closes #38, #39, #40

Backend/models/absence.go

@@ -109,6 +109,23 @@ func (a *Absence) Insert() error {
 	return nil
 }
 
+func (a *Absence) Save() error {
+	qStr, err := DB.Prepare(`
+		UPDATE abwesenheit SET card_uid = $2, abwesenheit_typ = $3, datum_from = $4, datum_to = $5 WHERE counter_id = $1;
+	`)
+	if err != nil {
+		log.Println("Error preparing sql Statement (Absence Save)", err)
+		return err
+	}
+	defer qStr.Close()
+	_, err = qStr.Query(a.CounterId, a.CardUID, a.AbwesenheitTyp.Id, a.DateFrom, a.DateTo)
+	if err != nil {
+		log.Println("Error executing update statement", err)
+		return err
+	}
+	return nil
+}
+
 func GetAbsenceById(counterId int) (Absence, error) {
 	var absence Absence = Absence{CounterId: counterId}
 	qStr, err := DB.Prepare("SELECT card_uid, abwesenheit_typ, datum_from, datum_to FROM abwesenheit WHERE counter_id = $1;")
@@ -179,6 +196,27 @@ func GetAbsencesByCardUID(card_uid string, tsFrom time.Time, tsTo time.Time) ([]
 	return absences, nil
 }
 
+func (a *Absence) Update(na Absence) bool {
+	change := false
+	if a.CardUID != na.CardUID && na.CardUID != "" {
+		a.CardUID = na.CardUID
+		change = true
+	}
+	if a.AbwesenheitTyp != na.AbwesenheitTyp && na.AbwesenheitTyp.Id != 0 {
+		a.AbwesenheitTyp = na.AbwesenheitTyp
+		change = true
+	}
+	if !a.DateFrom.Equal(na.DateFrom) && !na.DateFrom.IsZero() {
+		a.DateFrom = na.DateFrom
+		change = true
+	}
+	if !a.DateTo.Equal(na.DateTo) && !na.DateTo.IsZero() {
+		a.DateTo = na.DateTo
+		change = true
+	}
+	return change
+}
+
 func GetAbsenceTypes() (map[int8]AbsenceType, error) {
 	var types = make(map[int8]AbsenceType)
 	qStr, err := DB.Prepare("SELECT abwesenheit_id, abwesenheit_name, arbeitszeit_equivalent FROM s_abwesenheit_typen;")