Module: CarrierWave::Backgrounder::ORM::Base
- Included in:
- ActiveModel, DataMapper
- Defined in:
- lib/backgrounder/orm/base.rb
Overview
Base class for all things orm
Instance Method Summary collapse
-
#process_in_background(column, worker_klass = nil) ⇒ Object
User#process_in_background will process and create versions in a background process.
-
#store_in_background(column, worker_klass = nil) ⇒ Object
#store_in_background will process, version and store uploads in a background process.
Instance Method Details
#process_in_background(column, worker_klass = nil) ⇒ Object
User#process_in_background will process and create versions in a background process.
class User < ActiveRecord::Base
mount_uploader :avatar, AvatarUploader
process_in_background :avatar
end
The above adds a User#process_upload method which can be used at times when you want to bypass background storage and processing.
@user.process_avatar = true
@user.save
You can also pass in your own workers using the second argument in case you need other things done during processing.
class User < ActiveRecord::Base
mount_uploader :avatar, AvatarUploader
process_in_background :avatar, CustomWorker
end
In addition you can also add a column to the database appended by _processing with a type of boolean which can be used to check if processing is complete.
def self.up
add_column :users, :avatar_processing, :boolean, null: false, default: false
end
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# File 'lib/backgrounder/orm/base.rb', line 41 def process_in_background(column, worker_klass=nil) attr_accessor :"process_#{column}_upload" worker = worker_klass || "#{CarrierWave::Backgrounder.worker_klass}::ProcessAsset" mod = Module.new include mod _define_shared_backgrounder_methods(mod, column, worker ) end |
#store_in_background(column, worker_klass = nil) ⇒ Object
#store_in_background will process, version and store uploads in a background process.
class User < ActiveRecord::Base
mount_uploader :avatar, AvatarUploader
store_in_background :avatar
end
The above adds a User#process_<column>_upload method which can be used at times when you want to bypass background storage and processing.
@user.process_avatar_upload = true
@user.save
You can also pass in your own workers using the second argument in case you need other things done during processing.
class User < ActiveRecord::Base
mount_uploader :avatar, AvatarUploader
store_in_background :avatar, CustomWorker
end
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# File 'lib/backgrounder/orm/base.rb', line 73 def store_in_background(column, worker_klass=nil) attr_accessor :"process_#{column}_upload" worker = worker_klass || "#{CarrierWave::Backgrounder.worker_klass}::StoreAsset" mod = Module.new include mod mod.class_eval <<-RUBY, __FILE__, __LINE__ + 1 def write_#{column}_identifier super and return if process_#{column}_upload || remove_#{column} self.#{column}_tmp = #{column}_cache if #{column}_cache end def store_#{column}! super if process_#{column}_upload end RUBY _define_shared_backgrounder_methods(mod, column, worker) end |