Module: Paperclip::Helpers

Included in:
Paperclip
Defined in:
lib/paperclip/helpers.rb

Instance Method Summary collapse

Instance Method Details

#class_for(class_name) ⇒ Object 



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# File 'lib/paperclip/helpers.rb', line 26

def class_for(class_name)
  class_name.split("::").inject(Object) do |klass, partial_class_name|
    if klass.const_defined?(partial_class_name)
      klass.const_get(partial_class_name, false)
    else
      klass.const_missing(partial_class_name)
    end
  end
end

#configure {|_self| ... } ⇒ Object

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/paperclip/helpers.rb', line 5

def configure
  yield(self) if block_given?
end

#each_instance_with_attachment(klass, name) ⇒ Object

Find all instances of the given Active Record model klass with attachment name. This method is used by the refresh rake tasks.



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# File 'lib/paperclip/helpers.rb', line 20

def each_instance_with_attachment(klass, name)
  class_for(klass).unscoped.where("#{name}_file_name IS NOT NULL").find_each do |instance|
    yield(instance)
  end
end

#interpolates(key, &block) ⇒ Object 



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# File 'lib/paperclip/helpers.rb', line 9

def interpolates(key, &block)
  Paperclip::Interpolations[key] = block
end

#reset_duplicate_clash_check! ⇒ Object 



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# File 'lib/paperclip/helpers.rb', line 36

def reset_duplicate_clash_check!
  @names_url = nil
end

#run(command, arguments = nil, interpolation_values = {}, local_options = {}) ⇒ Object

Deprecated.

Will be removed in Paperclip 8.0. Use Paperclip::Commands::Runner.run instead.



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# File 'lib/paperclip/helpers.rb', line 14

def run(command, arguments = nil, interpolation_values = {}, local_options = {})
  Commands::Runner.run(command, nil, arguments, interpolation_values, local_options)
end