implement PATCH connection

src/api/routes/users/@me/connections/#connection_name/#connection_id/index.ts

@@ -0,0 +1,51 @@
+import { route } from "@fosscord/api";
+import { Request, Response, Router } from "express";
+import {
+	ConnectedAccount,
+	DiscordApiErrors,
+	OrmUtils,
+} from "../../../../../../../util";
+const router = Router();
+
+// TODO: connection update schema
+router.patch(
+	"/",
+	route({ body: "ConnectionUpdateSchema" }),
+	async (req: Request, res: Response) => {
+		const { connection_name, connection_id } = req.params;
+
+		const connection = await ConnectedAccount.findOne({
+			where: {
+				user_id: req.user_id,
+				external_id: connection_id,
+				type: connection_name,
+			},
+			select: [
+				"external_id",
+				"type",
+				"name",
+				"verified",
+				"visibility",
+				"show_activity",
+				"revoked",
+				"friend_sync",
+				"integrations",
+			],
+		});
+
+		if (!connection) return DiscordApiErrors.UNKNOWN_CONNECTION;
+		// TODO: do we need to do anything if the connection is revoked?
+		OrmUtils.mergeDeep(connection, req.body);
+		await ConnectedAccount.update(
+			{
+				user_id: req.user_id,
+				external_id: connection_id,
+				type: connection_name,
+			},
+			connection,
+		);
+		res.json(connection.toJSON());
+	},
+);
+
+export default router;