add achievement management

app/models/completed_wow_achievement.rb

@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+class CompletedWowAchievement < ApplicationRecord
+  belongs_to :wow_character
+  belongs_to :wow_achievement
+end

app/models/completed_wow_achievement_criterium.rb

@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+class CompletedWowAchievementCriterium < ApplicationRecord
+  belongs_to :wow_character
+  belongs_to :wow_achievement_criterium
+end

app/models/wow_achievement.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+class WowAchievement < ApplicationRecord
+  extend Mobility
+  translates :name, :description, :reward_description
+
+  belongs_to :wow_achievement_category, optional: true
+  belongs_to :wow_achievement_criterium, optional: true
+
+  belongs_to :prerequisite_achievement, class_name: 'WowAchievement', optional: true
+  has_one :next_achievement,
+          class_name: 'WowAchievement',
+          foreign_key: 'prerequisite_achievement_id',
+          dependent: :nullify,
+          inverse_of: :prerequisite_achievement
+
+  has_many :completed_wow_achievements, dependent: :destroy
+  has_many :wow_characters, through: :completed_wow_achievements
+
+  validates :name, presence: true
+  validates :achievement_id, presence: true, uniqueness: true
+end

app/models/wow_achievement_category.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class WowAchievementCategory < ApplicationRecord
+  extend Mobility
+  translates :name
+
+  has_many :wow_achievements, dependent: :destroy
+
+  validates :name, presence: true
+  validates :category_id, presence: true, uniqueness: true
+end

app/models/wow_achievement_criterium.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class WowAchievementCriterium < ApplicationRecord
+  extend Mobility
+  translates :description, :operator_name
+
+  has_many :wow_achievements, dependent: :destroy
+  has_many :child_criteria,
+           class_name: 'WowAchievementCriterium',
+           foreign_key: 'parent_criterium_id',
+           dependent: :destroy,
+           inverse_of: :parent_criterium
+  belongs_to :parent_criterium, class_name: 'WowAchievementCriterium', optional: true
+  has_many :completed_wow_achievement_criteria, dependent: :destroy
+  has_many :wow_characters, through: :completed_wow_achievement_criteria
+
+  validates :criterium_id, presence: true, uniqueness: true
+end

app/models/wow_character.rb

@@ -19,6 +19,10 @@ class WowCharacter < ApplicationRecord
   has_many :wow_reputations, through: :wow_standings
   has_many :wow_character_play_rp_worlds, dependent: :destroy
   has_many :rp_worlds, through: :wow_character_play_rp_worlds
+  has_many :completed_wow_achievements, dependent: :destroy
+  has_many :wow_achievements, through: :completed_wow_achievements
+  has_many :completed_wow_achievement_criteria, dependent: :destroy
+  has_many :wow_achievement_criteria, through: :completed_wow_achievement_criteria
 
   validates :name, presence: true
   validates :character_id, presence: true, uniqueness: true