misskey/src/server/api/endpoints/notes/timeline.ts

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/**
* Module dependencies
*/
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import $ from 'cafy';
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import Note from '../../../../models/note';
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import Mute from '../../../../models/mute';
import ChannelWatching from '../../../../models/channel-watching';
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import { getFriends } from '../../common/get-friends';
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import { pack } from '../../../../models/note';
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/**
* Get timeline of myself
*/
module.exports = async (params, user, app) => {
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// Get 'limit' parameter
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const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
if (limitErr) throw 'invalid limit param';
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// Get 'sinceId' parameter
const [sinceId, sinceIdErr] = $(params.sinceId).optional.id().$;
if (sinceIdErr) throw 'invalid sinceId param';
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// Get 'untilId' parameter
const [untilId, untilIdErr] = $(params.untilId).optional.id().$;
if (untilIdErr) throw 'invalid untilId param';
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// Get 'sinceDate' parameter
const [sinceDate, sinceDateErr] = $(params.sinceDate).optional.number().$;
if (sinceDateErr) throw 'invalid sinceDate param';
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// Get 'untilDate' parameter
const [untilDate, untilDateErr] = $(params.untilDate).optional.number().$;
if (untilDateErr) throw 'invalid untilDate param';
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// Check if only one of sinceId, untilId, sinceDate, untilDate specified
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if ([sinceId, untilId, sinceDate, untilDate].filter(x => x != null).length > 1) {
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throw 'only one of sinceId, untilId, sinceDate, untilDate can be specified';
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}
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const [followings, watchingChannelIds, mutedUserIds] = await Promise.all([
// フォローを取得
// Fetch following
getFriends(user._id),
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// Watchしているチャンネルを取得
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ChannelWatching.find({
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userId: user._id,
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// 削除されたドキュメントは除く
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deletedAt: { $exists: false }
}).then(watches => watches.map(w => w.channelId)),
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// ミュートしているユーザーを取得
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Mute.find({
muterId: user._id
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}).then(ms => ms.map(m => m.muteeId))
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]);
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//#region Construct query
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const sort = {
_id: -1
};
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const followQuery = followings.map(f => f.stalk ? {
userId: f.id
} : {
userId: f.id,
// ストーキングしてないならリプライは含めない(ただし投稿者自身の投稿へのリプライ、自分の投稿へのリプライ、自分のリプライは含める)
$or: [{
// リプライでない
replyId: null
}, { // または
// リプライだが返信先が投稿者自身の投稿
$expr: {
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$eq: ['$_reply.userId', '$userId']
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}
}, { // または
// リプライだが返信先が自分(フォロワー)の投稿
'_reply.userId': user._id
}, { // または
// 自分(フォロワー)が送信したリプライ
userId: user._id
}]
});
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const query = {
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$or: [{
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$and: [{
// フォローしている人のタイムラインへの投稿
$or: followQuery
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}, {
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// 「タイムラインへの」投稿に限定するためにチャンネルが指定されていないもののみに限る
$or: [{
channelId: {
$exists: false
}
}, {
channelId: null
}]
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}]
}, {
// Watchしているチャンネルへの投稿
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channelId: {
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$in: watchingChannelIds
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}
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}],
// mute
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userId: {
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$nin: mutedUserIds
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},
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'_reply.userId': {
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$nin: mutedUserIds
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},
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'_renote.userId': {
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$nin: mutedUserIds
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},
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} as any;
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if (sinceId) {
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sort._id = 1;
query._id = {
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$gt: sinceId
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};
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} else if (untilId) {
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query._id = {
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$lt: untilId
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};
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} else if (sinceDate) {
sort._id = 1;
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query.createdAt = {
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$gt: new Date(sinceDate)
};
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} else if (untilDate) {
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query.createdAt = {
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$lt: new Date(untilDate)
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};
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}
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//#endregion
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// Issue query
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const timeline = await Note
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.find(query, {
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limit: limit,
sort: sort
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});
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// Serialize
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return await Promise.all(timeline.map(note => pack(note, user)));
};