refactoring

Resolve #7779

packages/backend/src/server/web/feed.ts

@@ -0,0 +1,58 @@
+import { Feed } from 'feed';
+import config from '@/config/index';
+import { User } from '@/models/entities/user';
+import { Notes, DriveFiles, UserProfiles } from '@/models/index';
+import { In } from 'typeorm';
+
+export default async function(user: User) {
+	const author = {
+		link: `${config.url}/@${user.username}`,
+		name: user.name || user.username
+	};
+
+	const profile = await UserProfiles.findOneOrFail(user.id);
+
+	const notes = await Notes.find({
+		where: {
+			userId: user.id,
+			renoteId: null,
+			visibility: In(['public', 'home'])
+		},
+		order: { createdAt: -1 },
+		take: 20
+	});
+
+	const feed = new Feed({
+		id: author.link,
+		title: `${author.name} (@${user.username}@${config.host})`,
+		updated: notes[0].createdAt,
+		generator: 'Misskey',
+		description: `${user.notesCount} Notes, ${profile.ffVisibility === 'public' ? user.followingCount : '?'} Following, ${profile.ffVisibility === 'public' ? user.followersCount : '?'} Followers${profile.description ? ` · ${profile.description}` : ''}`,
+		link: author.link,
+		image: user.avatarUrl ? user.avatarUrl : undefined,
+		feedLinks: {
+			json: `${author.link}.json`,
+			atom: `${author.link}.atom`,
+		},
+		author,
+		copyright: user.name || user.username
+	});
+
+	for (const note of notes) {
+		const files = note.fileIds.length > 0 ? await DriveFiles.find({
+			id: In(note.fileIds)
+		}) : [];
+		const file = files.find(file => file.type.startsWith('image/'));
+
+		feed.addItem({
+			title: `New note by ${author.name}`,
+			link: `${config.url}/notes/${note.id}`,
+			date: note.createdAt,
+			description: note.cw || undefined,
+			content: note.text || undefined,
+			image: file ? DriveFiles.getPublicUrl(file) || undefined : undefined
+		});
+	}
+
+	return feed;
+}