Implement appointment reading

nuss.go

@@ -253,6 +253,39 @@ func ReadAnimeUsers() ([]AnimeUser, error) {
 	return animes, err
 }
 
+func ReadAppointments() ([]Appointment, error) {
+	var appoints []Appointment
+	err := db.View(
+		func(tx *nutsdb.Tx) error {
+			entries, err := tx.GetAll(bucketAppoint)
+			if err != nil {
+				return err
+			}
+			appoints = make([]Appointment, 0)
+			// iterate entries
+			for _, e := range entries {
+				// decode appointment list
+				animeId, date, err := BytesToInt64AndDate(e.Key)
+				if err != nil {
+					return err
+				}
+				// parse user list
+				appointmentUsers, err := parseAppointmentUserList(e.Value)
+				if err != nil {
+					return err
+				}
+				appointment := Appointment{
+					Anime: animeId,
+					Time:  date,
+					Users: appointmentUsers,
+				}
+				appoints = append(appoints, appointment)
+			}
+			return nil
+		})
+	return appoints, err
+}
+
 func DbClean() error {
 	return db.Update(
 		func(tx *nutsdb.Tx) error {
@@ -297,3 +330,9 @@ func parseWatchUserList(data []byte) ([]WatchUser, error) {
 	err := json.Unmarshal(data, &users)
 	return users, err
 }
+
+func parseAppointmentUserList(data []byte) ([]string, error) {
+	var users []string
+	err := json.Unmarshal(data, &users)
+	return users, err
+}