814 lines
16 KiB
TypeScript
814 lines
16 KiB
TypeScript
/**
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* このファイルでは、チャートに関する処理を行います。
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*/
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const nestedProperty = require('nested-property');
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import autobind from 'autobind-decorator';
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import * as mongo from 'mongodb';
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import db from '../db/mongodb';
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import Note, { INote } from '../models/note';
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import User, { isLocalUser, IUser } from '../models/user';
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import DriveFile, { IDriveFile } from '../models/drive-file';
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import { ICollection } from 'monk';
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import Following from '../models/following';
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type Obj = { [key: string]: any };
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type Partial<T> = {
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[P in keyof T]?: Partial<T[P]>;
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};
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type ArrayValue<T> = {
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[P in keyof T]: T[P] extends number ? Array<T[P]> : ArrayValue<T[P]>;
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};
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type Span = 'day' | 'hour';
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//#region Chart Core
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type Log<T extends Obj> = {
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_id: mongo.ObjectID;
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/**
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* 集計のグループ
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*/
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group?: any;
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/**
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* 集計日時
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*/
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date: Date;
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/**
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* 集計期間
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*/
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span: Span;
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/**
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* データ
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*/
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data: T;
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/**
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* ユニークインクリメント用
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*/
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unique?: Obj;
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};
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/**
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* 様々なチャートの管理を司るクラス
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*/
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abstract class Stats<T> {
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protected collection: ICollection<Log<T>>;
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protected abstract async getTemplate(init: boolean, latestLog?: T, group?: any): Promise<T>;
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constructor(name: string) {
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this.collection = db.get<Log<T>>(`stats.${name}`);
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this.collection.createIndex({ span: -1, date: -1 }, { unique: true });
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this.collection.createIndex('group');
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}
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@autobind
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private convertQuery(x: Obj, path: string): Obj {
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const query: Obj = {};
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const dive = (x: Obj, path: string) => {
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Object.entries(x).forEach(([k, v]) => {
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const p = path ? `${path}.${k}` : k;
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if (typeof v === 'number') {
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query[p] = v;
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} else {
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dive(v, p);
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}
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});
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};
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dive(x, path);
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return query;
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}
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@autobind
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private async getCurrentLog(span: Span, group?: any): Promise<Log<T>> {
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const now = new Date();
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const y = now.getFullYear();
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const m = now.getMonth();
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const d = now.getDate();
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const h = now.getHours();
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const current =
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span == 'day' ? new Date(y, m, d) :
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span == 'hour' ? new Date(y, m, d, h) :
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null;
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// 現在(今日または今のHour)の統計
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const currentLog = await this.collection.findOne({
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group: group,
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span: span,
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date: current
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});
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if (currentLog) {
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return currentLog;
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}
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// 集計期間が変わってから、初めてのチャート更新なら
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// 最も最近の統計を持ってくる
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// * 例えば集計期間が「日」である場合で考えると、
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// * 昨日何もチャートを更新するような出来事がなかった場合は、
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// * 統計がそもそも作られずドキュメントが存在しないということがあり得るため、
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// * 「昨日の」と決め打ちせずに「もっとも最近の」とします
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const latestLog = await this.collection.findOne({
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group: group,
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span: span
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}, {
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sort: {
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date: -1
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}
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});
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if (latestLog) {
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// 現在の統計を初期挿入
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const data = await this.getTemplate(false, latestLog.data);
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const log = await this.collection.insert({
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group: group,
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span: span,
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date: current,
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data: data
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});
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return log;
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} else {
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// 統計が存在しなかったら
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// * Misskeyインスタンスを建てて初めてのチャート更新時など
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// 空の統計を作成
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const data = await this.getTemplate(true, null, group);
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const log = await this.collection.insert({
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group: group,
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span: span,
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date: current,
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data: data
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});
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return log;
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}
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}
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@autobind
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protected commit(query: Obj, group?: any, uniqueKey?: string, uniqueValue?: string): void {
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const update = (log: Log<T>) => {
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// ユニークインクリメントの場合、指定のキーに指定の値が既に存在していたら弾く
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if (
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uniqueKey &&
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log.unique &&
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log.unique[uniqueKey] &&
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log.unique[uniqueKey].includes(uniqueValue)
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) return;
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// ユニークインクリメントの指定のキーに値を追加
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if (uniqueKey) {
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query['$push'] = {
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[`unique.${uniqueKey}`]: uniqueValue
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};
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}
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this.collection.update({
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_id: log._id
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}, query);
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};
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this.getCurrentLog('day', group).then(log => update(log));
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this.getCurrentLog('hour', group).then(log => update(log));
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}
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@autobind
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protected inc(inc: Partial<T>, group?: any): void {
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this.commit({
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$inc: this.convertQuery(inc, 'data')
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}, group);
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}
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@autobind
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protected incIfUnique(inc: Partial<T>, key: string, value: string, group?: any): void {
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this.commit({
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$inc: this.convertQuery(inc, 'data')
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}, group, key, value);
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}
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@autobind
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public async getChart(span: Span, range: number, group?: any): Promise<ArrayValue<T>> {
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const promisedChart: Promise<T>[] = [];
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const now = new Date();
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const y = now.getFullYear();
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const m = now.getMonth();
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const d = now.getDate();
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const h = now.getHours();
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const gt =
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span == 'day' ? new Date(y, m, d - range) :
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span == 'hour' ? new Date(y, m, d, h - range) : null;
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const logs = await this.collection.find({
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group: group,
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span: span,
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date: {
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$gt: gt
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}
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}, {
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sort: {
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date: -1
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},
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fields: {
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_id: 0
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}
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});
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for (let i = (range - 1); i >= 0; i--) {
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const current =
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span == 'day' ? new Date(y, m, d - i) :
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span == 'hour' ? new Date(y, m, d, h - i) :
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null;
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const log = logs.find(l => l.date.getTime() == current.getTime());
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if (log) {
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promisedChart.unshift(Promise.resolve(log.data));
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} else { // 隙間埋め
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const latest = logs.find(l => l.date.getTime() < current.getTime());
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promisedChart.unshift(this.getTemplate(false, latest ? latest.data : null));
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}
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}
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const chart = await Promise.all(promisedChart);
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const res: ArrayValue<T> = {} as any;
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/**
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* [{
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* xxxxx: 1,
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* yyyyy: 5
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* }, {
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* xxxxx: 2,
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* yyyyy: 6
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* }, {
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* xxxxx: 3,
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* yyyyy: 7
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* }]
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*
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* を
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*
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* {
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* xxxxx: [1, 2, 3],
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* yyyyy: [5, 6, 7]
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* }
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*
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* にする
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*/
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const dive = (x: Obj, path?: string) => {
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Object.entries(x).forEach(([k, v]) => {
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const p = path ? `${path}.${k}` : k;
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if (typeof v == 'object') {
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dive(v, p);
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} else {
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nestedProperty.set(res, p, chart.map(s => nestedProperty.get(s, p)));
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}
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});
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};
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dive(chart[0]);
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return res;
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}
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}
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//#endregion
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//#region Users stats
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/**
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* ユーザーに関する統計
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*/
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type UsersLog = {
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local: {
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/**
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* 集計期間時点での、全ユーザー数
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*/
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total: number;
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/**
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* 増加したユーザー数
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*/
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inc: number;
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/**
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* 減少したユーザー数
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*/
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dec: number;
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};
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remote: UsersLog['local'];
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};
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class UsersStats extends Stats<UsersLog> {
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constructor() {
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super('users');
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}
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@autobind
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protected async getTemplate(init: boolean, latestLog?: UsersLog): Promise<UsersLog> {
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const [localCount, remoteCount] = init ? await Promise.all([
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User.count({ host: null }),
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User.count({ host: { $ne: null } })
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]) : [
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latestLog ? latestLog.local.total : 0,
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latestLog ? latestLog.remote.total : 0
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];
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return {
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local: {
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total: localCount,
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inc: 0,
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dec: 0
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},
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remote: {
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total: remoteCount,
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inc: 0,
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dec: 0
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}
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};
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}
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@autobind
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public async update(user: IUser, isAdditional: boolean) {
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const update: Obj = {};
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update.total = isAdditional ? 1 : -1;
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if (isAdditional) {
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update.inc = 1;
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} else {
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update.dec = 1;
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}
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await this.inc({
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[isLocalUser(user) ? 'local' : 'remote']: update
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});
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}
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}
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export const usersStats = new UsersStats();
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//#endregion
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//#region Notes stats
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/**
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* 投稿に関する統計
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*/
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type NotesLog = {
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local: {
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/**
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* 集計期間時点での、全投稿数
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*/
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total: number;
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/**
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* 増加した投稿数
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*/
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inc: number;
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/**
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* 減少した投稿数
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*/
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dec: number;
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diffs: {
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/**
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* 通常の投稿数の差分
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*/
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normal: number;
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/**
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* リプライの投稿数の差分
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*/
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reply: number;
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/**
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* Renoteの投稿数の差分
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*/
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renote: number;
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};
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};
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remote: NotesLog['local'];
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};
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class NotesStats extends Stats<NotesLog> {
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constructor() {
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super('notes');
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}
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@autobind
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protected async getTemplate(init: boolean, latestLog?: NotesLog): Promise<NotesLog> {
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const [localCount, remoteCount] = init ? await Promise.all([
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Note.count({ '_user.host': null }),
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Note.count({ '_user.host': { $ne: null } })
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]) : [
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latestLog ? latestLog.local.total : 0,
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latestLog ? latestLog.remote.total : 0
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];
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return {
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local: {
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total: localCount,
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inc: 0,
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dec: 0,
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diffs: {
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normal: 0,
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reply: 0,
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renote: 0
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}
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},
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remote: {
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total: remoteCount,
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inc: 0,
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dec: 0,
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diffs: {
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normal: 0,
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reply: 0,
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renote: 0
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}
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}
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};
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}
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@autobind
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public async update(note: INote, isAdditional: boolean) {
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const update: Obj = {
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diffs: {}
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};
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update.total = isAdditional ? 1 : -1;
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if (isAdditional) {
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update.inc = 1;
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} else {
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update.dec = 1;
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}
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if (note.replyId != null) {
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update.diffs.reply = isAdditional ? 1 : -1;
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} else if (note.renoteId != null) {
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update.diffs.renote = isAdditional ? 1 : -1;
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} else {
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update.diffs.normal = isAdditional ? 1 : -1;
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}
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await this.inc({
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[isLocalUser(note._user) ? 'local' : 'remote']: update
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});
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}
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}
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export const notesStats = new NotesStats();
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//#endregion
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//#region Drive stats
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/**
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* ドライブに関する統計
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*/
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type DriveLog = {
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local: {
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/**
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* 集計期間時点での、全ドライブファイル数
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*/
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totalCount: number;
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/**
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* 集計期間時点での、全ドライブファイルの合計サイズ
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*/
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totalSize: number;
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/**
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* 増加したドライブファイル数
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*/
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incCount: number;
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/**
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* 増加したドライブ使用量
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*/
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incSize: number;
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/**
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* 減少したドライブファイル数
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*/
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decCount: number;
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/**
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* 減少したドライブ使用量
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*/
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decSize: number;
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};
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remote: DriveLog['local'];
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};
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class DriveStats extends Stats<DriveLog> {
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constructor() {
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super('drive');
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}
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@autobind
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protected async getTemplate(init: boolean, latestLog?: DriveLog): Promise<DriveLog> {
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const calcSize = (local: boolean) => DriveFile
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.aggregate([{
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$match: {
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'metadata._user.host': local ? null : { $ne: null },
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'metadata.deletedAt': { $exists: false }
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}
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}, {
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$project: {
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length: true
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}
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}, {
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$group: {
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_id: null,
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usage: { $sum: '$length' }
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}
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}])
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.then(res => res.length > 0 ? res[0].usage : 0);
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const [localCount, remoteCount, localSize, remoteSize] = init ? await Promise.all([
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DriveFile.count({ 'metadata._user.host': null }),
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DriveFile.count({ 'metadata._user.host': { $ne: null } }),
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calcSize(true),
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calcSize(false)
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]) : [
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latestLog ? latestLog.local.totalCount : 0,
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latestLog ? latestLog.remote.totalCount : 0,
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latestLog ? latestLog.local.totalSize : 0,
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latestLog ? latestLog.remote.totalSize : 0
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];
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return {
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local: {
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totalCount: localCount,
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totalSize: localSize,
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incCount: 0,
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incSize: 0,
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decCount: 0,
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decSize: 0
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},
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remote: {
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totalCount: remoteCount,
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totalSize: remoteSize,
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incCount: 0,
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incSize: 0,
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decCount: 0,
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decSize: 0
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}
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};
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}
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@autobind
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public async update(file: IDriveFile, isAdditional: boolean) {
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const update: Obj = {};
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update.totalCount = isAdditional ? 1 : -1;
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update.totalSize = isAdditional ? file.length : -file.length;
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if (isAdditional) {
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update.incCount = 1;
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update.incSize = file.length;
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} else {
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update.decCount = 1;
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update.decSize = file.length;
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}
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await this.inc({
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[isLocalUser(file.metadata._user) ? 'local' : 'remote']: update
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});
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}
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}
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export const driveStats = new DriveStats();
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//#endregion
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//#region Network stats
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/**
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* ネットワークに関する統計
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*/
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type NetworkLog = {
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/**
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* 受信したリクエスト数
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*/
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incomingRequests: number;
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/**
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* 送信したリクエスト数
|
|
*/
|
|
outgoingRequests: number;
|
|
|
|
/**
|
|
* 応答時間の合計
|
|
* TIP: (totalTime / incomingRequests) でひとつのリクエストに平均でどれくらいの時間がかかったか知れる
|
|
*/
|
|
totalTime: number;
|
|
|
|
/**
|
|
* 合計受信データ量
|
|
*/
|
|
incomingBytes: number;
|
|
|
|
/**
|
|
* 合計送信データ量
|
|
*/
|
|
outgoingBytes: number;
|
|
};
|
|
|
|
class NetworkStats extends Stats<NetworkLog> {
|
|
constructor() {
|
|
super('network');
|
|
}
|
|
|
|
@autobind
|
|
protected async getTemplate(init: boolean, latestLog?: NetworkLog): Promise<NetworkLog> {
|
|
return {
|
|
incomingRequests: 0,
|
|
outgoingRequests: 0,
|
|
totalTime: 0,
|
|
incomingBytes: 0,
|
|
outgoingBytes: 0
|
|
};
|
|
}
|
|
|
|
@autobind
|
|
public async update(incomingRequests: number, time: number, incomingBytes: number, outgoingBytes: number) {
|
|
const inc: Partial<NetworkLog> = {
|
|
incomingRequests: incomingRequests,
|
|
totalTime: time,
|
|
incomingBytes: incomingBytes,
|
|
outgoingBytes: outgoingBytes
|
|
};
|
|
|
|
await this.inc(inc);
|
|
}
|
|
}
|
|
|
|
export const networkStats = new NetworkStats();
|
|
//#endregion
|
|
|
|
//#region Hashtag stats
|
|
/**
|
|
* ハッシュタグに関する統計
|
|
*/
|
|
type HashtagLog = {
|
|
/**
|
|
* 投稿された数
|
|
*/
|
|
count: number;
|
|
};
|
|
|
|
class HashtagStats extends Stats<HashtagLog> {
|
|
constructor() {
|
|
super('hashtag');
|
|
}
|
|
|
|
@autobind
|
|
protected async getTemplate(init: boolean, latestLog?: HashtagLog): Promise<HashtagLog> {
|
|
return {
|
|
count: 0
|
|
};
|
|
}
|
|
|
|
@autobind
|
|
public async update(hashtag: string, userId: mongo.ObjectId) {
|
|
const inc: Partial<HashtagLog> = {
|
|
count: 1
|
|
};
|
|
|
|
await this.incIfUnique(inc, 'users', userId.toHexString(), hashtag);
|
|
}
|
|
}
|
|
|
|
export const hashtagStats = new HashtagStats();
|
|
//#endregion
|
|
|
|
//#region Following stats
|
|
/**
|
|
* ユーザーごとのフォローに関する統計
|
|
*/
|
|
type FollowingLog = {
|
|
local: {
|
|
/**
|
|
* フォローしている
|
|
*/
|
|
followings: {
|
|
/**
|
|
* 合計
|
|
*/
|
|
total: number;
|
|
|
|
/**
|
|
* フォローした数
|
|
*/
|
|
inc: number;
|
|
|
|
/**
|
|
* フォロー解除した数
|
|
*/
|
|
dec: number;
|
|
};
|
|
|
|
/**
|
|
* フォローされている
|
|
*/
|
|
followers: {
|
|
/**
|
|
* 合計
|
|
*/
|
|
total: number;
|
|
|
|
/**
|
|
* フォローされた数
|
|
*/
|
|
inc: number;
|
|
|
|
/**
|
|
* フォロー解除された数
|
|
*/
|
|
dec: number;
|
|
};
|
|
};
|
|
|
|
remote: FollowingLog['local'];
|
|
};
|
|
|
|
class FollowingStats extends Stats<FollowingLog> {
|
|
constructor() {
|
|
super('following');
|
|
}
|
|
|
|
@autobind
|
|
protected async getTemplate(init: boolean, latestLog?: FollowingLog, group?: any): Promise<FollowingLog> {
|
|
const [localFollowings, localFollowers, remoteFollowings, remoteFollowers] = init ? await Promise.all([
|
|
Following.count({ followerId: group, '_followee.host': null }),
|
|
Following.count({ followeeId: group, '_user.host': null }),
|
|
Following.count({ followerId: group, '_followee.host': { $ne: null } }),
|
|
Following.count({ followeeId: group, '_user.host': { $ne: null } })
|
|
]) : [
|
|
latestLog ? latestLog.local.followings.total : 0,
|
|
latestLog ? latestLog.local.followers.total : 0,
|
|
latestLog ? latestLog.remote.followings.total : 0,
|
|
latestLog ? latestLog.remote.followers.total : 0
|
|
];
|
|
|
|
return {
|
|
local: {
|
|
followings: {
|
|
total: localFollowings,
|
|
inc: 0,
|
|
dec: 0
|
|
},
|
|
followers: {
|
|
total: localFollowers,
|
|
inc: 0,
|
|
dec: 0
|
|
}
|
|
},
|
|
remote: {
|
|
followings: {
|
|
total: remoteFollowings,
|
|
inc: 0,
|
|
dec: 0
|
|
},
|
|
followers: {
|
|
total: remoteFollowers,
|
|
inc: 0,
|
|
dec: 0
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
@autobind
|
|
public async update(follower: IUser, followee: IUser, isFollow: boolean) {
|
|
const update: Obj = {};
|
|
|
|
update.total = isFollow ? 1 : -1;
|
|
|
|
if (isFollow) {
|
|
update.inc = 1;
|
|
} else {
|
|
update.dec = 1;
|
|
}
|
|
|
|
this.inc({
|
|
[isLocalUser(follower) ? 'local' : 'remote']: { followings: update }
|
|
});
|
|
this.inc({
|
|
[isLocalUser(followee) ? 'local' : 'remote']: { followers: update }
|
|
});
|
|
}
|
|
}
|
|
|
|
export const followingStats = new FollowingStats();
|
|
//#endregion
|