Configuration PORO

app_settings.rb

# frozen_string_literal: true

class AppSettings
  def self.env_fetch(method_name:, key:)
    define_singleton_method(method_name){ ENV.fetch(key) }
  end

  env_fetch(method_name: :webserver_port, key: "PORT")

  env_fetch(method_name: :default_host, key: "DEFAULT_HOST")
  env_fetch(method_name: :relying_party_origin, key: "RELYING_PARTY_ORIGIN")

  env_fetch(method_name: :support_url, key: "SUPPORT_URL")
  env_fetch(method_name: :support_email, key: "SUPPORT_EMAIL")

  env_fetch(method_name: :postmark_api_token, key: "POSTMARK_API_TOKEN")

  def self.rails_semantic_logger_format
    ENV.fetch("RAILS_SEMANTIC_LOGGER_FORMAT") { nil }
  end

  def self.default_host_uri
    URI.parse("https://#{self.default_host}")
  end

  def self.generate_uri(subdomain:)
    uri = default_host_uri
    uri.host = uri.host.prepend(subdomain.to_s, ".")
    return uri
  end

  def self.default_url_options
    { host: self.default_host, protocol: :https }
  end
end

WorkoutConfiguration.swift

// Example Swift configuration Actor; where the idea originated

actor WorkoutAppConfiguration {
    static let instance = WorkoutAppConfiguration()

    public let authenticationSessionSchema: String
    public let HealthKitIdentifier: String

    init(){
        self.authenticationSessionSchema = Bundle.main.infoDictionary!["AUTHENTICATION_SERVICES_CALLBACK_SCHEME"] as! String
        self.HealthKitIdentifier = Bundle.main.infoDictionary!["HEALTH_KIT_IDENTIFIER"] as! String
    }
}