yast/yast-journal

# Copyright (c) 2014 SUSE LLC.
#  All Rights Reserved.

#  This program is free software; you can redistribute it and/or
#  modify it under the terms of version 2 or 3 of the GNU General
#  Public License as published by the Free Software Foundation.

#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.   See the
#  GNU General Public License for more details.

#  You should have received a copy of the GNU General Public License
#  along with this program; if not, contact SUSE LLC.

#  To contact Novell about this file by physical or electronic mail,
#  you may find current contact information at www.suse.com

require "y2journal/entry"
require "delegate"
require "yast"

module Y2Journal
  # Presenter for Entry adding useful methods for the dialogs
  class EntryPresenter < SimpleDelegator
    include Yast::I18n

    TIME_FORMAT = "%b %d %H:%M:%S".freeze

    def initialize(entry)
      textdomain "journal"
      __setobj__(entry)
    end

    # Original entry
    def entry
      __getobj__
    end

    # Source of the entry to be displayed on listings.
    #
    # Mimics the default journalctl output.
    def source
      if process_name
        "#{process_name}[#{pid}]"
      else
        syslog_id
      end
    end

    # User readable representation of the timestamp
    def formatted_time
      Yast::Builtins.strftime(timestamp, TIME_FORMAT)
    end

    # Message string
    def message
      msg = entry.message
      # bnc#941655 was caused by this field being an array in journalctl's json
      # Also big arrays are problematic
      if msg.is_a?(Array)
        # TRANSLATORS: this describes a non-displayable journal entry
        format(_("[Blob data (%i bytes)]"), msg.size)
      else
        msg.to_s
      end
    end
  end
end