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Contents
class Shrine
module Plugins
# Allows an uploader to have more than one 'cache' -- although the main one registered
# as normal will ordinarily be used, you can manually assign UploadedFiles (or hashes)
# specifying other caches, and they will be accepted, and promoted.
#
# Invented for use with shrine-url.
#
# Shrine.storages = {
# cache: ...,
# store: ...,
# remote_url: Shrine::Storage::Url.new
# }
#
# class SomeUploader < Shrine
# plugin :kithe_multi_cache, additional_cache: [:remote_url, :something_else]
# ...
# end
#
# Now in your model, you can
#
# my_model.attached_file = { "id" => "http://example.com", "storage" => "remote_url"}
#
# And the data can be saved, and the remote url (shrine-url) file will be promoted as usual,
# even though it's not registered as the cache storage.
#
# NOTE: This implementation can be made a lot simpler once this PR is in a shrine release:
# https://github.com/shrinerb/shrine/pull/319
# https://github.com/shrinerb/shrine/commit/88c23d54814568b04987680f00b6b36f421c8d81
module KitheMultiCache
def self.configure(uploader, options = {})
uploader.opts[:kithe_multi_cache_keys] = Array(options[:additional_cache]).collect(&:to_s)
end
# override #cache to lazily extend with our custom module. Kinda hacky,
# but couldn't think of any other way to only extend the "cache" uploader,
# and not the "store" uploader.
module AttacherMethods
def cached?(file = get)
super || (file && shrine_class.opts[:kithe_multi_cache_keys].include?(file.storage_key))
end
end
end
register_plugin(:kithe_multi_cache, KitheMultiCache)
end
end
Version data entries
6 entries across 6 versions & 1 rubygems