Class: CanCan::ModelAdapters::ActiveRecord4Adapter

Inherits:
AbstractAdapter show all
Includes:
ActiveRecordAdapter
Defined in:
lib/cancan/model_adapters/active_record_4_adapter.rb

Class Method Summary collapse

Methods included from ActiveRecordAdapter

#calculate_nested, #calculate_result_hash, #conditions, #database_records, #extract_multiple_conditions, #tableized_conditions

Methods included from CanCan::ModelAdapters::ActiveRecordAdapter::Joins

#joins

Methods inherited from AbstractAdapter

adapter_class, #database_records, find, inherited, #initialize, matches_conditions_hash?, override_conditions_hash_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/active_record_4_adapter.rb', line 5

def self.for_class?(model_class)
  model_class <= ActiveRecord::Base
end

.matches_condition?(subject, name, value) ⇒ Boolean

TODO: this should be private

Returns:

  • (Boolean) 


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# File 'lib/cancan/model_adapters/active_record_4_adapter.rb', line 15

def self.matches_condition?(subject, name, value)
  # Get the mapping from enum strings to values.
  enum = subject.class.send(name.to_s.pluralize)
  # Get the value of the attribute as an integer.
  attribute = enum[subject.send(name)]
  # Check to see if the value matches the condition.
  if value.is_a?(Enumerable)
    value.include? attribute
  else
    attribute == value
  end
end

.override_condition_matching?(subject, name, _value) ⇒ Boolean

TODO: this should be private

Returns:

  • (Boolean) 


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# File 'lib/cancan/model_adapters/active_record_4_adapter.rb', line 10

def self.override_condition_matching?(subject, name, _value)
  subject.class.defined_enums.include?(name.to_s)
end