Files
arbeitszeitmessung/Backend/models/user.go

113 lines
3.1 KiB
Go

package models
import (
"fmt"
"log"
)
type User struct {
CardUID string `json:"card_uid"`
Name string `json:"name"`
Vorname string `json:"vorname"`
PersonalNummer int `json:"personal_nummer"`
}
func (u *User) GetAll() ([]User, error) {
qStr, err := DB.Prepare((`SELECT card_uid, vorname, nachname FROM personal_daten;`))
var users []User
if err != nil {
fmt.Printf("Error preparing query statement %v\n", err)
return users, err
}
defer qStr.Close()
rows, err := qStr.Query()
if err != nil {
return users, err
}
defer rows.Close()
for rows.Next() {
var user User
if err := rows.Scan(&user.CardUID, &user.Vorname, &user.Name); err != nil {
return users, nil
}
users = append(users, user)
}
if err = rows.Err(); err != nil {
return users, nil
}
return users, nil
}
// Returns true if there is a booking 1 for today -> meaning the user is at work
// Returns false if there is no booking today or the user is already booked out of the system
func (u *User) CheckAnwesenheit() bool {
qStr, err := DB.Prepare((`SELECT check_in_out FROM anwesenheit WHERE card_uid = $1 AND "timestamp" >= now()::date + interval '1h' ORDER BY "timestamp" DESC`))
if err != nil {
fmt.Printf("Error preparing query statement %v\n", err)
return false
}
defer qStr.Close()
var check_in_out int
err = qStr.QueryRow(u.CardUID).Scan(&check_in_out)
if err != nil {
return false
}
return check_in_out == 1
}
// Creates a new booking for the user -> check_in_out will be 255 for automatic check out
func (u *User) Logout() error {
booking := (*Booking).New(nil, u.CardUID, 0, 255)
err := booking.Insert()
if err != nil {
fmt.Printf("Error inserting booking %v\n", err)
return err
}
return nil
}
func (u *User) GetByCardUID(card_uid string) (User, error) {
var user User
qStr, err := DB.Prepare((`SELECT personal_nummer, card_uid, vorname, nachname FROM personal_daten WHERE card_uid = $1;`))
if err != nil {
return user, err
}
err = qStr.QueryRow(card_uid).Scan(&user.PersonalNummer, &user.CardUID, &user.Vorname, &user.Name)
if err != nil{
return user, err
}
return user, nil
}
func (u *User) GetByPersonalNummer (personalNummer int) (User, error) {
var user User
qStr, err := DB.Prepare((`SELECT personal_nummer, card_uid, vorname, nachname FROM personal_daten WHERE personal_nummer = $1;`))
if err != nil {
return user, err
}
err = qStr.QueryRow(personalNummer).Scan(&user.PersonalNummer, &user.CardUID, &user.Vorname, &user.Name)
if err != nil{
return user, err
}
return user, 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;`))
if err != nil {
log.Println("Error preparing db statement", err)
return false
}
defer qStr.Close()
err = qStr.QueryRow(u.PersonalNummer, password).Scan(&loginSuccess)
if err != nil {
log.Println("Error queriing db", err)
return false
}
return loginSuccess
// userPassword := strings.ToLower(fmt.Sprintf("%s_%s", u.Vorname, u.Name)) //temp password: "max_mustermann"
// return userPassword == password
}