Revert "Merge pull request #2018 from sonalkr132/rails-6"

This reverts commit db88e23, reversing
changes made to e01d3df.

Gemfile

@@ -1,6 +1,6 @@
 source "https://rubygems.org"
 
-gem "rails", "~> 6.0.0"
+gem "rails", "~> 5.2.1"
 gem "rails-i18n"
 
 gem "autoprefixer-rails"

Gemfile.lock

@@ -1,63 +1,50 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (6.0.0)
-      actionpack (= 6.0.0)
+    actioncable (5.2.3)
+      actionpack (= 5.2.3)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailbox (6.0.0)
-      actionpack (= 6.0.0)
-      activejob (= 6.0.0)
-      activerecord (= 6.0.0)
-      activestorage (= 6.0.0)
-      activesupport (= 6.0.0)
-      mail (>= 2.7.1)
-    actionmailer (6.0.0)
-      actionpack (= 6.0.0)
-      actionview (= 6.0.0)
-      activejob (= 6.0.0)
+    actionmailer (5.2.3)
+      actionpack (= 5.2.3)
+      actionview (= 5.2.3)
+      activejob (= 5.2.3)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (6.0.0)
-      actionview (= 6.0.0)
-      activesupport (= 6.0.0)
+    actionpack (5.2.3)
+      actionview (= 5.2.3)
+      activesupport (= 5.2.3)
       rack (~> 2.0)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.2.0)
-    actiontext (6.0.0)
-      actionpack (= 6.0.0)
-      activerecord (= 6.0.0)
-      activestorage (= 6.0.0)
-      activesupport (= 6.0.0)
-      nokogiri (>= 1.8.5)
-    actionview (6.0.0)
-      activesupport (= 6.0.0)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    actionview (5.2.3)
+      activesupport (= 5.2.3)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.1, >= 1.2.0)
-    activejob (6.0.0)
-      activesupport (= 6.0.0)
+      rails-html-sanitizer (~> 1.0, >= 1.0.3)
+    activejob (5.2.3)
+      activesupport (= 5.2.3)
       globalid (>= 0.3.6)
-    activemodel (6.0.0)
-      activesupport (= 6.0.0)
-    activerecord (6.0.0)
-      activemodel (= 6.0.0)
-      activesupport (= 6.0.0)
-    activestorage (6.0.0)
-      actionpack (= 6.0.0)
-      activejob (= 6.0.0)
-      activerecord (= 6.0.0)
+    activemodel (5.2.3)
+      activesupport (= 5.2.3)
+    activerecord (5.2.3)
+      activemodel (= 5.2.3)
+      activesupport (= 5.2.3)
+      arel (>= 9.0)
+    activestorage (5.2.3)
+      actionpack (= 5.2.3)
+      activerecord (= 5.2.3)
       marcel (~> 0.3.1)
-    activesupport (6.0.0)
+    activesupport (5.2.3)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-      zeitwerk (~> 2.1, >= 2.1.8)
     addressable (2.6.0)
       public_suffix (>= 2.0.2, < 4.0)
+    arel (9.0.0)
     ast (2.4.0)
     autoprefixer-rails (9.6.1)
       execjs
@@ -145,7 +132,7 @@ GEM
       multi_json
     email_validator (1.6.0)
       activemodel
-    erubi (1.9.0)
+    erubi (1.8.0)
     execjs (2.7.0)
     factory_bot (5.0.2)
       activesupport (>= 4.2.0)
@@ -250,7 +237,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
     mimemagic (0.3.3)
-    mini_mime (1.0.2)
+    mini_mime (1.0.0)
     mini_portile2 (2.4.0)
     minitest (5.12.2)
     mocha (1.2.1)
@@ -260,7 +247,7 @@ GEM
     multipart-post (2.0.0)
     netrc (0.11.0)
     newrelic_rpm (6.3.0.355)
-    nio4r (2.5.2)
+    nio4r (2.3.1)
     nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     oj (3.7.12)
@@ -287,20 +274,18 @@ GEM
       rack (>= 1.0, < 3)
     rack-utf8_sanitizer (1.6.0)
       rack (>= 1.0, < 3.0)
-    rails (6.0.0)
-      actioncable (= 6.0.0)
-      actionmailbox (= 6.0.0)
-      actionmailer (= 6.0.0)
-      actionpack (= 6.0.0)
-      actiontext (= 6.0.0)
-      actionview (= 6.0.0)
-      activejob (= 6.0.0)
-      activemodel (= 6.0.0)
-      activerecord (= 6.0.0)
-      activestorage (= 6.0.0)
-      activesupport (= 6.0.0)
+    rails (5.2.3)
+      actioncable (= 5.2.3)
+      actionmailer (= 5.2.3)
+      actionpack (= 5.2.3)
+      actionview (= 5.2.3)
+      activejob (= 5.2.3)
+      activemodel (= 5.2.3)
+      activerecord (= 5.2.3)
+      activestorage (= 5.2.3)
+      activesupport (= 5.2.3)
       bundler (>= 1.3.0)
-      railties (= 6.0.0)
+      railties (= 5.2.3)
       sprockets-rails (>= 2.0.0)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
@@ -312,18 +297,18 @@ GEM
       ruby-graphviz (~> 1.2)
     rails-html-sanitizer (1.3.0)
       loofah (~> 2.3)
-    rails-i18n (6.0.0)
+    rails-i18n (5.1.3)
       i18n (>= 0.7, < 2)
-      railties (>= 6.0.0, < 7)
-    railties (6.0.0)
-      actionpack (= 6.0.0)
-      activesupport (= 6.0.0)
+      railties (>= 5.0, < 6)
+    railties (5.2.3)
+      actionpack (= 5.2.3)
+      activesupport (= 5.2.3)
       method_source
       rake (>= 0.8.7)
-      thor (>= 0.20.3, < 2.0)
+      thor (>= 0.19.0, < 2.0)
     rainbow (3.0.0)
     raindrops (0.19.0)
-    rake (13.0.0)
+    rake (12.3.3)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
@@ -408,13 +393,12 @@ GEM
       raindrops (~> 0.7)
     validates_formatting_of (0.9.0)
       activemodel
-    websocket-driver (0.7.1)
+    websocket-driver (0.7.0)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.4)
+    websocket-extensions (0.1.3)
     xml-simple (1.1.5)
     xpath (3.1.0)
       nokogiri (~> 1.8)
-    zeitwerk (2.1.10)
 
 PLATFORMS
   ruby
@@ -459,7 +443,7 @@ DEPENDENCIES
   rack-attack
   rack-test
   rack-utf8_sanitizer
-  rails (~> 6.0.0)
+  rails (~> 5.2.1)
   rails-erd
   rails-i18n
   rbtrace (~> 0.4.8)

config/application.rb

@@ -1,43 +1,30 @@
-require_relative "boot"
+require_relative 'boot'
 
-require "rails"
-# Pick the frameworks you want:
-# require "active_model/railtie"
-require "active_job/railtie"
-require "active_record/railtie"
-# require "active_storage/engine"
-require "action_controller/railtie"
-require "action_mailer/railtie"
-# require "action_mailbox/engine"
-# require "action_text/engine"
-require "action_view/railtie"
-# require "action_cable/engine"
-require "sprockets/railtie"
-require "rails/test_unit/railtie"
-require "elasticsearch/rails/instrumentation"
+require 'active_record/railtie'
+require 'action_controller/railtie'
+require 'action_view/railtie'
+require 'action_mailer/railtie'
+require 'active_job/railtie'
+require 'rails/test_unit/railtie'
+require 'sprockets/railtie'
+require 'elasticsearch/rails/instrumentation'
 
 # Require the gems listed in Gemfile, including any gems
 # you've limited to :test, :development, or :production.
 Bundler.require(*Rails.groups)
 
 module Gemcutter
   class Application < Rails::Application
-    # Initialize configuration defaults for originally generated Rails version.
     config.load_defaults 5.2
 
-    # Settings in config/environments/* take precedence over those specified here.
-    # Application configuration can go into files in config/initializers
-    # -- all .rb files in that directory are automatically loaded after loading
-    # the framework and any gems in your application.
-
-    # Using true enables origin-checking CSRF mitigation. Our API can"t use this check.
+    # Using true enables origin-checking CSRF mitigation. Our API can't use this check.
     config.action_controller.forgery_protection_origin_check = false
 
     config.rubygems = Application.config_for :rubygems
 
     config.time_zone = "UTC"
     config.encoding  = "utf-8"
-    config.i18n.available_locales = [:en, :nl, "zh-CN", "zh-TW", "pt-BR", :fr, :es, :de, :ja]
+    config.i18n.available_locales = [:en, :nl, 'zh-CN', 'zh-TW', 'pt-BR', :fr, :es, :de, :ja]
     config.i18n.fallbacks = [:en]
 
     config.middleware.insert 0, Rack::UTF8Sanitizer
@@ -47,12 +34,12 @@ class Application < Rails::Application
     config.active_record.include_root_in_json = false
 
     config.after_initialize do
-      RubygemFs.s3! ENV["S3_PROXY"] if ENV["S3_PROXY"]
+      RubygemFs.s3! ENV['S3_PROXY'] if ENV['S3_PROXY']
     end
 
     config.plugins = [:dynamic_form]
 
-    config.eager_load_paths << Rails.root.join("lib")
+    config.eager_load_paths << Rails.root.join('lib')
   end
 
   def self.config
@@ -62,14 +49,14 @@ def self.config
   DEFAULT_PAGE = 1
   DEFAULT_PAGINATION = 20
   EMAIL_TOKEN_EXPRIES_AFTER = 3.hours
-  HOST = config["host"]
+  HOST = config['host']
   NEWS_DAYS_LIMIT = 7.days
   NEWS_MAX_PAGES = 10
   NEWS_PER_PAGE = 10
   MAX_PAGES = 1000
   MFA_KEY_EXPIRY = 30.minutes
   POPULAR_DAYS_LIMIT = 70.days
-  PROTOCOL = config["protocol"]
+  PROTOCOL = config['protocol']
   REMEMBER_FOR = 2.weeks
   SEARCH_MAX_PAGES = 100 # Limit max page as ES result window is upper bounded by 10_000 records
   STATS_MAX_PAGES = 10

config/environments/development.rb

@@ -18,9 +18,9 @@
   # Run rails dev:cache to toggle caching.
   if Rails.root.join('tmp', 'caching-dev.txt').exist?
     config.action_controller.perform_caching = true
-    config.action_controller.enable_fragment_cache_logging = true
 
     config.cache_store = :mem_cache_store,
+                         'localhost:11211',
                          { compress: true, compression_min_size: 524_288 }
     config.public_file_server.headers = {
       'Cache-Control' => "public, max-age=#{2.days.to_i}"
@@ -56,7 +56,7 @@
   # Suppress logger output for asset requests.
   config.assets.quiet = true
 
-  # Raises error for missing translations.
+  # Raises error for missing translations
   # config.action_view.raise_on_missing_translations = true
 
   config.middleware.use Hostess