ruby-on-rails – 在rake任务中包含Rails类？

概述我对Rails很新,所以如果我的问题没有最有意义,我会道歉. 我有一个名为PaymentGatewayCipher的类看起来像： require 'openssl'# Encapsulates payment gateway encryption / decryption utility functionsclass PaymentGatewayCipher class << self 我对Rails很新,所以如果我的问题没有最有意义,我会道歉.

我有一个名为PaymentGatewayCipher的类看起来像：

require 'openssl'# Encapsulates payment gateway encryption / decryption utility functionsclass PaymentGatewayCipher  class << self    def encrypt(file,options = {})      cipher = create_cipher      cipher.encrypt(cipher_key)      data = cipher.update(file.read(file))      data << cipher.final      if to_file = options[:to]        # Write it out to a different file        file.open(to_file,'wb') do |f|          f << data        end      end      data    end    # Decrypts the given file    def decrypt(file)      cipher = create_cipher      cipher.decrypt(cipher_key)      encrypted_data = file.open(file,'rb') {|io| io.read}      data = cipher.update(encrypted_data)      data << cipher.final    end    # Generates the cipher to be used for encryption/decryption    def create_cipher      OpenSSL::Cipher::Cipher.new('aes-256-cbc')    end    # Loads the cipher key used for the symmetric algorithm    def cipher_key      file.open(file.join(Rails.root,'config/mystuff/live/cipher.key'),'rb') {|io| io.read}    end  endend

我想写一个rake任务来运行它来解密文件.我试过把一个文件放在tasks / Rakefile中,看起来像：

directory "tasks"task :decrypt_test do  puts "Decypting"  pay_pal_config = PaymentGatewayCipher.decrypt('hpa1')end

然而,当我运行它时,它说无法找到Class :: Rails

救命？

解决方法 使用lib / tasks文件夹,不要忘记在任务中包含rails环境：

directory "tasks"task :decrypt_test => :environment do  puts "Decypting"  pay_pal_config = PaymentGatewayCipher.decrypt('hpa1')end

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