refactor schedule view and cleaning

lib/services/devices_mang_api.dart

@@ -195,6 +195,29 @@ class DevicesManagementApi {
     }
   }
 
+  Future<List<ScheduleModel>> getDeviceSchedules(
+      String uuid, String category) async {
+    try {
+      final response = await HTTPService().get(
+        path: ApiEndpoints.scheduleByDeviceId
+            .replaceAll('{deviceUuid}', uuid)
+            .replaceAll('{category}', category),
+        showServerMessage: true,
+        expectedResponseModel: (json) {
+          List<ScheduleModel> schedules = [];
+          for (var schedule in json['schedules']) {
+            schedules.add(ScheduleModel.fromJson(schedule));
+          }
+          return schedules;
+        },
+      );
+      return response;
+    } catch (e) {
+      debugPrint('Error fetching  $e');
+      return [];
+    }
+  }
+
   Future<bool> updateScheduleRecord(
       {required bool enable,
       required String uuid,