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driver.go
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driver.go
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package sqlite
import (
"fmt"
"github.com/alioth-center/infrastructure/database"
"github.com/alioth-center/infrastructure/exit"
"github.com/alioth-center/infrastructure/logger"
"github.com/glebarez/sqlite"
"gorm.io/gorm"
"os"
"path/filepath"
)
const DriverName = "sqlite"
type sqliteDb struct {
database.BaseDatabaseImplement
}
func (s *sqliteDb) Init(options database.Options) error {
// 初始化日志
s.BaseDatabaseImplement.ParseLoggerOptions(options)
dataSource := options.DataSource
s.Logger.Info(logger.NewFields().WithMessage("start open sqliteDb database").WithData(dataSource))
// 连接数据库
db, openErr := gorm.Open(sqlite.Open(dataSource))
if openErr != nil {
if !os.IsNotExist(openErr) {
err := fmt.Errorf("open sqliteDb database error: %w", openErr)
s.Logger.Error(logger.NewFields().WithMessage(err.Error()).WithData(dataSource))
return err
} else if _, createErr := os.Create(filepath.Join("data", dataSource)); createErr != nil {
err := fmt.Errorf("create sqliteDb database error: %w", createErr)
s.Logger.Error(logger.NewFields().WithMessage(err.Error()).WithData(dataSource))
return err
}
}
// 设置数据库连接池
sqlDb, dbe := db.DB()
if dbe != nil {
return fmt.Errorf("get sqliteDb database error: %w", dbe)
}
s.BaseDatabaseImplement.ParseDatabaseOptions(sqlDb, options)
s.BaseDatabaseImplement.SetRandCommand("random()")
s.BaseDatabaseImplement.SetDriverName(DriverName)
// 连接成功
s.Db = db
s.Logger.Info(logger.NewFields().WithMessage("successfully open sqliteDb database").WithData(dataSource))
// 注册退出事件
exit.Register(func(_ string) string {
_ = sqlDb.Close()
return "closed sqlite database"
}, "sqlite database")
return nil
}
func NewSqliteDb(config Config, models ...any) (db database.Database, err error) {
sqliteDb := &sqliteDb{}
if initErr := sqliteDb.Init(convertConfigToOptions(config)); initErr != nil {
return nil, fmt.Errorf("init sqliteDb database error: %w", initErr)
} else if migrateErr := sqliteDb.Migrate(models...); migrateErr != nil {
return nil, fmt.Errorf("migrate sqliteDb database error: %w", migrateErr)
} else {
return sqliteDb, nil
}
}