From 0747e24256780520ef9d3f8c7107d6bb64464e36 Mon Sep 17 00:00:00 2001
From: Laura Hausmann <laura@hausmann.dev>
Date: Thu, 28 Sep 2023 22:23:17 +0200
Subject: [PATCH] [mastodon-client] GET /blocks

---
 .../server/api/mastodon/endpoints/account.ts  | 21 ++++++++++-----
 .../src/server/api/mastodon/helpers/user.ts   | 27 +++++++++++++++++++
 2 files changed, 41 insertions(+), 7 deletions(-)

diff --git a/packages/backend/src/server/api/mastodon/endpoints/account.ts b/packages/backend/src/server/api/mastodon/endpoints/account.ts
index 505e4045c..e16f89261 100644
--- a/packages/backend/src/server/api/mastodon/endpoints/account.ts
+++ b/packages/backend/src/server/api/mastodon/endpoints/account.ts
@@ -479,14 +479,21 @@ export function apiAccountMastodon(router: Router): void {
 		}
 	});
 	router.get("/v1/blocks", async (ctx) => {
-		const BASE_URL = `${ctx.protocol}://${ctx.hostname}`;
-		const accessTokens = ctx.headers.authorization;
-		const client = getClient(BASE_URL, accessTokens);
 		try {
-			const data = await client.getBlocks(
-				convertTimelinesArgsId(limitToInt(ctx.query as any)),
-			);
-			ctx.body = data.data.map((account) => convertAccount(account));
+			const auth = await authenticate(ctx.headers.authorization, null);
+			const user = auth[0] ?? null;
+
+			if (!user) {
+				ctx.status = 401;
+				return;
+			}
+
+			const cache = UserHelpers.getFreshAccountCache();
+			const args = normalizeUrlQuery(convertTimelinesArgsId(limitToInt(ctx.query as any)));
+			const res = await UserHelpers.getUserBlocks(user, args.max_id, args.since_id, args.min_id, args.limit);
+			const blocks = await UserConverter.encodeMany(res.data, cache);
+			ctx.body = blocks.map(b => convertAccount(b));
+			PaginationHelpers.appendLinkPaginationHeader(args, ctx, res);
 		} catch (e: any) {
 			console.error(e);
 			console.error(e.response.data);
diff --git a/packages/backend/src/server/api/mastodon/helpers/user.ts b/packages/backend/src/server/api/mastodon/helpers/user.ts
index 4035e725a..0e2d9f98a 100644
--- a/packages/backend/src/server/api/mastodon/helpers/user.ts
+++ b/packages/backend/src/server/api/mastodon/helpers/user.ts
@@ -156,6 +156,33 @@ export class UserHelpers {
 		});
 	}
 
+	public static async getUserBlocks(user: ILocalUser, maxId: string | undefined, sinceId: string | undefined, minId: string | undefined, limit: number = 40): Promise<LinkPaginationObject<User[]>> {
+		if (limit > 80) limit = 80;
+
+		const query = PaginationHelpers.makePaginationQuery(
+			Blockings.createQueryBuilder("blocking"),
+			sinceId,
+			maxId,
+			minId
+		);
+
+		query.andWhere("blocking.blockerId = :userId", {userId: user.id})
+			.innerJoinAndSelect("blocking.blockee", "blockee");
+
+		return query.take(limit).getMany().then(async p => {
+			if (minId !== undefined) p = p.reverse();
+			const users = p
+				.map(p =>  p.blockee)
+				.filter(p => p) as User[];
+
+			return {
+				data: users,
+				maxId: p.map(p => p.id).at(-1),
+				minId: p.map(p => p.id)[0],
+			};
+		});
+	}
+
 	public static async getUserStatuses(user: User, localUser: ILocalUser | null, maxId: string | undefined, sinceId: string | undefined, minId: string | undefined, limit: number = 20, onlyMedia: boolean = false, excludeReplies: boolean = false, excludeReblogs: boolean = false, pinned: boolean = false, tagged: string | undefined): Promise<Note[]> {
 		if (limit > 40) limit = 40;