ad toogle interested method

covas_mobile/lib/pages/ListItemMenu.dart

@@ -423,7 +423,7 @@ class _MyHomePageState extends State<ListItemMenu> {
       var url = await getUrlForEvents();
       final response = await http.get(url, headers: {
         "Content-Type": "application/json",
-        HttpHeaders.cookieHeader: "acce0ss_token=$accessToken"
+        HttpHeaders.cookieHeader: "access_token=$accessToken"
       });
 
       if (response.statusCode == 200) {
@@ -469,6 +469,30 @@ class _MyHomePageState extends State<ListItemMenu> {
     }
   }
 
+  Future<bool> toogleInterested(String eventId) async {
+    SharedPreferences prefs = await SharedPreferences.getInstance();
+    var accessToken = prefs.getString("access_token") ?? "";
+    final url = Uri.parse("${globals.api}/events/${eventId}/interest");
+    if (accessToken.isNotEmpty) {
+      final response = await http.post(
+        url,
+        headers: {
+          "Content-Type": "application/json",
+          HttpHeaders.cookieHeader: "access_token=$accessToken"
+        },
+      );
+
+      if (response.statusCode != 200) {
+        throw (AppLocalizations.of(context)?.toogle_interest ??
+            "Error toogle interest: ${response.statusCode}");
+      }
+
+      Events? event = json.decode(response.body);
+      return event?.interested ?? false;
+    }
+    return false;
+  }
+
   Future<void> fetchPostsByLocation() async {
     SharedPreferences prefs = await SharedPreferences.getInstance();
     var accessToken = prefs.getString("access_token") ?? "";
@@ -876,15 +900,24 @@ class _MyHomePageState extends State<ListItemMenu> {
             subtitle: Text('${post.place!}\n${dateLongue}'),
             trailing: IconButton(
                 onPressed: () async {
-                  setState(() {
-                    bool checkInterested = post?.interested ?? false;
-                    post?.interested = !checkInterested;
-                  });
+                  try {
+                    final result = await toogleInterested(post.id!);
+                    setState(() {
+                      post.interested = result;
+                    });
+                  } catch (e) {
+                    ScaffoldMessenger.of(context).showSnackBar(
+                      SnackBar(
+                          content: Text(
+                              AppLocalizations.of(context)?.error_update ??
+                                  "Error when updating")),
+                    );
+                  }
                 },
                 icon: Icon(
-                    post?.interested ?? false ? Icons.star : Icons.star_border,
+                    post.interested ?? false ? Icons.star : Icons.star_border,
                     color:
-                        post?.interested ?? false ? Colors.blue : Colors.grey)),
+                        post.interested ?? false ? Colors.blue : Colors.grey)),
             onTap: () {
               Navigator.push(
                 context,