Siegfried Siegert
daa79b27ca
- add a database for devices - read devices from database and present this data on a simple web/REST interface The code or model is from a blog entry from Alex Edward: https://www.alexedwards.net/blog/organising-database-access
37 lines
638 B
Go
37 lines
638 B
Go
package models
|
|
|
|
type Device struct {
|
|
ID string
|
|
MAC string
|
|
SN string
|
|
LastMsg string
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
func (db *DB) AllDevices() ([]*Device, error) {
|
|
rows, err := db.Query("SELECT * FROM devices")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer rows.Close()
|
|
|
|
devices := make([]*Device, 0)
|
|
for rows.Next() {
|
|
device := new(Device)
|
|
err := rows.Scan(&device.ID, &device.MAC, &device.SN, &device.LastMsg)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
devices = append(devices, device)
|
|
}
|
|
if err = rows.Err(); err != nil {
|
|
return nil, err
|
|
}
|
|
return devices, nil
|
|
}
|
|
|
|
|