misskey/src/server/api/endpoints/posts/search.ts
2018-03-29 20:32:18 +09:00

365 lines
7.6 KiB
TypeScript

/**
* Module dependencies
*/
import $ from 'cafy';
const escapeRegexp = require('escape-regexp');
import Post from '../../../../models/post';
import User from '../../../../models/user';
import Mute from '../../../../models/mute';
import getFriends from '../../common/get-friends';
import { pack } from '../../../../models/post';
/**
* Search a post
*
* @param {any} params
* @param {any} me
* @return {Promise<any>}
*/
module.exports = (params, me) => new Promise(async (res, rej) => {
// Get 'text' parameter
const [text, textError] = $(params.text).optional.string().$;
if (textError) return rej('invalid text param');
// Get 'includeUserIds' parameter
const [includeUserIds = [], includeUserIdsErr] = $(params.includeUserIds).optional.array('id').$;
if (includeUserIdsErr) return rej('invalid includeUserIds param');
// Get 'excludeUserIds' parameter
const [excludeUserIds = [], excludeUserIdsErr] = $(params.excludeUserIds).optional.array('id').$;
if (excludeUserIdsErr) return rej('invalid excludeUserIds param');
// Get 'includeUserUsernames' parameter
const [includeUserUsernames = [], includeUserUsernamesErr] = $(params.includeUserUsernames).optional.array('string').$;
if (includeUserUsernamesErr) return rej('invalid includeUserUsernames param');
// Get 'excludeUserUsernames' parameter
const [excludeUserUsernames = [], excludeUserUsernamesErr] = $(params.excludeUserUsernames).optional.array('string').$;
if (excludeUserUsernamesErr) return rej('invalid excludeUserUsernames param');
// Get 'following' parameter
const [following = null, followingErr] = $(params.following).optional.nullable.boolean().$;
if (followingErr) return rej('invalid following param');
// Get 'mute' parameter
const [mute = 'mute_all', muteErr] = $(params.mute).optional.string().$;
if (muteErr) return rej('invalid mute param');
// Get 'reply' parameter
const [reply = null, replyErr] = $(params.reply).optional.nullable.boolean().$;
if (replyErr) return rej('invalid reply param');
// Get 'repost' parameter
const [repost = null, repostErr] = $(params.repost).optional.nullable.boolean().$;
if (repostErr) return rej('invalid repost param');
// Get 'media' parameter
const [media = null, mediaErr] = $(params.media).optional.nullable.boolean().$;
if (mediaErr) return rej('invalid media param');
// Get 'poll' parameter
const [poll = null, pollErr] = $(params.poll).optional.nullable.boolean().$;
if (pollErr) return rej('invalid poll param');
// Get 'sinceDate' parameter
const [sinceDate, sinceDateErr] = $(params.sinceDate).optional.number().$;
if (sinceDateErr) throw 'invalid sinceDate param';
// Get 'untilDate' parameter
const [untilDate, untilDateErr] = $(params.untilDate).optional.number().$;
if (untilDateErr) throw 'invalid untilDate param';
// Get 'offset' parameter
const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).$;
if (offsetErr) return rej('invalid offset param');
// Get 'limit' parameter
const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 30).$;
if (limitErr) return rej('invalid limit param');
let includeUsers = includeUserIds;
if (includeUserUsernames != null) {
const ids = (await Promise.all(includeUserUsernames.map(async (username) => {
const _user = await User.findOne({
usernameLower: username.toLowerCase()
});
return _user ? _user._id : null;
}))).filter(id => id != null);
includeUsers = includeUsers.concat(ids);
}
let excludeUsers = excludeUserIds;
if (excludeUserUsernames != null) {
const ids = (await Promise.all(excludeUserUsernames.map(async (username) => {
const _user = await User.findOne({
usernameLower: username.toLowerCase()
});
return _user ? _user._id : null;
}))).filter(id => id != null);
excludeUsers = excludeUsers.concat(ids);
}
search(res, rej, me, text, includeUsers, excludeUsers, following,
mute, reply, repost, media, poll, sinceDate, untilDate, offset, limit);
});
async function search(
res, rej, me, text, includeUserIds, excludeUserIds, following,
mute, reply, repost, media, poll, sinceDate, untilDate, offset, max) {
let q: any = {
$and: []
};
const push = x => q.$and.push(x);
if (text) {
// 完全一致検索
if (/"""(.+?)"""/.test(text)) {
const x = text.match(/"""(.+?)"""/)[1];
push({
text: x
});
} else {
const tags = text.split(' ').filter(x => x[0] == '#');
if (tags) {
push({
$and: tags.map(x => ({
tags: x
}))
});
}
push({
$and: text.split(' ').map(x => ({
// キーワードが-で始まる場合そのキーワードを除外する
text: x[0] == '-' ? {
$not: new RegExp(escapeRegexp(x.substr(1)))
} : new RegExp(escapeRegexp(x))
}))
});
}
}
if (includeUserIds && includeUserIds.length != 0) {
push({
userId: {
$in: includeUserIds
}
});
} else if (excludeUserIds && excludeUserIds.length != 0) {
push({
userId: {
$nin: excludeUserIds
}
});
}
if (following != null && me != null) {
const ids = await getFriends(me._id, false);
push({
userId: following ? {
$in: ids
} : {
$nin: ids.concat(me._id)
}
});
}
if (me != null) {
const mutes = await Mute.find({
muterId: me._id,
deletedAt: { $exists: false }
});
const mutedUserIds = mutes.map(m => m.muteeId);
switch (mute) {
case 'mute_all':
push({
userId: {
$nin: mutedUserIds
},
'_reply.userId': {
$nin: mutedUserIds
},
'_repost.userId': {
$nin: mutedUserIds
}
});
break;
case 'mute_related':
push({
'_reply.userId': {
$nin: mutedUserIds
},
'_repost.userId': {
$nin: mutedUserIds
}
});
break;
case 'mute_direct':
push({
userId: {
$nin: mutedUserIds
}
});
break;
case 'direct_only':
push({
userId: {
$in: mutedUserIds
}
});
break;
case 'related_only':
push({
$or: [{
'_reply.userId': {
$in: mutedUserIds
}
}, {
'_repost.userId': {
$in: mutedUserIds
}
}]
});
break;
case 'all_only':
push({
$or: [{
userId: {
$in: mutedUserIds
}
}, {
'_reply.userId': {
$in: mutedUserIds
}
}, {
'_repost.userId': {
$in: mutedUserIds
}
}]
});
break;
}
}
if (reply != null) {
if (reply) {
push({
replyId: {
$exists: true,
$ne: null
}
});
} else {
push({
$or: [{
replyId: {
$exists: false
}
}, {
replyId: null
}]
});
}
}
if (repost != null) {
if (repost) {
push({
repostId: {
$exists: true,
$ne: null
}
});
} else {
push({
$or: [{
repostId: {
$exists: false
}
}, {
repostId: null
}]
});
}
}
if (media != null) {
if (media) {
push({
mediaIds: {
$exists: true,
$ne: null
}
});
} else {
push({
$or: [{
mediaIds: {
$exists: false
}
}, {
mediaIds: null
}]
});
}
}
if (poll != null) {
if (poll) {
push({
poll: {
$exists: true,
$ne: null
}
});
} else {
push({
$or: [{
poll: {
$exists: false
}
}, {
poll: null
}]
});
}
}
if (sinceDate) {
push({
createdAt: {
$gt: new Date(sinceDate)
}
});
}
if (untilDate) {
push({
createdAt: {
$lt: new Date(untilDate)
}
});
}
if (q.$and.length == 0) {
q = {};
}
// Search posts
const posts = await Post
.find(q, {
sort: {
_id: -1
},
limit: max,
skip: offset
});
// Serialize
res(await Promise.all(posts.map(async post =>
await pack(post, me))));
}