rudeshark.net/src/api/endpoints/posts/likes/create.ts

83 lines
1.4 KiB
TypeScript
Raw Normal View History

2016-12-28 23:49:51 +01:00
/**
* Module dependencies
*/
2017-03-05 04:00:39 +01:00
import it from 'cafy';
2016-12-28 23:49:51 +01:00
import Like from '../../../models/like';
import Post from '../../../models/post';
import User from '../../../models/user';
import notify from '../../../common/notify';
/**
* Like a post
*
2017-03-01 09:37:01 +01:00
* @param {any} params
* @param {any} user
* @return {Promise<any>}
2016-12-28 23:49:51 +01:00
*/
2017-03-03 20:28:38 +01:00
module.exports = (params, user) => new Promise(async (res, rej) => {
// Get 'post_id' parameter
const [postId, postIdErr] = it(params.post_id, 'id', true);
if (postIdErr) return rej('invalid post_id param');
2017-01-20 09:51:31 +01:00
2017-03-03 20:28:38 +01:00
// Get likee
const post = await Post.findOne({
_id: postId
});
2016-12-28 23:49:51 +01:00
2017-03-03 20:28:38 +01:00
if (post === null) {
return rej('post not found');
}
2016-12-28 23:49:51 +01:00
2017-03-03 20:28:38 +01:00
// Myself
if (post.user_id.equals(user._id)) {
return rej('-need-translate-');
}
2016-12-28 23:49:51 +01:00
2017-03-03 20:28:38 +01:00
// if already liked
const exist = await Like.findOne({
post_id: post._id,
user_id: user._id,
deleted_at: { $exists: false }
});
2016-12-28 23:49:51 +01:00
2017-03-03 20:28:38 +01:00
if (exist !== null) {
return rej('already liked');
}
2016-12-28 23:49:51 +01:00
2017-03-03 20:28:38 +01:00
// Create like
await Like.insert({
created_at: new Date(),
post_id: post._id,
user_id: user._id
});
2016-12-28 23:49:51 +01:00
2017-03-03 20:28:38 +01:00
// Send response
res();
2016-12-28 23:49:51 +01:00
2017-03-03 20:28:38 +01:00
// Increment likes count
Post.update({ _id: post._id }, {
$inc: {
likes_count: 1
}
});
2016-12-28 23:49:51 +01:00
2017-03-03 20:28:38 +01:00
// Increment user likes count
User.update({ _id: user._id }, {
$inc: {
likes_count: 1
}
});
2016-12-28 23:49:51 +01:00
2017-03-03 20:28:38 +01:00
// Increment user liked count
User.update({ _id: post.user_id }, {
$inc: {
liked_count: 1
}
});
2016-12-28 23:49:51 +01:00
2017-03-03 20:28:38 +01:00
// Notify
notify(post.user_id, user._id, 'like', {
post_id: post._id
2016-12-28 23:49:51 +01:00
});
2017-03-03 20:28:38 +01:00
});