[Sync Iteration] go/booking-up-for-beauty/2

solutions/go/booking-up-for-beauty/2/booking_up_for_beauty.go

@@ -0,0 +1,47 @@
+package booking
+
+import (
+	"fmt"
+	"time"
+)
+
+const (
+	layoutNumeric = "1/2/2006 15:04:05"
+	layoutLong    = "January 2, 2006 15:04:05"
+	layoutFull    = "Monday, January 2, 2006 15:04:05"
+)
+
+func parseLayout(layout, date string) time.Time {
+	t, _ := time.Parse(layout, date)
+	return t
+}
+
+// Schedule returns a time.Time from a string containing a date.
+func Schedule(date string) time.Time {
+	return parseLayout(layoutNumeric, date)
+}
+
+// HasPassed returns whether a date has passed.
+func HasPassed(date string) bool {
+	t := parseLayout(layoutLong, date)
+	return t.Before(time.Now())
+}
+
+// IsAfternoonAppointment returns whether a time is in the afternoon.
+func IsAfternoonAppointment(date string) bool {
+	t := parseLayout(layoutFull, date)
+	hour := t.Hour()
+	return hour >= 12 && hour < 18
+}
+
+// Description returns a formatted string of the appointment time.
+func Description(date string) string {
+	t := parseLayout(layoutNumeric, date)
+	formatted := t.Format("Monday, January 2, 2006, at 15:04")
+	return fmt.Sprintf("You have an appointment on %s.", formatted)
+}
+
+// AnniversaryDate returns a Time with this year's anniversary.
+func AnniversaryDate() time.Time {
+	return time.Date(time.Now().Year(), time.September, 15, 0, 0, 0, 0, time.UTC)
+}