amahi/platform

# Amahi Home Server
# Copyright (C) 2007-2013 Amahi
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License v3
# (29 June 2007), as published in the COPYING file.
#
# 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
# file COPYING for more details.
#
# You should have received a copy of the GNU General Public
# License along with this program; if not, write to the Amahi
# team at http://www.amahi.org/ under "Contact Us."

class Theme < ApplicationRecord

    before_destroy :before_destroy_hook

    def self.available
        tl = all.to_a
        Dir.chdir(File.join(Rails.root, THEME_ROOT)) do
            Dir.glob("*").sort.each do |theme_dir|
                next if where(:css=>theme_dir).first
                theme_init_file = File.join(theme_dir, "init.rb")
                if File.exist? theme_init_file
                    load theme_init_file
                    if defined?(theme_init) == "method"
                        begin
                            theme = theme_init
                            tl << Theme.new(:name => theme[:name], :css => theme_dir)
                        rescue => e
                            # there were issues in the theme init file!!
                            logger.error("=================== Amahi Theme Error BEGIN ===========================")
                            logger.error(e)
                            logger.error("=================== Amahi Theme Error END   ===========================")
                        end
                    end
                end
            end
        end
        tl
    end

    def self.dir2theme(dir)
        theme = nil
        Dir.chdir(File.join(Rails.root, THEME_ROOT)) do
            theme_init_file = File.join(dir, "init.rb")
            if File.exist? theme_init_file
                load theme_init_file
                if defined?(theme_init) == "method"
                    begin
                        ti = theme_init
                        theme = Theme.new(:name => ti[:name], :css => dir)
                    rescue => e
                        # there were issues in the theme init file!!
                        raise "There were issues loading file '#{theme_init_file}'"
                    end
                end
            else
                raise "That file '#{theme_init_file}' does not exist!"
            end
        end
        theme.save! if theme
        theme
    end

    def before_destroy_hook
        Dir.chdir(File.join(Rails.root, THEME_ROOT)) do
            FileUtils.rm_rf self.css
        end
    end
end