Method: CanCan::ModelAdapters::MongoidAdapter#database_records

Defined in:
lib/cancan/model_adapters/mongoid_adapter.rb

#database_records ⇒ Object 



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# File 'lib/cancan/model_adapters/mongoid_adapter.rb', line 25

def database_records
  if @rules.size == 0
    @model_class.where(:_id => {'$exists' => false, '$type' => 7}) # return no records in Mongoid
  elsif @rules.size == 1 && @rules[0].conditions.is_a?(Mongoid::Criteria)
    @rules[0].conditions
  else
    # we only need to process can rules if
    # there are no rules with empty conditions
    rules = @rules.reject { |rule| rule.conditions.empty? && rule.base_behavior }
    process_can_rules = @rules.count == rules.count

    rules.inject(@model_class.all) do |records, rule|
      if process_can_rules && rule.base_behavior
        records.or rule.conditions
      elsif !rule.base_behavior
        records.excludes rule.conditions
      else
        records
      end
    end
  end
end