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Contents
require 'poms/errors'
module Poms
# The configuration is a container for configuration values that control the
# Poms gem.
class Configuration
attr_accessor :key, :origin, :secret, :base_uri
attr_reader :credentials
# The fallback base URI in case none is explicitly specified.
DEFAULT_BASE_URI = 'https://rs.poms.omroep.nl'.freeze
# List of special credential keys that need to be present in order to be
# able to use the API.
REQUIRED_CREDENTIAL_KEYS = %i[key origin secret].freeze
# Build a new configuration object, including validations and freezing.
#
# You probably want to use a block to specify the different configuration
# options, but when no block is specified, default values will be read from
# the environment.
def initialize
reset
yield self if block_given?
validate
@credentials = OpenStruct.new(key: key, origin: origin, secret: secret)
freeze
end
private
def validate
assert_credentials
assert_base_uri
end
def assert_credentials
REQUIRED_CREDENTIAL_KEYS.each do |key|
next if send(key).present?
raise Errors::AuthenticationError, "#{key} must be supplied"
end
end
def assert_base_uri
base_uri or
raise Errors::MissingConfigurationError, 'base_uri must be supplied'
end
def reset
@credentials = nil
self.key = ENV['POMS_KEY']
self.origin = ENV['POMS_ORIGIN']
self.secret = ENV['POMS_SECRET']
self.base_uri = Addressable::URI.parse(
ENV.fetch('POMS_BASE_URI', DEFAULT_BASE_URI)
)
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems