Restructure omni services and add Chatwoot research snapshot

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

@@ -0,0 +1,44 @@
+# == Schema Information
+#
+# Table name: channel_api
+#
+#  id                    :bigint           not null, primary key
+#  additional_attributes :jsonb
+#  hmac_mandatory        :boolean          default(FALSE)
+#  hmac_token            :string
+#  identifier            :string
+#  webhook_url           :string
+#  created_at            :datetime         not null
+#  updated_at            :datetime         not null
+#  account_id            :integer          not null
+#
+# Indexes
+#
+#  index_channel_api_on_hmac_token  (hmac_token) UNIQUE
+#  index_channel_api_on_identifier  (identifier) UNIQUE
+#
+
+class Channel::Api < ApplicationRecord
+  include Channelable
+
+  self.table_name = 'channel_api'
+  EDITABLE_ATTRS = [:webhook_url, :hmac_mandatory, { additional_attributes: {} }].freeze
+
+  has_secure_token :identifier
+  has_secure_token :hmac_token
+  validate :ensure_valid_agent_reply_time_window
+  validates :webhook_url, length: { maximum: Limits::URL_LENGTH_LIMIT }
+
+  def name
+    'API'
+  end
+
+  private
+
+  def ensure_valid_agent_reply_time_window
+    return if additional_attributes['agent_reply_time_window'].blank?
+    return if additional_attributes['agent_reply_time_window'].to_i.positive?
+
+    errors.add(:agent_reply_time_window, 'agent_reply_time_window must be greater than 0')
+  end
+end