Kudos

Reputation engine for Rails application similar to World of Warcraft achievements system.

Installation

Add this line to your application's Gemfile:

gem 'kudos'

And then for generating migration and models execute:

$ bundle install
$ rails g kudos:active_record
$ rails db:migrate

If you would like to attach achievements not to User model, run instead

$ rails g kudos:active_record ModelName

Сonfiguration

class User < ApplicationRecord
  include Kudos::Achievementable
  ...
end

Generating achievements

Achievements database records

general_group = Kudos::AchievementGroup.create(name: { en: 'General' })

Kudos::Achievement.create(
  award_name: 'fantasy_team_create',
  points: 5,
  kudos_achievement_group: general_group
)

Describe award rules

For one rank achievements conditions for awarding can be defined like

class Achievement < Kudos::Achievement
  award_for :fantasy_team_create do |achievements, user|
    achievement = achievements.first
    user.award(achievement: achievement) unless user.awarded?(achievement: achievement)
  end
end

For multi-rank achievements conditions for awarding can be defined like

class Achievement < Kudos::Achievement
  award_for :lineup_points do |achievements, lineup|
    user = lineup.user
    achievements.each do |achievement|
      if !user.awarded?(achievement: achievement) && lineup.points >= (achievement.rank * 10)
        user.award(achievement: achievement)
      end
    end
  end
end

Usage

For awarding user just call this code in callback or by any event generator

Achievement.award(:fantasy_team_create, user)

License

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

kudos

Development

Runtime