Merge feature/scoreboard-freeze

web/prisma/schema.prisma

@@ -101,4 +101,5 @@ model Contest {
   activeTeams ActiveTeam[]
   submissions Submission[]
   startTime   DateTime?
+  freezeTime  DateTime?
 }

web/src/routes/admin/contests/[contestId]/+page.server.ts

@@ -109,5 +109,31 @@ export const actions = {
 		}
 		await createRepos(contestId);
 		return { success: true };
+	},
+	'freeze-time': async ({ params, request }) => {
+		if (!params.contestId) {
+			return { success: false, message: 'No contest Id specified' };
+		}
+		const contestId = parseInt(params.contestId);
+		if (isNaN(contestId)) {
+			return { success: false, message: 'Invalid contest Id' };
+		}
+		const form = await request.formData();
+		const formFreezeTime = form.get('freezeTime');
+		if (formFreezeTime === null) {
+			return { success: false, message: 'Invalid input' };
+		}
+		const freezeTime = new Date(formFreezeTime.toString());
+		const contest = await db.contest.findUnique({ where: { id: contestId } });
+		if (contest === null) {
+			return { success: false, message: 'Invalid contest' };
+		}
+		try {
+			await db.contest.update({ where: { id: contestId }, data: { freezeTime } });
+		} catch (e) {
+			console.error(`Database error: ${e}`);
+			return { success: false, message: `Database error: ${e}` };
+		}
+		return { success: true };
 	}
 } satisfies Actions;

web/src/routes/admin/contests/[contestId]/+page.svelte

@@ -3,11 +3,18 @@
 	import { page } from '$app/stores';
 	import ConfirmModal from '$lib/ConfirmModal.svelte';
 	import FormAlert from '$lib/FormAlert.svelte';
-	import type { PageData } from './$types';
+	import Modal from '$lib/Modal.svelte';
+	import type { Actions, PageData } from './$types';
 
 	export let data: PageData;
+	export let form: Actions;
+
+	$: if (form) {
+		freezeModal.hide();
+	}
 
 	let confirmModal: ConfirmModal;
+	let freezeModal: Modal;
 
 	function enhanceConfirm(form: HTMLFormElement, text: string) {
 		enhance(form, async ({ cancel }) => {
@@ -19,6 +26,12 @@
 			};
 		});
 	}
+
+	let freezeTimeInputLocal: string | undefined;
+	let freezeTimeInput: string | null = null;
+	$: if (freezeTimeInputLocal !== undefined) {
+		freezeTimeInput = new Date(freezeTimeInputLocal).toISOString();
+	}
 </script>
 
 <svelte:head>
@@ -27,6 +40,31 @@
 
 <ConfirmModal bind:this={confirmModal} />
 
+<Modal title="Freeze Time" bind:this={freezeModal}>
+	<form action="?/freeze-time" method="POST" use:enhance>
+		<div class="modal-body">
+			<label class="form-label" for="freezeTimeInput">Freeze At</label>
+			<input
+				bind:value={freezeTimeInputLocal}
+				id="freezeTimeInput"
+				class="form-control"
+				type="datetime-local"
+			/>
+			<input type="hidden" name="freezeTime" value={freezeTimeInput} />
+		</div>
+		<div class="modal-footer">
+			<button
+				type="button"
+				class="btn btn-outline-secondary"
+				on:click={() => {
+					freezeModal.hide();
+				}}>Cancel</button
+			>
+			<button type="submit" class="btn btn-success">Set</button>
+		</div>
+	</form>
+</Modal>
+
 <h1 style="text-align:center" class="mb-4"><i class="bi bi-flag"></i> Contest - {data.name}</h1>
 
 <FormAlert />
@@ -40,6 +78,13 @@
 		<a href="/admin/contests" class="btn btn-outline-primary">All Contests</a>
 	</div>
 	<div class="col-6 text-end">
+		<button
+			type="button"
+			class="btn btn-outline-info"
+			on:click={() => {
+				freezeModal.show();
+			}}>Set Freeze Time</button
+		>
 		{#if data.activeTeams === 0}
 			<form
 				method="POST"

web/src/routes/public/scoreboard/[contestId]/+page.server.ts

@@ -8,9 +8,24 @@ export const load = (async ({ params }) => {
 		throw redirect(302, '/public/scoreboard');
 	}
 	const timestamp = new Date();
+	const contestQuery = await db.contest.findUnique({ where: { id: contestId } });
+	if (contestQuery === null) {
+		throw redirect(302, '/public/scoreboard');
+	}
+
 	const contest = await db.contest.findUnique({
 		where: { id: contestId },
-		include: { problems: true, teams: { include: { submissions: true } } }
+		include: {
+			problems: true,
+			teams: {
+				include: {
+					submissions:
+						contestQuery.freezeTime === null
+							? true
+							: { where: { createdAt: { lt: contestQuery.freezeTime } } }
+				}
+			}
+		}
 	});
 	if (contest === null) {
 		throw redirect(302, '/public/scoreboard');