更改组织可见性为私有，则需将该组织下的所有仓库同步更改为私有仓库

app/controllers/organizations/organizations_controller.rb

@@ -46,6 +46,12 @@ class Organizations::OrganizationsController < Organizations::BaseController
       @organization.nickname = organization_params[:nickname] if organization_params[:nickname].present?
       @organization.save!
       sync_organization_extension!
+      # 更改组织可见性为私有，则需将该组织下的所有仓库同步更改为私有仓库
+      if organization_extension_params[:visibility] == "privacy"
+        Project.where(user_id: @organization.id).where(is_public: true).each do |project|
+          update_project_private(project)
+        end
+      end
       
       Gitea::Organization::UpdateService.call(current_user.gitea_token, login, @organization.reload)
       Util.write_file(@image, avatar_path(@organization)) if params[:image].present?
@@ -123,5 +129,20 @@ class Organizations::OrganizationsController < Organizations::BaseController
   def sync_organization_extension!
     @organization.organization_extension.update_attributes!(organization_extension_params)
   end
+
+  def update_project_private(project)
+    project.update_attributes!(is_public: false)
+    project.forked_projects.update_all(is_public: project.is_public)
+    gitea_params = {
+      private: false,
+      default_branch: project.default_branch,
+      website: project.website,
+      name: project.identifier
+    }
+    gitea_repo = Gitea::Repository::UpdateService.call(@organization, project&.repository&.identifier, gitea_params)
+    project.repository.update_attributes({hidden: gitea_repo["private"], identifier: gitea_repo["name"]})
+    # 更新对应所属分类下的项目数量（私有）
+    project.project_category.decrement!(:private_projects_count, 1) if project.project_category.present?
+  end
   
 end