From 7f29d334f26229753e68d20a5aaab33c39de9f06 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Sun, 1 Mar 2026 12:21:21 +0900
Subject: feat(frontend): show submission history on play screen

Replace the placeholder submission status section with a full submission
history table using the existing getGamePlaySubmissions API. Extract
shared DataTable, DataTableCell, and formatUnixTimestamp from
RankingTable into a reusable Gaming/DataTable component.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 frontend/app/components/Gaming/RankingTable.tsx | 81 +++++++------------------
 1 file changed, 21 insertions(+), 60 deletions(-)

(limited to 'frontend/app/components/Gaming/RankingTable.tsx')

diff --git a/frontend/app/components/Gaming/RankingTable.tsx b/frontend/app/components/Gaming/RankingTable.tsx
index 4bfdad3..4ba3987 100644
--- a/frontend/app/components/Gaming/RankingTable.tsx
+++ b/frontend/app/components/Gaming/RankingTable.tsx
@@ -1,34 +1,8 @@
 import { useAtomValue } from "jotai";
-import React from "react";
 import { rankingAtom } from "../../states/watch";
 import type { SupportedLanguage } from "../../types/SupportedLanguage";
 import CodePopover from "./CodePopover";
-
-function TableHeaderCell({ children }: { children: React.ReactNode }) {
-	return (
-		<th scope="col" className="px-6 py-3 text-left font-medium text-gray-800">
-			{children}
-		</th>
-	);
-}
-
-function TableBodyCell({ children }: { children: React.ReactNode }) {
-	return (
-		<td className="px-6 py-4 whitespace-nowrap text-gray-900">{children}</td>
-	);
-}
-
-function formatUnixTimestamp(timestamp: number) {
-	const date = new Date(timestamp * 1000);
-
-	const year = date.getFullYear();
-	const month = (date.getMonth() + 1).toString().padStart(2, "0");
-	const day = date.getDate().toString().padStart(2, "0");
-	const hours = date.getHours().toString().padStart(2, "0");
-	const minutes = date.getMinutes().toString().padStart(2, "0");
-
-	return `${year}-${month}-${day} ${hours}:${minutes}`;
-}
+import DataTable, { DataTableCell, formatUnixTimestamp } from "./DataTable";
 
 type Props = {
 	problemLanguage: SupportedLanguage;
@@ -38,38 +12,25 @@ export default function RankingTable({ problemLanguage }: Props) {
 	const ranking = useAtomValue(rankingAtom);
 
 	return (
-		<div className="overflow-x-auto border-2 border-brand-600 rounded-xl">
-			<table className="min-w-full divide-y divide-gray-400 border-collapse">
-				<thead className="bg-gray-50">
-					<tr>
-						<TableHeaderCell>順位</TableHeaderCell>
-						<TableHeaderCell>プレイヤー</TableHeaderCell>
-						<TableHeaderCell>スコア</TableHeaderCell>
-						<TableHeaderCell>提出時刻</TableHeaderCell>
-						<TableHeaderCell>コード</TableHeaderCell>
-					</tr>
-				</thead>
-				<tbody className="bg-white divide-y divide-gray-300">
-					{ranking.map((entry, index) => (
-						<tr key={entry.player.user_id}>
-							<TableBodyCell>{index + 1}</TableBodyCell>
-							<TableBodyCell>
-								{entry.player.display_name}
-								{entry.player.label && ` (${entry.player.label})`}
-							</TableBodyCell>
-							<TableBodyCell>{entry.score}</TableBodyCell>
-							<TableBodyCell>
-								{formatUnixTimestamp(entry.submitted_at)}
-							</TableBodyCell>
-							<TableBodyCell>
-								{entry.code && (
-									<CodePopover code={entry.code} language={problemLanguage} />
-								)}
-							</TableBodyCell>
-						</tr>
-					))}
-				</tbody>
-			</table>
-		</div>
+		<DataTable headers={["順位", "プレイヤー", "スコア", "提出時刻", "コード"]}>
+			{ranking.map((entry, index) => (
+				<tr key={entry.player.user_id}>
+					<DataTableCell>{index + 1}</DataTableCell>
+					<DataTableCell>
+						{entry.player.display_name}
+						{entry.player.label && ` (${entry.player.label})`}
+					</DataTableCell>
+					<DataTableCell>{entry.score}</DataTableCell>
+					<DataTableCell>
+						{formatUnixTimestamp(entry.submitted_at)}
+					</DataTableCell>
+					<DataTableCell>
+						{entry.code && (
+							<CodePopover code={entry.code} language={problemLanguage} />
+						)}
+					</DataTableCell>
+				</tr>
+			))}
+		</DataTable>
 	);
 }
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