paricafe/src/chart/drive.ts

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2018-10-22 15:36:35 -05:00
import autobind from 'autobind-decorator';
import Chart, { Obj } from './';
import DriveFile, { IDriveFile } from '../models/drive-file';
import { isLocalUser } from '../models/user';
/**
*
*/
type DriveLog = {
local: {
/**
*
*/
totalCount: number;
/**
*
*/
totalSize: number;
/**
*
*/
incCount: number;
/**
* 使
*/
incSize: number;
/**
*
*/
decCount: number;
/**
* 使
*/
decSize: number;
};
remote: DriveLog['local'];
};
class DriveChart extends Chart<DriveLog> {
constructor() {
super('drive');
}
@autobind
protected async getTemplate(init: boolean, latest?: DriveLog): Promise<DriveLog> {
const calcSize = (local: boolean) => DriveFile
.aggregate([{
$match: {
'metadata._user.host': local ? null : { $ne: null },
'metadata.deletedAt': { $exists: false }
}
}, {
$project: {
length: true
}
}, {
$group: {
_id: null,
usage: { $sum: '$length' }
}
}])
.then(res => res.length > 0 ? res[0].usage : 0);
const [localCount, remoteCount, localSize, remoteSize] = init ? await Promise.all([
DriveFile.count({ 'metadata._user.host': null }),
DriveFile.count({ 'metadata._user.host': { $ne: null } }),
calcSize(true),
calcSize(false)
]) : [
latest ? latest.local.totalCount : 0,
latest ? latest.remote.totalCount : 0,
latest ? latest.local.totalSize : 0,
latest ? latest.remote.totalSize : 0
];
return {
local: {
totalCount: localCount,
totalSize: localSize,
incCount: 0,
incSize: 0,
decCount: 0,
decSize: 0
},
remote: {
totalCount: remoteCount,
totalSize: remoteSize,
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({
[isLocalUser(file.metadata._user) ? 'local' : 'remote']: update
});
}
}
export default new DriveChart();