add button star

covas_mobile/lib/classes/events.dart

@@ -12,6 +12,8 @@ class Events {
   List<String>? tags;
   List<String>? organizers;
   String? imgUrl;
+  int? interestedCount;
+  bool? interested;
   Events(
       {this.place,
       this.id,
@@ -25,7 +27,9 @@ class Events {
       this.organizers,
       this.link,
       this.ticket,
-      this.imgUrl});
+      this.imgUrl,
+      this.interestedCount,
+      this.interested});
 
   Events.fromJson(Map<String, dynamic> json) {
     id = json['id'] as String?;
@@ -44,5 +48,7 @@ class Events {
     imgUrl = json['imgUrl'] as String?;
     link = json['link'] as String?;
     ticket = json['ticket'] as String?;
+    interested = json['interested'] as bool?;
+    interestedCount = json['interested_count'] as int?;
   }
 }

covas_mobile/lib/pages/ListItemMenu.dart

@@ -874,6 +874,17 @@ class _MyHomePageState extends State<ListItemMenu> {
           return ListTile(
             title: Text('${post.name!}'),
             subtitle: Text('${post.place!}\n${dateLongue}'),
+            trailing: IconButton(
+                onPressed: () async {
+                  setState(() {
+                    bool checkInterested = post?.interested ?? false;
+                    post?.interested = !checkInterested;
+                  });
+                },
+                icon: Icon(
+                    post?.interested ?? false ? Icons.star : Icons.star_border,
+                    color:
+                        post?.interested ?? false ? Colors.blue : Colors.grey)),
             onTap: () {
               Navigator.push(
                 context,