1
0
forked from mirror/misskey
mi.moris.day/src/server/api/endpoints/channels/unwatch.ts
2018-05-02 18:06:16 +09:00

57 lines
1.1 KiB
TypeScript

/**
* Module dependencies
*/
import $ from 'cafy'; import ID from '../../../../cafy-id';
import Channel from '../../../../models/channel';
import Watching from '../../../../models/channel-watching';
/**
* Unwatch a channel
*/
module.exports = (params, user) => new Promise(async (res, rej) => {
// Get 'channelId' parameter
const [channelId, channelIdErr] = $.type(ID).get(params.channelId);
if (channelIdErr) return rej('invalid channelId param');
//#region Fetch channel
const channel = await Channel.findOne({
_id: channelId
});
if (channel === null) {
return rej('channel not found');
}
//#endregion
//#region Check whether not watching
const exist = await Watching.findOne({
userId: user._id,
channelId: channel._id,
deletedAt: { $exists: false }
});
if (exist === null) {
return rej('already not watching');
}
//#endregion
// Delete watching
await Watching.update({
_id: exist._id
}, {
$set: {
deletedAt: new Date()
}
});
// Send response
res();
// Decrement watching count
Channel.update(channel._id, {
$inc: {
watchingCount: -1
}
});
});