feat: computer data uptime

also fix last commit

internal/handler/computer.go

@@ -9,6 +9,7 @@ import (
 	"log/slog"
 	"net/http"
 	"os"
+	"time"
 
 	"github.com/gorilla/websocket"
 )
@@ -36,12 +37,14 @@ func HandleComputerWebSocket(w http.ResponseWriter, r *http.Request) {
 
 	slog.Info("WebSocket connection established")
 	service.ComputerData.Online = true
+	service.ComputerData.UptimeStart = int(time.Now().Unix())
 
 	for {
 		_, message, err := conn.ReadMessage()
 		if err != nil {
 			slog.Error("WebSocket connection closed by client", slog.Any("error", err))
 			service.ComputerData.Online = false
+			service.ComputerData.UptimeStart = 0
 			break
 		}
 

internal/model/computer.go

@@ -10,9 +10,10 @@ type ComputerWebSocketMessage struct {
 }
 
 type ComputerData struct {
-	Online bool                `json:"online"`
+	Online      bool                `json:"online"`
-	Totals ComputerTotals      `json:"totals"`
+	UptimeStart int                 `json:"uptimeStart"`
-	Graph  []ComputerGraphData `json:"graph"`
+	Totals      ComputerTotals      `json:"totals"`
+	Graph       []ComputerGraphData `json:"graph"`
 }
 
 type ComputerTotals struct {

internal/server/router.go

@@ -52,12 +52,17 @@ func NewRouter() {
 		// Prometheus
 		r.Handle("/metrics", promhttp.Handler())
 
+		var commit = "unknown"
+		if os.Getenv("SOURCE_COMMIT") != "" {
+			commit = os.Getenv("SOURCE_COMMIT")[:7] // shorten to 7 characters
+		}
+
 		r.Get("/", func(w http.ResponseWriter, r *http.Request) {
 			w.Header().Set("Content-Type", "application/json")
 			json.NewEncoder(w).Encode(map[string]string{
 				"name":   "trafficlunar's api",
 				"url":    "https://github.com/trafficlunar/api",
-				"commit": os.Getenv("SOURCE_COMMIT")[:7], // shorten to 7 characters
+				"commit": commit,
 			})
 		})
 		r.Get("/favicon.ico", func(w http.ResponseWriter, r *http.Request) {