FEATURE: new badges when visiting the forum for 10, 100 and 365 consecutive days

app/models/badge.rb

@@ -56,6 +56,10 @@ class Badge < ActiveRecord::Base
   GivesBack = 32
   Empathetic = 39
 
+  Enthusiast = 45
+  Aficionado = 46
+  Devotee = 47
+
   NewUserOfTheMonth = 44
 
   # other consts

config/locales/server.en.yml

@@ -3392,6 +3392,18 @@ en:
       description: Outstanding contributions in their first month
       long_description: |
         This badge is granted to congratulate two new users each month for their excellent overall contributions, as measured by how often their posts were liked, and by whom.
+    enthusiast:
+      name: Enthusiast
+      description: Has visited the forum for 10 consecutive days
+      long_description: This badge is granted the first time you visit the forum for 10 consecutive days.
+    aficionado:
+      name: Aficionado
+      description: Has visited the forum for 100 consecutive days
+      long_description: This badge is granted the first time you visit the forum for 100 consecutive days.
+    devotee:
+      name: Devotee
+      description: Has visited the forum for 365 consecutive days
+      long_description: This badge is granted the first time you visit the forum for 365 consecutive days.
     badge_title_metadata: "%{display_name} badge on %{site_title}"
 
   admin_login:

db/fixtures/006_badges.rb

@@ -415,6 +415,25 @@ Badge.seed do |b|
   b.system = true
 end
 
+[
+  [Badge::Enthusiast, "Enthusiast", BadgeType::Bronze, 10],
+  [Badge::Aficionado, "Aficionado", BadgeType::Silver, 100],
+  [Badge::Devotee,    "Devotee",    BadgeType::Gold,   365],
+].each do |id, name, level, days|
+  Badge.seed do |b|
+    b.id = id
+    b.name = name
+    b.default_icon = "fa-eye"
+    b.badge_type_id = level
+    b.query = BadgeQueries.consecutive_visits(days)
+    b.badge_grouping_id = BadgeGrouping::Community
+    b.default_badge_grouping_id = BadgeGrouping::Community
+    b.trigger = Badge::Trigger::None
+    b.auto_revoke = false
+    b.system = true
+  end
+end
+
 Badge.where("NOT system AND id < 100").each do |badge|
   new_id = [Badge.maximum(:id) + 1, 100].max
   old_id = badge.id

lib/badge_queries.rb

@@ -232,4 +232,16 @@ SQL
     SQL
   end
 
+  def self.consecutive_visits(days)
+    <<~SQL
+      SELECT user_id, "start" + interval '1' day * COUNT(*) AS "granted_at"
+        FROM (
+          SELECT user_id, visited_at - (DENSE_RANK() OVER (PARTITION BY user_id ORDER BY visited_at))::int "start"
+            FROM user_visits
+        ) s
+        GROUP BY user_id, "start"
+        HAVING COUNT(*) >= #{days}
+    SQL
+  end
+
 end