setting up routes order mern code example

Example: setting up routes order mern

//MERN STACK - UPDATE
//Add your route
router.patch(`/:id`, updatePost)

//Set up controller
export const updatePost = async (req, res) => {
    const { id: _id } = req.params;

    const post = req.body;

    if(!mongoose.Types.ObjectId.isValid(_id)) return res.status(404).send('No post with that id');

    const updatedPost = await PostMessage.findByIdAndUpdate(_id, post, { new: true })

    res.json(updatedPost)
}

//Make sure your prop drilling/redux data is being passed along properly

//Update handlesubmit needbe, and add to imports 
  const handleSubmit = (e) => {
      e.preventDefault();

      if(currentId) {
        dispatch(updatePost(currentId, postData))
      } else {
        dispatch(createPost(postData))

      }
      
      // console.log("dispatched")
  };

//Add API route
export const updatePost = (id, updatedPost) => axios.patch(`${url}/${id}`, updatedPost)

//Add action
export const updatePost = (id, post) => async (dispatch) => {
  try {
    const { data } = await api.updatePost(id, post);
    dispatch({ type: `UPDATE`, payload: data });
  } catch (error) {}
};

//Go to reducers
    case "UPDATE":
      return posts.map((post) => post._id === action.payload._id ? action.payload : post)
      
//Set state