Besucher werden in den Datenbank gespeichert

This commit is contained in:
2022-02-09 11:45:34 +01:00
parent 7ca11b526c
commit b1b2468559
3 changed files with 26 additions and 59 deletions

View File

@@ -1,71 +1,29 @@
package planner
import (
"errors"
"sync"
"github.com/jinzhu/gorm"
"github.com/rs/xid"
)
var (
list []Besucher
mtx sync.RWMutex
once sync.Once
)
func init() {
once.Do(initialiseList)
}
func initialiseList() {
list = []Besucher{}
}
// Get retrieves all elements from the Besucher list
func Get() []Besucher {
return list
func Get(db *gorm.DB) []Besucher {
var besucherlist []Besucher
db.Find(&besucherlist)
return besucherlist
}
// Add will add a new Besucher
func Add(newClient Besucher) string {
func Add(db *gorm.DB, newClient Besucher) string {
t := newBesucher(newClient)
mtx.Lock()
list = append(list, t)
mtx.Unlock()
db.Create(&t)
return t.ID
}
// Delete will remove a Besucher from the Besucher list
func Delete(id string) error {
location, err := findBesucherLocation(id)
if err != nil {
return err
}
removeElementByLocation(location)
return nil
}
func removeElementByLocation(i int) {
mtx.Lock()
list = append(list[:i], list[i+1:]...)
mtx.Unlock()
}
func findBesucherLocation(id string) (int, error) {
mtx.RLock()
defer mtx.RUnlock()
for i, t := range list {
if isMatchingID(t.ID, id) {
return i, nil
}
}
return 0, errors.New("Could not find Besucher based on id")
}
func isMatchingID(a, b string) bool {
return a == b
}
func newBesucher(newBesucher Besucher) Besucher {
return Besucher{
ID: xid.New().String(),