Extract http request from post delivery job

src/post/distribute.ts

@@ -1,8 +1,11 @@
+import Channel from '../models/channel';
+import ChannelWatching from '../models/channel-watching';
+import Following from '../models/following';
 import Mute from '../models/mute';
 import Post, { pack } from '../models/post';
 import Watching from '../models/post-watching';
-import User from '../models/user';
-import stream from '../publishers/stream';
+import User, { isLocalUser } from '../models/user';
+import stream, { publishChannelStream } from '../publishers/stream';
 import notify from '../publishers/notify';
 import pushSw from '../publishers/push-sw';
 import queue from '../queue';
@@ -21,10 +24,6 @@ export default async (user, mentions, post) => {
 				latestPost: post._id
 			}
 		}),
-		new Promise((resolve, reject) => queue.create('http', {
-			type: 'deliverPost',
-			id: post._id,
-		}).save(error => error ? reject(error) : resolve())),
 	] as Array<Promise<any>>;
 
 	function addMention(promisedMentionee, reason) {
@@ -50,6 +49,91 @@ export default async (user, mentions, post) => {
 		}));
 	}
 
+	// タイムラインへの投稿
+	if (!post.channelId) {
+		promises.push(
+			// Publish event to myself's stream
+			promisedPostObj.then(postObj => {
+				stream(post.userId, 'post', postObj);
+			}),
+
+			Promise.all([
+				User.findOne({ _id: post.userId }),
+
+				// Fetch all followers
+				Following.aggregate([{
+					$lookup: {
+						from: 'users',
+						localField: 'followerId',
+						foreignField: '_id',
+						as: 'follower'
+					}
+				}, {
+					$match: {
+						followeeId: post.userId
+					}
+				}], {
+					_id: false
+				})
+			]).then(([user, followers]) => Promise.all(followers.map(following => {
+				if (isLocalUser(following.follower)) {
+					// Publish event to followers stream
+					return promisedPostObj.then(postObj => {
+						stream(following.followerId, 'post', postObj);
+					});
+				}
+
+				return new Promise((resolve, reject) => {
+					queue.create('http', {
+						type: 'deliverPost',
+						fromId: user._id,
+						toId: following.followerId,
+						postId: post._id
+					}).save(error => {
+						if (error) {
+							reject(error);
+						} else {
+							resolve();
+						}
+					});
+				});
+			})))
+		);
+	}
+
+	// チャンネルへの投稿
+	if (post.channelId) {
+		promises.push(
+			// Increment channel index(posts count)
+			Channel.update({ _id: post.channelId }, {
+				$inc: {
+					index: 1
+				}
+			}),
+
+			// Publish event to channel
+			promisedPostObj.then(postObj => {
+				publishChannelStream(post.channelId, 'post', postObj);
+			}),
+
+			Promise.all([
+				promisedPostObj,
+
+				// Get channel watchers
+				ChannelWatching.find({
+					channelId: post.channelId,
+					// 削除されたドキュメントは除く
+					deletedAt: { $exists: false }
+				})
+			]).then(([postObj, watches]) => {
+				// チャンネルの視聴者(のタイムライン)に配信
+				watches.forEach(w => {
+					stream(w.userId, 'post', postObj);
+				});
+			})
+		);
+	}
+
 	// If has in reply to post
 	if (post.replyId) {
 		promises.push(