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Module: ActiveRecord::DynamicMatchers::Finder

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Included In:
FindBy, FindByBang
Defined in: activerecord/lib/active_record/dynamic_matchers.rb

Instance Method Summary

  • #attributes_hash

    Given that the parameters starts with _, the finder needs to use the same parameter name.

  • #body

    Extended in activerecord-deprecated_finders.

  • #finder
  • #result

    Extended in activerecord-deprecated_finders.

  • #signature

    The parameters in the signature may have reserved Ruby words, in order to prevent errors, we start each param name with _.

Instance Method Details

#attributes_hash

Given that the parameters starts with _, the finder needs to use the same parameter name.

[ GitHub ] 

  


# File 'activerecord/lib/active_record/dynamic_matchers.rb', line 101



def attributes_hash
  "{" + attribute_names.map { |name| ":#{name} => _#{name}" }.join(',') + "}"
end


  








  

    #body  
  



  

    

Extended in activerecord-deprecated_finders


  



  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/dynamic_matchers.rb', line 82



def body
  result
end


  








  

    #finder  
  



  

    
  





  
Raises:


    
  
  • 
    (NotImplementedError)
  
    • 





  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/dynamic_matchers.rb', line 105



def finder
  raise NotImplementedError
end


  








  

    #result  
  



  

    

Extended in activerecord-deprecated_finders


  



  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/dynamic_matchers.rb', line 87



def result
  "#{finder}(#{attributes_hash})"
end


  








  

    #signature  
  



  

    

The parameters in the signature may have reserved Ruby words, in order to prevent errors, we start each param name with _.



Extended in activerecord-deprecated_finders


  



  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/dynamic_matchers.rb', line 95



def signature
  attribute_names.map { |name| "_#{name}" }.join(', ')
end