リモートのピン留め投稿取得対応 (#2798)

* Fetch featured

* Handle featured change

* Fix typo

src/remote/activitypub/kernel/add/index.ts

@@ -0,0 +1,22 @@
+import { IRemoteUser } from '../../../../models/user';
+import { IAdd } from '../../type';
+import { resolveNote } from '../../models/note';
+import { addPinned } from '../../../../services/i/pin';
+
+export default async (actor: IRemoteUser, activity: IAdd): Promise<void> => {
+	if ('actor' in activity && actor.uri !== activity.actor) {
+		throw new Error('invalid actor');
+	}
+
+	if (activity.target == null) {
+		throw new Error('target is null');
+	}
+
+	if (activity.target === actor.featured) {
+		const note = await resolveNote(activity.object);
+		await addPinned(actor, note._id);
+		return;
+	}
+
+	throw new Error(`unknown target: ${activity.target}`);
+};

src/remote/activitypub/kernel/index.ts

@@ -8,6 +8,8 @@ import like from './like';
 import announce from './announce';
 import accept from './accept';
 import reject from './reject';
+import add from './add';
+import remove from './remove';
 
 const self = async (actor: IRemoteUser, activity: Object): Promise<void> => {
 	switch (activity.type) {
@@ -31,6 +33,14 @@ const self = async (actor: IRemoteUser, activity: Object): Promise<void> => {
 		await reject(actor, activity);
 		break;
 
+	case 'Add':
+		await add(actor, activity).catch(err => console.log(err));
+		break;
+
+	case 'Remove':
+		await remove(actor, activity).catch(err => console.log(err));
+		break;
+
 	case 'Announce':
 		await announce(actor, activity);
 		break;

src/remote/activitypub/kernel/remove/index.ts

@@ -0,0 +1,22 @@
+import { IRemoteUser } from '../../../../models/user';
+import { IRemove } from '../../type';
+import { resolveNote } from '../../models/note';
+import { removePinned } from '../../../../services/i/pin';
+
+export default async (actor: IRemoteUser, activity: IRemove): Promise<void> => {
+	if ('actor' in activity && actor.uri !== activity.actor) {
+		throw new Error('invalid actor');
+	}
+
+	if (activity.target == null) {
+		throw new Error('target is null');
+	}
+
+	if (activity.target === actor.featured) {
+		const note = await resolveNote(activity.object);
+		await removePinned(actor, note._id);
+		return;
+	}
+
+	throw new Error(`unknown target: ${activity.target}`);
+};