Contents

module Datagrid
  module Drivers
    class Mongoid < AbstractDriver

      def self.match?(scope)
        return false unless defined?(::Mongoid)
        if scope.is_a?(Class) 
          scope.ancestors.include?(::Mongoid::Document)
        else
          scope.is_a?(::Mongoid::Criteria)
        end
      end

      def to_scope(scope)
        scope.where(nil)
      end

      def where(scope, attribute, value)
        if value.is_a?(Range)
          value = {"$gte" => value.first, "$lte" => value.last}
        end
        scope.where(attribute => value)
      end

      def asc(scope, order)
        scope.asc(order)
      end

      def desc(scope, order)
        scope.desc(order)
      end

      def default_order(scope, column_name)
        has_column?(scope, column_name) ? column_name : nil
      end

      def greater_equal(scope, field, value)
        scope.where(field => {"$gte" => value})
      end

      def less_equal(scope, field, value)
        scope.where(field => {"$lte" => value})
      end

      def has_column?(scope, column_name)
        to_scope(scope).klass.fields.keys.include?(column_name.to_s)
      end

      def is_timestamp?(scope, column_name)
        has_column?(scope, column_name) &&
          timestamp_class?(to_scope(scope).klass.fields[column_name.to_s].type)
      end
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
datagrid-0.9.3	lib/datagrid/drivers/mongoid.rb
datagrid-0.9.2	lib/datagrid/drivers/mongoid.rb
datagrid-0.9.0	lib/datagrid/drivers/mongoid.rb
datagrid-0.8.4	lib/datagrid/drivers/mongoid.rb