I'm currently trying to create a reusable component, that will pull data from a remote source, and update the table as needed if items change on the backend. Here's a simple component:
<React.Fragment>
<Header />
<table>
<thead>
<tr>
{columns.map(c => (
<th key={c.header}>{c.header}</th>
))}
</tr>
</thead>
<tbody>{data.map(row => children(row))}</tbody>
</table>
<Pagination />
</React.Fragment>
The goal was, that from my order page, I could call it like below:
<DataTable
id="app/OrderPage/orders"
url="http://localhost:8081/api/orders"
columns={[
{ header: 'Name' },
{ header: 'Actions' },
]}
>
{order => (
<tr key={order.id}>
<td>{order.name}</td>
<td>
<Link to={`/admin/orders/${order.id}`}>
View
</Link>
</td>
</tr>
)}
</DataTable>
Now, the idea is I want to reuse this component in multiple places. I currently use redux-saga to do the fetching, and update the datatable when the data is returned. (Currently I'm providing an datatable ID, which is then being passed to FETCH_DATA, LIMIT_CHANGED, SEARCH_CHANGED, etc..., which I then use to update the parts of the slice that need changing:
function dataTableReducer(state = initialState, action) {
switch (action.type) {
case INIT: {
const { id, url, deletedItem } = action;
return state.setIn(
['tables', id],
initialTableState
.set('id', id)
.set('url', url)
.set('deletedItem', deletedItem),
);
}
case LOAD_DATA_SUCCESS:
return state.setIn(['tables', action.id, 'data'], action.data.data);
case LIMIT_CHANGED:
return state.setIn(['tables', action.id, 'limit'], action.limit);
case SEARCH_CHANGED:
return state.setIn(['tables', action.id, 'search'], action.search);
default:
return state;
}
}
My current saga for the DataTable component:
function* getData({ id }) {
const dt = yield select(selectDataTableInstance(), { id });
const { url, limit, search, page } = dt;
const res = yield call(request, url, {
qs: {
limit,
search,
page,
},
});
yield put(loadDataSuccess(id, res));
}
// Individual exports for testing
export default function* dataTableSaga() {
yield all([
takeEvery(LOAD_DATA, getData),
takeEvery(LIMIT_CHANGED, getData),
takeLatest(SEARCH_CHANGED, getData),
]);
}
The problem now becomes, how do I add additional logic to this component? For example, when a new order comes in over a websocket, I'd like the <DataTable />
component to add that row to the top of the list. The problem is, I'd need to connect additional logic to the redux-saga that I have in place. My thought initially was to add a prop to the DataTable, like deletedItem={DELETE_ORDER_SUCCESS}
, but this seems like a really nasty workaround. My reducer would need to loop through every rendered table in the slice, and check if the action.type === the one that was initialized when the table displayed.
I'm currently using React Boilerplate.
TLDR:
- Have a reusable DataTable component
- Needs to fetch data/populate table. Has search/limit/pagination functionality
- Want to add additional hooks (Like addItem), that will add the item to the top of the list, if one comes from a websocket
from Writing a HoC that shares data with redux/redux-saga
No comments:
Post a Comment