snapshot of https://github.com/RocketChat/Rocket.Chat.git (develop, 2026-09-16; blobs > 131072B omitted)

apps/meteor/server/lib/rooms/retention/cronPruneMessages.ts

@@ -0,0 +1,133 @@
+import type { IRoomWithRetentionPolicy } from '@rocket.chat/core-typings';
+import { cronJobs } from '@rocket.chat/cron';
+import { Rooms } from '@rocket.chat/models';
+
+import { getCronAdvancedTimerFromPrecisionSetting } from '../../../../lib/getCronAdvancedTimerFromPrecisionSetting';
+import { settings } from '../../../settings';
+import { cleanRoomHistory } from '../cleanRoomHistory';
+
+type RetentionRoomTypes = 'c' | 'p' | 'd';
+
+const getMaxAgeSettingIdByRoomType = (type: RetentionRoomTypes) => {
+	switch (type) {
+		case 'c':
+			return settings.get<number>('RetentionPolicy_TTL_Channels');
+		case 'p':
+			return settings.get<number>('RetentionPolicy_TTL_Groups');
+		case 'd':
+			return settings.get<number>('RetentionPolicy_TTL_DMs');
+	}
+};
+
+let types: RetentionRoomTypes[] = [];
+
+const oldest = new Date('0001-01-01T00:00:00Z');
+
+const toDays = (d: number): number => d * 1000 * 60 * 60 * 24;
+
+async function job(): Promise<void> {
+	const now = new Date();
+	const filesOnly = settings.get<boolean>('RetentionPolicy_FilesOnly');
+	const excludePinned = settings.get<boolean>('RetentionPolicy_DoNotPrunePinned');
+	const ignoreDiscussion = settings.get<boolean>('RetentionPolicy_DoNotPruneDiscussion');
+	const ignoreThreads = settings.get<boolean>('RetentionPolicy_DoNotPruneThreads');
+
+	const ignoreDiscussionQuery = ignoreDiscussion ? { prid: { $exists: false } } : {};
+
+	// get all rooms with default values
+	for (const type of types) {
+		const maxAge = getMaxAgeSettingIdByRoomType(type) || 0;
+		const latest = new Date(now.getTime() - maxAge);
+
+		const rooms = await Rooms.find(
+			{
+				't': type,
+				'$or': [{ 'retention.enabled': { $eq: true } }, { 'retention.enabled': { $exists: false } }],
+				'retention.overrideGlobal': { $ne: true },
+				...ignoreDiscussionQuery,
+			},
+			{ projection: { _id: 1 } },
+		).toArray();
+
+		for await (const { _id: rid } of rooms) {
+			await cleanRoomHistory({
+				rid,
+				latest,
+				oldest,
+				filesOnly,
+				excludePinned,
+				ignoreDiscussion,
+				ignoreThreads,
+			});
+		}
+	}
+
+	const rooms = await Rooms.find<IRoomWithRetentionPolicy>(
+		{
+			'retention.enabled': { $eq: true },
+			'retention.overrideGlobal': { $eq: true },
+			'retention.maxAge': { $gte: 0 },
+			...ignoreDiscussionQuery,
+		},
+		{ projection: { _id: 1, retention: 1 } },
+	).toArray();
+
+	for await (const { _id: rid, retention } of rooms) {
+		const { maxAge = 30, filesOnly, excludePinned, ignoreThreads } = retention;
+		const latest = new Date(now.getTime() - toDays(maxAge));
+		await cleanRoomHistory({
+			rid,
+			latest,
+			oldest,
+			filesOnly,
+			excludePinned,
+			ignoreDiscussion,
+			ignoreThreads,
+		});
+	}
+}
+
+const pruneCronName = 'Prune old messages by retention policy';
+
+async function deployCron(precision: string): Promise<void> {
+	if (await cronJobs.has(pruneCronName)) {
+		await cronJobs.remove(pruneCronName);
+	}
+	await cronJobs.add(pruneCronName, precision, async () => job());
+}
+
+settings.watchMultiple(
+	[
+		'RetentionPolicy_Enabled',
+		'RetentionPolicy_AppliesToChannels',
+		'RetentionPolicy_AppliesToGroups',
+		'RetentionPolicy_AppliesToDMs',
+		'RetentionPolicy_Advanced_Precision',
+		'RetentionPolicy_Advanced_Precision_Cron',
+		'RetentionPolicy_Precision',
+	],
+	async function reloadPolicy() {
+		types = [];
+
+		if (!settings.get('RetentionPolicy_Enabled')) {
+			return cronJobs.remove(pruneCronName);
+		}
+		if (settings.get('RetentionPolicy_AppliesToChannels')) {
+			types.push('c');
+		}
+
+		if (settings.get('RetentionPolicy_AppliesToGroups')) {
+			types.push('p');
+		}
+
+		if (settings.get('RetentionPolicy_AppliesToDMs')) {
+			types.push('d');
+		}
+
+		const precision =
+			(settings.get<boolean>('RetentionPolicy_Advanced_Precision') && settings.get<string>('RetentionPolicy_Advanced_Precision_Cron')) ||
+			getCronAdvancedTimerFromPrecisionSetting(settings.get('RetentionPolicy_Precision'));
+
+		return deployCron(precision);
+	},
+);

apps/meteor/server/lib/rooms/retention/index.ts

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+import './cronPruneMessages';