346 lines
7.5 KiB
JavaScript
346 lines
7.5 KiB
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Module dependencies
|
||
|
|
*/
|
||
|
|
import * as mongo from 'mongodb';
|
||
|
|
import parse from '../../../common/text';
|
||
|
|
import Post from '../../models/post';
|
||
|
|
import User from '../../models/user';
|
||
|
|
import Following from '../../models/following';
|
||
|
|
import DriveFile from '../../models/drive-file';
|
||
|
|
import serialize from '../../serializers/post';
|
||
|
|
import createFile from '../../common/add-file-to-drive';
|
||
|
|
import notify from '../../common/notify';
|
||
|
|
import event from '../../event';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 最大文字数
|
||
|
|
*/
|
||
|
|
const maxTextLength = 300;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 添付できるファイルの数
|
||
|
|
*/
|
||
|
|
const maxMediaCount = 4;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create a post
|
||
|
|
*
|
||
|
|
* @param {Object} params
|
||
|
|
* @param {Object} user
|
||
|
|
* @param {Object} app
|
||
|
|
* @return {Promise<object>}
|
||
|
|
*/
|
||
|
|
module.exports = (params, user, app) =>
|
||
|
|
new Promise(async (res, rej) =>
|
||
|
|
{
|
||
|
|
// Get 'text' parameter
|
||
|
|
let text = params.text;
|
||
|
|
if (text !== undefined && text !== null) {
|
||
|
|
text = text.trim();
|
||
|
|
if (text.length == 0) {
|
||
|
|
text = null;
|
||
|
|
} else if (text.length > maxTextLength) {
|
||
|
|
return rej('too long text');
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
text = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get 'media_ids' parameter
|
||
|
|
let media = params.media_ids;
|
||
|
|
let files = [];
|
||
|
|
if (media !== undefined && media !== null) {
|
||
|
|
media = media.split(',');
|
||
|
|
|
||
|
|
if (media.length > maxMediaCount) {
|
||
|
|
return rej('too many media');
|
||
|
|
}
|
||
|
|
|
||
|
|
// Drop duplicates
|
||
|
|
media = media.filter((x, i, s) => s.indexOf(x) == i);
|
||
|
|
|
||
|
|
// Fetch files
|
||
|
|
// forEach だと途中でエラーなどがあっても return できないので
|
||
|
|
// 敢えて for を使っています。
|
||
|
|
for (let i = 0; i < media.length; i++) {
|
||
|
|
const image = media[i];
|
||
|
|
|
||
|
|
// Fetch file
|
||
|
|
// SELECT _id
|
||
|
|
const entity = await DriveFile.findOne({
|
||
|
|
_id: new mongo.ObjectID(image),
|
||
|
|
user_id: user._id
|
||
|
|
}, {
|
||
|
|
_id: true
|
||
|
|
});
|
||
|
|
|
||
|
|
if (entity === null) {
|
||
|
|
return rej('file not found');
|
||
|
|
} else {
|
||
|
|
files.push(entity);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
files = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get 'repost_id' parameter
|
||
|
|
let repost = params.repost_id;
|
||
|
|
if (repost !== undefined && repost !== null) {
|
||
|
|
// Fetch repost to post
|
||
|
|
repost = await Post.findOne({
|
||
|
|
_id: new mongo.ObjectID(repost)
|
||
|
|
});
|
||
|
|
|
||
|
|
if (repost == null) {
|
||
|
|
return rej('repostee is not found');
|
||
|
|
} else if (repost.repost_id && !repost.text && !repost.media_ids) {
|
||
|
|
return rej('cannot repost to repost');
|
||
|
|
}
|
||
|
|
|
||
|
|
// Fetch recently post
|
||
|
|
const latestPost = await Post.findOne({
|
||
|
|
user_id: user._id
|
||
|
|
}, {}, {
|
||
|
|
sort: {
|
||
|
|
_id: -1
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
// 直近と同じRepost対象かつ引用じゃなかったらエラー
|
||
|
|
if (latestPost &&
|
||
|
|
latestPost.repost_id &&
|
||
|
|
latestPost.repost_id.equals(repost._id) &&
|
||
|
|
text === null && files === null) {
|
||
|
|
return rej('二重Repostです(NEED TRANSLATE)');
|
||
|
|
}
|
||
|
|
|
||
|
|
// 直近がRepost対象かつ引用じゃなかったらエラー
|
||
|
|
if (latestPost &&
|
||
|
|
latestPost._id.equals(repost._id) &&
|
||
|
|
text === null && files === null) {
|
||
|
|
return rej('二重Repostです(NEED TRANSLATE)');
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
repost = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get 'reply_to_id' parameter
|
||
|
|
let replyTo = params.reply_to_id;
|
||
|
|
if (replyTo !== undefined && replyTo !== null) {
|
||
|
|
replyTo = await Post.findOne({
|
||
|
|
_id: new mongo.ObjectID(replyTo)
|
||
|
|
});
|
||
|
|
|
||
|
|
if (replyTo === null) {
|
||
|
|
return rej('reply to post is not found');
|
||
|
|
}
|
||
|
|
|
||
|
|
// 返信対象が引用でないRepostだったらエラー
|
||
|
|
if (replyTo.repost_id && !replyTo.text && !replyTo.media_ids) {
|
||
|
|
return rej('cannot reply to repost');
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
replyTo = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
// テキストが無いかつ添付ファイルが無いかつRepostも無かったらエラー
|
||
|
|
if (text === null && files === null && repost === null) {
|
||
|
|
return rej('text, media_ids or repost_id is required');
|
||
|
|
}
|
||
|
|
|
||
|
|
// 投稿を作成
|
||
|
|
const inserted = await Post.insert({
|
||
|
|
created_at: new Date(),
|
||
|
|
media_ids: media ? files.map(file => file._id) : undefined,
|
||
|
|
reply_to_id: replyTo ? replyTo._id : undefined,
|
||
|
|
repost_id: repost ? repost._id : undefined,
|
||
|
|
text: text,
|
||
|
|
user_id: user._id,
|
||
|
|
app_id: app ? app._id : null
|
||
|
|
});
|
||
|
|
|
||
|
|
const post = inserted.ops[0];
|
||
|
|
|
||
|
|
// Serialize
|
||
|
|
const postObj = await serialize(post);
|
||
|
|
|
||
|
|
// Reponse
|
||
|
|
res(postObj);
|
||
|
|
|
||
|
|
//--------------------------------
|
||
|
|
// Post processes
|
||
|
|
|
||
|
|
let mentions = [];
|
||
|
|
|
||
|
|
function addMention(mentionee, type) {
|
||
|
|
// Reject if already added
|
||
|
|
if (mentions.some(x => x.equals(mentionee))) return;
|
||
|
|
|
||
|
|
// Add mention
|
||
|
|
mentions.push(mentionee);
|
||
|
|
|
||
|
|
// Publish event
|
||
|
|
if (!user._id.equals(mentionee)) {
|
||
|
|
event(mentionee, type, postObj);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Publish event to myself's stream
|
||
|
|
event(user._id, 'post', postObj);
|
||
|
|
|
||
|
|
// Fetch all followers
|
||
|
|
const followers = await Following
|
||
|
|
.find({
|
||
|
|
followee_id: user._id,
|
||
|
|
// 削除されたドキュメントは除く
|
||
|
|
deleted_at: { $exists: false }
|
||
|
|
}, {
|
||
|
|
follower_id: true,
|
||
|
|
_id: false
|
||
|
|
})
|
||
|
|
.toArray();
|
||
|
|
|
||
|
|
// Publish event to followers stream
|
||
|
|
followers.forEach(following =>
|
||
|
|
event(following.follower_id, 'post', postObj));
|
||
|
|
|
||
|
|
// Increment my posts count
|
||
|
|
User.updateOne({ _id: user._id }, {
|
||
|
|
$inc: {
|
||
|
|
posts_count: 1
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
// If has in reply to post
|
||
|
|
if (replyTo) {
|
||
|
|
// Increment replies count
|
||
|
|
Post.updateOne({ _id: replyTo._id }, {
|
||
|
|
$inc: {
|
||
|
|
replies_count: 1
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
// 自分自身へのリプライでない限りは通知を作成
|
||
|
|
notify(replyTo.user_id, user._id, 'reply', {
|
||
|
|
post_id: post._id
|
||
|
|
});
|
||
|
|
|
||
|
|
// Add mention
|
||
|
|
addMention(replyTo.user_id, 'reply');
|
||
|
|
}
|
||
|
|
|
||
|
|
// If it is repost
|
||
|
|
if (repost) {
|
||
|
|
// Notify
|
||
|
|
const type = text ? 'quote' : 'repost';
|
||
|
|
notify(repost.user_id, user._id, type, {
|
||
|
|
post_id: post._id
|
||
|
|
});
|
||
|
|
|
||
|
|
// If it is quote repost
|
||
|
|
if (text) {
|
||
|
|
// Add mention
|
||
|
|
addMention(repost.user_id, 'quote');
|
||
|
|
} else {
|
||
|
|
// Publish event
|
||
|
|
if (!user._id.equals(repost.user_id)) {
|
||
|
|
event(repost.user_id, 'repost', postObj);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// 今までで同じ投稿をRepostしているか
|
||
|
|
const existRepost = await Post.findOne({
|
||
|
|
user_id: user._id,
|
||
|
|
repost_id: repost._id,
|
||
|
|
_id: {
|
||
|
|
$ne: post._id
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
if (!existRepost) {
|
||
|
|
// Update repostee status
|
||
|
|
Post.updateOne({ _id: repost._id }, {
|
||
|
|
$inc: {
|
||
|
|
repost_count: 1
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// If has text content
|
||
|
|
if (text) {
|
||
|
|
// Analyze
|
||
|
|
const tokens = parse(text);
|
||
|
|
|
||
|
|
// Extract a hashtags
|
||
|
|
const hashtags = tokens
|
||
|
|
.filter(t => t.type == 'hashtag')
|
||
|
|
.map(t => t.hashtag)
|
||
|
|
// Drop dupulicates
|
||
|
|
.filter((v, i, s) => s.indexOf(v) == i);
|
||
|
|
|
||
|
|
// ハッシュタグをデータベースに登録
|
||
|
|
//registerHashtags(user, hashtags);
|
||
|
|
|
||
|
|
// Extract an '@' mentions
|
||
|
|
const atMentions = tokens
|
||
|
|
.filter(t => t.type == 'mention')
|
||
|
|
.map(m => m.username)
|
||
|
|
// Drop dupulicates
|
||
|
|
.filter((v, i, s) => s.indexOf(v) == i);
|
||
|
|
|
||
|
|
// Resolve all mentions
|
||
|
|
await Promise.all(atMentions.map(async (mention) => {
|
||
|
|
// Fetch mentioned user
|
||
|
|
// SELECT _id
|
||
|
|
const mentionee = await User
|
||
|
|
.findOne({
|
||
|
|
username_lower: mention.toLowerCase()
|
||
|
|
}, { _id: true });
|
||
|
|
|
||
|
|
// When mentioned user not found
|
||
|
|
if (mentionee == null) return;
|
||
|
|
|
||
|
|
// 既に言及されたユーザーに対する返信や引用repostの場合も無視
|
||
|
|
if (replyTo && replyTo.user_id.equals(mentionee._id)) return;
|
||
|
|
if (repost && repost.user_id.equals(mentionee._id)) return;
|
||
|
|
|
||
|
|
// Add mention
|
||
|
|
addMention(mentionee._id, 'mention');
|
||
|
|
|
||
|
|
// Create notification
|
||
|
|
notify(mentionee._id, user._id, 'mention', {
|
||
|
|
post_id: post._id
|
||
|
|
});
|
||
|
|
|
||
|
|
return;
|
||
|
|
}));
|
||
|
|
}
|
||
|
|
|
||
|
|
// Register to search database
|
||
|
|
if (text && config.elasticsearch.enable) {
|
||
|
|
const es = require('../../../db/elasticsearch');
|
||
|
|
|
||
|
|
es.index({
|
||
|
|
index: 'misskey',
|
||
|
|
type: 'post',
|
||
|
|
id: post._id.toString(),
|
||
|
|
body: {
|
||
|
|
text: post.text
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
// Append mentions data
|
||
|
|
if (mentions.length > 0) {
|
||
|
|
Post.updateOne({ _id: post._id }, {
|
||
|
|
$set: {
|
||
|
|
mentions: mentions
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|