Class: App

Inherits:
Thor
  • Object
show all
Includes:
Thor::Actions
Defined in:
lib/tern/app.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#app_name ⇒ Object

Returns the value of attribute app_name.



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# File 'lib/tern/app.rb', line 9

def app_name
  @app_name
end

Instance Method Details

#generate(type, name) ⇒ Object 



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# File 'lib/tern/app.rb', line 43

def generate(type, name)
  unless File.exist?('config.yml')
    say 'This directory does not appear to be a Tern project. config.yml not found.', :red
    return
  end

  case type
  when 'a', 'alteration'
    current_version = Dir.entries('alterations').map do |f|
      f =~ /^(\d+)_.*.sql$/ ? $1.to_i : 0
    end.max
    zero_padded_next_version = (current_version+1).to_s.rjust(3, "0")
    file_name = "#{zero_padded_next_version}_#{name}.sql"
    copy_file "change.sql", "alterations/#{file_name}"
  when 'd', 'definition'
    file_name = "#{name}.sql"
    copy_file "change.sql", "definitions/#{file_name}"
    say "Remember to add #{file_name} in your sequence.yml file."
  else
    say "#{type} is not a valid TYPE", :red
  end
end

#migrate ⇒ Object 



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# File 'lib/tern/app.rb', line 23

def migrate
  require 'yaml'

  unless File.exist?('config.yml')
    say 'This directory does not appear to be a Tern project. config.yml not found.'
    return
  end
  config = YAML.load(File.read('config.yml'))
  ::Kernel.const_set("DB", Sequel.connect(config['environments'][options["environment"]])) # using const_set to avoid dynamic constant assignment error

  begin
    tern = Tern.new(config['alterations']['table'], config['alterations']['column'], config['definitions']['table'])
    tern.migrate(:version => options["alteration_version"], :sequences => options["definition_sequences"])
  rescue Alteration::IrreversibleAlteration, Alteration::MissingAlteration, Alteration::DuplicateAlteration
    say $!, :red
  end
end

#new(path) ⇒ Object 



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# File 'lib/tern/app.rb', line 12

def new(path)
  self.app_name = File.basename path
  self.destination_root = path
  directory "new", "."
end