public-pool/src/ORM/address-settings/address-settings.service.ts

import { Injectable } from '@nestjs/common';
import { InjectRepository } from '@nestjs/typeorm';
import { Repository } from 'typeorm';

import { AddressSettingsEntity } from './address-settings.entity';

@Injectable()
export class AddressSettingsService {

    constructor(
        @InjectRepository(AddressSettingsEntity)
        private addressSettingsRepository: Repository<AddressSettingsEntity>
    ) {

    }

    public async getSettings(address: string) {
        const settings = await this.addressSettingsRepository.findOne({ where: { address } });
        if (settings == null) {
            return await this.createNew(address);
        }
        return settings;
    }

    public async updateBestDifficulty(address: string, bestDifficulty: number) {
        return await this.addressSettingsRepository.update({ address }, { bestDifficulty });
    }

    public async createNew(address: string) {
        return await this.addressSettingsRepository.save({ address });
    }

    public async addShares(address: string, shares: number) {
        return await this.addressSettingsRepository.createQueryBuilder()
            .update(AddressSettingsEntity)
            .set({
                shares: () => `"shares" + ${shares}` // Use the actual value of shares here
            })
            .where('address = :address', { address })
            .execute();
    }

    public async resetBestDifficultyAndShares() {
        return await this.addressSettingsRepository.update({}, {
            shares: 0,
            bestDifficulty: 0
        });
    }
}