Improving user agent generation

lib/track.dart

@@ -1,8 +1,54 @@
 library glimesh_app.track;
 
+import 'dart:io';
+import 'package:flutter/material.dart';
 import 'package:plausible_analytics/plausible_analytics.dart';
 
 const String serverUrl = "https://plausible.io";
 const String domain = "app.glimesh.tv";
 
-final track = Plausible(serverUrl, domain);
+final track = Plausible(
+  serverUrl,
+  domain,
+  userAgent: UserAgentBuilder.build(),
+);
+
+class UserAgentBuilder {
+  // Build to help Plausible figure out what our device usage is. Not perfect yet though!
+  static String build() {
+    String os = Platform.operatingSystem;
+    String osVersion = Platform.operatingSystemVersion;
+    String osString = "${os} ${osVersion}";
+
+    if (Platform.isIOS) {
+      if (UserAgentBuilder.isTablet()) {
+        os = "iPad";
+      } else {
+        os = "iPhone";
+      }
+      osVersion = Platform.operatingSystemVersion
+          .replaceAll('"', '')
+          .replaceAll(".", "_");
+
+      osString = "${os}; CPU ${os} ${osVersion} like Mac OS X";
+    } else if (Platform.isAndroid) {
+      os = "Android";
+      osVersion = Platform.operatingSystemVersion
+          .replaceAll('"', '')
+          .replaceAll(".", "_");
+
+      osString = "Linux; ${os} ${osVersion}";
+    }
+
+    return "Mozilla/5.0 (${osString}) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E217";
+  }
+
+  static bool isTablet() {
+    if (WidgetsBinding.instance != null) {
+      final data = MediaQueryData.fromWindow(WidgetsBinding.instance!.window);
+      return data.size.shortestSide > 600;
+    }
+
+    return false;
+  }
+}