Module: Stealth

Defined in:
lib/stealth/cli.rb,
lib/stealth/base.rb,
lib/stealth/jobs.rb,
lib/stealth/lock.rb,
lib/stealth/redis.rb,
lib/stealth/reply.rb,
lib/stealth/errors.rb,
lib/stealth/logger.rb,
lib/stealth/server.rb,
lib/stealth/session.rb,
lib/stealth/version.rb,
lib/stealth/cli_base.rb,
lib/stealth/reloader.rb,
lib/stealth/flow/base.rb,
lib/stealth/dispatcher.rb,
lib/stealth/flow/state.rb,
lib/stealth/nlp/client.rb,
lib/stealth/nlp/result.rb,
lib/stealth/configuration.rb,
lib/stealth/helpers/redis.rb,
lib/stealth/service_reply.rb,
lib/stealth/controller/nlp.rb,
lib/stealth/commands/server.rb,
lib/stealth/scheduled_reply.rb,
lib/stealth/service_message.rb,
lib/stealth/commands/command.rb,
lib/stealth/commands/console.rb,
lib/stealth/migrations/tasks.rb,
lib/stealth/controller/helpers.rb,
lib/stealth/controller/replies.rb,
lib/stealth/flow/specification.rb,
lib/stealth/generators/builder.rb,
lib/stealth/controller/messages.rb,
lib/stealth/generators/generate.rb,
lib/stealth/controller/callbacks.rb,
lib/stealth/controller/catch_all.rb,
lib/stealth/controller/dev_jumps.rb,
lib/stealth/services/base_client.rb,
lib/stealth/controller/controller.rb,
lib/stealth/migrations/generators.rb,
lib/stealth/migrations/configurator.rb,
lib/stealth/controller/dynamic_delay.rb,
lib/stealth/migrations/railtie_config.rb,
lib/stealth/controller/interrupt_detect.rb,
lib/stealth/services/base_reply_handler.rb,
lib/stealth/services/base_message_handler.rb,
lib/stealth/controller/unrecognized_message.rb,
lib/stealth/services/jobs/handle_message_job.rb

Defined Under Namespace

Modules: CliBase, Commands, Flow, Generators, Migrations, Nlp, Redis, RedisSupport, Services, Version Classes: Cli, Configuration, Controller, Dispatcher, Errors, Jobs, Lock, Logger, RedisConfig, Reloader, Reply, ScheduledReplyJob, Server, ServiceMessage, ServiceReply, Session

Constant Summary collapse

VERSION = 
Version.version

Class Method Summary collapse

Class Method Details

.boot ⇒ Object 



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# File 'lib/stealth/base.rb', line 39

def self.boot
  load_services_config
  load_environment
end

.bot_reloader ⇒ Object 



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# File 'lib/stealth/base.rb', line 63

def self.bot_reloader
  @bot_reloader
end

.config ⇒ Object 



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# File 'lib/stealth/base.rb', line 44

def self.config
  Thread.current[:configuration] ||= load_services_config
end

.configuration=(config) ⇒ Object 



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# File 'lib/stealth/base.rb', line 48

def self.configuration=(config)
  Thread.current[:configuration] = config
end

.default_autoload_paths ⇒ Object 



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# File 'lib/stealth/base.rb', line 52

def self.default_autoload_paths
  [
    File.join(Stealth.root, 'bot', 'controllers', 'concerns'),
    File.join(Stealth.root, 'bot', 'controllers'),
    File.join(Stealth.root, 'bot', 'models', 'concerns'),
    File.join(Stealth.root, 'bot', 'models'),
    File.join(Stealth.root, 'bot', 'helpers'),
    File.join(Stealth.root, 'config')
  ]
end

.env ⇒ Object 



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# File 'lib/stealth/base.rb', line 31

def self.env
  @env ||= ActiveSupport::StringInquirer.new(ENV['STEALTH_ENV'] || 'development')
end

.load_bot! ⇒ Object 



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# File 'lib/stealth/base.rb', line 114

def self.load_bot!
  @bot_reloader ||= begin
    bot_reloader = Stealth::Reloader.new
    bot_reloader.load_bot!
    bot_reloader
  end
end

.load_environment ⇒ Object 



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# File 'lib/stealth/base.rb', line 122

def self.load_environment
  require File.join(Stealth.root, 'config', 'boot')
  require_directory('config/initializers')

  load_bot!

  Sidekiq.configure_server do |config|
    config[:reloader] = Stealth.bot_reloader
  end

  if defined?(ActiveRecord)
    if ENV['DATABASE_URL'].present?
      ActiveRecord::Base.establish_connection(ENV['DATABASE_URL'])
    else
      database_config = File.read(File.join(Stealth.root, 'config', 'database.yml'))
      ActiveRecord::Base.establish_connection(
        YAML.load(ERB.new(database_config).result, aliases: true)[Stealth.env]
      )
    end
  end
end

.load_services_config(services_yaml = nil) ⇒ Object

Loads the services.yml configuration unless one has already been loaded



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# File 'lib/stealth/base.rb', line 85

def self.load_services_config(services_yaml=nil)
  @semaphore ||= Mutex.new
  services_yaml ||= Stealth.load_services_config(
    File.read(File.join(Stealth.root, 'config', 'services.yml'))
  )

  Thread.current[:configuration] ||= begin
    @semaphore.synchronize do
      services_config = YAML.safe_load(ERB.new(services_yaml).result, aliases: true)

      unless services_config.has_key?(env)
        raise Stealth::Errors::ConfigurationError, "Could not find services.yml configuration for #{env} environment"
      end

      config = Stealth::Configuration.new(services_config[env])
      set_config_defaults(config)

      config
    end
  end
end

.load_services_config!(services_yaml = nil) ⇒ Object

Same as ‘load_services_config` but forces the loading even if one has already been loaded



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# File 'lib/stealth/base.rb', line 109

def self.load_services_config!(services_yaml=nil)
  Thread.current[:configuration] = nil
  load_services_config(services_yaml)
end

.require_directory(directory) ⇒ Object 



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# File 'lib/stealth/base.rb', line 148

def self.require_directory(directory)
  for_each_file_in(directory) { |file| require_relative(file) }
end

.root ⇒ Object 



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# File 'lib/stealth/base.rb', line 35

def self.root
  @root ||= File.expand_path(Pathname.new(Dir.pwd))
end

.set_config_defaults(config) ⇒ Object 



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# File 'lib/stealth/base.rb', line 67

def self.set_config_defaults(config)
  defaults = {
    dynamic_delay_muliplier: 1.0,                     # values > 1 increase, values < 1 decrease delay
    session_ttl: 0,                                   # 0 seconds; don't expire sessions
    lock_autorelease: 30,                             # 30 seconds
    transcript_logging: false,                        # show user replies in the logs
    hot_reload: Stealth.env.development?,             # hot reload bot files on change (dev only)
    eager_load: Stealth.env.production?,              # eager load bot files for performance (prod only)
    autoload_paths: Stealth.default_autoload_paths,   # array of autoload paths used in eager and hot reloading
    autoload_ignore_paths: [],                        # paths to exclude from eager and hot reloading
    nlp_integration: nil,                             # NLP service to use, defaults to none
    log_all_nlp_results: false,                       # log NLP service requests; useful for debugging/improving NLP models
    auto_insert_delays: true                          # automatically insert delays/typing indicators between all replies
  }
  defaults.each { |option, default| config.set_default(option, default) }
end

.tid ⇒ Object 



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# File 'lib/stealth/base.rb', line 144

def self.tid
  Thread.current.object_id.to_s(36)
end