@chevre/domain/lib/repo/reservationNumber.js

Chevre Domain Library for Node.js

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
const createDebug = require("debug");
const moment = require("moment-timezone");
const util = require("util");
const factory = require("../factory");
const debug = createDebug('chevre-domain:repo');
/**
 * Redisリポジトリー
 */
class RedisRepository {
    constructor(redisClient) {
        this.redisClient = redisClient;
    }
    /**
     * 発行する
     */
    publish(params) {
        return __awaiter(this, void 0, void 0, function* () {
            return new Promise((resolve, reject) => {
                // 番号接頭辞は日付と販売者枝番号
                const prefix = util.format('%s-%s', 
                // tslint:disable-next-line:no-magic-numbers
                params.sellerBranchCode, moment(params.reserveDate).tz('Asia/Tokyo').format('YYMMDD'));
                const now = moment();
                // 一日ごとにカウントアップするので、データ保管期間は一日あれば十分
                const TTL = moment(now).add(1, 'day').diff(now, 'seconds');
                debug(`TTL:${TTL} seconds`);
                const key = util.format('%s:%s', RedisRepository.REDIS_KEY_PREFIX, prefix);
                this.redisClient.multi()
                    .incr(key, debug)
                    .expire(key, TTL)
                    .exec((err, results) => {
                    debug('results:', results);
                    // tslint:disable-next-line:no-single-line-block-comment
                    /* istanbul ignore if: please write tests */
                    if (err instanceof Error) {
                        reject(err);
                    }
                    else {
                        // tslint:disable-next-line:no-single-line-block-comment
                        /* istanbul ignore else: please write tests */
                        if (Number.isInteger(results[0])) {
                            const no = results[0];
                            debug('no incremented.', no);
                            resolve(util.format('%s-%s', prefix, 
                            // tslint:disable-next-line:no-magic-numbers
                            (`000000${no}`).slice(-6) // 一販売者につき一日あたり最大1000000件以内の予約想定
                            ));
                        }
                        else {
                            // 基本的にありえないフロー
                            reject(new factory.errors.ServiceUnavailable('Reservation number not published'));
                        }
                    }
                });
            });
        });
    }
}
RedisRepository.REDIS_KEY_PREFIX = 'chevre:reservationNumber';
exports.RedisRepository = RedisRepository;