From a6e7bbc306a93bd56bb1941e29d6fc474c9c36d5 Mon Sep 17 00:00:00 2001
From: MeiMei <30769358+mei23@users.noreply.github.com>
Date: Thu, 31 Jan 2019 20:42:45 +0900
Subject: send/receive user hashtags via AP (#4064)

---
 src/remote/activitypub/models/note.ts   | 13 +------------
 src/remote/activitypub/models/person.ts |  8 +++++++-
 src/remote/activitypub/models/tag.ts    | 11 +++++++++++
 3 files changed, 19 insertions(+), 13 deletions(-)

(limited to 'src/remote/activitypub/models')

diff --git a/src/remote/activitypub/models/note.ts b/src/remote/activitypub/models/note.ts
index 0f2e515260..1b61435aa2 100644
--- a/src/remote/activitypub/models/note.ts
+++ b/src/remote/activitypub/models/note.ts
@@ -11,7 +11,7 @@ import { resolveImage } from './image';
 import { IRemoteUser, IUser } from '../../../models/user';
 import { fromHtml } from '../../../mfm/fromHtml';
 import Emoji, { IEmoji } from '../../../models/emoji';
-import { ITag } from './tag';
+import { ITag, extractHashtags } from './tag';
 import { toUnicode } from 'punycode';
 import { unique, concat, difference } from '../../../prelude/array';
 import { extractPollFromQuestion } from './question';
@@ -239,14 +239,3 @@ async function extractMentionedUsers(actor: IRemoteUser, to: string[], cc: strin
 
 	return users.filter(x => x != null);
 }
-
-function extractHashtags(tags: ITag[]) {
-	if (!tags) return [];
-
-	const hashtags = tags.filter(tag => tag.type === 'Hashtag' && typeof tag.name == 'string');
-
-	return hashtags.map(tag => {
-		const m = tag.name.match(/^#(.+)/);
-		return m ? m[1] : null;
-	}).filter(x => x != null);
-}
diff --git a/src/remote/activitypub/models/person.ts b/src/remote/activitypub/models/person.ts
index 54e57f7330..16f1086b86 100644
--- a/src/remote/activitypub/models/person.ts
+++ b/src/remote/activitypub/models/person.ts
@@ -17,7 +17,7 @@ import registerInstance from '../../../services/register-instance';
 import Instance from '../../../models/instance';
 import getDriveFileUrl from '../../../misc/get-drive-file-url';
 import { IEmoji } from '../../../models/emoji';
-import { ITag } from './tag';
+import { ITag, extractHashtags } from './tag';
 import Following from '../../../models/following';
 import { IIdentifier } from './identifier';
 
@@ -140,6 +140,8 @@ export async function createPerson(uri: string, resolver?: Resolver): Promise<IU
 
 	const { fields, services } = analyzeAttachments(person.attachment);
 
+	const tags = extractHashtags(person.tag);
+
 	const isBot = object.type == 'Service';
 
 	// Create user
@@ -171,6 +173,7 @@ export async function createPerson(uri: string, resolver?: Resolver): Promise<IU
 			url: person.url,
 			fields,
 			...services,
+			tags,
 			isBot,
 			isCat: (person as any).isCat === true
 		}) as IRemoteUser;
@@ -334,6 +337,8 @@ export async function updatePerson(uri: string, resolver?: Resolver, hint?: obje
 
 	const { fields, services } = analyzeAttachments(person.attachment);
 
+	const tags = extractHashtags(person.tag);
+
 	const updates = {
 		lastFetchedAt: new Date(),
 		inbox: person.inbox,
@@ -349,6 +354,7 @@ export async function updatePerson(uri: string, resolver?: Resolver, hint?: obje
 		endpoints: person.endpoints,
 		fields,
 		...services,
+		tags,
 		isBot: object.type == 'Service',
 		isCat: (person as any).isCat === true,
 		isLocked: person.manuallyApprovesFollowers,
diff --git a/src/remote/activitypub/models/tag.ts b/src/remote/activitypub/models/tag.ts
index b64d6bd4a7..0a1e6e29f9 100644
--- a/src/remote/activitypub/models/tag.ts
+++ b/src/remote/activitypub/models/tag.ts
@@ -13,3 +13,14 @@ export type ITag = {
 	icon?: IIcon;
 	identifier?: IIdentifier;
 };
+
+export function extractHashtags(tags: ITag[]) {
+	if (!tags) return [];
+
+	const hashtags = tags.filter(tag => tag.type === 'Hashtag' && typeof tag.name == 'string');
+
+	return hashtags.map(tag => {
+		const m = tag.name.match(/^#(.+)/);
+		return m ? m[1] : null;
+	}).filter(x => x != null);
+}
-- 
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