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path: root/app/models/gs_parameter.rb
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class GsParameter < ActiveRecord::Base
  attr_accessible :name, :section, :value, :class_type, :description

  validates :name,
            :presence => true,
            :uniqueness => true

  validates :value,
            :presence => true

  validates :class_type,
            :presence => true,
            :inclusion => { :in => ['String', 'Integer', 'Boolean', 'YAML'] }

  def self.get(wanted_variable)
    if GsParameter.table_exists?
      item = GsParameter.where(:name => wanted_variable).first
      if item.nil?
        return nil
      else
        return item.value.to_i if item.class_type == 'Integer'
        return item.value.to_s if item.class_type == 'String'
        if item.class_type == 'Boolean'
          return true if item.value == 'true'
          return false if item.value == 'false'
        end
        return YAML.load(item.value) if item.class_type == 'YAML'
      end
    else
      nil
    end
  end

  def to_s
    name
  end
end