Implement like

5 files changed, 31 insertions, 55 deletions

diff --git a/src/remote/activitypub/act/index.ts b/src/remote/activitypub/act/index.ts
index 5fcdb61748..45d7bd16a9 100644
--- a/src/remote/activitypub/act/index.ts
+++ b/src/remote/activitypub/act/index.ts
@@ -1,9 +1,10 @@
+import { Object } from '../type';
+import { IRemoteUser } from '../../../models/user';
 import create from './create';
 import performDeleteActivity from './delete';
 import follow from './follow';
 import undo from './undo';
-import { Object } from '../type';
-import { IRemoteUser } from '../../../models/user';
+import like from './like';
 
 const self = async (actor: IRemoteUser, activity: Object): Promise<void> => {
 	switch (activity.type) {
@@ -23,6 +24,10 @@ const self = async (actor: IRemoteUser, activity: Object): Promise<void> => {
 		// noop
 		break;
 
+	case 'Like':
+		await like(actor, activity);
+		break;
+
 	case 'Undo':
 		await undo(actor, activity);
 		break;
@@ -33,7 +38,7 @@ const self = async (actor: IRemoteUser, activity: Object): Promise<void> => {
 		break;
 
 	default:
-		console.warn(`unknown activity type: ${activity.type}`);
+		console.warn(`unknown activity type: ${(activity as any).type}`);
 		return null;
 	}
 };
diff --git a/src/remote/activitypub/act/like.ts b/src/remote/activitypub/act/like.ts
index ea53242017..2f5e3f807d 100644
--- a/src/remote/activitypub/act/like.ts
+++ b/src/remote/activitypub/act/like.ts
@@ -1,10 +1,10 @@
-import { MongoError } from 'mongodb';
-import Reaction, { IPostReaction } from '../../../models/post-reaction';
 import Post from '../../../models/post';
-import queue from '../../../queue';
+import { IRemoteUser } from '../../../models/user';
+import { ILike } from '../type';
+import create from '../../../services/post/reaction/create';
 
-export default async (resolver, actor, activity, distribute) => {
-	const id = activity.object.id || activity.object;
+export default async (actor: IRemoteUser, activity: ILike) => {
+	const id = typeof activity.object == 'string' ? activity.object : activity.object.id;
 
 	// Transform:
 	// https://misskey.ex/@syuilo/xxxx to
@@ -16,48 +16,5 @@ export default async (resolver, actor, activity, distribute) => {
 		throw new Error();
 	}
 
-	if (!distribute) {
-		const { _id } = await Reaction.findOne({
-			userId: actor._id,
-			postId: post._id
-		});
-
-		return {
-			resolver,
-			object: { $ref: 'postPeactions', $id: _id }
-		};
-	}
-
-	const promisedReaction = Reaction.insert({
-		createdAt: new Date(),
-		userId: actor._id,
-		postId: post._id,
-		reaction: 'pudding'
-	}).then(reaction => new Promise<IPostReaction>((resolve, reject) => {
-		queue.create('http', {
-			type: 'reaction',
-			reactionId: reaction._id
-		}).save(error => {
-			if (error) {
-				reject(error);
-			} else {
-				resolve(reaction);
-			}
-		});
-	}), async error => {
-		// duplicate key error
-		if (error instanceof MongoError && error.code === 11000) {
-			return Reaction.findOne({
-				userId: actor._id,
-				postId: post._id
-			});
-		}
-
-		throw error;
-	});
-
-	return promisedReaction.then(({ _id }) => ({
-		resolver,
-		object: { $ref: 'postPeactions', $id: _id }
-	}));
+	await create(actor, post, 'pudding');
 };
diff --git a/src/remote/activitypub/renderer/like.ts b/src/remote/activitypub/renderer/like.ts
new file mode 100644
index 0000000000..903b10789e
--- /dev/null
+++ b/src/remote/activitypub/renderer/like.ts
@@ -0,0 +1,9 @@
+import config from '../../../config';
+
+export default (user, post) => {
+	return {
+		type: 'Like',
+		actor: `${config.url}/@${user.username}`,
+		object: post.uri ? post.uri : `${config.url}/posts/${post._id}`
+	};
+};
diff --git a/src/remote/activitypub/renderer/note.ts b/src/remote/activitypub/renderer/note.ts
index b971a53951..bbab63db36 100644
--- a/src/remote/activitypub/renderer/note.ts
+++ b/src/remote/activitypub/renderer/note.ts
@@ -23,7 +23,7 @@ export default async (user: IUser, post: IPost) => {
 			});
 
 			if (inReplyToUser !== null) {
-				inReplyTo = inReplyToPost.uri || `${config.url}/@${inReplyToUser.username}/${inReplyToPost._id}`;
+				inReplyTo = inReplyToPost.uri || `${config.url}/posts/${inReplyToPost._id}`;
 			}
 		}
 	} else {
@@ -33,7 +33,7 @@ export default async (user: IUser, post: IPost) => {
 	const attributedTo = `${config.url}/@${user.username}`;
 
 	return {
-		id: `${attributedTo}/${post._id}`,
+		id: `${config.url}/posts/${post._id}`,
 		type: 'Note',
 		attributedTo,
 		content: post.textHtml,
diff --git a/src/remote/activitypub/type.ts b/src/remote/activitypub/type.ts
index c07b806be8..450d5906d8 100644
--- a/src/remote/activitypub/type.ts
+++ b/src/remote/activitypub/type.ts
@@ -55,6 +55,10 @@ export interface IAccept extends IActivity {
 	type: 'Accept';
 }
 
+export interface ILike extends IActivity {
+	type: 'Like';
+}
+
 export type Object =
 	ICollection |
 	IOrderedCollection |
@@ -62,4 +66,5 @@ export type Object =
 	IDelete |
 	IUndo |
 	IFollow |
-	IAccept;
+	IAccept |
+	ILike;