Module: ActiveRecord::DynamicMatchers::Finder

Included in:
FindBy, FindByBang
Defined in:
lib/active_record/dynamic_matchers.rb

Instance Method Summary collapse

Instance Method Details

#attributes_hash ⇒ Object

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



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# File 'lib/active_record/dynamic_matchers.rb', line 97

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

#body ⇒ Object

Extended in activerecord-deprecated_finders



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# File 'lib/active_record/dynamic_matchers.rb', line 78

def body
  result
end

#finder ⇒ Object

Raises:

  • (NotImplementedError) 


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

def finder
  raise NotImplementedError
end

#result ⇒ Object

Extended in activerecord-deprecated_finders



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# File 'lib/active_record/dynamic_matchers.rb', line 83

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

#signature ⇒ Object

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



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# File 'lib/active_record/dynamic_matchers.rb', line 91

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