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'use strict';
/**
* Module dependencies
*/
import * as mongo from 'mongodb';
import DriveFile from '../../models/drive-file';
import serialize from '../../serializers/drive-file';
/**
* Get drive stream
*
* @param {Object} params
* @param {Object} user
* @return {Promise<object>}
*/
module.exports = (params, user) =>
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 'type' parameter
let type = params.type;
if (type === undefined || type === null) {
type = null;
} else if (!/^[a-zA-Z\/\-\*]+$/.test(type)) {
return rej('invalid type format');
} else {
type = new RegExp(`^${type.replace(/\*/g, '.+?')}$`);
}
// Construct query
const sort = {
_id: -1
};
const query = {
user_id: user._id
};
if (since !== null) {
sort._id = 1;
query._id = {
$gt: new mongo.ObjectID(since)
};
} else if (max !== null) {
query._id = {
$lt: new mongo.ObjectID(max)
};
}
if (type !== null) {
query.type = type;
}
// Issue query
const files = await DriveFile
.find(query, {
fields: {
data: false
},
limit: limit,
sort: sort
});
// Serialize
res(await Promise.all(files.map(async file =>
await serialize(file))));
});
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