Module: DataMapper::Resource

Defined in:
lib/data_mapper/noisy_failures.rb

Constant Summary collapse

@@original_included_method = 
self.method(:included) rescue nil

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/data_mapper/noisy_failures.rb', line 30

def self.included(base)
  @@original_included_method.call(base) unless @@original_included_method.nil?

  def base.create?(*args)
    self.create(*args)
  rescue => e
    nil
  end
end

Instance Method Details

#destroy ⇒ Object

Raises:

  • (SaveFailureError) 


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# File 'lib/data_mapper/noisy_failures.rb', line 12

def destroy
  return true if self.destroy?
  error_message = "#{self.class}: Unable to destroy, probably due to associated records."
  raise SaveFailureError.new(error_message, self)
end

#destroy? ⇒ Object 



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# File 'lib/data_mapper/noisy_failures.rb', line 4

alias_method :destroy?, :destroy

#save ⇒ Object

Raises:

  • (SaveFailureError) 


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# File 'lib/data_mapper/noisy_failures.rb', line 6

def save
  return true if self.save? || self.errors.empty?
  error_message = self.errors.map { |e| "#{self.class}: #{e.join(', ')}" }.join("; ")
  raise SaveFailureError.new(error_message, self)
end

#save? ⇒ Object 



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# File 'lib/data_mapper/noisy_failures.rb', line 3

alias_method :save?, :save

#update?(*args) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/data_mapper/noisy_failures.rb', line 18

def update?(*args)
  self.update(*args)
  true
rescue => e
  # This seems like the cleanest way of doing this. #update calls #save internally, so we can't
  # use alias_method because then #update? would call #save, which would raise an exception now
  # that we've done our monkey-patching.
  false
end