minor refactor

db/traffic/TrafficData.hpp

@@ -0,0 +1,40 @@
+#pragma once
+
+#include "main/NekoGui.hpp"
+
+namespace NekoGui_traffic {
+    class TrafficData : public JsonStore {
+    public:
+        int id = -1; // ent id
+        std::string tag;
+
+        long long downlink = 0;
+        long long uplink = 0;
+        long long downlink_rate = 0;
+        long long uplink_rate = 0;
+
+        long long last_update;
+
+        explicit TrafficData(std::string tag) {
+            this->tag = std::move(tag);
+            _add(new configItem("dl", &downlink, itemType::integer64));
+            _add(new configItem("ul", &uplink, itemType::integer64));
+        };
+
+        void Reset() {
+            downlink = 0;
+            uplink = 0;
+            downlink_rate = 0;
+            uplink_rate = 0;
+        }
+
+        [[nodiscard]] QString DisplaySpeed() const {
+            return UNICODE_LRO + QString("%1↑ %2↓").arg(ReadableSize(uplink_rate), ReadableSize(downlink_rate));
+        }
+
+        [[nodiscard]] QString DisplayTraffic() const {
+            if (downlink + uplink == 0) return "";
+            return UNICODE_LRO + QString("%1↑ %2↓").arg(ReadableSize(uplink), ReadableSize(downlink));
+        }
+    };
+} // namespace NekoGui_traffic