Store timestamp in database

models/db.go

@@ -30,7 +30,7 @@ func NewDB(dataSourceName string) (*DB, error) {
 		projectName TEXT,
 		mac TEXT, 
 		sn TEXT, 
-		lastMsg TEXT);`
+		lastMsg TIMESTAMP DEFAULT CURRENT_TIMESTAMP);`
 	_, err = db.Exec(sqlStmt)
 	if err != nil {
 		return nil, err

models/devices.go

@@ -2,6 +2,7 @@ package models
 
 import (
 	"fmt"
+	"time"
 )
 
 type Device struct {
@@ -33,13 +34,19 @@ func (db *DB) AllDevices() ([]*Device, error) {
 	if err = rows.Err(); err != nil {
 		return nil, err
 	}
+
 	return devices, nil
 }
 
 func (db *DB) InsertDevice(device *Device) error {
-	sqlStmt := `INSERT OR REPLACE INTO devices (topic, customerID, deviceID, projectName, mac, sn, lastMsg)
-                VALUES($1, $2, $3, $4, $5, $6, $7);`
-	_, err := db.Exec(sqlStmt, device.TOPIC, device.CustomerID, device.DeviceID, device.ProjectName, device.MAC, device.SN, device.LastMsg)
+
+	timeStamp := time.Now().Format(time.RFC3339)
+	// DEBUG
+	fmt.Printf("Timestamp: %s\n", timeStamp)
+
+	sqlStmt := `INSERT OR REPLACE INTO devices (topic, customerID, deviceID, projectName, mac, sn)
+                VALUES($1, $2, $3, $4, $5, $6);`
+	_, err := db.Exec(sqlStmt, device.TOPIC, device.CustomerID, device.DeviceID, device.ProjectName, device.MAC, device.SN)
 	if err != nil {
 		return err
 	}