Class: CanCan::ModelAdapters::MongoidAdapter

Inherits:
AbstractAdapter show all
Defined in:
lib/cancan/model_adapters/mongoid_adapter.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from AbstractAdapter

adapter_class, inherited, #initialize, matches_condition?, override_condition_matching?

Constructor Details

This class inherits a constructor from CanCan::ModelAdapters::AbstractAdapter

Class Method Details

.for_class?(model_class) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cancan/model_adapters/mongoid_adapter.rb', line 4

def self.for_class?(model_class)
  model_class <= Mongoid::Document
end

.matches_conditions_hash?(subject, conditions) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cancan/model_adapters/mongoid_adapter.rb', line 12

def self.matches_conditions_hash?(subject, conditions)
  # To avoid hitting the db, retrieve the raw Mongo selector from
  # the Mongoid Criteria and use Mongoid::Matchers#matches?
  subject.matches?( subject.class.where(conditions).selector )
end

.override_conditions_hash_matching?(subject, conditions) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cancan/model_adapters/mongoid_adapter.rb', line 8

def self.override_conditions_hash_matching?(subject, conditions)
  conditions.any? { |k,v| !k.kind_of?(Symbol) }
end

Instance Method Details

#database_records ⇒ Object 



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# File 'lib/cancan/model_adapters/mongoid_adapter.rb', line 18

def database_records
  if @rules.size == 0  
    @model_class.where(:_id => {'$exists' => false, '$type' => 7}) # return no records in Mongoid
  else
    @rules.inject(@model_class.all) do |records, rule|
      if rule.base_behavior
        records.or(rule.conditions)
      else
        records.excludes(rule.conditions)
      end
    end
  end
end