2018-10-23 05:36:35 +09:00
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/**
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* チャートエンジン
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*/
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2018-11-10 23:25:09 +09:00
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import * as moment from 'moment';
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2019-02-01 21:08:49 +09:00
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import * as nestedProperty from 'nested-property';
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2018-10-23 05:36:35 +09:00
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import autobind from 'autobind-decorator';
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import * as mongo from 'mongodb';
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2019-02-08 04:31:33 +09:00
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import db from '../../db/mongodb';
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2018-10-23 05:36:35 +09:00
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import { ICollection } from 'monk';
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2019-03-02 18:51:59 +09:00
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import Logger from '../logger';
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2019-02-24 17:28:51 +09:00
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import { Schema } from '../../misc/schema';
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2019-02-03 13:52:21 +09:00
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const logger = new Logger('chart');
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2018-10-23 05:36:35 +09:00
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2018-11-10 23:25:09 +09:00
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const utc = moment.utc;
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2018-10-23 05:36:35 +09:00
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export type Obj = { [key: string]: any };
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export 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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2019-02-04 18:27:45 +09:00
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[P in keyof T]: T[P] extends number ? T[P][] : ArrayValue<T[P]>;
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2018-10-23 05:36:35 +09:00
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};
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type Span = 'day' | 'hour';
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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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2019-02-05 01:52:09 +09:00
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export default abstract class Chart<T extends Obj> {
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2018-10-23 05:36:35 +09:00
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protected collection: ICollection<Log<T>>;
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protected abstract async getTemplate(init: boolean, latest?: T, group?: any): Promise<T>;
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2019-02-03 13:52:21 +09:00
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private name: string;
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2018-10-23 05:36:35 +09:00
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constructor(name: string, grouped = false) {
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2019-02-03 13:52:21 +09:00
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this.name = name;
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2018-10-23 05:36:35 +09:00
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this.collection = db.get<Log<T>>(`chart.${name}`);
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2019-02-03 13:52:21 +09:00
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2018-12-09 18:39:13 +09:00
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const keys = {
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span: -1,
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date: -1
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2018-12-15 20:54:34 +09:00
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} as { [key: string]: 1 | -1; };
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2018-12-11 20:33:52 +09:00
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if (grouped) keys.group = -1;
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2019-02-03 13:52:21 +09:00
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2018-12-09 18:39:13 +09:00
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this.collection.createIndex(keys, { unique: true });
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2018-10-23 05:36:35 +09:00
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}
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@autobind
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private convertQuery(x: Obj, path: string): Obj {
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const query: Obj = {};
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const dive = (x: Obj, path: string) => {
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2018-12-11 20:36:55 +09:00
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for (const [k, v] of Object.entries(x)) {
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2018-10-23 05:36:35 +09:00
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const p = path ? `${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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2018-12-11 20:36:55 +09:00
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}
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2018-10-23 05:36:35 +09:00
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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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2018-10-25 16:10:48 +09:00
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private getCurrentDate(): [number, number, number, number] {
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2018-11-10 23:25:09 +09:00
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const now = moment().utc();
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2018-10-25 16:10:48 +09:00
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2018-11-10 23:25:09 +09:00
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const y = now.year();
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const m = now.month();
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const d = now.date();
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const h = now.hour();
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2018-10-23 05:36:35 +09:00
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2018-10-25 16:10:48 +09:00
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return [y, m, d, h];
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}
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@autobind
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private getLatestLog(span: Span, group?: any): Promise<Log<T>> {
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return 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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}
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@autobind
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private async getCurrentLog(span: Span, group?: any): Promise<Log<T>> {
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const [y, m, d, h] = this.getCurrentDate();
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2018-10-23 05:36:35 +09:00
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const current =
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2018-11-10 23:25:09 +09:00
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span == 'day' ? utc([y, m, d]) :
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span == 'hour' ? utc([y, m, d, h]) :
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2018-10-23 05:36:35 +09:00
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null;
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// 現在(今日または今のHour)のログ
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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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2018-11-10 23:25:09 +09:00
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date: current.toDate()
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2018-10-23 05:36:35 +09:00
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});
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2018-10-25 16:10:48 +09:00
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// ログがあればそれを返して終了
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if (currentLog != null) {
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2018-10-23 05:36:35 +09:00
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return currentLog;
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}
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2018-10-25 16:10:48 +09:00
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let log: Log<T>;
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let data: T;
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2018-10-23 05:36:35 +09:00
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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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// 最も最近のログを持ってくる
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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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// * ログ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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2018-10-25 16:10:48 +09:00
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const latest = await this.getLatestLog(span, group);
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2018-10-23 05:36:35 +09:00
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2018-10-25 16:10:48 +09:00
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if (latest != null) {
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// 空ログデータを作成
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data = await this.getTemplate(false, latest.data);
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2018-10-23 05:36:35 +09:00
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} else {
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// ログが存在しなかったら
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2018-10-25 16:10:48 +09:00
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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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// または何らかの理由でチャートコレクションを抹消した場合)
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2018-10-23 05:36:35 +09:00
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2018-10-25 16:10:48 +09:00
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// 初期ログデータを作成
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data = await this.getTemplate(true, null, group);
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2019-02-03 13:52:21 +09:00
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logger.info(`${this.name}: Initial commit created`);
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2018-10-25 16:10:48 +09:00
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}
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2018-10-23 05:36:35 +09:00
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2018-10-25 16:10:48 +09:00
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try {
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// 新規ログ挿入
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log = await this.collection.insert({
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2018-10-23 05:36:35 +09:00
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group: group,
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span: span,
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2018-11-10 23:25:09 +09:00
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date: current.toDate(),
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2018-10-23 05:36:35 +09:00
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data: data
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});
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2018-10-25 16:10:48 +09:00
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} catch (e) {
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// 11000 is duplicate key error
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// 並列動作している他のチャートエンジンプロセスと処理が重なる場合がある
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// その場合は再度最も新しいログを持ってくる
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if (e.code === 11000) {
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log = await this.getLatestLog(span, group);
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} else {
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2019-02-03 18:16:57 +09:00
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logger.error(e);
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2018-10-25 16:10:48 +09:00
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throw e;
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}
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2018-10-23 05:36:35 +09:00
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}
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2018-10-25 16:10:48 +09:00
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return log;
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2018-10-23 05:36:35 +09:00
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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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2018-10-25 16:10:48 +09:00
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// ログ更新
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2018-10-23 05:36:35 +09:00
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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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2018-10-25 16:10:48 +09:00
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const [y, m, d, h] = this.getCurrentDate();
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2018-10-23 05:36:35 +09:00
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const gt =
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2018-11-11 12:43:35 +09:00
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span == 'day' ? utc([y, m, d]).subtract(range, 'days') :
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span == 'hour' ? utc([y, m, d, h]).subtract(range, 'hours') :
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2018-10-25 16:10:48 +09:00
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null;
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2018-10-23 05:36:35 +09:00
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2018-10-25 16:10:48 +09:00
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// ログ取得
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2018-11-03 11:36:11 +09:00
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let logs = await this.collection.find({
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2018-10-23 05:36:35 +09:00
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group: group,
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span: span,
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date: {
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2018-11-11 13:08:48 +09:00
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$gte: gt.toDate()
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2018-10-23 05:36:35 +09:00
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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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2018-11-03 11:36:11 +09:00
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// 要求された範囲にログがひとつもなかったら
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if (logs.length == 0) {
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// もっとも新しいログを持ってくる
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// (すくなくともひとつログが無いと隙間埋めできないため)
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const recentLog = 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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fields: {
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_id: 0
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}
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});
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if (recentLog) {
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logs = [recentLog];
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}
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2018-11-11 13:08:48 +09:00
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// 要求された範囲の最も古い箇所に位置するログが存在しなかったら
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} else if (!utc(logs[logs.length - 1].date).isSame(gt)) {
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// 要求された範囲の最も古い箇所時点での最も新しいログを持ってきて末尾に追加する
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// (隙間埋めできないため)
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const outdatedLog = await this.collection.findOne({
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group: group,
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span: span,
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date: {
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$lt: gt.toDate()
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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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if (outdatedLog) {
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logs.push(outdatedLog);
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}
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2018-11-03 11:36:11 +09:00
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}
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2018-10-25 16:10:48 +09:00
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// 整形
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2018-10-23 05:36:35 +09:00
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for (let i = (range - 1); i >= 0; i--) {
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const current =
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2018-11-11 12:43:35 +09:00
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span == 'day' ? utc([y, m, d]).subtract(i, 'days') :
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span == 'hour' ? utc([y, m, d, h]).subtract(i, 'hours') :
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2018-10-23 05:36:35 +09:00
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null;
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2018-11-10 23:25:09 +09:00
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const log = logs.find(l => utc(l.date).isSame(current));
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2018-10-23 05:36:35 +09:00
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if (log) {
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promisedChart.unshift(Promise.resolve(log.data));
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2018-10-25 16:10:48 +09:00
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} else {
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// 隙間埋め
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2018-11-10 23:25:09 +09:00
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const latest = logs.find(l => utc(l.date).isBefore(current));
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2018-10-23 05:36:35 +09:00
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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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/**
|
2019-01-18 19:48:16 +09:00
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* [{ foo: 1, bar: 5 }, { foo: 2, bar: 6 }, { foo: 3, bar: 7 }]
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2018-10-23 05:36:35 +09:00
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* を
|
2019-01-18 19:48:16 +09:00
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* { foo: [1, 2, 3], bar: [5, 6, 7] }
|
2018-10-23 05:36:35 +09:00
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* にする
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|
*/
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|
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const dive = (x: Obj, path?: string) => {
|
2018-12-11 20:36:55 +09:00
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|
for (const [k, v] of Object.entries(x)) {
|
2018-10-23 05:36:35 +09:00
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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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}
|
2018-12-11 20:36:55 +09:00
|
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|
}
|
2018-10-23 05:36:35 +09:00
|
|
|
};
|
|
|
|
|
|
|
|
dive(chart[0]);
|
|
|
|
|
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|
|
return res;
|
|
|
|
}
|
|
|
|
}
|
2019-02-24 09:45:27 +09:00
|
|
|
|
|
|
|
export function convertLog(logSchema: Schema): Schema {
|
|
|
|
const v: Schema = JSON.parse(JSON.stringify(logSchema)); // copy
|
|
|
|
if (v.type === 'number') {
|
|
|
|
v.type = 'array';
|
|
|
|
v.items = {
|
|
|
|
type: 'number'
|
|
|
|
};
|
|
|
|
} else if (v.type === 'object') {
|
|
|
|
for (const k of Object.keys(v.properties)) {
|
|
|
|
v.properties[k] = convertLog(v.properties[k]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return v;
|
|
|
|
}
|