initial commit

backend/database/db.go

@@ -0,0 +1,79 @@
+package database
+
+import (
+	"os"
+	"path"
+	"s-ui/config"
+	"s-ui/database/model"
+
+	"gorm.io/driver/sqlite"
+	"gorm.io/gorm"
+	"gorm.io/gorm/logger"
+)
+
+var db *gorm.DB
+
+func initUser() error {
+	var count int64
+	err := db.Model(&model.User{}).Count(&count).Error
+	if err != nil {
+		return err
+	}
+	if count == 0 {
+		user := &model.User{
+			Username: "admin",
+			Password: "admin",
+		}
+		return db.Create(user).Error
+	}
+	return nil
+}
+
+func InitDB(dbPath string) error {
+	dir := path.Dir(dbPath)
+	err := os.MkdirAll(dir, 01740)
+	if err != nil {
+		return err
+	}
+
+	var gormLogger logger.Interface
+
+	if config.IsDebug() {
+		gormLogger = logger.Default
+	} else {
+		gormLogger = logger.Discard
+	}
+
+	c := &gorm.Config{
+		Logger: gormLogger,
+	}
+	db, err = gorm.Open(sqlite.Open(dbPath), c)
+	if err != nil {
+		return err
+	}
+
+	err = db.AutoMigrate(
+		&model.Setting{},
+		&model.User{},
+		&model.Stats{},
+		&model.Client{},
+		&model.Changes{},
+	)
+	if err != nil {
+		return err
+	}
+	err = initUser()
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func GetDB() *gorm.DB {
+	return db
+}
+
+func IsNotFound(err error) bool {
+	return err == gorm.ErrRecordNotFound
+}