live/app/lib/db/baseModel.go

package db

import (
	"database/sql"
	"gorm.io/gorm"
)

type BaseModel struct {
	db *gorm.DB
}

func (b *BaseModel) GetDb() *gorm.DB {
	if b.db == nil {
		b.db = Db
	}
	return b.db
}

func (b *BaseModel) SetDb(db *gorm.DB) {
	b.db = db
}

func (b *BaseModel) Begin(opts ...*sql.TxOptions) *gorm.DB {
	b.db = b.GetDb().Begin(opts...)
	return b.db
}

func (b *BaseModel) Rollback() *gorm.DB {
	b.db = b.GetDb().Rollback()
	return b.db
}

func (b *BaseModel) Commit() *gorm.DB {
	b.db = b.GetDb().Commit()
	return b.db
}

func (b *BaseModel) Transaction(fc func(tx *gorm.DB) error, opts ...*sql.TxOptions) error {
	return b.GetDb().Transaction(fc, opts...)
}