Sharkey/src/server/api/endpoints/posts/polls/vote.ts

116 lines
2.3 KiB
TypeScript
Raw Normal View History

2017-02-14 06:59:26 +02:00
/**
* Module dependencies
*/
2017-03-08 20:50:09 +02:00
import $ from 'cafy';
2017-02-14 06:59:26 +02:00
import Vote from '../../../models/poll-vote';
import Post from '../../../models/post';
2017-06-06 18:44:26 +03:00
import Watching from '../../../models/post-watching';
2017-02-14 06:59:26 +02:00
import notify from '../../../common/notify';
2017-06-06 18:44:26 +03:00
import watch from '../../../common/watch-post';
2017-03-20 06:54:59 +02:00
import { publishPostStream } from '../../../event';
2017-02-14 06:59:26 +02:00
/**
* Vote poll of a post
*
2017-03-01 10:37:01 +02:00
* @param {any} params
* @param {any} user
* @return {Promise<any>}
2017-02-14 06:59:26 +02:00
*/
2017-03-03 21:28:38 +02:00
module.exports = (params, user) => new Promise(async (res, rej) => {
// Get 'post_id' parameter
2017-03-08 20:50:09 +02:00
const [postId, postIdErr] = $(params.post_id).id().$;
2017-03-03 21:28:38 +02:00
if (postIdErr) return rej('invalid post_id param');
2017-02-14 06:59:26 +02:00
2017-03-03 21:28:38 +02:00
// Get votee
const post = await Post.findOne({
_id: postId
});
2017-02-14 06:59:26 +02:00
2017-03-03 21:28:38 +02:00
if (post === null) {
return rej('post not found');
}
2017-02-14 06:59:26 +02:00
2017-03-03 21:28:38 +02:00
if (post.poll == null) {
return rej('poll not found');
}
2017-02-14 06:59:26 +02:00
2017-03-03 21:28:38 +02:00
// Get 'choice' parameter
const [choice, choiceError] =
2017-03-18 17:01:37 +02:00
$(params.choice).number()
2017-03-08 20:50:09 +02:00
.pipe(c => post.poll.choices.some(x => x.id == c))
.$;
2017-03-03 21:28:38 +02:00
if (choiceError) return rej('invalid choice param');
2017-02-14 06:59:26 +02:00
2017-03-03 21:28:38 +02:00
// if already voted
const exist = await Vote.findOne({
post_id: post._id,
user_id: user._id
});
2017-02-14 06:59:26 +02:00
2017-03-03 21:28:38 +02:00
if (exist !== null) {
return rej('already voted');
}
2017-02-14 06:59:26 +02:00
2017-03-03 21:28:38 +02:00
// Create vote
await Vote.insert({
created_at: new Date(),
post_id: post._id,
user_id: user._id,
choice: choice
});
2017-02-14 06:59:26 +02:00
2017-03-03 21:28:38 +02:00
// Send response
res();
2017-02-14 06:59:26 +02:00
2017-03-03 21:28:38 +02:00
const inc = {};
inc[`poll.choices.${findWithAttr(post.poll.choices, 'id', choice)}.votes`] = 1;
2017-02-14 06:59:26 +02:00
2017-03-20 06:54:59 +02:00
// Increment votes count
await Post.update({ _id: post._id }, {
2017-03-03 21:28:38 +02:00
$inc: inc
});
2017-02-14 06:59:26 +02:00
2017-03-20 06:54:59 +02:00
publishPostStream(post._id, 'poll_voted');
2017-03-03 21:28:38 +02:00
// Notify
notify(post.user_id, user._id, 'poll_vote', {
post_id: post._id,
choice: choice
2017-02-14 06:59:26 +02:00
});
2017-06-06 18:44:26 +03:00
// Fetch watchers
Watching
.find({
post_id: post._id,
user_id: { $ne: user._id },
// 削除されたドキュメントは除く
deleted_at: { $exists: false }
}, {
fields: {
user_id: true
}
})
.then(watchers => {
watchers.forEach(watcher => {
notify(watcher.user_id, user._id, 'poll_vote', {
post_id: post._id,
choice: choice
});
});
});
// この投稿をWatchする
if (user.account.settings.auto_watch !== false) {
2018-03-05 01:07:09 +02:00
watch(user._id, post);
}
2017-03-03 21:28:38 +02:00
});
2017-02-14 06:59:26 +02:00
function findWithAttr(array, attr, value) {
for (let i = 0; i < array.length; i += 1) {
2017-02-27 09:50:36 +02:00
if (array[i][attr] === value) {
2017-02-14 06:59:26 +02:00
return i;
}
}
return -1;
}