first

course/6-errors/exercises/1-errors/complete.go

@@ -0,0 +1,60 @@
+package main
+
+import (
+	"fmt"
+)
+
+func sendSMSToCouple(msgToCustomer, msgToSpouse string) (float64, error) {
+	cost, err := sendSMS(msgToCustomer)
+	if err != nil {
+		return 0.0, err
+	}
+
+	costSpouse, err := sendSMS(msgToSpouse)
+	if err != nil {
+		return 0, err
+	}
+	return costSpouse + cost, nil
+}
+
+// don't edit below this line
+
+func sendSMS(message string) (float64, error) {
+	const maxTextLen = 25
+	const costPerChar = .0002
+	if len(message) > maxTextLen {
+		return 0.0, fmt.Errorf("can't send texts over %v characters", maxTextLen)
+	}
+	return costPerChar * float64(len(message)), nil
+}
+
+func test(msgToCustomer, msgToSpouse string) {
+	defer fmt.Println("========")
+	fmt.Println("Message for customer:", msgToCustomer)
+	fmt.Println("Message for spouse:", msgToSpouse)
+	totalCost, err := sendSMSToCouple(msgToCustomer, msgToSpouse)
+	if err != nil {
+		fmt.Println("Error:", err)
+		return
+	}
+	fmt.Printf("Total cost: $%.4f\n", totalCost)
+}
+
+func main() {
+	test(
+		"Thanks for coming in to our flower shop today!",
+		"We hope you enjoyed your gift.",
+	)
+	test(
+		"Thanks for joining us!",
+		"Have a good day.",
+	)
+	test(
+		"Thank you.",
+		"Enjoy!",
+	)
+	test(
+		"We loved having you in!",
+		"We hope the rest of your evening is absolutely fantastic.",
+	)
+}