1 files changed, 64 insertions, 0 deletions
diff --git a/src/api/routes/channels/#channel_id/purge.ts b/src/api/routes/channels/#channel_id/purge.ts
new file mode 100644
index 00000000..1ef6e1d7
--- /dev/null
+++ b/src/api/routes/channels/#channel_id/purge.ts
@@ -0,0 +1,64 @@
+import { HTTPError, PurgeSchema } from "@fosscord/util";
+import { route } from "@fosscord/api";
+import { isTextChannel } from "./messages";
+import { FindManyOptions, Between, Not } from "typeorm";
+import { Channel, Config, emitEvent, getPermission, getRights, Message, MessageDeleteBulkEvent } from "@fosscord/util";
+import { Router, Response, Request } from "express";
+import { In } from "typeorm";
+
+const router: Router = Router();
+
+export default router;
+
+/**
+TODO: apply the delete bit by bit to prevent client and database stress
+**/
+router.post("/",route({ /*body: "PurgeSchema",*/ }), async (req: Request, res: Response) => {
+		const { channel_id } = req.params;
+		const channel = await Channel.findOneOrFail({ where: { id: channel_id } });
+
+		if (!channel.guild_id) throw new HTTPError("Can't purge dm channels", 400);
+		isTextChannel(channel.type);
+
+		const rights = await getRights(req.user_id);
+		if (!rights.has("MANAGE_MESSAGES")) {
+			const permissions = await getPermission(req.user_id, channel.guild_id, channel_id);
+			permissions.hasThrow("MANAGE_MESSAGES");
+			permissions.hasThrow("MANAGE_CHANNELS");
+		}
+
+		const { before, after } = req.body as PurgeSchema;
+
+		// TODO: send the deletion event bite-by-bite to prevent client stress
+
+		let query: FindManyOptions<Message> & { where: { id?: any } } = {
+			order: { id: "ASC" },
+			// take: limit,
+			where: {
+				channel_id,
+				id: Between(after, before), // the right way around
+				author_id: rights.has("SELF_DELETE_MESSAGES") ? undefined : Not(req.user_id)
+				// if you lack the right of self-deletion, you can't delete your own messages, even in purges
+			},
+			relations: ["author", "webhook", "application", "mentions", "mention_roles", "mention_channels", "sticker_items", "attachments"]
+		};
+
+		const messages = await Message.find(query);
+		const endpoint = Config.get().cdn.endpointPublic;
+
+		if (messages.length == 0) {
+			res.sendStatus(304);
+			return;
+		}
+
+		await Message.delete({ id: In(messages) });
+
+		await emitEvent({
+			event: "MESSAGE_DELETE_BULK",
+			channel_id,
+			data: { ids: messages.map((x) => x.id), channel_id, guild_id: channel.guild_id }
+		} as MessageDeleteBulkEvent);
+
+		res.sendStatus(204);
+	}
+);