v0.1
This commit is contained in:
266
internal/domains/user/services/contract_aggregate_service.go
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266
internal/domains/user/services/contract_aggregate_service.go
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package services
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import (
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"context"
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"fmt"
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"tyapi-server/internal/domains/user/entities"
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"tyapi-server/internal/domains/user/repositories"
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"go.uber.org/zap"
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)
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// ContractAggregateService 合同信息聚合服务接口
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type ContractAggregateService interface {
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// 聚合根生命周期管理
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CreateContract(ctx context.Context, enterpriseInfoID, userID, contractName string, contractType entities.ContractType, contractFileID, contractFileURL string) (*entities.ContractInfo, error)
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LoadContract(ctx context.Context, contractID string) (*entities.ContractInfo, error)
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SaveContract(ctx context.Context, contract *entities.ContractInfo) error
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DeleteContract(ctx context.Context, contractID string) error
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// 查询方法
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FindByEnterpriseInfoID(ctx context.Context, enterpriseInfoID string) ([]*entities.ContractInfo, error)
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FindByUserID(ctx context.Context, userID string) ([]*entities.ContractInfo, error)
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FindByContractType(ctx context.Context, enterpriseInfoID string, contractType entities.ContractType) ([]*entities.ContractInfo, error)
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ExistsByContractFileID(ctx context.Context, contractFileID string) (bool, error)
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// 业务规则验证
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ValidateBusinessRules(ctx context.Context, contract *entities.ContractInfo) error
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}
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// ContractAggregateServiceImpl 合同信息聚合服务实现
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type ContractAggregateServiceImpl struct {
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contractRepo repositories.ContractInfoRepository
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logger *zap.Logger
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}
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// NewContractAggregateService 创建合同信息聚合服务
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func NewContractAggregateService(
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contractRepo repositories.ContractInfoRepository,
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logger *zap.Logger,
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) ContractAggregateService {
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return &ContractAggregateServiceImpl{
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contractRepo: contractRepo,
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logger: logger,
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}
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}
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// ================ 聚合根生命周期管理 ================
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// CreateContract 创建合同信息
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func (s *ContractAggregateServiceImpl) CreateContract(
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ctx context.Context,
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enterpriseInfoID, userID, contractName string,
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contractType entities.ContractType,
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contractFileID, contractFileURL string,
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) (*entities.ContractInfo, error) {
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s.logger.Debug("创建合同信息",
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zap.String("enterprise_info_id", enterpriseInfoID),
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zap.String("user_id", userID),
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zap.String("contract_name", contractName),
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zap.String("contract_type", string(contractType)))
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// 1. 检查合同文件ID是否已存在
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exists, err := s.ExistsByContractFileID(ctx, contractFileID)
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if err != nil {
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return nil, fmt.Errorf("检查合同文件ID失败: %w", err)
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}
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if exists {
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return nil, fmt.Errorf("合同文件ID已存在")
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}
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// 2. 创建合同信息聚合根
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contract, err := entities.NewContractInfo(enterpriseInfoID, userID, contractName, contractType, contractFileID, contractFileURL)
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if err != nil {
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return nil, fmt.Errorf("创建合同信息失败: %w", err)
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}
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// 3. 验证业务规则
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if err := s.ValidateBusinessRules(ctx, contract); err != nil {
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return nil, fmt.Errorf("业务规则验证失败: %w", err)
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}
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// 4. 保存聚合根
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err = s.SaveContract(ctx, contract)
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if err != nil {
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return nil, fmt.Errorf("保存合同信息失败: %w", err)
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}
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s.logger.Info("合同信息创建成功",
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zap.String("contract_id", contract.ID),
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zap.String("enterprise_info_id", enterpriseInfoID),
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zap.String("contract_name", contractName))
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return contract, nil
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}
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// LoadContract 加载合同信息
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func (s *ContractAggregateServiceImpl) LoadContract(ctx context.Context, contractID string) (*entities.ContractInfo, error) {
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s.logger.Debug("加载合同信息", zap.String("contract_id", contractID))
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contract, err := s.contractRepo.FindByID(ctx, contractID)
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if err != nil {
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s.logger.Error("加载合同信息失败", zap.Error(err))
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return nil, fmt.Errorf("加载合同信息失败: %w", err)
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}
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if contract == nil {
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return nil, fmt.Errorf("合同信息不存在")
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}
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return contract, nil
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}
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// SaveContract 保存合同信息
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func (s *ContractAggregateServiceImpl) SaveContract(ctx context.Context, contract *entities.ContractInfo) error {
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s.logger.Debug("保存合同信息", zap.String("contract_id", contract.ID))
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// 1. 验证业务规则
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if err := s.ValidateBusinessRules(ctx, contract); err != nil {
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return fmt.Errorf("业务规则验证失败: %w", err)
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}
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// 2. 保存聚合根
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err := s.contractRepo.Save(ctx, contract)
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if err != nil {
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s.logger.Error("保存合同信息失败", zap.Error(err))
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return fmt.Errorf("保存合同信息失败: %w", err)
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}
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// 3. 发布领域事件
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// TODO: 实现领域事件发布机制
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// 4. 清除领域事件
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contract.ClearDomainEvents()
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s.logger.Info("合同信息保存成功", zap.String("contract_id", contract.ID))
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return nil
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}
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// DeleteContract 删除合同信息
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func (s *ContractAggregateServiceImpl) DeleteContract(ctx context.Context, contractID string) error {
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s.logger.Debug("删除合同信息", zap.String("contract_id", contractID))
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// 1. 加载合同信息
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contract, err := s.LoadContract(ctx, contractID)
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if err != nil {
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return fmt.Errorf("加载合同信息失败: %w", err)
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}
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// 2. 调用聚合根方法删除
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err = contract.DeleteContract()
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if err != nil {
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return fmt.Errorf("删除合同信息失败: %w", err)
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}
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// 3. 保存聚合根（软删除）
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err = s.SaveContract(ctx, contract)
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if err != nil {
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return fmt.Errorf("保存删除状态失败: %w", err)
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}
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s.logger.Info("合同信息删除成功", zap.String("contract_id", contractID))
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return nil
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}
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// ================ 查询方法 ================
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// FindByEnterpriseInfoID 根据企业信息ID查找合同
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func (s *ContractAggregateServiceImpl) FindByEnterpriseInfoID(ctx context.Context, enterpriseInfoID string) ([]*entities.ContractInfo, error) {
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s.logger.Debug("根据企业信息ID查找合同", zap.String("enterprise_info_id", enterpriseInfoID))
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contracts, err := s.contractRepo.FindByEnterpriseInfoID(ctx, enterpriseInfoID)
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if err != nil {
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s.logger.Error("查找合同失败", zap.Error(err))
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return nil, fmt.Errorf("查找合同失败: %w", err)
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}
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return contracts, nil
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}
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// FindByUserID 根据用户ID查找合同
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func (s *ContractAggregateServiceImpl) FindByUserID(ctx context.Context, userID string) ([]*entities.ContractInfo, error) {
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s.logger.Debug("根据用户ID查找合同", zap.String("user_id", userID))
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contracts, err := s.contractRepo.FindByUserID(ctx, userID)
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if err != nil {
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s.logger.Error("查找合同失败", zap.Error(err))
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return nil, fmt.Errorf("查找合同失败: %w", err)
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}
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return contracts, nil
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}
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// FindByContractType 根据合同类型查找合同
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func (s *ContractAggregateServiceImpl) FindByContractType(ctx context.Context, enterpriseInfoID string, contractType entities.ContractType) ([]*entities.ContractInfo, error) {
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s.logger.Debug("根据合同类型查找合同",
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zap.String("enterprise_info_id", enterpriseInfoID),
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zap.String("contract_type", string(contractType)))
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contracts, err := s.contractRepo.FindByContractType(ctx, enterpriseInfoID, contractType)
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if err != nil {
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s.logger.Error("查找合同失败", zap.Error(err))
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return nil, fmt.Errorf("查找合同失败: %w", err)
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}
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return contracts, nil
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}
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// ExistsByContractFileID 检查合同文件ID是否存在
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func (s *ContractAggregateServiceImpl) ExistsByContractFileID(ctx context.Context, contractFileID string) (bool, error) {
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s.logger.Debug("检查合同文件ID是否存在", zap.String("contract_file_id", contractFileID))
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exists, err := s.contractRepo.ExistsByContractFileID(ctx, contractFileID)
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if err != nil {
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s.logger.Error("检查合同文件ID失败", zap.Error(err))
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return false, fmt.Errorf("检查合同文件ID失败: %w", err)
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}
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return exists, nil
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}
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// ================ 业务规则验证 ================
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// ValidateBusinessRules 验证业务规则
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func (s *ContractAggregateServiceImpl) ValidateBusinessRules(ctx context.Context, contract *entities.ContractInfo) error {
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// 1. 实体级验证
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if err := contract.ValidateBusinessRules(); err != nil {
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return fmt.Errorf("实体级验证失败: %w", err)
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}
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// 2. 跨聚合根级验证
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if err := s.validateCrossAggregateRules(ctx, contract); err != nil {
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return fmt.Errorf("跨聚合根级验证失败: %w", err)
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}
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// 3. 领域级验证
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if err := s.validateDomainRules(ctx, contract); err != nil {
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return fmt.Errorf("领域级验证失败: %w", err)
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}
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return nil
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}
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// validateCrossAggregateRules 跨聚合根级验证
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func (s *ContractAggregateServiceImpl) validateCrossAggregateRules(ctx context.Context, contract *entities.ContractInfo) error {
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// 检查合同文件ID唯一性（排除当前合同）
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if contract.ID != "" {
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exists, err := s.contractRepo.ExistsByContractFileIDExcludeID(ctx, contract.ContractFileID, contract.ID)
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if err != nil {
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return fmt.Errorf("检查合同文件ID唯一性失败: %w", err)
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}
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if exists {
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return fmt.Errorf("合同文件ID已存在")
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}
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}
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return nil
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}
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// validateDomainRules 领域级验证
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func (s *ContractAggregateServiceImpl) validateDomainRules(ctx context.Context, contract *entities.ContractInfo) error {
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// 可以添加领域级别的业务规则验证
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// 例如：检查企业是否已认证、检查用户权限等
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return nil
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}
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