Class: ActsAsTaggableSimple::Generators::MigrationGenerator

Inherits:
Rails::Generators::Base
  • Object
show all
Includes:
Rails::Generators::Migration
Defined in:
lib/generators/acts_as_taggable_simple/migration/migration_generator.rb

Overview

Generates a migration file for migrating two tables into the database for acts_as_taggable_simple to function:

  • tags

  • taggings

Example usage:

rails generate acts_as_taggable_simple:migration

To migrate the data:

rake db:migrate

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.next_migration_number(path) ⇒ Object

Returns the timestamp for the migration



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# File 'lib/generators/acts_as_taggable_simple/migration/migration_generator.rb', line 38

def self.next_migration_number(path)
  Time.now.utc.strftime("%Y%m%d%H%M%S")
end

.ormObject

Gets the current orm that rails is using.

ActiveRecord is the only orm currently supported.



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# File 'lib/generators/acts_as_taggable_simple/migration/migration_generator.rb', line 23

def self.orm
  Rails::Generators.options[:rails][:orm]
end

.orm_has_migration?Boolean

Returns true if the current orm has a migration file

Returns:

  • (Boolean)


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# File 'lib/generators/acts_as_taggable_simple/migration/migration_generator.rb', line 33

def self.orm_has_migration?
  [:active_record].include? orm
end

.source_rootObject

The source root for template migration files



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# File 'lib/generators/acts_as_taggable_simple/migration/migration_generator.rb', line 28

def self.source_root
  File.join(File.dirname(__FILE__), 'templates', (orm.to_s unless orm.class.eql?(String)))
end

Instance Method Details

#create_migration_fileObject

Actually generates the migration file

Only generates the migration if one exists for the current orm. Looks for lib/generators/acts_as_taggable_simple/migration/templates//migration.rb



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# File 'lib/generators/acts_as_taggable_simple/migration/migration_generator.rb', line 46

def create_migration_file
  if self.class.orm_has_migration?
    migration_template 'migration.rb', 'db/migrate/acts_as_taggable_simple_migration'
  end
end