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Archive (soft-delete) ActiveRecord database records
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 Project Readme

Lite::Archive

Gem Version Build Status

Lite::Archive is a library for archiving (soft-delete) database records.

Installation

Add this line to your application's Gemfile:

gem 'lite-archive'

And then execute:

$ bundle

Or install it yourself as:

$ gem install lite-archive

Table of Contents

  • Configurations
  • Usage
  • Methods
  • Scopes
  • Callbacks

Configurations

rails g lite:archive:install will generate the following file in your application root: config/initalizers/lite_archive.rb

Lite::Archive.configure do |config|
  config.all_records_archivable = false
  config.sync_updated_at = true
end

Usage

An archived_at column must be added to tables where you that you want to archive. If the table does not have this column, records will be destroyed instead.

Table create

class AddArchivedAtColumn < ActiveRecord::Migration
  def change
    create_table :table_name do |t|
      t.timestamp                # Adds archived_at automatically if all_records_archivable
      t.timestamp archive: true  # Adds archived_at timestamp
      t.timestamp archive: false # Does NOT add archived_at timestamp
    end
  end
end

Column migration

class AddArchivedAtColumn < ActiveRecord::Migration
  def change
    add_column :table_name, :archived_at, :datetime # Manual column (null constraint must be false)
    add_timestamp :table_name                       # Named column helper (equivalent to the above)
  end
end

Methods

Instance

user = User.first
user.archive     #=> Archives the User record and its dependents
user.unarchive   #=> Unarchives the User record and its dependents
user.to_archival #=> Returns the User archival state locale string (ex: Archived)

Class

User.archive_all   #=> Archives all User records and their dependents
User.unarchive_all #=> Unarchives all User record and their dependents

Scopes

User.archived.all   #=> Returns only archived records
User.unarchived.all #=> Returns only unarchived records

Callbacks

Before

class User < ActiveRecord::Base
  before_archive :do_something
  before_unarchived :do_something
end

After

class User < ActiveRecord::Base
  after_archive :do_something
  after_unarchive :do_something
end

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/drexed/lite-archive. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

The gem is available as open source under the terms of the MIT License.

Code of Conduct

Everyone interacting in the Lite::Archive project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.