Adjust badges to match descriptions cc @coding-horror

app/models/badge.rb

@@ -295,16 +295,13 @@ SQL
       SQL
     end
 
-    def self.liked_back(min_posts, ratio)
+    def self.liked_back(likes_received, likes_given)
       <<-SQL
-        SELECT p.user_id, current_timestamp AS granted_at
-        FROM posts AS p
-        INNER JOIN user_stats AS us ON us.user_id = p.user_id
-        WHERE p.like_count > 0
-          AND (:backfill OR p.user_id IN (:user_ids))
-        GROUP BY p.user_id, us.likes_given
-        HAVING count(*) > #{min_posts}
-          AND (us.likes_given / count(*)::float) > #{ratio}
+        SELECT us.user_id, current_timestamp AS granted_at
+        FROM user_stats AS us
+        WHERE us.likes_received >= #{likes_received}
+          AND us.likes_given >= #{likes_given}
+          AND (:backfill OR us.user_id IN (:user_ids))
       SQL
     end
   end

db/fixtures/006_badges.rb

@@ -314,9 +314,9 @@ end
 
 
 [
-  [Badge::ThankYou,   "Thank You",  BadgeType::Bronze, 20, 0.00],
-  [Badge::GivesBack,  "Gives Back", BadgeType::Silver, 100, 1.0],
-  [Badge::Empathetic, "Empathetic", BadgeType::Gold,   500, 2.0],
+  [Badge::ThankYou,   "Thank You",  BadgeType::Bronze, 20, 10],
+  [Badge::GivesBack,  "Gives Back", BadgeType::Silver, 100, 100],
+  [Badge::Empathetic, "Empathetic", BadgeType::Gold,   500, 1000]
 ].each do |spec|
   id, name, level, count, ratio = spec
   Badge.seed do |b|