rename backend to core

core/internal/server/network/helpers.go

@@ -0,0 +1,53 @@
+package network
+
+import "sort"
+
+func frequencyToChannel(freq uint32) uint32 {
+	if freq >= 2412 && freq <= 2484 {
+		if freq == 2484 {
+			return 14
+		}
+		return (freq-2412)/5 + 1
+	}
+
+	if freq >= 5170 && freq <= 5825 {
+		return (freq-5170)/5 + 34
+	}
+
+	if freq >= 5955 && freq <= 7115 {
+		return (freq-5955)/5 + 1
+	}
+
+	return 0
+}
+
+func sortWiFiNetworks(networks []WiFiNetwork) {
+	sort.Slice(networks, func(i, j int) bool {
+		if networks[i].Connected && !networks[j].Connected {
+			return true
+		}
+		if !networks[i].Connected && networks[j].Connected {
+			return false
+		}
+
+		if networks[i].Saved && !networks[j].Saved {
+			return true
+		}
+		if !networks[i].Saved && networks[j].Saved {
+			return false
+		}
+
+		if !networks[i].Secured && networks[j].Secured {
+			if networks[i].Signal >= 50 {
+				return true
+			}
+		}
+		if networks[i].Secured && !networks[j].Secured {
+			if networks[j].Signal >= 50 {
+				return false
+			}
+		}
+
+		return networks[i].Signal > networks[j].Signal
+	})
+}