devicemngmt_old/devicemngt.go

78 lines
1.3 KiB
Go

package devicemngt
import (
"errors"
"fmt"
"git.selly.red/Selly-Modules/postgresql"
"github.com/Masterminds/squirrel"
"github.com/jmoiron/sqlx"
)
// PostgreSQLConfig ...
type PostgreSQLConfig struct {
Host, User, Password, DBName, Port, SSLMode string
}
// Config ...
type Config struct {
// PostgreSQL config, for save documents
PostgreSQL PostgreSQLConfig
}
// Service ...
type Service struct {
Config
DB *sqlx.DB
Builder squirrel.StatementBuilderType
}
var s *Service
// NewInstance ...
func NewInstance(config Config) error {
if config.PostgreSQL.Host == "" {
return errors.New("please provide all necessary information: source, postgresql")
}
// Connect PG
err := postgresql.Connect(
config.PostgreSQL.Host,
config.PostgreSQL.User,
config.PostgreSQL.Password,
config.PostgreSQL.DBName,
config.PostgreSQL.Port,
config.PostgreSQL.SSLMode,
)
if err != nil {
fmt.Println("Cannot init module DEVICE MANAGEMENT", err)
return err
}
s = &Service{
Config: config,
DB: postgresql.GetSqlxInstance(),
Builder: postgresql.GetStmBuilder(),
}
// Create schema
schemaContent := fmt.Sprintf(`
%s
`,
DeviceManagementSchema,
)
if _, err = s.DB.MustExec(schemaContent).RowsAffected(); err != nil {
panic(err)
}
// TODO: Index db
return nil
}
// GetInstance ...
func GetInstance() *Service {
return s
}