5 files changed, 149 insertions, 8 deletions
diff --git a/src/api/routes/guilds/#guild_id/roles/#role_id/member-ids.ts b/src/api/routes/guilds/#guild_id/roles/#role_id/member-ids.ts
new file mode 100644
index 00000000..b086193e
--- /dev/null
+++ b/src/api/routes/guilds/#guild_id/roles/#role_id/member-ids.ts
@@ -0,0 +1,42 @@
+/*
+	Spacebar: A FOSS re-implementation and extension of the Discord.com backend.
+	Copyright (C) 2023 Spacebar and Spacebar Contributors
+	
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Affero General Public License as published
+	by the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+	
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Affero General Public License for more details.
+	
+	You should have received a copy of the GNU Affero General Public License
+	along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+import { Router, Request, Response } from "express";
+import { Member } from "@spacebar/util";
+import { route } from "@spacebar/api";
+
+const router = Router();
+
+router.get("/", route({}), async (req: Request, res: Response) => {
+	const { guild_id, role_id } = req.params;
+
+	// TODO: Is this route really not paginated?
+	const members = await Member.find({
+		select: ["id"],
+		where: {
+			roles: {
+				id: role_id,
+			},
+			guild_id,
+		},
+	});
+
+	return res.json(members.map((x) => x.id));
+});
+
+export default router;
diff --git a/src/api/routes/guilds/#guild_id/roles/#role_id/members.ts b/src/api/routes/guilds/#guild_id/roles/#role_id/members.ts
new file mode 100644
index 00000000..705848aa
--- /dev/null
+++ b/src/api/routes/guilds/#guild_id/roles/#role_id/members.ts
@@ -0,0 +1,59 @@
+/*
+	Spacebar: A FOSS re-implementation and extension of the Discord.com backend.
+	Copyright (C) 2023 Spacebar and Spacebar Contributors
+	
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Affero General Public License as published
+	by the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+	
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Affero General Public License for more details.
+	
+	You should have received a copy of the GNU Affero General Public License
+	along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+import { Router, Request, Response } from "express";
+import { Member, partition } from "@spacebar/util";
+import { route } from "@spacebar/api";
+
+const router = Router();
+
+router.patch(
+	"/",
+	route({ permission: "MANAGE_ROLES" }),
+	async (req: Request, res: Response) => {
+		// Payload is JSON containing a list of member_ids, the new list of members to have the role
+		const { guild_id, role_id } = req.params;
+		const { member_ids } = req.body;
+
+		const members = await Member.find({
+			where: { guild_id },
+			relations: ["roles"],
+		});
+
+		const [add, remove] = partition(
+			members,
+			(member) =>
+				member_ids.includes(member.id) &&
+				!member.roles.map((role) => role.id).includes(role_id),
+		);
+
+		// TODO (erkin): have a bulk add/remove function that adds the roles in a single txn
+		await Promise.all([
+			...add.map((member) =>
+				Member.addRole(member.id, guild_id, role_id),
+			),
+			...remove.map((member) =>
+				Member.removeRole(member.id, guild_id, role_id),
+			),
+		]);
+
+		res.sendStatus(204);
+	},
+);
+
+export default router;
diff --git a/src/api/routes/guilds/#guild_id/roles/member-counts.ts b/src/api/routes/guilds/#guild_id/roles/member-counts.ts
new file mode 100644
index 00000000..88243b42
--- /dev/null
+++ b/src/api/routes/guilds/#guild_id/roles/member-counts.ts
@@ -0,0 +1,39 @@
+/*
+	Spacebar: A FOSS re-implementation and extension of the Discord.com backend.
+	Copyright (C) 2023 Spacebar and Spacebar Contributors
+	
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Affero General Public License as published
+	by the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+	
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Affero General Public License for more details.
+	
+	You should have received a copy of the GNU Affero General Public License
+	along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+import { Request, Response, Router } from "express";
+import { Role, Member } from "@spacebar/util";
+import { route } from "@spacebar/api";
+import {} from "typeorm";
+
+const router: Router = Router();
+
+router.get("/", route({}), async (req: Request, res: Response) => {
+	const { guild_id } = req.params;
+	await Member.IsInGuildOrFail(req.user_id, guild_id);
+
+	const role_ids = await Role.find({ where: { guild_id }, select: ["id"] });
+	const counts: { [id: string]: number } = {};
+	for (const { id } of role_ids) {
+		counts[id] = await Member.count({ where: { roles: { id }, guild_id } });
+	}
+
+	return res.json(counts);
+});
+
+export default router;
diff --git a/src/gateway/opcodes/LazyRequest.ts b/src/gateway/opcodes/LazyRequest.ts
index 3cc2b655..64e50d92 100644
--- a/src/gateway/opcodes/LazyRequest.ts
+++ b/src/gateway/opcodes/LazyRequest.ts
@@ -26,6 +26,7 @@ import {
 	LazyRequestSchema,
 	User,
 	Presence,
+	partition,
 } from "@spacebar/util";
 import {
 	WebSocket,
@@ -302,11 +303,3 @@ export async function onLazyRequest(this: WebSocket, { d }: Payload) {
 		},
 	});
 }
-
-/* https://stackoverflow.com/a/50636286 */
-function partition<T>(array: T[], filter: (elem: T) => boolean) {
-	const pass: T[] = [],
-		fail: T[] = [];
-	array.forEach((e) => (filter(e) ? pass : fail).push(e));
-	return [pass, fail];
-}
diff --git a/src/util/util/Array.ts b/src/util/util/Array.ts
index 8a141340..082ac307 100644
--- a/src/util/util/Array.ts
+++ b/src/util/util/Array.ts
@@ -21,3 +21,11 @@
 export function containsAll(arr: unknown[], target: unknown[]) {
 	return target.every((v) => arr.includes(v));
 }
+
+/* https://stackoverflow.com/a/50636286 */
+export function partition<T>(array: T[], filter: (elem: T) => boolean) {
+	const pass: T[] = [],
+		fail: T[] = [];
+	array.forEach((e) => (filter(e) ? pass : fail).push(e));
+	return [pass, fail];
+}