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MisskeyIO/src/chart/per-user-drive.ts

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2018-10-23 05:36:35 +09:00
import autobind from 'autobind-decorator';
import Chart, { Obj } from './';
import DriveFile, { IDriveFile } from '../models/drive-file';
/**
*
*/
type PerUserDriveLog = {
/**
*
*/
totalCount: number;
/**
*
*/
totalSize: number;
/**
*
*/
incCount: number;
/**
* 使
*/
incSize: number;
/**
*
*/
decCount: number;
/**
* 使
*/
decSize: number;
};
class PerUserDriveChart extends Chart<PerUserDriveLog> {
constructor() {
super('perUserDrive', true);
}
@autobind
protected async getTemplate(init: boolean, latest?: PerUserDriveLog, group?: any): Promise<PerUserDriveLog> {
const calcSize = () => DriveFile
.aggregate([{
$match: {
'metadata.userId': group,
'metadata.deletedAt': { $exists: false }
}
}, {
$project: {
length: true
}
}, {
$group: {
_id: null,
usage: { $sum: '$length' }
}
}])
.then(res => res.length > 0 ? res[0].usage : 0);
const [count, size] = init ? await Promise.all([
DriveFile.count({ 'metadata.userId': group }),
calcSize()
]) : [
latest ? latest.totalCount : 0,
latest ? latest.totalSize : 0
];
return {
totalCount: count,
totalSize: size,
incCount: 0,
incSize: 0,
decCount: 0,
decSize: 0
};
}
@autobind
public async update(file: IDriveFile, isAdditional: boolean) {
const update: Obj = {};
update.totalCount = isAdditional ? 1 : -1;
update.totalSize = isAdditional ? file.length : -file.length;
if (isAdditional) {
update.incCount = 1;
update.incSize = file.length;
} else {
update.decCount = 1;
update.decSize = file.length;
}
await this.inc(update, file.metadata.userId);
}
}
export default new PerUserDriveChart();