add preventable loss

Author: tstromberg

cmd/prcost/repository.go

@@ -378,6 +378,12 @@ func printExtrapolatedResults(title string, days int, ext *cost.ExtrapolatedBrea
 		fmt.Println()
 	}
 
+	// Average Preventable Loss Total (before grand total)
+	avgPreventableCost := avgCodeChurnCost + avgDeliveryDelayCost + avgCoordinationCost
+	avgPreventableHours := avgCodeChurnHours + avgDeliveryDelayHours + avgCoordinationHours
+	fmt.Printf("  Preventable Loss Total     $%12s    %s\n",
+		formatWithCommas(avgPreventableCost), formatTimeUnit(avgPreventableHours))
+
 	// Average total
 	fmt.Println("  ═══════════════════════════════════════════════════════════════")
 	fmt.Printf("  Average Total              $%12s    %s\n",
@@ -481,6 +487,12 @@ func printExtrapolatedResults(title string, days int, ext *cost.ExtrapolatedBrea
 		fmt.Println()
 	}
 
+	// Preventable Loss Total (before grand total)
+	preventableCost := ext.CodeChurnCost + ext.DeliveryDelayCost + ext.CoordinationCost
+	preventableHours := ext.CodeChurnHours + ext.DeliveryDelayHours + ext.CoordinationHours
+	fmt.Printf("  Preventable Loss Total     $%12s    %s\n",
+		formatWithCommas(preventableCost), formatTimeUnit(preventableHours))
+
 	// Extrapolated grand total
 	fmt.Println("  ═══════════════════════════════════════════════════════════════")
 	fmt.Printf("  Total                      $%12s    %s\n",

internal/server/static/index.html

@@ -1531,6 +1531,11 @@ <h3>Why calculate PR costs?</h3>
                 output += `    Subtotal                  ${formatCurrency(avgFutureCost).padStart(12)}    ${formatTimeUnit(avgFutureHours)}  (${pct.toFixed(1)}%)\n\n`;
             }
 
+            // Average Preventable Loss Total (before grand total)
+            const avgPreventableCost = avgCodeChurnCost + avgDeliveryDelayCost + avgCoordinationCost;
+            const avgPreventableHours = avgCodeChurnHours + avgDeliveryDelayHours + avgCoordinationHours;
+            output += `  Preventable Loss Total      ${formatCurrency(avgPreventableCost).padStart(12)}    ${formatTimeUnit(avgPreventableHours)}\n`;
+
             // Average Total
             output += '  ═══════════════════════════════════════════════════════════════\n';
             output += `  Average Total               ${formatCurrency(avgTotalCost).padStart(12)}    ${formatTimeUnit(avgTotalHours)}\n\n`;
@@ -1598,6 +1603,11 @@ <h3>Why calculate PR costs?</h3>
                 output += `    Subtotal                  ${formatCurrency(futureCost).padStart(12)}    ${formatTimeUnit(futureHours)}  (${pct.toFixed(1)}%)\n\n`;
             }
 
+            // Preventable Loss Total (before grand total)
+            const preventableCost = e.code_churn_cost + e.delivery_delay_cost + e.coordination_cost;
+            const preventableHours = e.code_churn_hours + e.delivery_delay_hours + e.coordination_hours;
+            output += `  Preventable Loss Total      ${formatCurrency(preventableCost).padStart(12)}    ${formatTimeUnit(preventableHours)}\n`;
+
             // Total
             output += '  ═══════════════════════════════════════════════════════════════\n';
             output += `  Total                       ${formatCurrency(e.total_cost).padStart(12)}    ${formatTimeUnit(e.total_hours)}\n\n`;