rosa-build/app/services/file_store_service.rb

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2014-06-20 19:40:18 +01:00
module FileStoreService
class File
URL = APP_CONFIG['file_store_url']
attr_accessor :sha1, :file
# @param [String] sha1
# @param [Hash] data:
# - [String] path - path to file
# - [String] fullname - file name
def initialize(sha1: nil, data: {})
@sha1, @file = sha1, file
end
def exist?
resp = JSON(RestClient.get "#{URL}/api/v1/file_stores.json", params: {hash: sha1})
if resp[0].respond_to?('[]') && resp[0]['file_name'] && resp[0]['sha1_hash']
true
else
false
end
rescue # Dont care about it
return false
end
def save
sha1 = Digest::SHA1.hexdigest(File.read(data[:path]))
return sha1 if exist?
resource = RestClient::Resource.new("#{URL}/api/v1/upload", user: token)
file = File.new(data[:path])
# Hook for RestClient
# See: [RestClient::Payload#create_file_field](https://github.com/rest-client/rest-client/blob/master/lib/restclient/payload.rb#L202-L215)
file.define_singleton_method(:original_filename) { data[:fullname] }
resp = resource.post(file_store: { file: file })
resp = JSON(resp)
if resp.respond_to?(:[]) && resp['sha1_hash'].present?
resp['sha1_hash']
else
nil
end
rescue RestClient::UnprocessableEntity => e # 422, file already exist
return sha1
rescue # Dont care about it
return nil
end
def destroy
uri = URI(URL)
Net::HTTP.start(uri.host, uri.port) do |http|
req = Net::HTTP::Delete.new("/api/v1/file_stores/#{sha1}.json")
req.basic_auth token, ''
http.request(req)
end
rescue # Dont care about it
end
protected
def token
Rails.cache.fetch([FileStoreService::File, :token], expires_in: 10.minutes) do
User.find_by(uname: 'file_store').authentication_token
end
end
end
end