Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/models/channel/twitter_profile.rb

@@ -0,0 +1,68 @@
+# == Schema Information
+#
+# Table name: channel_twitter_profiles
+#
+#  id                          :bigint           not null, primary key
+#  tweets_enabled              :boolean          default(TRUE)
+#  twitter_access_token        :string           not null
+#  twitter_access_token_secret :string           not null
+#  created_at                  :datetime         not null
+#  updated_at                  :datetime         not null
+#  account_id                  :integer          not null
+#  profile_id                  :string           not null
+#
+# Indexes
+#
+#  index_channel_twitter_profiles_on_account_id_and_profile_id  (account_id,profile_id) UNIQUE
+#
+
+class Channel::TwitterProfile < ApplicationRecord
+  include Channelable
+
+  # TODO: Remove guard once encryption keys become mandatory (target 3-4 releases out).
+  if Chatwoot.encryption_configured?
+    encrypts :twitter_access_token
+    encrypts :twitter_access_token_secret
+  end
+
+  self.table_name = 'channel_twitter_profiles'
+
+  validates :profile_id, uniqueness: { scope: :account_id }
+
+  before_destroy :unsubscribe
+
+  EDITABLE_ATTRS = [:tweets_enabled].freeze
+
+  def name
+    'Twitter'
+  end
+
+  def create_contact_inbox(profile_id, name, additional_attributes)
+    ::ContactInboxWithContactBuilder.new({
+                                           source_id: profile_id,
+                                           inbox: inbox,
+                                           contact_attributes: { name: name, additional_attributes: additional_attributes }
+                                         }).perform
+  end
+
+  def twitter_client
+    Twitty::Facade.new do |config|
+      config.consumer_key = ENV.fetch('TWITTER_CONSUMER_KEY', nil)
+      config.consumer_secret = ENV.fetch('TWITTER_CONSUMER_SECRET', nil)
+      config.access_token = twitter_access_token
+      config.access_token_secret = twitter_access_token_secret
+      config.base_url = 'https://api.twitter.com'
+      config.environment = ENV.fetch('TWITTER_ENVIRONMENT', '')
+    end
+  end
+
+  private
+
+  def unsubscribe
+    ### Fix unsubscription with new endpoint
+    unsubscribe_response = twitter_client.remove_subscription(user_id: profile_id)
+    Rails.logger.info "TWITTER_UNSUBSCRIBE: #{unsubscribe_response.body}"
+  rescue StandardError => e
+    Rails.logger.error e
+  end
+end