lib/locmare/booster.rb

   1 module Locmare
   2   class Booster
   3     attr :boost
   4
   5     def initialize manifest, item
   6       @manifest = manifest
   7       @item = item
   8       # no check
   9       # return false unless self.resource.enable?
  10       if self.extendable?
  11         @item.extend self.engine_extend_module
  12         @item.__send__ @manifest.setter_method_name, self.parsed_settings
  13       end
  14     end
  15
  16     def engine_resource_name
  17       @manifest.engine_resource_name || self.resource.table_name
  18     end
  19
  20     # get engine resource from system resource manifest
  21     def my_engine_resource
  22       Manifest.manifest.system_resources.engine_resources[self.engine_resource_name]
  23     end
  24
  25     def engine_classname
  26       return self.resource.classname unless @manifest.engine_resource_extend_column_name
  27       self.resource.attributes[@manifest.engine_resource_extend_column_name]
  28     end
  29
  30     # get snake_case engine name
  31     # ex) circle_speech_balloon
  32     # use to url, model_name generating
  33     def engine_name
  34       self.my_engine_resource.resource_items[self.engine_classname]
  35     end
  36
  37     def model_name
  38       self.engine_name + '_' + @manifest.extend_item_name
  39     end
  40
  41     def enable?
  42       self.my_engine_resource.resource_items.include? self.class_name
  43     end
  44
  45     # get engine's module name
  46     def class_name
  47       @item.attributes[@manifest.extend_column_name]
  48     end
  49
  50     def settings
  51       @item.attributes[@manifest.settings_column_name]
  52     end
  53
  54     # name space for engine
  55     def engine_module
  56       Object.const_get self.class_name
  57     end
  58
  59     def extendable?
  60       self.engine_module.constants.include? @manifest.extend_module_name.to_sym
  61     end
  62
  63     # extend module in engine
  64     # ex) CircleSpeechBalloon::SpeechBalloonModule
  65     def engine_extend_module
  66       self.engine_module.const_get @manifest.extend_module_name
  67     end
  68
  69     # extend settings data model in engine
  70     # ex) CircleSpeechBalloon::SpeechBalloon
  71     def engine_extend_model
  72       self.engine_module.const_get @manifest.extend_model_name
  73     end
  74
  75     def check_resource
  76       @item.attributes[@manifest.foreign_key].blank? == false
  77     end
  78
  79     # get system resource instance
  80     def resource
  81       raise 'blank foreign_key ' + @manifest.name unless self.check_resource
  82       r = @item.__send__ @manifest.resource_name
  83       raise 'resource not found' + @manifest.resource_name unless r
  84       r
  85     end
  86
  87     # get extend instance
  88     def extend_item
  89       @item.__send__ @manifest.getter_method_name
  90     end
  91
  92     def parsed_settings
  93       if self.settings.blank?
  94         {}
  95       else
  96         JSON.parse(self.settings)
  97       end
  98     end
  99
 100   end
 101 end
 102