refactoring

Resolve #7779

packages/backend/src/services/i/pin.ts

@@ -0,0 +1,92 @@
+import config from '@/config/index';
+import renderAdd from '@/remote/activitypub/renderer/add';
+import renderRemove from '@/remote/activitypub/renderer/remove';
+import { renderActivity } from '@/remote/activitypub/renderer/index';
+import { IdentifiableError } from '@/misc/identifiable-error';
+import { User } from '@/models/entities/user';
+import { Note } from '@/models/entities/note';
+import { Notes, UserNotePinings, Users } from '@/models/index';
+import { UserNotePining } from '@/models/entities/user-note-pining';
+import { genId } from '@/misc/gen-id';
+import { deliverToFollowers } from '@/remote/activitypub/deliver-manager';
+import { deliverToRelays } from '../relay';
+
+/**
+ * 指定した投稿をピン留めします
+ * @param user
+ * @param noteId
+ */
+export async function addPinned(user: { id: User['id']; host: User['host']; }, noteId: Note['id']) {
+	// Fetch pinee
+	const note = await Notes.findOne({
+		id: noteId,
+		userId: user.id
+	});
+
+	if (note == null) {
+		throw new IdentifiableError('70c4e51f-5bea-449c-a030-53bee3cce202', 'No such note.');
+	}
+
+	const pinings = await UserNotePinings.find({ userId: user.id });
+
+	if (pinings.length >= 5) {
+		throw new IdentifiableError('15a018eb-58e5-4da1-93be-330fcc5e4e1a', 'You can not pin notes any more.');
+	}
+
+	if (pinings.some(pining => pining.noteId === note.id)) {
+		throw new IdentifiableError('23f0cf4e-59a3-4276-a91d-61a5891c1514', 'That note has already been pinned.');
+	}
+
+	await UserNotePinings.insert({
+		id: genId(),
+		createdAt: new Date(),
+		userId: user.id,
+		noteId: note.id
+	} as UserNotePining);
+
+	// Deliver to remote followers
+	if (Users.isLocalUser(user)) {
+		deliverPinnedChange(user.id, note.id, true);
+	}
+}
+
+/**
+ * 指定した投稿のピン留めを解除します
+ * @param user
+ * @param noteId
+ */
+export async function removePinned(user: { id: User['id']; host: User['host']; }, noteId: Note['id']) {
+	// Fetch unpinee
+	const note = await Notes.findOne({
+		id: noteId,
+		userId: user.id
+	});
+
+	if (note == null) {
+		throw new IdentifiableError('b302d4cf-c050-400a-bbb3-be208681f40c', 'No such note.');
+	}
+
+	UserNotePinings.delete({
+		userId: user.id,
+		noteId: note.id
+	});
+
+	// Deliver to remote followers
+	if (Users.isLocalUser(user)) {
+		deliverPinnedChange(user.id, noteId, false);
+	}
+}
+
+export async function deliverPinnedChange(userId: User['id'], noteId: Note['id'], isAddition: boolean) {
+	const user = await Users.findOne(userId);
+	if (user == null) throw new Error('user not found');
+
+	if (!Users.isLocalUser(user)) return;
+
+	const target = `${config.url}/users/${user.id}/collections/featured`;
+	const item = `${config.url}/notes/${noteId}`;
+	const content = renderActivity(isAddition ? renderAdd(user, target, item) : renderRemove(user, target, item));
+
+	deliverToFollowers(user, content);
+	deliverToRelays(user, content);
+}

packages/backend/src/services/i/update.ts

@@ -0,0 +1,19 @@
+import renderUpdate from '@/remote/activitypub/renderer/update';
+import { renderActivity } from '@/remote/activitypub/renderer/index';
+import { Users } from '@/models/index';
+import { User } from '@/models/entities/user';
+import { renderPerson } from '@/remote/activitypub/renderer/person';
+import { deliverToFollowers } from '@/remote/activitypub/deliver-manager';
+import { deliverToRelays } from '../relay';
+
+export async function publishToFollowers(userId: User['id']) {
+	const user = await Users.findOne(userId);
+	if (user == null) throw new Error('user not found');
+
+	// フォロワーがリモートユーザーかつ投稿者がローカルユーザーならUpdateを配信
+	if (Users.isLocalUser(user)) {
+		const content = renderActivity(renderUpdate(await renderPerson(user), user));
+		deliverToFollowers(user, content);
+		deliverToRelays(user, content);
+	}
+}