pos-be/src/modules/queue/domain/usecases/register-queue.manager.ts

76 lines
2.0 KiB
TypeScript

import { Injectable } from '@nestjs/common';
import {
EventTopics,
columnUniques,
validateRelations,
} from 'src/core/strings/constants/interface.constants';
import { BaseCreateManager } from 'src/core/modules/domain/usecase/managers/base-create.manager';
import { STATUS } from 'src/core/strings/constants/base.constants';
import { QueueItemModel, QueueModel } from '../../data/models/queue.model';
import { padCode } from 'src/modules/transaction/vip-code/domain/usecases/managers/helpers/generate-random.helper';
import { QueueBucketReadService } from '../../data/services/queue-bucket';
import { ItemModel } from 'src/modules/item-related/item/data/models/item.model';
@Injectable()
export class RegisterQueueManager extends BaseCreateManager<QueueModel> {
constructor(private readonly bucketService: QueueBucketReadService) {
super();
}
async averageTime(): Promise<number> {
const item = await this.getItemMaster();
return item.play_estimation;
}
async beforeProcess(): Promise<void> {
const vip = this.data.vip ?? false;
const item = await this.getItemMaster();
const queueNumber = await this.bucketService.getQueue(
this.data.item_id,
vip,
);
const prefix = vip ? 'B' : 'A';
const code = `${prefix}${padCode(queueNumber)}`;
Object.assign(this.data, {
status: STATUS.WAITING,
time: new Date().getTime(),
item_queue_id: item.item_queue_id,
vip,
code,
});
return;
}
async getItemMaster(): Promise<ItemModel> {
const queueItem: QueueItemModel = await this.dataService.item.findOne({
relations: ['item'],
where: {
id: this.data.item_id,
},
});
return queueItem.item;
}
async afterProcess(): Promise<void> {
return;
}
get validateRelations(): validateRelations[] {
return [];
}
get uniqueColumns(): columnUniques[] {
return [];
}
get eventTopics(): EventTopics[] {
return [];
}
get entityTarget(): any {
return QueueModel;
}
}