rudeshark.net/src/server/api/endpoints/channels/posts.ts
syuilo a1b490afa7 Post --> Note
Closes #1411
2018-04-08 02:30:37 +09:00

79 lines
1.7 KiB
TypeScript

/**
* Module dependencies
*/
import $ from 'cafy';
import { default as Channel, IChannel } from '../../../../models/channel';
import Note, { pack } from '../../../../models/note';
/**
* Show a notes of a channel
*
* @param {any} params
* @param {any} user
* @return {Promise<any>}
*/
module.exports = (params, user) => new Promise(async (res, rej) => {
// Get 'limit' parameter
const [limit = 1000, limitErr] = $(params.limit).optional.number().range(1, 1000).$;
if (limitErr) return rej('invalid limit param');
// Get 'sinceId' parameter
const [sinceId, sinceIdErr] = $(params.sinceId).optional.id().$;
if (sinceIdErr) return rej('invalid sinceId param');
// Get 'untilId' parameter
const [untilId, untilIdErr] = $(params.untilId).optional.id().$;
if (untilIdErr) return rej('invalid untilId param');
// Check if both of sinceId and untilId is specified
if (sinceId && untilId) {
return rej('cannot set sinceId and untilId');
}
// Get 'channelId' parameter
const [channelId, channelIdErr] = $(params.channelId).id().$;
if (channelIdErr) return rej('invalid channelId param');
// Fetch channel
const channel: IChannel = await Channel.findOne({
_id: channelId
});
if (channel === null) {
return rej('channel not found');
}
//#region Construct query
const sort = {
_id: -1
};
const query = {
channelId: channel._id
} as any;
if (sinceId) {
sort._id = 1;
query._id = {
$gt: sinceId
};
} else if (untilId) {
query._id = {
$lt: untilId
};
}
//#endregion Construct query
// Issue query
const notes = await Note
.find(query, {
limit: limit,
sort: sort
});
// Serialize
res(await Promise.all(notes.map(async (note) =>
await pack(note, user)
)));
});