[Referral] Add new teenagers leaderboard

app/controllers/admin_controller.rb

@@ -1434,6 +1434,10 @@ def referral_link_create
   def active_teenagers_leaderboard
   end
 
+  def new_teenagers_leaderboard
+    @link_creators = User.where(id: Referral::Link.select(:creator_id).map(&:creator_id).uniq).includes(:referral_links)
+  end
+
   private
 
   def stream_data(content_type, filename, data, download = true)

app/models/referral/link.rb

@@ -38,5 +38,13 @@ def value
       slug.presence || hashid
     end
 
+    def new_teenagers
+      attributions.joins(:user)
+                  .where("EXTRACT(EPOCH FROM (referral_attributions.created_at - users.created_at)) < 60*60")
+                  .where("users.teenager = true")
+                  .map(&:user)
+                  .uniq
+    end
+
   end
 end

app/models/user.rb

@@ -96,6 +96,9 @@ class User < ApplicationRecord
   has_many :email_updates, class_name: "User::EmailUpdate", inverse_of: :user
   has_many :email_updates_created, class_name: "User::EmailUpdate", inverse_of: :updated_by
 
+  has_many :referral_programs, class_name: "Referral::Program", inverse_of: :creator
+  has_many :referral_links, class_name: "Referral::Link", inverse_of: :creator
+
   has_many :messages, class_name: "Ahoy::Message", as: :user
 
   has_many :events, through: :organizer_positions
@@ -518,6 +521,10 @@ def managed_active_teenagers_count
     User.active_teenager.joins(organizer_positions: :event).where(events: { id: managed_events }).distinct.count
   end
 
+  def new_teenagers_from_referrals_count
+    self.referral_links.sum { |link| link.new_teenagers.length }
+  end
+
   def has_discord_account?
     discord_id.present?
   end

app/views/admin/new_teenagers_leaderboard.html.erb

@@ -0,0 +1,18 @@
+<% title "New Teenagers Leaderboard" %>
+
+<table>
+  <thead>
+    <tr>
+      <th>Name</th>
+      <th># of new teenagers</th>
+    </tr>
+  </thead>
+  <tbody>
+    <% @link_creators.sort_by { |u| -u.new_teenagers_from_referrals_count }.each do |user| %>
+      <tr>
+        <td><%= user_mention user %></td>
+        <td><%= user.referral_links.sum { |link| link.new_teenagers.length } %></td>
+      </tr>
+    <% end %>
+  </tbody>
+</table>

config/routes.rb

@@ -261,6 +261,7 @@
       get "unknown_merchants", to: "admin#unknown_merchants"
       post "request_balance_export", to: "admin#request_balance_export"
       get "active_teenagers_leaderboard", to: "admin#active_teenagers_leaderboard"
+      get "new_teenagers_leaderboard", to: "admin#new_teenagers_leaderboard"
     end
 
     member do