misc: small fix or general refactoring i did not bother commenting

modules/ble/ble_show_sort.go

@@ -0,0 +1,33 @@
+// +build !windows
+// +build !darwin
+
+package ble
+
+import (
+	"github.com/bettercap/bettercap/network"
+)
+
+type ByBLERSSISorter []*network.BLEDevice
+
+func (a ByBLERSSISorter) Len() int      { return len(a) }
+func (a ByBLERSSISorter) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
+func (a ByBLERSSISorter) Less(i, j int) bool {
+	if a[i].RSSI == a[j].RSSI {
+		return a[i].Device.ID() < a[j].Device.ID()
+	}
+	return a[i].RSSI > a[j].RSSI
+}
+
+type ByBLEMacSorter []*network.BLEDevice
+
+func (a ByBLEMacSorter) Len() int      { return len(a) }
+func (a ByBLEMacSorter) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
+func (a ByBLEMacSorter) Less(i, j int) bool {
+	return a[i].Device.ID() < a[j].Device.ID()
+}
+
+type ByBLESeenSorter []*network.BLEDevice
+
+func (a ByBLESeenSorter) Len() int           { return len(a) }
+func (a ByBLESeenSorter) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }
+func (a ByBLESeenSorter) Less(i, j int) bool { return a[i].LastSeen.Before(a[j].LastSeen) }