Add fresh_when caching to controller actions

app/controllers/exports_controller.rb

@@ -1,5 +1,6 @@
 class ExportsController < ApplicationController
   def index
     @exports = Export.order("date DESC")
+    fresh_when @exports, public: true
   end
 end

app/controllers/hosts_controller.rb

@@ -1,14 +1,14 @@
 class HostsController < ApplicationController
   def index
     @hosts = Host.all.visible.order('repositories_count DESC, commits_count DESC')
-
+    fresh_when @hosts, public: true
     @scope = Repository.visible.order('last_synced_at DESC').includes(:host)
     @pagy, @repositories = pagy_countless(@scope, items: 10)
   end
 
   def show
     @host = Host.find_by_name!(params[:id])
-
+    fresh_when @host, public: true
     scope = @host.repositories.visible
 
     sort = params[:sort].presence || 'last_synced_at'

app/controllers/repositories_controller.rb

@@ -6,6 +6,7 @@ def lookup
     raise ActiveRecord::RecordNotFound unless @host
     path = parsed_url.path.delete_prefix('/').chomp('/')
     @repository = @host.repositories.find_by('lower(full_name) = ?', path.downcase)
+    fresh_when @repository, public: true
     if @repository
       @repository.sync_async(request.remote_ip) unless @repository.last_synced_at.present? && @repository.last_synced_at > 1.day.ago
       redirect_to host_repository_path(@host, @repository)
@@ -22,6 +23,7 @@ def lookup
   def show
     @host = Host.find_by_name!(params[:host_id])
     @repository = @host.repositories.find_by('lower(full_name) = ?', params[:id].downcase)
+    fresh_when @repository, public: true
     if @repository.nil?
       @job = @host.sync_repository_async(params[:id], request.remote_ip)
       @repository = @host.repositories.find_by('lower(full_name) = ?', params[:id].downcase)