module QueryInterface::Server::Transformations

Public Class Methods

included(base) click to toggle source
# File lib/query-interface-server/transformations.rb, line 5
def self.included(base)    
  base.extend(ClassMethods)
  base.dataset_module do
    def query_transformation(type, name, *args)
      block = model.instance_variable_get(:@query_transformations)[type][name]
      if block
        self.instance_exec(*args, &block)
      elsif type == :order and args.count == 1
        self.order_append(Sequel.send(args[0], name.to_sym))
      else
        raise "No #{type} implementation for #{name}"
      end
    end
  end
  base.instance_variable_set(:@query_transformations, {
    exclude: {},
    filter: {},
    with: {},
    order: {},
    update: {},
  })
end

Public Instance Methods

query_transformation(type, name, *args) click to toggle source
# File lib/query-interface-server/transformations.rb, line 8
def query_transformation(type, name, *args)
  block = model.instance_variable_get(:@query_transformations)[type][name]
  if block
    self.instance_exec(*args, &block)
  elsif type == :order and args.count == 1
    self.order_append(Sequel.send(args[0], name.to_sym))
  else
    raise "No #{type} implementation for #{name}"
  end
end