TZ setting shown at start (#119)

internal/settings/settings.go

@@ -14,12 +14,11 @@ type Settings struct {
 	PIA         PIA
 	Mullvad     Mullvad
 	Windscribe  Windscribe
+	System      System
 	DNS         DNS
 	Firewall    Firewall
 	TinyProxy   TinyProxy
 	ShadowSocks ShadowSocks
-	UID         int
-	GID         int
 }
 
 func (s *Settings) String() string {
@@ -34,9 +33,9 @@ func (s *Settings) String() string {
 	}
 	return strings.Join([]string{
 		"Settings summary below:",
-		fmt.Sprintf("|-- Using UID %d and GID %d", s.UID, s.GID),
 		s.OpenVPN.String(),
 		vpnServiceProvider,
+		s.System.String(),
 		s.DNS.String(),
 		s.Firewall.String(),
 		s.TinyProxy.String(),
@@ -118,11 +117,7 @@ func GetAllSettings(params params.ParamsReader) (settings Settings, err error) {
 	if err != nil {
 		return settings, err
 	}
-	settings.UID, err = params.GetUID()
-	if err != nil {
-		return settings, err
-	}
-	settings.GID, err = params.GetGID()
+	settings.System, err = GetSystemSettings(params)
 	if err != nil {
 		return settings, err
 	}

internal/settings/system.go

@@ -0,0 +1,42 @@
+package settings
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/qdm12/private-internet-access-docker/internal/params"
+)
+
+// System contains settings to configure system related elements
+type System struct {
+	UID      int
+	GID      int
+	Timezone string
+}
+
+// GetSystemSettings obtains the System settings using the params functions
+func GetSystemSettings(params params.ParamsReader) (settings System, err error) {
+	settings.UID, err = params.GetUID()
+	if err != nil {
+		return settings, err
+	}
+	settings.GID, err = params.GetGID()
+	if err != nil {
+		return settings, err
+	}
+	settings.Timezone, err = params.GetTimezone()
+	if err != nil {
+		return settings, err
+	}
+	return settings, nil
+}
+
+func (s *System) String() string {
+	settingsList := []string{
+		"System settings:",
+		fmt.Sprintf("User ID: %d", s.UID),
+		fmt.Sprintf("Group ID: %d", s.GID),
+		fmt.Sprintf("Timezone: %s", s.Timezone),
+	}
+	return strings.Join(settingsList, "\n|--")
+}