Publish pinned notes (#2731)

3 files changed, 51 insertions, 1 deletions

diff --git a/src/server/activitypub.ts b/src/server/activitypub.ts
index 3d346693d8..2cbce8cfbc 100644
--- a/src/server/activitypub.ts
+++ b/src/server/activitypub.ts
@@ -13,6 +13,7 @@ import renderPerson from '../remote/activitypub/renderer/person';
 import Outbox, { packActivity } from './activitypub/outbox';
 import Followers from './activitypub/followers';
 import Following from './activitypub/following';
+import Featured from './activitypub/featured';
 
 // Init router
 const router = new Router();
@@ -102,6 +103,9 @@ router.get('/users/:user/followers', Followers);
 // following
 router.get('/users/:user/following', Following);
 
+// featured
+router.get('/users/:user/collections/featured', Featured);
+
 // publickey
 router.get('/users/:user/publickey', async ctx => {
 	const userId = new mongo.ObjectID(ctx.params.user);
diff --git a/src/server/activitypub/featured.ts b/src/server/activitypub/featured.ts
new file mode 100644
index 0000000000..93c3700206
--- /dev/null
+++ b/src/server/activitypub/featured.ts
@@ -0,0 +1,38 @@
+import * as mongo from 'mongodb';
+import * as Router from 'koa-router';
+import config from '../../config';
+import User from '../../models/user';
+import pack from '../../remote/activitypub/renderer';
+import renderOrderedCollection from '../../remote/activitypub/renderer/ordered-collection';
+import { setResponseType } from '../activitypub';
+import Note from '../../models/note';
+import renderNote from '../../remote/activitypub/renderer/note';
+
+export default async (ctx: Router.IRouterContext) => {
+	const userId = new mongo.ObjectID(ctx.params.user);
+
+	// Verify user
+	const user = await User.findOne({
+		_id: userId,
+		host: null
+	});
+
+	if (user === null) {
+		ctx.status = 404;
+		return;
+	}
+
+	const pinnedNoteIds = user.pinnedNoteIds || [];
+
+	const pinnedNotes = await Promise.all(pinnedNoteIds.map(id => Note.findOne({ _id: id })));
+
+	const renderedNotes = await Promise.all(pinnedNotes.map(note => renderNote(note)));
+
+	const rendered = renderOrderedCollection(
+		`${config.url}/users/${userId}/collections/featured`,
+		renderedNotes.length, null, null, renderedNotes
+	);
+
+	ctx.body = pack(rendered);
+	setResponseType(ctx);
+};
diff --git a/src/server/api/endpoints/i/pin.ts b/src/server/api/endpoints/i/pin.ts
index 8804d5aa70..ce3b0318a9 100644
--- a/src/server/api/endpoints/i/pin.ts
+++ b/src/server/api/endpoints/i/pin.ts
@@ -2,6 +2,7 @@ import $ from 'cafy'; import ID from '../../../../misc/cafy-id';
 import User, { ILocalUser } from '../../../../models/user';
 import Note from '../../../../models/note';
 import { pack } from '../../../../models/user';
+import { deliverPinnedChange } from '../../../../services/i/pin';
 
 /**
  * Pin note
@@ -21,6 +22,9 @@ export default async (params: any, user: ILocalUser) => new Promise(async (res,
 		return rej('note not found');
 	}
 
+	let addedId;
+	let removedId;
+
 	const pinnedNoteIds = user.pinnedNoteIds || [];
 
 	if (pinnedNoteIds.some(id => id.equals(note._id))) {
@@ -28,9 +32,10 @@ export default async (params: any, user: ILocalUser) => new Promise(async (res,
 	}
 
 	pinnedNoteIds.unshift(note._id);
+	addedId = note._id;
 
 	if (pinnedNoteIds.length > 5) {
-		pinnedNoteIds.pop();
+		removedId = pinnedNoteIds.pop();
 	}
 
 	await User.update(user._id, {
@@ -44,6 +49,9 @@ export default async (params: any, user: ILocalUser) => new Promise(async (res,
 		detail: true
 	});
 
+	// Send Add/Remove to followers
+	deliverPinnedChange(user._id, removedId, addedId);
+
 	// Send response
 	res(iObj);
 });