웹 프론트 페이지 개발

- React + Vite 구성
 - lotto-frontend 구성
 - script 설정으로 nas server로 빌드 n 배포 수행
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2026-01-18 09:07:01 +09:00
parent eade32f58a
commit cb4978fe4a
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src/App.jsx Normal file
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// src/App.jsx
import React, { useEffect, useMemo, useState } from "react";
import { deleteHistory, getHistory, getLatest, recommend } from "./api";
function fmtKST(iso) {
// sqlite datetime('now') -> "YYYY-MM-DD HH:MM:SS" (UTC 로 저장될 수도)
// 그냥 표시용으로만 사용
return iso?.replace("T", " ") ?? "";
}
function Ball({ n }) {
// 범위별 톤만 다르게(색 직접 지정 안 하고, hue를 계산해도 되지만 여기선 단순)
const cls =
n <= 10 ? "ball ball-a" : n <= 20 ? "ball ball-b" : n <= 30 ? "ball ball-c" : n <= 40 ? "ball ball-d" : "ball ball-e";
return <span className={cls}>{n}</span>;
}
function NumberRow({ nums }) {
return (
<div className="row numbers">
{nums.map((n) => (
<Ball key={n} n={n} />
))}
</div>
);
}
export default function App() {
const [latest, setLatest] = useState(null);
const [params, setParams] = useState({
recent_window: 200,
recent_weight: 2.0,
avoid_recent_k: 5,
});
const presets = useMemo(
() => [
{ name: "기본", recent_window: 200, recent_weight: 2.0, avoid_recent_k: 5 },
{ name: "최근 가중↑", recent_window: 100, recent_weight: 3.0, avoid_recent_k: 10 },
{ name: "안전(분산)", recent_window: 300, recent_weight: 1.6, avoid_recent_k: 8 },
{ name: "공격(최근)", recent_window: 80, recent_weight: 3.5, avoid_recent_k: 12 },
],
[]
);
const [result, setResult] = useState(null);
const [history, setHistory] = useState([]);
const [loading, setLoading] = useState({ latest: false, recommend: false, history: false });
const [error, setError] = useState("");
const refreshLatest = async () => {
setLoading((s) => ({ ...s, latest: true }));
setError("");
try {
const data = await getLatest();
setLatest(data);
} catch (e) {
setError(e?.message ?? String(e));
} finally {
setLoading((s) => ({ ...s, latest: false }));
}
};
const refreshHistory = async () => {
setLoading((s) => ({ ...s, history: true }));
setError("");
try {
const data = await getHistory(30);
setHistory(data.items ?? []);
} catch (e) {
setError(e?.message ?? String(e));
} finally {
setLoading((s) => ({ ...s, history: false }));
}
};
const onRecommend = async () => {
setLoading((s) => ({ ...s, recommend: true }));
setError("");
try {
const data = await recommend(params);
setResult(data);
// 추천 생성 시 DB에 저장되므로 히스토리도 바로 갱신
await refreshHistory();
} catch (e) {
setError(e?.message ?? String(e));
} finally {
setLoading((s) => ({ ...s, recommend: false }));
}
};
const onDelete = async (id) => {
const ok = confirm(`히스토리 #${id} 삭제할까?`);
if (!ok) return;
setError("");
try {
await deleteHistory(id);
setHistory((prev) => prev.filter((x) => x.id !== id));
} catch (e) {
setError(e?.message ?? String(e));
}
};
const copyNumbers = async (nums) => {
const text = nums.join(", ");
try {
await navigator.clipboard.writeText(text);
alert(`복사됨: ${text}`);
} catch {
// fallback
prompt("복사해서 사용하세요:", text);
}
};
useEffect(() => {
// 첫 로드
refreshLatest();
refreshHistory();
}, []);
return (
<div className="page">
<header className="header">
<div>
<h1>로또 추천기</h1>
<p className="sub">
최신 회차 기준 추천 + 히스토리 저장/삭제
</p>
</div>
<div className="headerActions">
<button className="btn ghost" onClick={refreshLatest} disabled={loading.latest}>
최신 불러오기
</button>
<button className="btn ghost" onClick={refreshHistory} disabled={loading.history}>
히스토리 새로고침
</button>
</div>
</header>
{error ? (
<div className="card error">
<div className="row between">
<strong>에러</strong>
<button className="btn tiny" onClick={() => setError("")}>닫기</button>
</div>
<pre className="pre">{error}</pre>
</div>
) : null}
<div className="grid">
{/* LEFT */}
<section className="card">
<div className="row between">
<h2>최신 회차</h2>
{loading.latest ? <span className="pill">로딩...</span> : null}
</div>
{latest ? (
<>
<div className="row between">
<div className="meta">
<div><strong>{latest.drawNo}</strong></div>
<div className="muted">{latest.date}</div>
</div>
<button className="btn" onClick={() => copyNumbers(latest.numbers)}>
번호 복사
</button>
</div>
<NumberRow nums={latest.numbers} />
<div className="muted small">보너스: <strong>{latest.bonus}</strong></div>
</>
) : (
<div className="muted">최신 데이터 없음</div>
)}
</section>
{/* RIGHT */}
<section className="card">
<div className="row between">
<h2>추천 생성</h2>
{loading.recommend ? <span className="pill">계산중...</span> : null}
</div>
<div className="row wrap">
{presets.map((p) => (
<button
key={p.name}
className="btn ghost"
onClick={() => setParams({ recent_window: p.recent_window, recent_weight: p.recent_weight, avoid_recent_k: p.avoid_recent_k })}
>
{p.name}
</button>
))}
</div>
<div className="form">
<label>
recent_window <span className="muted">(최근 N회 가중)</span>
<input
type="number"
min={20}
max={1000}
value={params.recent_window}
onChange={(e) => setParams((s) => ({ ...s, recent_window: Number(e.target.value) }))}
/>
</label>
<label>
recent_weight <span className="muted">(최근 가중치)</span>
<input
type="number"
step="0.1"
min={0.5}
max={10}
value={params.recent_weight}
onChange={(e) => setParams((s) => ({ ...s, recent_weight: Number(e.target.value) }))}
/>
</label>
<label>
avoid_recent_k <span className="muted">(최근 K회 번호 회피)</span>
<input
type="number"
min={0}
max={50}
value={params.avoid_recent_k}
onChange={(e) => setParams((s) => ({ ...s, avoid_recent_k: Number(e.target.value) }))}
/>
</label>
<button className="btn primary" onClick={onRecommend} disabled={loading.recommend}>
추천 받기
</button>
</div>
{result ? (
<div className="result">
<div className="row between">
<div>
<div className="muted small">추천 ID: #{result.id}</div>
<div className="muted small">기준 회차: {result.based_on_latest_draw ?? "-"}</div>
</div>
<button className="btn" onClick={() => copyNumbers(result.numbers)}>
번호 복사
</button>
</div>
<NumberRow nums={result.numbers} />
<details className="details">
<summary>설명 보기</summary>
<pre className="pre">{JSON.stringify(result.explain, null, 2)}</pre>
</details>
</div>
) : (
<div className="muted">아직 추천 결과 없음</div>
)}
</section>
</div>
<section className="card">
<div className="row between">
<h2>히스토리</h2>
<div className="muted small">{history.length}</div>
</div>
{loading.history ? <div className="muted">불러오는 ...</div> : null}
{history.length === 0 ? (
<div className="muted">저장된 히스토리가 없습니다.</div>
) : (
<div className="table">
{history.map((h) => (
<div key={h.id} className="tr">
<div className="td">
<div className="muted small">#{h.id}</div>
<div className="muted small">{fmtKST(h.created_at)}</div>
<div className="muted small">기준: {h.based_on_draw ?? "-"}</div>
</div>
<div className="td grow">
<NumberRow nums={h.numbers} />
<div className="muted small">
window={h.params?.recent_window}, weight={h.params?.recent_weight}, avoid_k={h.params?.avoid_recent_k}
</div>
</div>
<div className="td actions">
<button className="btn" onClick={() => copyNumbers(h.numbers)}>복사</button>
<button className="btn danger" onClick={() => onDelete(h.id)}>삭제</button>
</div>
</div>
))}
</div>
)}
</section>
<footer className="footer muted small">
backend: FastAPI / nginx proxy / DB: sqlite
</footer>
</div>
);
}