module LdapManager
  class FetchAvatar < LdapManagerService
    def initialize(cn:, ou: nil)
      @cn = cn
      @ou = ou
    end

    def call
      treebase   = @ou ? "ou=#{@ou},cn=users,#{suffix}" : ldap_config["base"]
      attributes = %w{ jpegPhoto }
      filter     = Net::LDAP::Filter.eq("cn", @cn)

      entry = ldap_client.search(base: treebase, filter: filter, attributes: attributes).first
      entry.try(:jpegPhoto) ? entry.jpegPhoto.first : nil
    end
  end
end