upd: change the way likes get handled

packages/backend/src/server/api/endpoints/notes/like.ts

@@ -0,0 +1,66 @@
+import { Injectable } from '@nestjs/common';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { GetterService } from '@/server/api/GetterService.js';
+import { ReactionService } from '@/core/ReactionService.js';
+import { MetaService } from '@/core/MetaService.js';
+import { ApiError } from '../../error.js';
+
+export const meta = {
+	tags: ['notes'],
+
+	requireCredential: true,
+
+	prohibitMoved: true,
+
+	kind: 'write:reactions',
+
+	errors: {
+		noSuchNote: {
+			message: 'No such note.',
+			code: 'NO_SUCH_NOTE',
+			id: '033d0620-5bfe-4027-965d-980b0c85a3ea',
+		},
+
+		youHaveBeenBlocked: {
+			message: 'You cannot like this note because you have been blocked by this user.',
+			code: 'YOU_HAVE_BEEN_BLOCKED',
+			id: '20ef5475-9f38-4e4c-bd33-de6d979498ec',
+		},
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+		override: { type: 'string', nullable: true },
+	},
+	required: ['noteId'],
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		private getterService: GetterService,
+		private reactionService: ReactionService,
+		private metaService: MetaService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			const instance = await this.metaService.fetch();
+			const like = ps.override ?? instance.defaultLike;
+			const note = await this.getterService.getNote(ps.noteId).catch(err => {
+				if (err.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
+				throw err;
+			});
+			await this.reactionService.create(me, note, like).catch(async err => {
+				if (err.id === '51c42bb4-931a-456b-bff7-e5a8a70dd298') {
+					await this.reactionService.delete(me, note);
+					return;
+				}
+				if (err.id === 'e70412a4-7197-4726-8e74-f3e0deb92aa7') throw new ApiError(meta.errors.youHaveBeenBlocked);
+				throw err;
+			});
+			return;
+		});
+	}
+}