Feature: Protonvpn support (#437 clone on #434)

internal/models/server.go

@@ -108,6 +108,21 @@ func (s *PrivatevpnServer) String() string {
 		s.Country, s.City, s.Hostname, goStringifyIPs(s.IPs))
 }
 
+type ProtonvpnServer struct {
+	Country  string `json:"country"`
+	Region   string `json:"region"`
+	City     string `json:"city"`
+	Name     string `json:"name"`
+	Hostname string `json:"hostname"`
+	EntryIP  net.IP `json:"entry_ip"`
+	ExitIP   net.IP `json:"exit_ip"` // TODO verify it matches with public IP once connected
+}
+
+func (s *ProtonvpnServer) String() string {
+	return fmt.Sprintf("{Country: %q, Region: %q, City: %q, Name: %q, Hostname: %q, EntryIP: %s, ExitIP: %s}",
+		s.Country, s.Region, s.City, s.Name, s.Hostname, goStringifyIP(s.EntryIP), goStringifyIP(s.ExitIP))
+}
+
 type PurevpnServer struct {
 	Country string   `json:"country"`
 	Region  string   `json:"region"`

internal/models/servers.go

@@ -10,6 +10,7 @@ type AllServers struct {
 	Privado    PrivadoServers    `json:"privado"`
 	Pia        PiaServers        `json:"pia"`
 	Privatevpn PrivatevpnServers `json:"privatevpn"`
+	Protonvpn  ProtonvpnServers  `json:"protonvpn"`
 	Purevpn    PurevpnServers    `json:"purevpn"`
 	Surfshark  SurfsharkServers  `json:"surfshark"`
 	Torguard   TorguardServers   `json:"torguard"`
@@ -26,6 +27,7 @@ func (a *AllServers) Count() int {
 		len(a.Privado.Servers) +
 		len(a.Pia.Servers) +
 		len(a.Privatevpn.Servers) +
+		len(a.Protonvpn.Servers) +
 		len(a.Purevpn.Servers) +
 		len(a.Surfshark.Servers) +
 		len(a.Torguard.Servers) +
@@ -73,6 +75,11 @@ type PrivatevpnServers struct {
 	Timestamp int64              `json:"timestamp"`
 	Servers   []PrivatevpnServer `json:"servers"`
 }
+type ProtonvpnServers struct {
+	Version   uint16            `json:"version"`
+	Timestamp int64             `json:"timestamp"`
+	Servers   []ProtonvpnServer `json:"servers"`
+}
 type PurevpnServers struct {
 	Version   uint16          `json:"version"`
 	Timestamp int64           `json:"timestamp"`