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batch insert

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This commit is contained in:
Ben 2023-12-01 22:08:08 -05:00
parent c6885abd71
commit 8075c83fe2
1 changed files with 26 additions and 3 deletions
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29
src/ORM/client/client.service.ts
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@ -1,6 +1,8 @@
import { Injectable } from '@nestjs/common';
import { Interval } from '@nestjs/schedule';
import { InjectRepository } from '@nestjs/typeorm';
import { Repository } from 'typeorm';
import { BehaviorSubject, firstValueFrom } from 'rxjs';
import { ObjectLiteral, Repository } from 'typeorm';
import { ClientEntity } from './client.entity';
@ -10,6 +12,8 @@ import { ClientEntity } from './client.entity';
export class ClientService {
public insertQueue: { result: BehaviorSubject<ObjectLiteral | null>, partialClient: Partial<ClientEntity> }[] = [];
constructor(
@InjectRepository(ClientEntity)
@ -18,6 +22,17 @@ export class ClientService {
}
@Interval(1000 * 5)
public async insertClients() {
const queueCopy = [...this.insertQueue];
this.insertQueue = [];
const results = await this.clientRepository.insert(queueCopy.map(c => c.partialClient));
queueCopy.forEach((c, index) => {
c.result.next(results.generatedMaps[index]);
});
}
public async killDeadClients() {
var fiveMinutes = new Date(new Date().getTime() - (5 * 60 * 1000)).toISOString();
@ -40,11 +55,19 @@ export class ClientService {
public async insert(partialClient: Partial<ClientEntity>): Promise<ClientEntity> {
const insertResult = await this.clientRepository.insert(partialClient);
const result = new BehaviorSubject(null);
this.insertQueue.push({ result, partialClient });
// const insertResult = await this.clientRepository.insert(partialClient);
const generatedMap = await firstValueFrom(result);
const client = {
...partialClient,
...insertResult.generatedMaps[0]
...generatedMap
};
return client as ClientEntity;