forked from Meduoduo/kisara
/
init.go
123 lines (99 loc) · 2.78 KB
/
init.go
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package db
import (
"fmt"
log "github.com/Yeuoly/kisara/src/routine/log"
"github.com/Yeuoly/kisara/src/types"
"gorm.io/driver/sqlite"
"gorm.io/gorm"
)
/*
ORM for SQLite
*/
var kisaraDB *gorm.DB
var (
ErrNotFound = gorm.ErrRecordNotFound
)
func InitKisaraDB(db_path string) {
db, err := gorm.Open(sqlite.Open(db_path), &gorm.Config{})
if err != nil {
log.Panic("[Kisara] Failed to init Kisara DB: " + err.Error())
}
kisaraDB = db
registerModel()
}
func registerModel() {
kisaraDB.AutoMigrate(&types.DBContainer{})
kisaraDB.AutoMigrate(&types.DBService{})
kisaraDB.AutoMigrate(&types.DBImage{})
}
func CreateGeneric[T any](data *T) error {
return kisaraDB.Create(data).Error
}
func UpdateGeneric[T any](data *T) error {
return kisaraDB.Save(data).Error
}
func DeleteGeneric[T any](data *T) error {
return kisaraDB.Delete(data).Error
}
type genericComparableConstraint interface {
int | int8 | int16 | int32 | int64 |
uint | uint8 | uint16 | uint32 | uint64 |
float32 | float64
}
type genericEqualConstraint interface {
genericComparableConstraint | string
}
type genericQuery func(tx *gorm.DB) *gorm.DB
func GenericEqual[T genericEqualConstraint](field string, value T) genericQuery {
return func(tx *gorm.DB) *gorm.DB {
return tx.Where(fmt.Sprintf("%s = ?", field), value)
}
}
func GenericNotEqual[T genericEqualConstraint](field string, value T) genericQuery {
return func(tx *gorm.DB) *gorm.DB {
return tx.Where(fmt.Sprintf("%s != ?", field), value)
}
}
func GenericGreaterThan[T genericComparableConstraint](field string, value T) genericQuery {
return func(tx *gorm.DB) *gorm.DB {
return tx.Where(fmt.Sprintf("%s > ?", field), value)
}
}
func GenericGreaterThanOrEqual[T genericComparableConstraint](field string, value T) genericQuery {
return func(tx *gorm.DB) *gorm.DB {
return tx.Where(fmt.Sprintf("%s >= ?", field), value)
}
}
func GenericLessThan[T genericComparableConstraint](field string, value T) genericQuery {
return func(tx *gorm.DB) *gorm.DB {
return tx.Where(fmt.Sprintf("%s < ?", field), value)
}
}
func GenericLessThanOrEqual[T genericComparableConstraint](field string, value T) genericQuery {
return func(tx *gorm.DB) *gorm.DB {
return tx.Where(fmt.Sprintf("%s <= ?", field), value)
}
}
func GenericInArray(field string, value []interface{}) genericQuery {
return func(tx *gorm.DB) *gorm.DB {
return tx.Where(fmt.Sprintf("%s IN ?", field), value)
}
}
func GetGenericOne[T any](query ...genericQuery) (T /* data */, error) {
var data T
tmp := kisaraDB
for _, q := range query {
tmp = q(tmp)
}
err := tmp.First(&data).Error
return data, err
}
func GetGenericAll[T any](query ...genericQuery) ([]T /* data */, error) {
var data []T
tmp := kisaraDB
for _, q := range query {
tmp = q(tmp)
}
err := tmp.Find(&data).Error
return data, err
}