Class: Ponytail::Migration

Inherits:
Object
  • Object
show all
Includes:
ActiveModel::Model
Defined in:
lib/ponytail/migration.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#filename ⇒ Object

Returns the value of attribute filename.



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# File 'lib/ponytail/migration.rb', line 4

def filename
  @filename
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/ponytail/migration.rb', line 4

def name
  @name
end

#raw_content ⇒ Object

Returns the value of attribute raw_content.



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# File 'lib/ponytail/migration.rb', line 4

def raw_content
  @raw_content
end

#version ⇒ Object

Returns the value of attribute version.



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# File 'lib/ponytail/migration.rb', line 4

def version
  @version
end

Class Method Details

.all ⇒ Object 



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# File 'lib/ponytail/migration.rb', line 14

def all
  proxys = ActiveRecord::Migrator.migrations(migrations_paths)
  proxys.map { |p| new(name: p.name, filename: p.filename, version: p.version) }
end

.check_pending? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ponytail/migration.rb', line 10

def check_pending?
  ActiveRecord::VERSION::MAJOR >= 4 && Rails.application.config.middleware.include?(ActiveRecord::Migration::CheckPending)
end

.migrate ⇒ Object 



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# File 'lib/ponytail/migration.rb', line 20

def migrate
  ActiveRecord::Migrator.migrate(migrations_paths)
end

.next_version ⇒ Object 



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# File 'lib/ponytail/migration.rb', line 28

def next_version
  last = all.last
  ActiveRecord::Migration.next_migration_number(last ? last.version + 1 : 0).to_i
end

.rollback ⇒ Object 



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# File 'lib/ponytail/migration.rb', line 24

def rollback
  ActiveRecord::Migrator.rollback(migrations_paths)
end

Instance Method Details

#destroy ⇒ Object 



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# File 'lib/ponytail/migration.rb', line 48

def destroy
  File.delete(filename)
end

#save ⇒ Object 



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# File 'lib/ponytail/migration.rb', line 38

def save
  if valid?
    next_filename = "#{Migration.migrations_path}/#{Migration.next_version}_#{name.underscore}.rb"
    open(next_filename, 'w') { |f| f.write(raw_content) }
    true
  else
    false
  end
end