fix: Fixes API routes.

backend/api/controllers/v1/proxies/start.go

@@ -19,10 +19,6 @@ type ProxyStartRequest struct {
 	ID    uint   `validate:"required" json:"id"`
 }
 
-type ProxyStartResponse struct {
-	Success bool `json:"success"`
-}
-
 func StartProxy(c *gin.Context) {
 	var req ProxyStartRequest
 
@@ -92,9 +88,19 @@ func StartProxy(c *gin.Context) {
 		return
 	}
 
-	backend := backendruntime.RunningBackends[proxy.BackendID]
+	backend, ok := backendruntime.RunningBackends[proxy.BackendID]
 
-	backend.RuntimeCommands <- commonbackend.AddProxy{
+	if !ok {
+		log.Warnf("Couldn't fetch backend runtime from backend ID #%d", proxy.BackendID)
+
+		c.JSON(http.StatusInternalServerError, gin.H{
+			"error": "Couldn't fetch backend runtime",
+		})
+
+		return
+	}
+
+	backend.RuntimeCommands <- &commonbackend.AddProxy{
 		Type:       "addProxy",
 		SourceIP:   proxy.SourceIP,
 		SourcePort: proxy.SourcePort,
@@ -121,13 +127,19 @@ func StartProxy(c *gin.Context) {
 
 			return
 		}
+
 		break
 	default:
 		log.Errorf("Got illegal response type for backend #%d: %T", proxy.BackendID, responseMessage)
-		break
+
+		c.JSON(http.StatusInternalServerError, gin.H{
+			"error": "Got invalid response from backend. Proxy was still successfully deleted",
+		})
+
+		return
 	}
 
-	c.JSON(http.StatusOK, &ProxyStartResponse{
-		Success: true,
+	c.JSON(http.StatusOK, gin.H{
+		"success": true,
 	})
 }