Restructure omni services and add Chatwoot research snapshot

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

@@ -0,0 +1,80 @@
+# == Schema Information
+#
+# Table name: channel_email
+#
+#  id                        :bigint           not null, primary key
+#  email                     :string           not null
+#  forward_to_email          :string           not null
+#  imap_address              :string           default("")
+#  imap_enable_ssl           :boolean          default(TRUE)
+#  imap_enabled              :boolean          default(FALSE)
+#  imap_login                :string           default("")
+#  imap_password             :string           default("")
+#  imap_port                 :integer          default(0)
+#  provider                  :string
+#  provider_config           :jsonb
+#  smtp_address              :string           default("")
+#  smtp_authentication       :string           default("login")
+#  smtp_domain               :string           default("")
+#  smtp_enable_ssl_tls       :boolean          default(FALSE)
+#  smtp_enable_starttls_auto :boolean          default(TRUE)
+#  smtp_enabled              :boolean          default(FALSE)
+#  smtp_login                :string           default("")
+#  smtp_openssl_verify_mode  :string           default("none")
+#  smtp_password             :string           default("")
+#  smtp_port                 :integer          default(0)
+#  verified_for_sending      :boolean          default(FALSE), not null
+#  created_at                :datetime         not null
+#  updated_at                :datetime         not null
+#  account_id                :integer          not null
+#
+# Indexes
+#
+#  index_channel_email_on_email             (email) UNIQUE
+#  index_channel_email_on_forward_to_email  (forward_to_email) UNIQUE
+#
+
+class Channel::Email < ApplicationRecord
+  include Channelable
+  include Reauthorizable
+
+  AUTHORIZATION_ERROR_THRESHOLD = 10
+
+  # TODO: Remove guard once encryption keys become mandatory (target 3-4 releases out).
+  if Chatwoot.encryption_configured?
+    encrypts :imap_password
+    encrypts :smtp_password
+  end
+
+  self.table_name = 'channel_email'
+  EDITABLE_ATTRS = [:email, :imap_enabled, :imap_login, :imap_password, :imap_address, :imap_port, :imap_enable_ssl,
+                    :smtp_enabled, :smtp_login, :smtp_password, :smtp_address, :smtp_port, :smtp_domain, :smtp_enable_starttls_auto,
+                    :smtp_enable_ssl_tls, :smtp_openssl_verify_mode, :smtp_authentication, :provider, :verified_for_sending].freeze
+
+  validates :email, uniqueness: true
+  validates :forward_to_email, uniqueness: true
+
+  before_validation :ensure_forward_to_email, on: :create
+
+  def name
+    'Email'
+  end
+
+  def microsoft?
+    provider == 'microsoft'
+  end
+
+  def google?
+    provider == 'google'
+  end
+
+  def legacy_google?
+    imap_enabled && imap_address == 'imap.gmail.com'
+  end
+
+  private
+
+  def ensure_forward_to_email
+    self.forward_to_email ||= "#{SecureRandom.hex}@#{account.inbound_email_domain}"
+  end
+end