Contents

# frozen_string_literal: true

require 'active_support/core_ext/hash/deep_merge'
require 'forwardable'
require 'pathname'
require 'singleton'
require 'yaml'

require_relative 'config/config_helper'

# Global config wrapper
module Core
  # configuration wrapper
  class Config
    include Singleton
    include ConfigHelper

    attr_reader :config_name

    def initialize
      @config_name = ENV['SA_ENV'] ||= 'local'
      @config = {}
      ['base', @config_name].each do |name|
        f = Pathname.new(CONFIG_DIR).join("#{name}.yml")
        c = YAML.load_file(f)
        next unless c
        @config.deep_merge!(c)
      rescue StandardError => e
        STDERR.puts "Error reading config file #{e}"
        raise
      end
    end

    def key?(key)
      ENV.key?(key) || @config.key?(key)
    end

    def [](key)
      ENV.key?(key) ? ENV[key] : @config[key]
    end

    # forward class method calls to the instance so we can do Config['VARNAME'] or Config.get_i!(:FOO)
    class << self
      extend Forwardable
      def_delegators :instance, *Config.instance_methods(false), *ConfigHelper.instance_methods(false)
    end
  end
end

Core::Config.instance

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
svcbase-0.1.18	lib/svcbase/config.rb
svcbase-0.1.17	lib/svcbase/config.rb
svcbase-0.1.16	lib/svcbase/config.rb