MQTTListener/models/db.go
Siegfried Siegert 985b4e8fde Prepare for storing device data in database
- create device id from mqtt topic
- implement method for storing device in database

Still todo:
- extract other data (e.g. MAC, SN) from monitoring object
- find a way in mqtt to use global env
2020-08-30 21:42:01 +02:00

35 lines
593 B
Go

package models
import (
"database/sql"
_ "github.com/mattn/go-sqlite3"
)
type Datastore interface {
AllDevices() ([]*Device, error)
InsertDevice(*Device) error
}
type DB struct {
*sql.DB
}
func NewDB(dataSourceName string) (*DB, error) {
db, err := sql.Open("sqlite3", dataSourceName)
if err != nil {
return nil, err
}
if err = db.Ping(); err != nil {
return nil, err
}
sqlStmt := "CREATE TABLE IF NOT EXISTS devices (id TEXT not null primary key, mac TEXT, sn TEXT, lastMsg TEXT);"
_, err = db.Exec(sqlStmt)
if err != nil {
return nil, err
}
return &DB{db}, nil
}