change for heart and and count interested people

covas_mobile/lib/pages/ListItemMenu.dart

@@ -469,7 +469,7 @@ class _MyHomePageState extends State<ListItemMenu> {
     }
   }
 
-  Future<bool> toggleInterested(String eventId) async {
+  Future<Map<String, dynamic>> toggleInterested(String eventId) async {
     SharedPreferences prefs = await SharedPreferences.getInstance();
     var accessToken = prefs.getString("access_token") ?? "";
     final url = Uri.parse("${globals.api}/events/${eventId}/interest");
@@ -488,9 +488,9 @@ class _MyHomePageState extends State<ListItemMenu> {
       }
 
       var event = json.decode(response.body);
-      return event["interested"];
+      return event;
     }
-    return false;
+    return {"interested": false, "interested_count": 0};
   }
 
   Future<void> fetchPostsByLocation() async {
@@ -895,15 +895,21 @@ class _MyHomePageState extends State<ListItemMenu> {
                   'en_US';
           final dateLongue =
               DateFormat('EEEE d MMMM y', locale).format(startDate);
+          final countInterestedString =
+              AppLocalizations.of(context)?.count_interested ??
+                  "Interested people number";
+          final countInterested =
+              "${countInterestedString} : ${post.interestedCount}";
           return ListTile(
             title: Text('${post.name!}'),
-            subtitle: Text('${post.place!}\n${dateLongue}'),
+            subtitle: Text('${post.place!}\n${dateLongue}\n${countInterested}'),
             trailing: IconButton(
                 onPressed: () async {
                   try {
                     final result = await toggleInterested(post.id!);
                     setState(() {
-                      post.interested = result;
+                      post.interested = result["interested"];
+                      post.interestedCount = result["interested_count"];
                     });
                   } catch (e) {
                     ScaffoldMessenger.of(context).showSnackBar(
@@ -915,9 +921,11 @@ class _MyHomePageState extends State<ListItemMenu> {
                   }
                 },
                 icon: Icon(
-                    post.interested ?? false ? Icons.star : Icons.star_border,
+                    post.interested ?? false
+                        ? Icons.favorite
+                        : Icons.favorite_border,
                     color:
-                        post.interested ?? false ? Colors.blue : Colors.grey)),
+                        post.interested ?? false ? Colors.red : Colors.grey)),
             onTap: () {
               Navigator.push(
                 context,