fixed #61, #62 refactored getTime variants

Backend/models/user.go

@@ -10,6 +10,7 @@ import (
 	"time"
 
 	"github.com/alexedwards/scs/v2"
+	"github.com/lib/pq"
 )
 
 type User struct {
@@ -173,6 +174,38 @@ func GetUserByPersonalNr(personalNummer int) (User, error) {
 	return user, nil
 }
 
+func GetUserByPersonalNrMulti(personalNummerMulti []int) ([]User, error) {
+	var users []User
+	if len(personalNummerMulti) == 0 {
+		return users, errors.New("No personalNumbers provided")
+	}
+
+	qStr, err := DB.Prepare((`SELECT personal_nummer, card_uid, vorname, nachname, arbeitszeit_per_tag, arbeitszeit_per_woche FROM s_personal_daten WHERE personal_nummer = ANY($1::int[]);`))
+	if err != nil {
+		return users, err
+	}
+
+	rows, err := qStr.Query(pq.Array(personalNummerMulti))
+	if err == sql.ErrNoRows {
+		return users, err
+	}
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	for rows.Next() {
+		var user User
+		if err := rows.Scan(&user.PersonalNummer, &user.CardUID, &user.Vorname, &user.Name, &user.ArbeitszeitPerTag, &user.ArbeitszeitPerWoche); err != nil {
+			return users, err
+		}
+		users = append(users, user)
+	}
+	if err = rows.Err(); err != nil {
+		return users, err
+	}
+	return users, nil
+}
+
 func (u *User) Login(password string) bool {
 	var loginSuccess bool
 	qStr, err := DB.Prepare((`SELECT (pass_hash = crypt($2, pass_hash)) AS pass_hash FROM user_password WHERE personal_nummer = $1;`))