项目的列表页修改数量参数

db/migrate/20200513080857_add_some_counts_to_project.rb

@@ -0,0 +1,20 @@
+class AddSomeCountsToProject < ActiveRecord::Migration[5.2]
+  def change
+    add_column :projects, :versions_count, :integer, default: 0  #里程碑
+    add_column :repositories, :version_releases_count, :integer, default: 0  #版本发布d
+    add_column :projects, :issue_tags_count, :integer, default: 0   #标签的数量
+
+    Project.includes(:versions, :issue_tags, repository: :version_releases).find_each do |p|
+      puts "###____change_p.id____######{p.id}"
+      r = p&.repository 
+      Project.reset_counters p.id, :versions
+      Project.reset_counters p.id, :issue_tags
+      
+      if r.present? 
+        puts "###____change_p.id____######{r.id}"
+        Repository.reset_counters r.id, :version_releases
+      end
+      
+    end
+  end
+end