Add vacation countdown command

Author: roughy

cmd/vacation.go

@@ -17,11 +17,12 @@ const (
 )
 
 var (
-	vacationDetailsverbose bool
-	vacationNote           string
-	vacationHalfDay        bool
-	vacationFrom           string
-	vacationAmount         int
+	vacationDetailsverbose   bool
+	vacationNote             string
+	vacationHalfDay          bool
+	vacationFrom             string
+	vacationAmount           int
+	vacationCountdownVerbose bool
 )
 
 func init() {
@@ -34,6 +35,9 @@ func init() {
 	vacationCreateCommand.Flags().IntVarP(&vacationAmount,   "amount",  "a", 1,     "Create amount of consecutive vacation days beginning at from date [Default: 1]")
 	vacationCommand.AddCommand(vacationCreateCommand)
 
+	vacationCountdownCommand.Flags().BoolVarP(&vacationCountdownVerbose, "verbose", "v", false, "verbose output")
+    vacationCommand.AddCommand(vacationCountdownCommand)
+
 	rootCmd.AddCommand(vacationCommand)
 }
 
@@ -144,7 +148,7 @@ var vacationCreateCommand = &cobra.Command{
 		projectIdForVacation := domain.NewProjectId(projectId)
 		serviceIdForVacation := domain.NewServiceId(serviceId)
 
-        fromDay := domain.Today()            
+        fromDay := domain.Today()
         if vacationFrom != "" {
           fromDay, err = domain.ParseLocalDate(vacationFrom)
           if err != nil {
@@ -177,3 +181,67 @@ var vacationCreateCommand = &cobra.Command{
         return nil
 	},
 }
+
+var vacationCountdownCommand = &cobra.Command{
+	Use:   "countdown",
+	Short: "shows how much time is left to your next vacation",
+	RunE: func(cmd *cobra.Command, args []string) error {
+		vacation := application.Conf.GetVacation()
+
+		if vacation.ServiceId == "" {
+			return errors.New(textProjectOrServiceNotConfigured)
+		}
+
+		serviceId, err := strconv.Atoi(vacation.ServiceId)
+		if err != nil {
+			return errors.New(textProjectOrServiceNotConfigured)
+		}
+
+        today := domain.Today()
+
+		entries, err := application.MiteApi.TimeEntries(&domain.TimeEntryQuery{
+            From:      &today,
+            Direction: "asc",
+			ServiceId: domain.NewServiceId(serviceId),
+		})
+		if err != nil {
+			return err
+		}
+
+        firstEntry := entries[0]
+
+        unixSeconds := firstEntry.Date.Unix()
+        secondsLeft := unixSeconds - today.Unix()
+        minutesLeft := secondsLeft / 60
+        hoursLeft   := minutesLeft / 60
+        daysLeft    := hoursLeft / 24
+
+        withHours   := hoursLeft - (daysLeft * 24)
+        withMinutes := minutesLeft - (hoursLeft * 60)
+        withSeconds := secondsLeft - (minutesLeft * 60)
+
+        fmt.Printf("Your next vacation starts in:\n"+
+            "\n"+
+            "\t %dd %dh %dm %ds\n\n",
+            daysLeft,
+            withHours,
+            withMinutes,
+            withSeconds)
+
+        if vacationCountdownVerbose {
+            fmt.Printf("\t===================\n"+
+                "\n"+
+                "\t Total: \n"+
+                "\t - %d days\n"+
+                "\t - %d hours\n"+
+                "\t - %d minutes\n"+
+                "\t - %d seconds\n\n",
+                daysLeft,
+                hoursLeft,
+                minutesLeft,
+                secondsLeft)
+	    }
+
+        return nil
+	},
+}

domain/datetime.go

@@ -41,6 +41,10 @@ func (d LocalDate) Before(b LocalDate) bool {
 	return d.time.Before(b.time)
 }
 
+func (d LocalDate) Unix() int64 {
+  return d.time.Unix()
+}
+
 func (d LocalDate) String() string {
 	return d.time.Format(ISO8601)
 }