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# File 'lib/better_storage/attachment.rb', line 3
def public_url(style = :original)
return nil unless persisted?
key = if style == :original
self.key
else
variants = record.attachment_reflections[name]&.variants
transformations = variants.fetch(style) do
record_model_name = record.to_model.model_name.name
raise ArgumentError, "Cannot find variant :#{style} for #{record_model_name}##{name}"
end
transformation_key = ActiveStorage::Variation.wrap(transformations).digest
variant_cache_key = "#{id}-#{transformation_key}"
Rails.cache.fetch([:better_storage_public_url, variant_cache_key, BetterStorage::VERSION]) do
variant(style).processed.key
end
end
BetterStorage.public_url(key)
end
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