Fix private method access

app/models/account/syncer.rb

@@ -18,9 +18,8 @@ class Account::Syncer
     # TODO: this is a temporary solution to speed up pages. Long term we'll throw a materialized view / pre-computed table
     # in for family stats.
     income_statement = IncomeStatement.new(account.family)
-    income_statement.family_stats
-    income_statement.category_stats
-    income_statement.totals # uses default scope internally
+    Rails.logger.info("Warming IncomeStatement caches")
+    income_statement.warm_caches!
   end
 
   private

app/models/income_statement.rb

@@ -53,6 +53,13 @@ class IncomeStatement
     family_stats(interval: interval).find { |stat| stat.classification == "income" }&.median || 0
   end
 
+  def warm_caches!(interval: "month")
+    totals
+    family_stats(interval: interval)
+    category_stats(interval: interval)
+    nil
+  end
+
   private
     ScopeTotals = Data.define(:transactions_count, :income_money, :expense_money, :missing_exchange_rates?)
     PeriodTotal = Data.define(:classification, :total, :currency, :missing_exchange_rates?, :category_totals)