107 lines
2.7 KiB
TypeScript
107 lines
2.7 KiB
TypeScript
import { useAtom } from "jotai";
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import type { NextPage } from "next";
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import { useEffect, useRef } from "react";
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import { SyntheticEvent, useState } from "react";
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import { Form } from "react-bootstrap";
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import NumberEditBox from "../components/NumberEditBox";
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import ReceiptItem from "../components/ReceiptItem";
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import { moneyFormatter } from "../lib/formatter";
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import { ParsedInputDisplay } from "../lib/parseInput";
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import {
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addLine,
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receiptAtom,
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receiptTotalAtom,
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totalAtom,
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receiptAtomToJSON,
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} from "../lib/state";
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const Home: NextPage = () => {
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const [receipt, setReceipt] = useAtom(receiptAtom);
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const [input, setInput] = useState("");
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const [total] = useAtom(totalAtom);
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const [calculated] = useAtom(receiptTotalAtom);
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const [receiptJson] = useAtom(receiptAtomToJSON);
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const isAddCalled = useRef(false);
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const formatter = new Intl.NumberFormat("en-US", {
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style: "currency",
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currency: "USD",
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});
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const add = async (e: SyntheticEvent) => {
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e.preventDefault();
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isAddCalled.current = true;
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addLine(input, receipt, setReceipt);
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setInput("");
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return false;
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};
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const receiptJSONString = JSON.stringify(receiptJson);
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useEffect(() => {
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const updateDb = async () => {
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const response = await fetch("/api/updateReceipt", {
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method: "POST",
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body: JSON.stringify({ receipts: receiptJson }),
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});
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};
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if (isAddCalled.current) {
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updateDb();
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}
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}, [receiptJSONString, receiptJson]);
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return (
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<main>
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<h1>Items</h1>
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<Form onSubmit={add}>
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<ParsedInputDisplay input={input} />
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<Form.Control
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autoFocus={true}
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type="text"
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placeholder="Add item..."
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onInput={(e) => setInput(e.currentTarget.value)}
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value={input}
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style={{ padding: "8px 16px", fontSize: "1.5em" }}
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/>
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</Form>
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<div>
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Receipt Total:
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<span style={total < calculated.subtotal ? { color: "red" } : {}}>
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<NumberEditBox
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valueAtom={totalAtom}
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formatter={moneyFormatter.format}
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/>
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</span>
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</div>
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{receipt.map((itemAtom, i) => {
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return <ReceiptItem itemAtom={itemAtom} key={`receiptItem-${i}`} />;
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})}
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{calculated.totalMap.size > 0 && (
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<>
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<h3>Weighted Breakdown</h3>
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<div>
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<ul>
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{[...calculated.totalMap.entries()].map(([person, value], i) => (
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<li key={`breakdown-${i}`}>
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<b>{person}</b>: {formatter.format(value)}
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</li>
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))}
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</ul>
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</div>
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</>
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)}
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</main>
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);
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};
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export default Home;
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