Projects section usable, Sticky headers added

lib/User.dart

@@ -1180,6 +1180,47 @@ class UserOperations {
     await executeQueries();
   }
 
+  static Future<void> UndoProjectStep(Project project, ProjectStep step) async {
+
+    project.steps.forEach((element) {
+      if(element.stepName == step.stepName){
+        element.finishedDate = null;
+      }
+    });
+
+    Map<String, String> queryBody = <String, String>{
+      'name':  username+project.name,
+      'username': username,
+      'steps': jsonEncode(project.steps),
+    };
+
+    if (cacheEnabled) {
+      //Add Query
+      Map<String, Object> query = {Queries.colLink: 'update_projectSteps', Queries.colData: jsonEncode(queryBody)};
+
+      print("adding new query ${query[Queries.colLink]} : ${jsonEncode(queryBody)}");
+
+      await cacheDb.insert('Queries', query);
+      await cacheDb.rawUpdate("UPDATE Projects SET steps='${jsonEncode(project.steps)}' WHERE ${Project.colName}='${project.name}'");
+      //update Cache
+      // Map<String, Object> data = {Project.colName: username+name, Project.colCat: category, Project.colSteps: jsonEncode(steps),Project.colEta: eta, Project.colDeadline: deadline.toString()};
+      // await cacheDb.insert('Projects', data);
+      await refreshUserData(forceOffline: true);
+    } else {
+      try {
+        http.Response queryResponse = (await http.post(Uri.parse('http://161.97.127.136/task_tracker/update_projectSteps.php'), body: queryBody));
+        print("Query executed : Results{${queryResponse.body}");
+        if (queryResponse.body.toLowerCase().contains("success")) {
+          //Success
+        }
+      } catch (e) {
+        print('NC: Error completing prjctStep $e}');
+      }
+    }
+
+    await executeQueries();
+  }
+
   static Future<void> deleteTask(String name, {bulk = false}) async {
     Map<String, String> queryBody = <String, String>{
       'id': username + name,