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import type { NextPage } from "next";
import Head from "next/head";
import { List } from "immutable";
import {
Header,
Table,
Message,
Container,
Pagination,
} from "semantic-ui-react";
import styles from "../styles/Home.module.css";
import { useMemo, useState } from "react";
import AddItem from "../components/add-item";
import {
getGetItemsQueryKey,
useGetItems,
usePostItemsHook,
} from "../util/pantry-item-resource";
import { PantryItem } from "../model";
import { useMutation, useQueryClient } from "@tanstack/react-query";
const ENTRIES_PER_PAGE = Number(process.env.ENTRIES_PER_PAGE ?? "10");
interface SortStateProps {
field: keyof PantryItem;
order: "ascending" | "descending";
}
const Home: NextPage = () => {
const { data, error } = useGetItems();
const postItems = usePostItemsHook();
const queryClient = useQueryClient();
const { mutate } = useMutation(postItems, {
onSuccess: async (item) => {
queryClient.setQueryData(
getGetItemsQueryKey(),
(data ?? []).concat(item)
);
},
});
const [activePage, setActivePage] = useState(1);
const [sortState, setSortState] = useState<SortStateProps>({
field: "name",
order: "ascending",
});
const hasEntries = useMemo(
() => error === null && (data === undefined || data.length > 0),
[error, data]
);
const entries = useMemo(() => {
const list = List<PantryItem>(data);
// case insensitive sort
const sorted = list.sortBy((item) =>
item[sortState.field]?.toString().toUpperCase()
);
return sortState.order === "ascending" ? sorted : sorted.reverse();
}, [data, sortState]);
const handleSortChange = (field: keyof PantryItem) => {
setSortState((state) =>
state.field === field
? {
...state,
order: state.order === "ascending" ? "descending" : "ascending",
}
: { field: field, order: "ascending" }
);
};
return (
<Container className={styles.container}>
<Head>
<title>Pantry</title>
<meta
name="description"
content="Meal planning with inventory management"
/>
<link rel="icon" href="/favicon.ico" />
</Head>
<Header as="h1" className="title">
Pantry
</Header>
<AddItem addItem={(newItem) => Promise.resolve(mutate(newItem))} />
<Message error={error !== null} attached hidden={hasEntries}>
{error !== null
? error.message !== undefined
? `Network error occurred: ${error.message}`
: "Unknown network error occurred"
: "Nothing's in the pantry at the moment!"}
</Message>
<Table sortable attached="bottom">
<Table.Header>
<Table.Row>
<Table.HeaderCell
sorted={sortState.field === "name" ? sortState.order : undefined}
onClick={() => handleSortChange("name")}
>
Name
</Table.HeaderCell>
<Table.HeaderCell
sorted={
sortState.field === "description" ? sortState.order : undefined
}
onClick={() => handleSortChange("description")}
>
Description
</Table.HeaderCell>
<Table.HeaderCell
sorted={
sortState.field === "quantity" ? sortState.order : undefined
}
onClick={() => handleSortChange("quantity")}
>
Quantity
</Table.HeaderCell>
</Table.Row>
</Table.Header>
<Table.Body>
{entries
.valueSeq()
.slice(
(activePage - 1) * ENTRIES_PER_PAGE,
activePage * ENTRIES_PER_PAGE
)
.map((item: PantryItem) => (
<Table.Row key={item.id}>
<Table.Cell>{item.name}</Table.Cell>
<Table.Cell>
{item.description === "" ? "—" : item.description}
</Table.Cell>
<Table.Cell>
{item.quantity} {item.quantityUnitType}
</Table.Cell>
</Table.Row>
))}
</Table.Body>
<Table.Footer>
<Table.Row>
<Table.HeaderCell colSpan="3">
<Pagination
activePage={activePage}
onPageChange={(_, { activePage }) =>
setActivePage(Number(activePage ?? 1))
}
totalPages={Math.max(
1,
Math.ceil(entries.size / ENTRIES_PER_PAGE)
)}
/>
</Table.HeaderCell>
</Table.Row>
</Table.Footer>
</Table>
</Container>
);
};
export default Home;
|
