6 @@
 json.(@project_dataset, :id, :title, :description, :license_id, :paper_content)
 json.license_name @project_dataset&.license&.name
+json.attachment_total_count @attachments.total_count
 json.attachments @attachments do |at| 
   json.partial! "api/v1/attachments/detail", locals: {attachment: at}
 end