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Contents
# frozen_string_literal: true
module Decidim
# This class can be used to parse ENV variables to a set of predefined values
# For instance, "", nil, "false" or 0 will all translate into false using valid?
class Env
FALSE_VALUES = %w(0 false no).freeze
def initialize(name, default = nil)
@name = name
@value = ENV.fetch(name, nil)
@default = default
end
def value
@value.presence || @default
end
delegate :to_s, :to_json, to: :value
def blank?
value.blank? || FALSE_VALUES.include?(value.to_s.downcase)
end
# rubocop:disable Rails/Present
def present?
!blank?
end
# rubocop:enable Rails/Present
def to_boolean_string
present?.to_s
end
def to_i
str = blank? ? @default : value
str.to_s.to_i
end
def to_f
str = blank? ? @default : value
str.to_s.to_f
end
def default_or_present_if_exists
return @default unless ENV.has_key?(@name)
@value.present? && FALSE_VALUES.exclude?(@value.to_s.downcase)
end
def to_array(separator: ",")
str = blank? ? @default : value
str.to_s.split(separator).map(&:strip)
end
end
end
Version data entries
25 entries across 25 versions & 1 rubygems