CfrTrainInfoTelegramBot/pkg/database/database.go
2023-09-27 04:31:02 +02:00

28 lines
400 B
Go

package database
import (
"sync"
"gorm.io/gorm"
)
var (
db *gorm.DB
mutex sync.RWMutex
)
func SetDatabase(d *gorm.DB) {
db = d
}
func ReadDB[T any](callback func(*gorm.DB) (T, error)) (T, error) {
mutex.RLock()
defer mutex.RUnlock()
return callback(db)
}
func WriteDB[T any](callback func(*gorm.DB) (T, error)) (T, error) {
mutex.Lock()
defer mutex.Unlock()
return callback(db)
}