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import {CommandHandler} from '@nestjs/cqrs'; |
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import {Inject} from '@nestjs/common'; |
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import {UpdateCustomerCommand} from './UpdateCustomerCommand'; |
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import {ICustomerRepository} from 'src/Domain/Customer/Repository/ICustomerRepository'; |
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import {CustomerNotFoundException} from 'src/Domain/Customer/Exception/CustomerNotFoundException'; |
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import {IsCustomerAlreadyExist} from 'src/Domain/Customer/Specification/IsCustomerAlreadyExist'; |
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import {CustomerAlreadyExistException} from 'src/Domain/Customer/Exception/CustomerAlreadyExistException'; |
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import {IAddressRepository} from 'src/Domain/Customer/Repository/IAddressRepository'; |
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@CommandHandler(UpdateCustomerCommand) |
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export class UpdateCustomerCommandHandler { |
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constructor( |
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@Inject('ICustomerRepository') |
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private readonly customerRepository: ICustomerRepository, |
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@Inject('IAddressRepository') |
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private readonly addressRepository: IAddressRepository, |
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private readonly isCustomerAlreadyExist: IsCustomerAlreadyExist |
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) {} |
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public async execute(command: UpdateCustomerCommand): Promise<void> { |
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const {id, name, city, street, country, zipCode} = command; |
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const customer = await this.customerRepository.findOneById(id); |
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if (!customer) { |
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throw new CustomerNotFoundException(); |
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} |
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if ( |
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name !== customer.getName() && |
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true === (await this.isCustomerAlreadyExist.isSatisfiedBy(name)) |
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) { |
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throw new CustomerAlreadyExistException(); |
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} |
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const address = customer.getAddress(); |
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customer.updateName(name); |
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address.update(street, city, zipCode, country); |
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await Promise.all([ |
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this.customerRepository.save(customer), |
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this.addressRepository.save(address) |
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]); |
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} |
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} |
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