Add NetworkDevices widget to display and manage network devices

widgets/networkdevices.go

@@ -0,0 +1,70 @@
+package widgets
+
+import (
+	"ArinDash/apis/networking"
+	"ArinDash/util"
+	"context"
+	"fmt"
+	"sort"
+	"strings"
+	"time"
+
+	"github.com/mum4k/termdash/cell"
+	"github.com/mum4k/termdash/terminal/terminalapi"
+	"github.com/mum4k/termdash/widgetapi"
+	"github.com/mum4k/termdash/widgets/text"
+)
+
+type NetworkDevicesOptions struct {
+}
+
+func NetworkDevices() NetworkDevicesOptions {
+	widgetOptions["NetworkDevicesOptions"] = createNetworkDevicesList
+	return NetworkDevicesOptions{}
+}
+
+func createNetworkDevicesList(ctx context.Context, _ terminalapi.Terminal, _ interface{}) widgetapi.Widget {
+	list := util.PanicOnErrorWithResult(text.New())
+	go util.Periodic(ctx, 20*time.Second, func() error {
+		interfaces := networking.GetDevices()
+		list.Reset()
+		for iface, devices := range interfaces {
+			status := cell.ColorGreen
+			if iface == "offline" {
+				status = cell.ColorGray
+			}
+			if err := list.Write(fmt.Sprintf("=== %s ===\n", iface)); err != nil {
+				return err
+			}
+			for _, mac := range sortedKeys(devices) {
+				if err := list.Write(fmt.Sprintf("|%-15s|", mac), text.WriteCellOpts(cell.FgColor(cell.ColorGray))); err != nil {
+					return err
+				}
+				if err := list.Write(fmt.Sprintf("%2s ", devices[mac].Icon), text.WriteCellOpts(cell.FgColor(status))); err != nil {
+					return err
+				}
+				if err := list.Write(fmt.Sprintf(" %s", devices[mac].Name), text.WriteCellOpts(cell.FgColor(cell.ColorWhite))); err != nil {
+					return err
+				}
+				if err := list.Write(fmt.Sprintf(" (%s)\n", devices[mac].IP), text.WriteCellOpts(cell.FgColor(cell.ColorGray))); err != nil {
+					return err
+				}
+			}
+		}
+
+		return nil
+	})
+
+	return list
+}
+
+func sortedKeys(devices map[string]networking.Device) []string {
+	macs := make([]string, 0, len(devices))
+	for mac := range devices {
+		macs = append(macs, mac)
+	}
+	sort.SliceStable(macs, func(i, j int) bool {
+		return strings.Compare(devices[macs[i]].Name, devices[macs[j]].Name) < 0
+	})
+	return macs
+}