chore: init commit

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

worker-toolkit-stocks-in-the-future/repo/app/models/earnings_summary.rb

@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+class EarningsSummary
+  attr_reader :portfolio
+
+  def initialize(portfolio)
+    @portfolio = portfolio
+  end
+
+  def attendance_earnings_cents
+    sum_by_reason(:attendance_earnings)
+  end
+
+  def reading_earnings_cents
+    sum_by_reason(:reading_earnings)
+  end
+
+  def math_earnings_cents
+    sum_by_reason(:math_earnings)
+  end
+
+  def awards_cents
+    sum_by_reason(:awards)
+  end
+
+  def total_earnings_cents
+    attendance_earnings_cents + reading_earnings_cents + math_earnings_cents + awards_cents
+  end
+
+  def transaction_fees_cents
+    sum_by_reason(:transaction_fees)
+  end
+
+  private
+
+  def sum_by_reason(reason)
+    portfolio.portfolio_transactions
+      .deposits
+      .where(reason: reason)
+      .sum(:amount_cents)
+  end
+end