Module: Tunable::Model::ClassMethods

Defined in:
lib/tunable/model.rb

Instance Method Summary collapse

Instance Method Details

#default_settings(context) ⇒ Object 



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# File 'lib/tunable/model.rb', line 26

def default_settings(context)
  class_variable_get('@@default_settings')[context.to_sym] || {}
end

#has_settings(contexts) ⇒ Object 



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# File 'lib/tunable/model.rb', line 42

def has_settings(contexts)

  contexts.each do |name, options|

    if options.is_a?(Array)
      res = {}
      options.each { |el| res[el.keys.first] = el.values.first }
    else
      res = options
    end

    res.each do |field, opts|
      if opts.is_a?(Hash)
        default = opts[:default]
      else
        default = opts
      end

      getter = "#{name}_#{field}"

      define_method getter do
        get_setting(name, field)
      end

      define_method "#{getter}=" do |value|
        # self.settings = { name => { field => val } }
        set_setting(name, field, value)
      end

      set_default_setting(name, field, default) unless default.nil?
    end
  end

end

#main_settings(*options) ⇒ Object 



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# File 'lib/tunable/model.rb', line 77

def main_settings(*options)

  if options[0].is_a?(Hash)
    fields = options[0]
  else # no defaults
    fields = {}
    options.each { |key| fields[key] = {} }
  end

  fields.each do |field, opts|

    if opts.is_a?(Hash)
      strict  = opts[:strict]
      default = opts[:default]
    else
      default = opts
      strict = false
    end

    main_settings_list.push(field)
    set_default_setting(:main, field, default) unless default.nil?

    define_method field do
      get_value_for(field)
    end

    define_method "#{field}?" do
      main_setting_on?(field.to_sym)
    end

    define_method "#{field}_changed?" do
      changes[field.to_sym].present?
    end

    define_method "#{field}=" do |raw_value|

      if strict && !default.nil? && !Tunable.matching_type(raw_value, default)
        raise "Invalid value: #{raw_value}. Expected #{default.class}, got #{raw_value.class}"
      end

      value   = Tunable.normalize_value(raw_value)
      current = Tunable.normalize_value(get_value_for(field, false)) # don't fallback to default
      # debug "Setting #{field} to #{value} (#{value.class}), current: #{current} (#{current.class})"

      if value === current
        # puts 'Value is same as current'
        changed_attributes.delete(field) # in case we had set if before
        return
      end

      instance_variable_set("@setting_main_#{field}", value)

      if value.nil?
        main_settings.delete(field.to_sym)
        queue_setting_for_deletion(:main, field)
      else
        main_settings[field.to_sym] = value
        queue_setting_for_update(:main, field, value)
      end
    end

  end

end

#main_settings_list ⇒ Object 



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# File 'lib/tunable/model.rb', line 30

def main_settings_list
  class_variable_get('@@main_settings')
end

#set_default_setting(key, field, value) ⇒ Object 



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# File 'lib/tunable/model.rb', line 34

def set_default_setting(key, field, value)
  hash = class_variable_get('@@default_settings')
  hash[key.to_sym] = {} unless hash[key.to_sym]
  hash[key.to_sym][field.to_sym] = value

  class_variable_set('@@default_settings', hash)
end