Class: Alchemy::Upgrader

Inherits:
Object
  • Object
show all
Includes:
Shell, Thor::Actions, Thor::Base
Defined in:
lib/alchemy/upgrader.rb,
lib/alchemy/upgrader/eight_one.rb,
lib/alchemy/upgrader/eight_zero.rb

Defined Under Namespace

Modules: EightOne, EightZero

Constant Summary collapse

VERSION_MODULE_MAP = 
{
  "8.0" => "Alchemy::Upgrader::EightZero",
  "8.1" => "Alchemy::Upgrader::EightOne"
}

Constants included from Shell

Shell::COLORS

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Shell

#add_todo, #desc, #display_todos, #log, silence!, silenced?, #todo, #todos, verbose!

Constructor Details

#initialize(version) ⇒ Upgrader

Returns a new instance of Upgrader.



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# File 'lib/alchemy/upgrader.rb', line 28

def initialize(version)
  super()
  self.class.include VERSION_MODULE_MAP[version.to_s].constantize
end

Class Method Details

.[](version) ⇒ Object

Returns a memoized upgrader instance for the given version. This ensures todos are accumulated across rake tasks.



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# File 'lib/alchemy/upgrader.rb', line 23

def self.[](version)
  @instances ||= {}
  @instances[version.to_s] ||= new(version)
end

Instance Method Details

#run_migrations ⇒ Object 



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# File 'lib/alchemy/upgrader.rb', line 39

def run_migrations
  ActiveRecord::Migration.check_all_pending!
rescue ActiveRecord::PendingMigrationError
  desc "Pending Database migrations."
  if yes?("Run database migrations now? (y/N)")
    log "Migrating Database..."
    Rake::Task["db:migrate"].invoke
  else
    log "Don't forget to run database migrations later with rake `db:migrate`.", :skip
  end
end

#update_config ⇒ Object 



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# File 'lib/alchemy/upgrader.rb', line 33

def update_config
  desc "Copy configuration file."
  @default_config = Alchemy::Configurations::Main.new
  template("templates/alchemy.rb.tt", "config/initializers/alchemy.rb")
end