Improve panic message for empty connection

internal/models/openvpn.go

@@ -5,10 +5,10 @@ import (
 )
 
 type OpenVPNConnection struct {
-	IP       net.IP
-	Port     uint16
-	Protocol NetworkProtocol
-	Hostname string // Privado for tls verification
+	IP       net.IP          `json:"ip"`
+	Port     uint16          `json:"port"`
+	Protocol NetworkProtocol `json:"protocol"`
+	Hostname string          `json:"hostname"` // Privado for tls verification
 }
 
 func (o *OpenVPNConnection) Equal(other OpenVPNConnection) bool {

internal/models/servers.go

@@ -13,6 +13,18 @@ type AllServers struct {
 	Windscribe WindscribeServers `json:"windscribe"`
 }
 
+func (a *AllServers) Count() int {
+	return len(a.Cyberghost.Servers) +
+		len(a.Mullvad.Servers) +
+		len(a.Nordvpn.Servers) +
+		len(a.Pia.Servers) +
+		len(a.Privado.Servers) +
+		len(a.Purevpn.Servers) +
+		len(a.Surfshark.Servers) +
+		len(a.Vyprvpn.Servers) +
+		len(a.Windscribe.Servers)
+}
+
 type CyberghostServers struct {
 	Version   uint16             `json:"version"`
 	Timestamp int64              `json:"timestamp"`