confirm dialog when deleting a folder

lib/folder_drawer.dart

@@ -90,32 +90,62 @@ class _FolderDrawerState extends State<FolderDrawer> {
         context: context,
         builder: (BuildContext context) {
           return AlertDialog(
-                      title: Text("Rename Mailbox"),
+            title: Text("Rename Mailbox"),
-                      content: TextField(
+            content: TextField(
-          controller: _renameController,
+              controller: _renameController,
-          decoration: const InputDecoration(
+              decoration: const InputDecoration(
-            hintText: "New Name",
+                hintText: "New Name",
-          ),
+              ),
-                      ),
+            ),
-                      actions: <Widget>[
+            actions: <Widget>[
-          TextButton(
+              TextButton(
-            onPressed: () {
+                onPressed: () {
-              String newfolderName = _renameController.text;
+                  String newfolderName = _renameController.text;
-              if (newfolderName.isNotEmpty) {
+                  if (newfolderName.isNotEmpty) {
-                //make an and to make sure there's two folders with the same name
+                    //make an and to make sure there's two folders with the same name
-                ApiService().renameFolder(oldFolder, newfolderName);
+                    ApiService().renameFolder(oldFolder, newfolderName);
-              }
+                  }
-              Navigator.of(context).pop();
+                  Navigator.of(context).pop();
-            },
+                },
-            child: const Text("Rename"),
+                child: const Text("Rename"),
-          )
+              ),
-                      ],
+              TextButton(
-                    );
+                onPressed: () {
+                  Navigator.of(context).pop();
+                },
+                child: const Text("Cancel"),
+              )
+            ],
+          );
         });
 
     return false;
   }
 
+  Future<void> doubleCheckDelete(String folderTobeDeleted) async {
+    return showDialog<void>(
+        context: context,
+        barrierDismissible: false,
+        builder: (BuildContext context) {
+          return AlertDialog(
+            title: Text("Confirm delete of: $folderTobeDeleted"),
+            actions: [
+              TextButton(
+                  onPressed: () {
+                    ApiService().deleteFolder(folderTobeDeleted);
+                    Navigator.of(context).pop();
+                  },
+                  child: Text("Yes")),
+              TextButton(
+                  onPressed: () {
+                    Navigator.of(context).pop();
+                  },
+                  child: Text("No")),
+            ],
+          );
+        });
+  }
+
   void _showOptions(BuildContext context, String folderName) async {
     final RenderBox overlay =
         Overlay.of(context).context.findRenderObject() as RenderBox;
@@ -143,7 +173,8 @@ class _FolderDrawerState extends State<FolderDrawer> {
       } else if (value == 'Delete') {
         // Logic for deleting the folder
         print("Deleting $folderName");
-        ApiService().deleteFolder(folderName);
+        doubleCheckDelete(folderName);
+        // ApiService().deleteFolder(folderName);
         print('Deleted folder');
       }
     });
@@ -179,6 +210,12 @@ class NewMailbox extends StatelessWidget {
           },
           child: const Text("Approve"),
         ),
+        TextButton(
+          onPressed: () {
+            Navigator.of(context).pop();
+          },
+          child: const Text("Cancel"),
+        )
       ],
     );
   }