create install services

Frontend/lib/mih_apis/mih_install_services.dart

@@ -0,0 +1,64 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter/widgets.dart';
+import 'package:mzansi_innovation_hub/main.dart';
+import 'package:pwa_install/pwa_install.dart';
+// import 'package:universal_html/js.dart' as js;
+import 'package:url_launcher/url_launcher.dart';
+
+class MihInstallServices {
+  String? errorMessage;
+
+  Future<void> launchSocialUrl(Uri linkUrl) async {
+    if (!await launchUrl(linkUrl)) {
+      throw Exception('Could not launch $linkUrl');
+    }
+  }
+
+  void installMihTrigger(BuildContext context) {
+    final isWebAndroid =
+        kIsWeb && (defaultTargetPlatform == TargetPlatform.android);
+    final isWebIos = kIsWeb && (defaultTargetPlatform == TargetPlatform.iOS);
+    if (isWebAndroid) {
+      launchSocialUrl(
+        Uri.parse(
+          "https://play.google.com/store/apps/details?id=za.co.mzansiinnovationhub.mih",
+        ),
+      );
+    } else if (isWebIos) {
+      //Show pop up for IOS
+      launchSocialUrl(
+        Uri.parse(
+          "https://apps.apple.com/za/app/mzansi-innovation-hub/id6743310890",
+        ),
+      );
+    } else if (MzanziInnovationHub.of(context)!.theme.getPlatform() ==
+        "Android") {
+      //Installed Android App
+      launchSocialUrl(
+        Uri.parse(
+          "https://play.google.com/store/apps/details?id=za.co.mzansiinnovationhub.mih",
+        ),
+      );
+    } else if (MzanziInnovationHub.of(context)!.theme.getPlatform() == "iOS") {
+      launchSocialUrl(
+        Uri.parse(
+          "https://apps.apple.com/za/app/mzansi-innovation-hub/id6743310890",
+        ),
+      );
+    } else {
+      //Web
+      if (PWAInstall().installPromptEnabled) {
+        try {
+          PWAInstall().promptInstall_();
+        } catch (e) {
+          errorMessage = e.toString();
+          debugPrint('Error prompting install: $e');
+        }
+      } else {
+        // Fallback for unsupported platforms
+        debugPrint('Install prompt not available for this platform.');
+      }
+      // js.context.callMethod("presentAddToHome");
+    }
+  }
+}