git.r.bdr.sh - rbdr/lyricli.rb/blob - lib/lyricli/configuration.rb

   1 module Lyricli
   2   class Configuration
   3
   4     def initialize
   5       @config_path = "~/.lyricli.conf"
   6       @defaults_path = "defaults.json"
   7       @config = nil
   8     end
   9
  10     @@instance = Configuration.new
  11
  12     def self.instance
  13       @@instance
  14     end
  15
  16     def [](key)
  17       load_config unless @config
  18       @config[key]
  19     end
  20
  21     def []=(key, value)
  22       load_config unless @config
  23       @config[key] = value
  24       save_config
  25     end
  26
  27     def delete(key)
  28       load_config unless @config
  29       @config.delete(key)
  30       save_config
  31     end
  32
  33     private_class_method :new
  34
  35     # TODO: Apart from this, load a default yml that will be used for this.
  36     # And just extend everything from the user's config.
  37     def load_config
  38       path = File.expand_path(@config_path)
  39
  40       if File.exists?(path)
  41         file = File.new(path, "r")
  42         @config = MultiJson.decode(file.read)
  43       else
  44         load_default_config
  45       end
  46     end
  47
  48     def save_config
  49       path = File.expand_path(@config_path)
  50       file = File.new(path, "w")
  51       file.print(MultiJson.encode(@config))
  52       file.close
  53     end
  54
  55     private
  56
  57     def load_default_config
  58       # Load the default
  59       path_root = File.expand_path(File.dirname(__FILE__))
  60       path = File.join(path_root, @defaults_path)
  61
  62       if File.exists?(path)
  63         file = File.new(path, "r")
  64         @config = MultiJson.decode(file.read)
  65       else
  66         @config = {}
  67       end
  68     end
  69   end
  70 end