Sharkey/src/api/endpoints/posts/timeline.ts

133 lines
3.3 KiB
TypeScript
Raw Normal View History

2016-12-29 00:49:51 +02:00
/**
* Module dependencies
*/
2017-03-08 20:50:09 +02:00
import $ from 'cafy';
2017-11-06 08:18:45 +02:00
import rap from '@prezzemolo/rap';
2016-12-29 00:49:51 +02:00
import Post from '../../models/post';
2017-12-21 23:03:54 +02:00
import Mute from '../../models/mute';
2017-11-01 12:33:08 +02:00
import ChannelWatching from '../../models/channel-watching';
2016-12-29 00:49:51 +02:00
import getFriends from '../../common/get-friends';
import serialize from '../../serializers/post';
/**
* Get timeline of myself
*
2017-03-01 10:37:01 +02:00
* @param {any} params
* @param {any} user
* @param {any} app
* @return {Promise<any>}
2016-12-29 00:49:51 +02:00
*/
module.exports = async (params, user, app) => {
2016-12-29 00:49:51 +02:00
// Get 'limit' parameter
2017-03-08 20:50:09 +02:00
const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
if (limitErr) throw 'invalid limit param';
2016-12-29 00:49:51 +02:00
2017-03-02 23:48:26 +02:00
// Get 'since_id' parameter
2017-03-08 20:50:09 +02:00
const [sinceId, sinceIdErr] = $(params.since_id).optional.id().$;
if (sinceIdErr) throw 'invalid since_id param';
2016-12-29 00:49:51 +02:00
2017-12-20 19:20:02 +02:00
// Get 'until_id' parameter
const [untilId, untilIdErr] = $(params.until_id).optional.id().$;
if (untilIdErr) throw 'invalid until_id param';
2016-12-29 00:49:51 +02:00
2017-11-11 03:58:13 +02:00
// Get 'since_date' parameter
const [sinceDate, sinceDateErr] = $(params.since_date).optional.number().$;
if (sinceDateErr) throw 'invalid since_date param';
2017-12-20 19:20:02 +02:00
// Get 'until_date' parameter
const [untilDate, untilDateErr] = $(params.until_date).optional.number().$;
if (untilDateErr) throw 'invalid until_date param';
2017-11-11 03:58:13 +02:00
2017-12-20 19:20:02 +02:00
// Check if only one of since_id, until_id, since_date, until_date specified
if ([sinceId, untilId, sinceDate, untilDate].filter(x => x != null).length > 1) {
throw 'only one of since_id, until_id, since_date, until_date can be specified';
2016-12-29 00:49:51 +02:00
}
2017-12-21 23:03:54 +02:00
const { followingIds, watchingChannelIds, mutedUserIds } = await rap({
2017-11-06 08:18:45 +02:00
// ID list of the user itself and other users who the user follows
followingIds: getFriends(user._id),
2017-12-21 23:03:54 +02:00
2017-11-06 08:18:45 +02:00
// Watchしているチャンネルを取得
2017-11-06 13:03:50 +02:00
watchingChannelIds: ChannelWatching.find({
2017-11-06 08:18:45 +02:00
user_id: user._id,
// 削除されたドキュメントは除く
deleted_at: { $exists: false }
2017-12-21 23:03:54 +02:00
}).then(watches => watches.map(w => w.channel_id)),
// ミュートしているユーザーを取得
mutedUserIds: Mute.find({
muter_id: user._id,
// 削除されたドキュメントは除く
deleted_at: { $exists: false }
}).then(ms => ms.map(m => m.mutee_id))
2017-11-01 12:33:08 +02:00
});
//#region Construct query
2016-12-29 00:49:51 +02:00
const sort = {
_id: -1
};
2017-11-01 12:33:08 +02:00
2016-12-29 00:49:51 +02:00
const query = {
2017-11-01 05:44:53 +02:00
$or: [{
2017-11-01 12:33:08 +02:00
// フォローしている人のタイムラインへの投稿
user_id: {
$in: followingIds
},
// 「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: [{
channel_id: {
$exists: false
}
}, {
channel_id: null
}]
}, {
// Watchしているチャンネルへの投稿
2017-11-01 05:44:53 +02:00
channel_id: {
2017-11-06 13:03:50 +02:00
$in: watchingChannelIds
2017-11-01 05:44:53 +02:00
}
2017-12-21 21:50:50 +02:00
}],
// mute
user_id: {
2017-12-21 23:03:54 +02:00
$nin: mutedUserIds
2017-12-21 21:50:50 +02:00
},
'_reply.user_id': {
2017-12-21 23:03:54 +02:00
$nin: mutedUserIds
2017-12-21 21:50:50 +02:00
},
'_repost.user_id': {
2017-12-21 23:03:54 +02:00
$nin: mutedUserIds
2017-12-21 21:50:50 +02:00
},
2017-03-02 23:48:26 +02:00
} as any;
2017-11-01 12:33:08 +02:00
2017-03-02 23:48:26 +02:00
if (sinceId) {
2016-12-29 00:49:51 +02:00
sort._id = 1;
query._id = {
2017-03-02 23:48:26 +02:00
$gt: sinceId
2016-12-29 00:49:51 +02:00
};
2017-12-20 19:20:02 +02:00
} else if (untilId) {
2016-12-29 00:49:51 +02:00
query._id = {
2017-12-20 19:20:02 +02:00
$lt: untilId
2016-12-29 00:49:51 +02:00
};
2017-11-11 03:58:13 +02:00
} else if (sinceDate) {
sort._id = 1;
query.created_at = {
$gt: new Date(sinceDate)
};
2017-12-20 19:20:02 +02:00
} else if (untilDate) {
2017-11-11 03:58:13 +02:00
query.created_at = {
2017-12-20 19:20:02 +02:00
$lt: new Date(untilDate)
2017-11-11 03:58:13 +02:00
};
2016-12-29 00:49:51 +02:00
}
2017-11-01 12:33:08 +02:00
//#endregion
2016-12-29 00:49:51 +02:00
// Issue query
const timeline = await Post
2017-01-17 04:11:22 +02:00
.find(query, {
2016-12-29 00:49:51 +02:00
limit: limit,
sort: sort
2017-01-17 04:11:22 +02:00
});
2016-12-29 00:49:51 +02:00
// Serialize
2017-11-06 13:03:50 +02:00
return await Promise.all(timeline.map(post => serialize(post, user)));
};