Module: Etna::Application

Defined in:
lib/etna/application.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#logger ⇒ Object (readonly)

the application logger is available globally



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# File 'lib/etna/application.rb', line 51

def logger
  @logger
end

Class Method Details

.find(klass) ⇒ Object 



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# File 'lib/etna/application.rb', line 14

def self.find(klass)
  Kernel.const_get(
    klass.name.split('::').first
  ).instance
end

.included(other) ⇒ Object 



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# File 'lib/etna/application.rb', line 10

def self.included(other)
  other.include Singleton
end

.instance ⇒ Object 



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# File 'lib/etna/application.rb', line 24

def self.instance
  @instance
end

.register(app) ⇒ Object 



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# File 'lib/etna/application.rb', line 20

def self.register(app)
  @instance = app
end

Instance Method Details

#commands ⇒ Object 



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# File 'lib/etna/application.rb', line 81

def commands
  @commands ||= Hash[
    find_descendents(Etna::Command).map do |c|
      cmd = c.new
      [ cmd.name, cmd ]
    end
  ]
end

#config(type) ⇒ Object 



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# File 'lib/etna/application.rb', line 53

def config(type)
  @config[environment][type]
end

#configure(opts) ⇒ Object 



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# File 'lib/etna/application.rb', line 32

def configure(opts)
  @config = opts
end

#environment ⇒ Object 



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# File 'lib/etna/application.rb', line 61

def environment
  (ENV["#{self.class.name.upcase}_ENV"] || :development).to_sym
end

#find_descendents(klass) ⇒ Object 



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# File 'lib/etna/application.rb', line 65

def find_descendents(klass)
  ObjectSpace.each_object(Class).select do |k|
    k < klass
  end
end

#initialize ⇒ Object 



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# File 'lib/etna/application.rb', line 28

def initialize
  Etna::Application.register(self)
end

#run_command(config, cmd = :help, *args) ⇒ Object 



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# File 'lib/etna/application.rb', line 71

def run_command(config, cmd = :help, *args)
  cmd = cmd.to_sym
  if commands.key?(cmd)
    commands[cmd].setup(config)
    commands[cmd].execute(*args)
  else
    commands[:help].execute
  end
end

#setup_logger ⇒ Object 



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# File 'lib/etna/application.rb', line 36

def setup_logger
  @logger = Etna::Logger.new(
    # The name of the log_file, required.
    config(:log_file),
    # Number of old copies of the log to keep.
    config(:log_copies) || 5,
    # How large the log can get before overturning.
    config(:log_size) || 1048576
  )
  log_level = (config(:log_level) || 'warn').upcase.to_sym

  @logger.level = Logger.const_defined?(log_level) ? Logger.const_get(log_level) : Logger::WARN
end

#sign ⇒ Object 



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# File 'lib/etna/application.rb', line 57

def sign
  @sign ||= Etna::SignService.new(self)
end