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database.go
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database.go
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package database
import (
"sync"
"github.com/layer5io/meshkit/logger"
sqlite "gorm.io/driver/sqlite"
gormpkg "gorm.io/gorm"
)
const (
POSTGRES = "postgres"
SQLITE = "sqlite"
)
type Options struct {
Filename string `json:"filename,omitempty"`
Engine string `json:"engine,omitempty"`
Logger logger.Handler
}
type Model struct {
ID string `json:"id,omitempty" gorm:"primarykey"`
CreatedAt string `json:"created_at,omitempty" gorm:"index"`
UpdatedAt string `json:"updated_at,omitempty" gorm:"index"`
DeletedAt string `json:"deleted_at,omitempty" gorm:"index"`
}
type Handler struct {
*gormpkg.DB
*sync.Mutex
// Implement methods if necessary
}
func New(opts Options) (Handler, error) {
switch opts.Engine {
case POSTGRES:
return Handler{}, ErrNoneDatabase
case SQLITE:
config := &gormpkg.Config{}
if opts.Logger != nil {
config.Logger = opts.Logger.DatabaseLogger()
}
db, err := gormpkg.Open(sqlite.Open(opts.Filename), config)
if err != nil {
return Handler{}, ErrDatabaseOpen(err)
}
return Handler{
db,
&sync.Mutex{},
}, nil
}
return Handler{}, ErrNoneDatabase
}