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# frozen_string_literal: true
module RecordsUploads
module Concern
extend ActiveSupport::Concern
attr_accessor :upload
included do
after :store, :record_upload
before :remove, :destroy_upload
end
# After storing an attachment, create a corresponding Upload record
#
# NOTE: We're ignoring the argument passed to this callback because we want
# the `SanitizedFile` object from `CarrierWave::Uploader::Base#file`, not the
# `Tempfile` object the callback gets.
#
# Called `after :store`
# rubocop: disable CodeReuse/ActiveRecord
def record_upload(_tempfile = nil)
return unless model
return unless file && file.exists?
# MySQL InnoDB may encounter a deadlock if a deletion and an
# insert is in the same transaction due to its next-key locking
# algorithm, so we need to skip the transaction.
# https://gitlab.com/gitlab-org/gitlab-ce/issues/55161#note_131556351
if Gitlab::Database.mysql?
readd_upload
else
Upload.transaction { readd_upload }
end
end
def readd_upload
uploads.where(path: upload_path).delete_all
upload.delete if upload
self.upload = build_upload.tap(&:save!)
end
# rubocop: enable CodeReuse/ActiveRecord
def upload_path
File.join(store_dir, filename.to_s)
end
def filename
upload&.path ? File.basename(upload.path) : super
end
private
# rubocop: disable CodeReuse/ActiveRecord
def uploads
Upload.order(id: :desc).where(uploader: self.class.to_s)
end
# rubocop: enable CodeReuse/ActiveRecord
def build_upload
Upload.new(
uploader: self.class.to_s,
size: file.size,
path: upload_path,
model: model,
mount_point: mounted_as
)
end
# Before removing an attachment, destroy any Upload records at the same path
#
# Called `before :remove`
# rubocop: disable CodeReuse/ActiveRecord
def destroy_upload(*args)
return unless file && file.exists?
self.upload = nil
uploads.where(path: upload_path).delete_all
end
# rubocop: enable CodeReuse/ActiveRecord
end
end
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