Class: PolymorphicUploader

Inherits:
CarrierWave::Uploader::Base
  • Object
show all
Defined in:
app/uploaders/polymorphic_uploader.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ PolymorphicUploader

Returns a new instance of PolymorphicUploader.



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# File 'app/uploaders/polymorphic_uploader.rb', line 80

def initialize(*args, &)
  super
end

Class Method Details

.cache_dir ⇒ Object

This is where files are stored on upload. We are using callbacks to empty it after upload



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# File 'app/uploaders/polymorphic_uploader.rb', line 92

def self.cache_dir
  "#{Rails.root}/tmp/uploads"
end

Instance Method Details

#cache_dir ⇒ Object 



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# File 'app/uploaders/polymorphic_uploader.rb', line 96

def cache_dir
  self.class.cache_dir
end

#delete_tmp_dir(_new_file) ⇒ Object 



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# File 'app/uploaders/polymorphic_uploader.rb', line 108

def delete_tmp_dir(_new_file)
  # make sure we don't delete other things accidentally by checking the name pattern
  FileUtils.rm_rf(File.join(cache_dir, @cache_id_was)) if @cache_id_was.present? && @cache_id_was =~ /\A[\d-]*\z/
end

#exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/uploaders/polymorphic_uploader.rb', line 84

def exists?
  @column.blank?
end

#remember_cache_id(_new_file) ⇒ Object

store! nils the cache_id after it finishes so we need to remember it for deletion



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# File 'app/uploaders/polymorphic_uploader.rb', line 104

def remember_cache_id(_new_file)
  @cache_id_was = cache_id
end