misskey/src/api/endpoints/drive/folders.js

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2016-12-29 07:49:51 +09:00
'use strict';
/**
* Module dependencies
*/
import * as mongo from 'mongodb';
import DriveFolder from '../../models/drive-folder';
import serialize from '../../serializers/drive-folder';
/**
* Get drive folders
*
* @param {Object} params
* @param {Object} user
* @param {Object} app
* @return {Promise<object>}
*/
module.exports = (params, user, app) =>
new Promise(async (res, rej) =>
{
// Get 'limit' parameter
let limit = params.limit;
if (limit !== undefined && limit !== null) {
limit = parseInt(limit, 10);
// From 1 to 100
if (!(1 <= limit && limit <= 100)) {
return rej('invalid limit range');
}
} else {
limit = 10;
}
const since = params.since_id || null;
const max = params.max_id || null;
// Check if both of since_id and max_id is specified
if (since !== null && max !== null) {
return rej('cannot set since_id and max_id');
}
// Get 'folder_id' parameter
let folder = params.folder_id;
if (folder === undefined || folder === null || folder === 'null') {
folder = null;
} else {
folder = new mongo.ObjectID(folder);
}
// Construct query
const sort = {
created_at: -1
};
const query = {
user_id: user._id,
parent_id: folder
};
if (since !== null) {
sort.created_at = 1;
query._id = {
$gt: new mongo.ObjectID(since)
};
} else if (max !== null) {
query._id = {
$lt: new mongo.ObjectID(max)
};
}
// Issue query
const folders = await DriveFolder
.find(query, {
data: false
}, {
limit: limit,
sort: sort
})
.toArray();
// Serialize
res(await Promise.all(folders.map(async folder =>
await serialize(folder))));
});