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module RecordsUploads
extend ActiveSupport::Concern
included do
after :store, :record_upload
before :remove, :destroy_upload
end
private
# 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`
def record_upload(_tempfile)
return unless file_storage?
return unless file.exists?
Upload.record(self)
end
# When removing an attachment, destroy any Upload records at the same path
#
# Note: this _will not work_ for Uploaders which relativize paths, such as
# `FileUploader`, but because that uploader uses different paths for every
# upload, that's an acceptable caveat.
#
# Called `before :remove`
def destroy_upload(*args)
return unless file_storage?
return unless file
Upload.remove_path(relative_path)
end
end
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