60 lines
1.1 KiB
TypeScript
60 lines
1.1 KiB
TypeScript
/**
|
|
* Module dependencies
|
|
*/
|
|
import $ from 'cafy';
|
|
import Reaction from '../../../models/post-reaction';
|
|
import Post from '../../../models/post';
|
|
// import event from '../../../event';
|
|
|
|
/**
|
|
* Unreact to a post
|
|
*
|
|
* @param {any} params
|
|
* @param {any} user
|
|
* @return {Promise<any>}
|
|
*/
|
|
module.exports = (params, user) => new Promise(async (res, rej) => {
|
|
// Get 'post_id' parameter
|
|
const [postId, postIdErr] = $(params.post_id).id().$;
|
|
if (postIdErr) return rej('invalid post_id param');
|
|
|
|
// Fetch unreactee
|
|
const post = await Post.findOne({
|
|
_id: postId
|
|
});
|
|
|
|
if (post === null) {
|
|
return rej('post not found');
|
|
}
|
|
|
|
// if already unreacted
|
|
const exist = await Reaction.findOne({
|
|
post_id: post._id,
|
|
user_id: user._id,
|
|
deleted_at: { $exists: false }
|
|
});
|
|
|
|
if (exist === null) {
|
|
return rej('never reacted');
|
|
}
|
|
|
|
// Delete reaction
|
|
await Reaction.update({
|
|
_id: exist._id
|
|
}, {
|
|
$set: {
|
|
deleted_at: new Date()
|
|
}
|
|
});
|
|
|
|
// Send response
|
|
res();
|
|
|
|
const dec = {};
|
|
dec['reaction_counts.' + exist.reaction] = -1;
|
|
|
|
// Decrement reactions count
|
|
Post.update({ _id: post._id }, {
|
|
$inc: dec
|
|
});
|
|
});
|