Add frozen string literal comment to files.

Gemfile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 group :development do
   gem 'translations-manager', git: 'https://github.com/discourse/translations-manager.git'
 end

app/controllers/chat_controller.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class DiscourseChat::ChatController < ApplicationController
   requires_plugin DiscourseChat::PLUGIN_NAME
 

app/controllers/public_controller.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class DiscourseChat::PublicController < ApplicationController
   requires_plugin DiscourseChat::PLUGIN_NAME
 

app/helpers/helper.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module DiscourseChat
   module Helper
 

app/initializers/discourse_chat.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module ::DiscourseChat
   PLUGIN_NAME = "discourse-chat-integration".freeze
 

app/jobs/onceoff/add_type_field.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Jobs
   class DiscourseChatAddTypeField < Jobs::Onceoff
     def execute_onceoff(args)

app/jobs/onceoff/migrate_from_slack_official.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Jobs
   class DiscourseChatMigrateFromSlackOfficial < Jobs::Onceoff
     def execute_onceoff(args)

app/jobs/regular/notify_chats.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Jobs
   class NotifyChats < Jobs::Base
     sidekiq_options retry: false

app/models/channel.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class DiscourseChat::Channel < DiscourseChat::PluginModel
   # Setup ActiveRecord::Store to use the JSON field to read/write these values
   store :value, accessors: [ :provider, :error_key, :error_info, :data ], coder: JSON

app/models/plugin_model.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class DiscourseChat::PluginModel < PluginStoreRow
   PLUGIN_NAME = 'discourse-chat-integration'
 

app/models/rule.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class DiscourseChat::Rule < DiscourseChat::PluginModel
   # Setup ActiveRecord::Store to use the JSON field to read/write these values
   store :value, accessors: [ :channel_id, :type, :group_id, :category_id, :tags, :filter ], coder: JSON

app/routes/discourse.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Discourse::Application.routes.append do
   mount ::DiscourseChat::AdminEngine, at: '/admin/plugins/chat', constraints: AdminConstraint.new
   mount ::DiscourseChat::PublicEngine, at: '/chat-transcript/', as: 'chat-transcript'

app/routes/discourse_chat.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_dependency 'admin_constraint'
 
 module DiscourseChat

app/serializers/channel_serializer.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative './rule_serializer'
 
 class DiscourseChat::ChannelSerializer < ApplicationSerializer

app/serializers/rule_serializer.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class DiscourseChat::RuleSerializer < ApplicationSerializer
   attributes :id, :channel_id, :type, :group_id, :group_name, :category_id, :tags, :filter
 

app/services/manager.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module DiscourseChat
   module Manager
 

bin/pull_translations.rb

@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
 # Usage:
 #   bundle install

lib/discourse_chat/provider.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module DiscourseChat
   class ProviderError < StandardError
     attr_accessor :info
@@ -35,7 +37,7 @@ module DiscourseChat
 
     def self.is_enabled(provider)
       if defined? provider::PROVIDER_ENABLED_SETTING
-        SiteSetting.send(provider::PROVIDER_ENABLED_SETTING)
+        SiteSetting.get(provider::PROVIDER_ENABLED_SETTING)
       else
         false
       end

lib/discourse_chat/provider/discord/discord_provider.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module DiscourseChat
   module Provider
     module DiscordProvider

lib/discourse_chat/provider/flowdock/flowdock_provider.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module DiscourseChat::Provider::FlowdockProvider
 
   PROVIDER_NAME = "flowdock".freeze

lib/discourse_chat/provider/gitter/gitter_provider.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module DiscourseChat
   module Provider
     module GitterProvider

lib/discourse_chat/provider/matrix/matrix_provider.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module DiscourseChat
   module Provider
     module MatrixProvider

lib/discourse_chat/provider/mattermost/mattermost_command_controller.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module DiscourseChat::Provider::MattermostProvider
   class MattermostCommandController < DiscourseChat::Provider::HookController
     requires_provider ::DiscourseChat::Provider::MattermostProvider::PROVIDER_NAME

lib/discourse_chat/provider/mattermost/mattermost_provider.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module DiscourseChat
   module Provider
     module MattermostProvider

lib/discourse_chat/provider/rocketchat/rocketchat_provider.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module DiscourseChat::Provider::RocketchatProvider
   PROVIDER_NAME = "rocketchat".freeze
 

lib/discourse_chat/provider/slack/slack_command_controller.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module DiscourseChat::Provider::SlackProvider
   class SlackCommandController < DiscourseChat::Provider::HookController
     requires_provider ::DiscourseChat::Provider::SlackProvider::PROVIDER_NAME

lib/discourse_chat/provider/slack/slack_enabled_setting_validator.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class ChatIntegrationSlackEnabledSettingValidator
   def initialize(opts = {})
     @opts = opts

lib/discourse_chat/provider/slack/slack_message.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module DiscourseChat::Provider::SlackProvider
   class SlackMessage
     def initialize(raw_message, transcript)

lib/discourse_chat/provider/slack/slack_message_formatter.rb

@@ -1,9 +1,11 @@
+# frozen_string_literal: true
+
 module DiscourseChat::Provider::SlackProvider
   class SlackMessageFormatter < Nokogiri::XML::SAX::Document
     attr_reader :excerpt
 
     def initialize
-      @excerpt = ""
+      @excerpt = +""
     end
 
     def self.format(html = '')

lib/discourse_chat/provider/slack/slack_provider.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module DiscourseChat::Provider::SlackProvider
   PROVIDER_NAME = "slack".freeze
 

lib/discourse_chat/provider/slack/slack_transcript.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module DiscourseChat::Provider::SlackProvider
   class SlackTranscript
     attr_reader :users, :channel_id, :messages
@@ -77,7 +79,7 @@ module DiscourseChat::Provider::SlackProvider
     end
 
     def build_transcript
-      post_content = "[quote]\n"
+      post_content = +"[quote]\n"
       post_content << "[**#{I18n.t('chat_integration.provider.slack.transcript.view_on_slack', name: @channel_name)}**](#{first_message.url})\n"
 
       all_avatars = {}

lib/discourse_chat/provider/telegram/telegram_command_controller.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module DiscourseChat::Provider::TelegramProvider
   class TelegramCommandController < DiscourseChat::Provider::HookController
     requires_provider ::DiscourseChat::Provider::TelegramProvider::PROVIDER_NAME

lib/discourse_chat/provider/telegram/telegram_initializer.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 DiscourseEvent.on(:site_setting_saved) do |sitesetting|
   isEnabledSetting = sitesetting.name == 'chat_integration_telegram_enabled'
   isAccessToken =  sitesetting.name == 'chat_integration_telegram_access_token'

lib/discourse_chat/provider/telegram/telegram_provider.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module DiscourseChat
   module Provider
     module TelegramProvider

lib/discourse_chat/provider/zulip/zulip_provider.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module DiscourseChat
   module Provider
     module ZulipProvider

plugin.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # name: discourse-chat-integration
 # about: This plugin integrates discourse with a number of chat providers
 # version: 0.1

spec/dummy_provider.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 
 RSpec.shared_context "dummy provider" do
   before(:each) do

spec/helpers/helper_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 require_relative '../dummy_provider'
 

spec/jobs/onceoff/migrate_from_slack_official_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Jobs::DiscourseChatMigrateFromSlackOfficial do

spec/jobs/regular/notify_chats_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe PostCreator do

spec/lib/discourse_chat/provider/discord/discord_provider_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe DiscourseChat::Provider::DiscordProvider do

spec/lib/discourse_chat/provider/flowdock/flowdock_provider_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe DiscourseChat::Provider::FlowdockProvider do

spec/lib/discourse_chat/provider/gitter/gitter_provider_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe DiscourseChat::Provider::GitterProvider do

spec/lib/discourse_chat/provider/matrix/matrix_provider_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe DiscourseChat::Provider::MatrixProvider do

spec/lib/discourse_chat/provider/mattermost/mattermost_command_controller_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe 'Mattermost Command Controller', type: :request do

spec/lib/discourse_chat/provider/mattermost/mattermost_provider_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe DiscourseChat::Provider::MattermostProvider do

spec/lib/discourse_chat/provider/rocketchat/rocketchat_provider_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe DiscourseChat::Provider::RocketchatProvider do

spec/lib/discourse_chat/provider/slack/slack_command_controller_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe 'Slack Command Controller', type: :request do

spec/lib/discourse_chat/provider/slack/slack_message_formatter_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe DiscourseChat::Provider::SlackProvider::SlackMessageFormatter do

spec/lib/discourse_chat/provider/slack/slack_provider_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe DiscourseChat::Provider::SlackProvider do

spec/lib/discourse_chat/provider/slack/slack_transcript_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe DiscourseChat::Provider::SlackProvider::SlackTranscript do

spec/lib/discourse_chat/provider/telegram/telegram_command_controller_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe 'Telegram Command Controller', type: :request do

spec/lib/discourse_chat/provider/telegram/telegram_provider_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe DiscourseChat::Provider::TelegramProvider do

spec/lib/discourse_chat/provider/zulip/zulip_provider_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe DiscourseChat::Provider::ZulipProvider do

spec/models/channel_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 require_relative '../dummy_provider'
 

spec/models/rule_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 require_relative '../dummy_provider'
 

spec/requests/chat_controller_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 require_relative '../dummy_provider'
 

spec/requests/public_controller_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe 'Public Controller', type: :request do

spec/services/manager_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 require_dependency 'post_creator'
 require_relative '../dummy_provider'