add: Importing of Posts

- Supports Instagram, Mastodon/Pleroma/Akkoma, Twitter and *key

packages/backend/src/server/api/endpoints/i/import-notes.ts

@@ -0,0 +1,72 @@
+import { Inject, Injectable } from '@nestjs/common';
+import ms from 'ms';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { QueueService } from '@/core/QueueService.js';
+import type { DriveFilesRepository } from '@/models/_.js';
+import { DI } from '@/di-symbols.js';
+import { RoleService } from '@/core/RoleService.js';
+import { ApiError } from '../../error.js';
+
+export const meta = {
+	secure: true,
+	requireCredential: true,
+	prohibitMoved: true,
+	limit: {
+		duration: ms('1hour'),
+		max: 1,
+	},
+
+	errors: {
+		noSuchFile: {
+			message: 'No such file.',
+			code: 'NO_SUCH_FILE',
+			id: 'b98644cf-a5ac-4277-a502-0b8054a709a3',
+		},
+
+		emptyFile: {
+			message: 'That file is empty.',
+			code: 'EMPTY_FILE',
+			id: '31a1b42c-06f7-42ae-8a38-a661c5c9f691',
+		},
+
+		notPermitted: {
+			message: 'You are not allowed to import notes.',
+			code: 'NO_PERMISSION',
+			id: '31a1b42c-06f7-42ae-8a38-a661c5c9f692',
+		},
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		fileId: { type: 'string', format: 'misskey:id' },
+		type: { type: 'string', nullable: true },
+	},
+	required: ['fileId'],
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		@Inject(DI.driveFilesRepository)
+		private driveFilesRepository: DriveFilesRepository,
+
+		private queueService: QueueService,
+		private roleService: RoleService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			const file = await this.driveFilesRepository.findOneBy({ id: ps.fileId });
+
+			if (file == null) throw new ApiError(meta.errors.noSuchFile);
+			
+			if (file.size === 0) throw new ApiError(meta.errors.emptyFile);
+
+			if ((await this.roleService.getUserPolicies(me.id)).canImportNotes === false) {
+				throw new ApiError(meta.errors.notPermitted);
+			}
+
+			this.queueService.createImportNotesJob(me, file.id, ps.type);
+		});
+	}
+}