sharkey/src/server/api/endpoints/notes/reactions/delete.ts
2018-04-24 18:13:06 +09:00

56 lines
1.0 KiB
TypeScript

/**
* Module dependencies
*/
import $ from 'cafy'; import ID from '../../../../../cafy-id';
import Reaction from '../../../../../models/note-reaction';
import Note from '../../../../../models/note';
/**
* Unreact to a note
*/
module.exports = (params, user) => new Promise(async (res, rej) => {
// Get 'noteId' parameter
const [noteId, noteIdErr] = $(params.noteId).type(ID).$;
if (noteIdErr) return rej('invalid noteId param');
// Fetch unreactee
const note = await Note.findOne({
_id: noteId
});
if (note === null) {
return rej('note not found');
}
// if already unreacted
const exist = await Reaction.findOne({
noteId: note._id,
userId: user._id,
deletedAt: { $exists: false }
});
if (exist === null) {
return rej('never reacted');
}
// Delete reaction
await Reaction.update({
_id: exist._id
}, {
$set: {
deletedAt: new Date()
}
});
// Send response
res();
const dec = {};
dec[`reactionCounts.${exist.reaction}`] = -1;
// Decrement reactions count
Note.update({ _id: note._id }, {
$inc: dec
});
});