Siegfried Siegert
985b4e8fde
- 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
42 lines
849 B
Go
42 lines
849 B
Go
package models
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type Device struct {
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ID string
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MAC string
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SN string
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LastMsg string
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}
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func (db *DB) AllDevices() ([]*Device, error) {
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rows, err := db.Query("SELECT * FROM devices")
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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devices := make([]*Device, 0)
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for rows.Next() {
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device := new(Device)
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err := rows.Scan(&device.ID, &device.MAC, &device.SN, &device.LastMsg)
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if err != nil {
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return nil, err
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}
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devices = append(devices, device)
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}
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if err = rows.Err(); err != nil {
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return nil, err
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}
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return devices, nil
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}
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func (db *DB) InsertDevice(device *Device) error {
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sqlStmt := `INSERT OR REPLACE INTO table (id, mac, sn, lastMsg)
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VALUES($1, $2, $3, $4);`
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_, err := db.Exec(sqlStmt, device.ID, device.MAC, device.SN, device.LastMsg)
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if err != nil {
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return err
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}
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return err
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}
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