DEVO-1848: Cache requests to save time.

Caches queries and pages.

Also caches query_list requests.

Also caches primo requests.

Does not cache libguides.

Gemfile

@@ -97,3 +97,7 @@ group :production do
   gem "dalli"
   gem "connection_pool"
 end
+
+gem "actionpack-page_caching", "~> 1.2"
+
+gem "actionpack-action_caching", "~> 1.2"

Gemfile.lock

@@ -117,6 +117,10 @@ GEM
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.2.0)
+    actionpack-action_caching (1.2.2)
+      actionpack (>= 4.0.0)
+    actionpack-page_caching (1.2.4)
+      actionpack (>= 4.0.0)
     actiontext (6.1.7.6)
       actionpack (= 6.1.7.6)
       activerecord (= 6.1.7.6)
@@ -622,6 +626,8 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
+  actionpack-action_caching (~> 1.2)
+  actionpack-page_caching (~> 1.2)
   alma!
   autoprefixer-rails
   awesome_print

app/controllers/catalog_controller.rb

@@ -1,6 +1,9 @@
 # frozen_string_literal: true
 
 class CatalogController < ApplicationController
+  caches_page :show, expires_in: 24.hours
+  caches_action :index, expires_in: 12.hours, cache_path: Proc.new {|c| c.request.url }
+
   include FacetParamsDedupe
   include BlacklightAdvancedSearch::Controller
   include BlacklightRangeLimit::ControllerOverride

app/controllers/query_list_controller.rb

@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class QueryListController < ApplicationController
+  caches_action :show, expires_in: 12.hours, cache_path: Proc.new {|c| c.request.url }
+
   def show
     search_service = search_service_class.new(config: blacklight_config, user_params: params)