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Versions: 19
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Stored size: 1.2 KB
Contents
module Zanders
class Base
def self.connect(options = {})
requires!(options, :username, :password)
Net::FTP.open(Zanders.config.ftp_host, options[:username], options[:password]) do |ftp|
ftp.passive = true
yield ftp
end
rescue Net::FTPPermError
raise Zanders::NotAuthenticated
end
protected
# Wrapper to `self.requires!` that can be used as an instance method.
def requires!(*args)
self.class.requires!(*args)
end
def self.requires!(hash, *params)
params.each do |param|
if param.is_a?(Array)
raise ArgumentError.new("Missing required parameter: #{param.first}") unless hash.has_key?(param.first)
valid_options = param[1..-1]
raise ArgumentError.new("Parameter: #{param.first} must be one of: #{valid_options.join(', ')}") unless valid_options.include?(hash[param.first])
else
raise ArgumentError.new("Missing required parameter: #{param}") unless hash.has_key?(param)
end
end
end
# Instance methods become class methods through inheritance
def connect(options)
self.class.connect(options) do |ftp|
yield ftp
end
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems