chore: init commit

in worker.../repo/GITFOLDER.zip is the .git folder.

worker-toolkit-stocks-in-the-future/repo/app/facades/classroom_facade.rb

@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+# Facade for classroom presentation logic
+class ClassroomFacade
+  attr_reader :classroom
+
+  def initialize(classroom)
+    @classroom = classroom
+  end
+
+  # Get all students for this classroom (both via enrollments and legacy classroom_id)
+  #
+  # @return [ActiveRecord::Relation<Student>]
+  def students
+    enrolled_student_ids = classroom.current_students.pluck(:id)
+    legacy_student_ids = classroom.users.students.kept.pluck(:id)
+    all_student_ids = (enrolled_student_ids + legacy_student_ids).uniq
+
+    Student.kept.where(id: all_student_ids).includes(
+      :portfolio,
+      :orders,
+      portfolio: :portfolio_transactions
+    )
+  end
+
+  def stats
+    return {} unless classroom
+
+    students = classroom.users.students.kept
+    {
+      total_students: students.count,
+      active_students: students.joins(:orders).distinct.count,
+      total_portfolio_value: students.includes(:portfolio).sum do |student|
+        student.portfolio&.calculate_total_value || 0
+      end,
+      recent_orders_count: Order.joins(:user).where(users: { classroom: classroom }).where(
+        "orders.created_at > ?",
+        1.week.ago
+      ).count
+    }
+  end
+end