feat(api): create subscription management endpoint

server/api/user/me/subscriptions.put.ts

@@ -0,0 +1,43 @@
+import { SubPayload } from "~/lib/client/types/form/favSub";
+import isLoggedIn from "~/lib/server/middlewareButNotReally/isLoggedIn";
+import { User } from "~/models/user";
+
+export default eventHandler(async (ev) => {
+	isLoggedIn(ev);
+	// note: debounced batched update
+	const body = await readBody<SubPayload>(ev);
+	await User.findByIdAndUpdate(ev.context.currentUser!._id, {
+		$pull: {
+			"subscriptions.authors": {
+				$in: body.pull.authors,
+			},
+			"subscriptions.bands": {
+				$in: body.pull.bands,
+			},
+			"subscriptions.stories": {
+				$in: body.pull.stories,
+			},
+		},
+	});
+	const nu = await User.findByIdAndUpdate(
+		ev.context.currentUser!._id,
+		{
+			$addToSet: {
+				"subscriptions.authors": {
+					$each: body.pull.authors,
+				},
+				"subscriptions.bands": {
+					$each: body.pull.bands,
+				},
+				"subscriptions.stories": {
+					$each: body.pull.stories,
+				},
+			},
+		},
+		{ new: true },
+	);
+	return {
+		success: true,
+		data: nu?.subscriptions,
+	};
+});