improve achievement management and and views

app/controllers/achievements_controller.rb

@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+class AchievementsController < ProtectedController
+  def index
+    @wow_achievement_categories = WowAchievementCategory.base_categories.order(display_order: :asc)
+    @wow_achievements = nil
+    @wow_last_completed_achievements = CompletedWowAchievement.where(
+      wow_character: current_user.wow_characters
+    ).includes(:wow_character, wow_achievement: :wow_achievement_criterium).order(completed_timestamp: :desc).first(5)
+    @wow_achievement_category = nil
+  end
+
+  def show
+    @wow_achievement_category = WowAchievementCategory.find(params[:id])
+    @wow_achievement_categories = @wow_achievement_category.child_categories.order(display_order: :asc)
+    @wow_achievements = @wow_achievement_category.wow_achievements.includes(
+      wow_achievement_criterium: :child_criteria
+    ).order(display_order: :asc)
+  end
+end
+
+# TODO
+# Find a way to get the last achievement accomplished that were not already achievement by another character
+# This will return all WowAchievement only completed by one character of the current user
+# achievements = WowAchievement.joins(:completed_wow_achievements).where('completed_wow_achievements.wow_character_id': current_user.wow_characters).group(:id).having("count(completed_wow_achievements.id) < 2")
+#
+# This will return all the CompletedWowAchievement of the previous list
+# completed_achievements = CompletedWowAchievement.where(wow_character: current_user.wow_characters, wow_achievement: achievements)
+#
+# The problem is that these completed_achivements all have a completed_timestamp at Thu, 01 Jan 1970 00:00:00.000000000 UTC +00:00
+#
+# It's probably required to use the WowAchievementCriterium to sort that