Module: MasterCache::ModelExtension::ClassMethods

Defined in:
lib/master_cache/model_extension.rb

Instance Method Summary collapse

Instance Method Details

#master_cache(options = {}) ⇒ Object

MasterModel should be called (optional arguments):

master_cache(:const_name => :name, :order_name => :position, :all_name => 'INSTANCES')

const_name: const name order_name: ‘order’ name all_name: cached all instance name



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# File 'lib/master_cache/model_extension.rb', line 12

def master_cache(options = {})
  MasterCache.config.tap do |c|
    options.reverse_merge! :const_name => c.const_name, :order_name => c.order_name, :all_name => c.all_name
  end

  return if const_defined?(options[:all_name]) && const_get(options[:all_name]).present?

  # default order
  default_scope order: options[:order_name]

  # Constantize all instances
  _all = all rescue [] # return [] this before migration
  const_set options[:all_name], _all

  # Constantize each instance
  _all.each do |instance|
    const_name = instance.send(options[:const_name]).to_s.upcase
    next if const_name.empty? || const_defined?(const_name)

    const_set const_name, instance
    send :define_method, "#{const_name.downcase}?" do; self === instance end
  end
end