minor fixes

app/controllers/admin_controller.rb

@@ -9,14 +9,10 @@ def dashboard
     @users = User.all
     @offsprings = Offspring.all
     @rooms = Room.all
-  end
-
-  def offsprings
-    @offsprings = Offspring.all
-  end
-
-  def rooms
-    @rooms = Room.all
+    @users_count = User.where(admin: false).count
+    @offspring_count = Offspring.all.count
+    @zero_offspring_count = User.count - User.joins(:offsprings).uniq.count
+    @users_with_at_least_2_offspring = user_2_offspr_count
   end
 
   private
@@ -26,4 +22,12 @@ def admin_user?
       redirect_to home_path
     end
   end
+
+  def user_2_offspr_count
+    count = 0
+    User.all.each do |u|
+      count += 1 if u.more_than_2_offspring?
+    end
+    count
+  end
 end

app/models/user.rb

@@ -17,4 +17,12 @@ class User < ActiveRecord::Base
   validates :phone, format: { with: VALID_TELEPHONE_REGEX}
   # The offspring need to have a parent, they will be destroyed if the parent is
   has_many :offsprings, dependent: :destroy
+
+  def no_offspring?
+    offsprings.empty? || offsprings.count.zero?
+  end
+
+  def more_than_2_offspring?
+    !offsprings.empty? && offsprings.count >= 2
+  end
 end