refactoring

Resolve #7779

packages/backend/src/queue/processors/db/import-blocking.ts

@@ -0,0 +1,74 @@
+import * as Bull from 'bull';
+
+import { queueLogger } from '../../logger';
+import * as Acct from 'misskey-js/built/acct';
+import { resolveUser } from '@/remote/resolve-user';
+import { downloadTextFile } from '@/misc/download-text-file';
+import { isSelfHost, toPuny } from '@/misc/convert-host';
+import { Users, DriveFiles, Blockings } from '@/models/index';
+import { DbUserImportJobData } from '@/queue/types';
+import block from '@/services/blocking/create';
+
+const logger = queueLogger.createSubLogger('import-blocking');
+
+export async function importBlocking(job: Bull.Job<DbUserImportJobData>, done: any): Promise<void> {
+	logger.info(`Importing blocking of ${job.data.user.id} ...`);
+
+	const user = await Users.findOne(job.data.user.id);
+	if (user == null) {
+		done();
+		return;
+	}
+
+	const file = await DriveFiles.findOne({
+		id: job.data.fileId
+	});
+	if (file == null) {
+		done();
+		return;
+	}
+
+	const csv = await downloadTextFile(file.url);
+
+	let linenum = 0;
+
+	for (const line of csv.trim().split('\n')) {
+		linenum++;
+
+		try {
+			const acct = line.split(',')[0].trim();
+			const { username, host } = Acct.parse(acct);
+
+			let target = isSelfHost(host!) ? await Users.findOne({
+				host: null,
+				usernameLower: username.toLowerCase()
+			}) : await Users.findOne({
+				host: toPuny(host!),
+				usernameLower: username.toLowerCase()
+			});
+
+			if (host == null && target == null) continue;
+
+			if (target == null) {
+				target = await resolveUser(username, host);
+			}
+
+			if (target == null) {
+				throw `cannot resolve user: @${username}@${host}`;
+			}
+
+			// skip myself
+			if (target.id === job.data.user.id) continue;
+
+			logger.info(`Block[${linenum}] ${target.id} ...`);
+
+			await block(user, target);
+		} catch (e) {
+			logger.warn(`Error in line:${linenum} ${e}`);
+		}
+	}
+
+	logger.succ('Imported');
+	done();
+}
+