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# File 'mod/carrierwave/lib/carrier_wave/cardmount.rb', line 15
def mount_uploader column, uploader=nil, options={}, &block
options[:mount_on] ||= :db_content
super
class_eval " event :store_\#{column}_event, :finalize, on: :save do\n store_\#{column}!\n end\n\n # remove files only if card has no history\n event :remove_\#{column}_event, :finalize,\n on: :delete, when: proc { |c| !c.history? } do\n remove_\#{column}!\n end\n event :mark_remove_\#{column}_false_event, :finalize,\n on: :update do\n mark_remove_\#{column}_false\n end\n event :store_previous_changes_for_\#{column}_event, :store,\n on: :update, when: proc { |c| !c.history? } do\n store_previous_changes_for_\#{column}\n end\n event :remove_previously_stored_\#{column}_event, :finalize,\n on: :update, when: proc { |c| !c.history?} do\n remove_previously_stored_\#{column}\n end\n\n def attachment\n \#{column}\n end\n\n def store_attachment!\n store_\#{column}!\n end\n\n def attachment_name\n \"\#{column}\".to_sym\n end\n\n def read_uploader *args\n read_attribute *args\n end\n\n def write_uploader *args\n write_attribute *args\n end\n\n def \#{column}=(new_file)\n return if new_file.blank?\n assign_file(new_file) { super }\n end\n\n def remote_\#{column}_url=(url)\n assign_file(url) { super }\n end\n\n def assign_file file\n db_column = _mounter(:\#{column}).serialization_column\n send(:\"\\\#{db_column}_will_change!\") # unless attribute_is_changing? db_column\n if web?\n self.content = file\n else\n send(:\"\#{column}_will_change!\")\n yield\n end\n end\n\n def remove_\#{column}=(value)\n column = _mounter(:\#{column}).serialization_column\n send(:\"\\\#{column}_will_change!\")\n super\n end\n\n def remove_\#{column}!\n self.remove_\#{column} = true\n write_\#{column}_identifier\n self.remove_\#{column} = false\n super\n end\n\n def \#{column}_will_change!\n @\#{column}_changed = true\n @\#{column}_is_changing = true\n end\n \n def \#{column}_is_changing?\n @\#{column}_is_changing\n end\n\n def \#{column}_changed?\n @\#{column}_changed\n end\n\n def serializable_hash(options=nil)\n hash = {}\n\n except = options && options[:except] &&\n Array.wrap(options[:except]).map(&:to_s)\n only = options && options[:only] &&\n Array.wrap(options[:only]).map(&:to_s)\n\n self.class.uploaders.each do |column, uploader|\n if (!only && !except) || (only && only.include?(column.to_s)) ||\n (!only && except && !except.include?(column.to_s))\n hash[column.to_s] = _mounter(column).uploader.serializable_hash\n end\n end\n super(options).merge(hash)\n end\n RUBY\nend\n", __FILE__, __LINE__ + 1
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