Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/models/concerns/avatarable.rb

@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+module Avatarable
+  extend ActiveSupport::Concern
+  include Rails.application.routes.url_helpers
+
+  included do
+    has_one_attached :avatar
+    validate :acceptable_avatar, if: -> { avatar.changed? }
+    after_save :fetch_avatar_from_gravatar
+  end
+
+  def avatar_url
+    return url_for(avatar.representation(resize_to_fill: [250, nil])) if avatar.attached? && avatar.representable?
+
+    ''
+  end
+
+  def fetch_avatar_from_gravatar
+    return unless saved_changes.key?(:email)
+    return if email.blank?
+
+    # Incase avatar_url is supplied, we don't want to fetch avatar from gravatar
+    # So we will wait for it to be processed
+    Avatar::AvatarFromGravatarJob.set(wait: 30.seconds).perform_later(self, email)
+  end
+
+  def acceptable_avatar
+    return unless avatar.attached?
+
+    errors.add(:avatar, 'is too big') if avatar.byte_size > 15.megabytes
+
+    acceptable_types = ['image/jpeg', 'image/png', 'image/gif'].freeze
+    errors.add(:avatar, 'filetype not supported') unless acceptable_types.include?(avatar.content_type)
+  end
+end