TZ setting shown at start (#119)

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|--")
+}