v1.0.0
This commit is contained in:
750
internal/application/finance/invoice_application_service.go
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750
internal/application/finance/invoice_application_service.go
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@@ -0,0 +1,750 @@
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package finance
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import (
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"context"
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"fmt"
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"mime/multipart"
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"time"
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"tyapi-server/internal/application/finance/dto"
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"tyapi-server/internal/domains/finance/entities"
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finance_repo "tyapi-server/internal/domains/finance/repositories"
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"tyapi-server/internal/domains/finance/services"
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"tyapi-server/internal/domains/finance/value_objects"
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user_repo "tyapi-server/internal/domains/user/repositories"
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user_service "tyapi-server/internal/domains/user/services"
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"tyapi-server/internal/infrastructure/external/storage"
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"github.com/shopspring/decimal"
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"go.uber.org/zap"
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)
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// ==================== 用户端发票应用服务 ====================
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// InvoiceApplicationService 发票应用服务接口
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// 职责：跨域协调、数据聚合、事务管理、外部服务调用
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type InvoiceApplicationService interface {
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// ApplyInvoice 申请开票
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ApplyInvoice(ctx context.Context, userID string, req ApplyInvoiceRequest) (*dto.InvoiceApplicationResponse, error)
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// GetUserInvoiceInfo 获取用户发票信息
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GetUserInvoiceInfo(ctx context.Context, userID string) (*dto.InvoiceInfoResponse, error)
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// UpdateUserInvoiceInfo 更新用户发票信息
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UpdateUserInvoiceInfo(ctx context.Context, userID string, req UpdateInvoiceInfoRequest) error
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// GetUserInvoiceRecords 获取用户开票记录
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GetUserInvoiceRecords(ctx context.Context, userID string, req GetInvoiceRecordsRequest) (*dto.InvoiceRecordsResponse, error)
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// DownloadInvoiceFile 下载发票文件
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DownloadInvoiceFile(ctx context.Context, userID string, applicationID string) (*dto.FileDownloadResponse, error)
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// GetAvailableAmount 获取可开票金额
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GetAvailableAmount(ctx context.Context, userID string) (*dto.AvailableAmountResponse, error)
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}
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// InvoiceApplicationServiceImpl 发票应用服务实现
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type InvoiceApplicationServiceImpl struct {
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// 仓储层依赖
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invoiceRepo finance_repo.InvoiceApplicationRepository
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userInvoiceInfoRepo finance_repo.UserInvoiceInfoRepository
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userRepo user_repo.UserRepository
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rechargeRecordRepo finance_repo.RechargeRecordRepository
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walletRepo finance_repo.WalletRepository
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// 领域服务依赖
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invoiceDomainService services.InvoiceDomainService
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invoiceAggregateService services.InvoiceAggregateService
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userInvoiceInfoService services.UserInvoiceInfoService
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userAggregateService user_service.UserAggregateService
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// 外部服务依赖
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storageService *storage.QiNiuStorageService
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logger *zap.Logger
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}
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// NewInvoiceApplicationService 创建发票应用服务
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func NewInvoiceApplicationService(
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invoiceRepo finance_repo.InvoiceApplicationRepository,
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userInvoiceInfoRepo finance_repo.UserInvoiceInfoRepository,
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userRepo user_repo.UserRepository,
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userAggregateService user_service.UserAggregateService,
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rechargeRecordRepo finance_repo.RechargeRecordRepository,
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walletRepo finance_repo.WalletRepository,
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invoiceDomainService services.InvoiceDomainService,
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invoiceAggregateService services.InvoiceAggregateService,
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userInvoiceInfoService services.UserInvoiceInfoService,
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storageService *storage.QiNiuStorageService,
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logger *zap.Logger,
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) InvoiceApplicationService {
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return &InvoiceApplicationServiceImpl{
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invoiceRepo: invoiceRepo,
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userInvoiceInfoRepo: userInvoiceInfoRepo,
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userRepo: userRepo,
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userAggregateService: userAggregateService,
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rechargeRecordRepo: rechargeRecordRepo,
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walletRepo: walletRepo,
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invoiceDomainService: invoiceDomainService,
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invoiceAggregateService: invoiceAggregateService,
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userInvoiceInfoService: userInvoiceInfoService,
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storageService: storageService,
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logger: logger,
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}
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}
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// ApplyInvoice 申请开票
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func (s *InvoiceApplicationServiceImpl) ApplyInvoice(ctx context.Context, userID string, req ApplyInvoiceRequest) (*dto.InvoiceApplicationResponse, error) {
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// 1. 验证用户是否存在
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user, err := s.userRepo.GetByID(ctx, userID)
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if err != nil {
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return nil, err
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}
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if user.ID == "" {
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return nil, fmt.Errorf("用户不存在")
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}
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// 2. 验证发票类型
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invoiceType := value_objects.InvoiceType(req.InvoiceType)
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if !invoiceType.IsValid() {
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return nil, fmt.Errorf("无效的发票类型")
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}
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// 3. 获取用户企业认证信息
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userWithEnterprise, err := s.userAggregateService.GetUserWithEnterpriseInfo(ctx, userID)
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if err != nil {
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return nil, fmt.Errorf("获取用户企业认证信息失败: %w", err)
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}
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// 4. 检查用户是否有企业认证信息
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if userWithEnterprise.EnterpriseInfo == nil {
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return nil, fmt.Errorf("用户未完成企业认证，无法申请开票")
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}
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// 5. 获取用户开票信息
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userInvoiceInfo, err := s.userInvoiceInfoService.GetUserInvoiceInfoWithEnterpriseInfo(
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ctx,
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userID,
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userWithEnterprise.EnterpriseInfo.CompanyName,
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userWithEnterprise.EnterpriseInfo.UnifiedSocialCode,
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)
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if err != nil {
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return nil, err
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}
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// 6. 验证开票信息完整性
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invoiceInfo := value_objects.NewInvoiceInfo(
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userInvoiceInfo.CompanyName,
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userInvoiceInfo.TaxpayerID,
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userInvoiceInfo.BankName,
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userInvoiceInfo.BankAccount,
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userInvoiceInfo.CompanyAddress,
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userInvoiceInfo.CompanyPhone,
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userInvoiceInfo.ReceivingEmail,
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)
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if err := s.userInvoiceInfoService.ValidateInvoiceInfo(ctx, invoiceInfo, invoiceType); err != nil {
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return nil, err
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}
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// 7. 计算可开票金额
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availableAmount, err := s.calculateAvailableAmount(ctx, userID)
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if err != nil {
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return nil, fmt.Errorf("计算可开票金额失败: %w", err)
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}
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// 8. 验证开票金额
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amount, err := decimal.NewFromString(req.Amount)
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if err != nil {
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return nil, fmt.Errorf("无效的金额格式: %w", err)
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}
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if err := s.invoiceDomainService.ValidateInvoiceAmount(ctx, amount, availableAmount); err != nil {
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return nil, err
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}
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// 9. 调用聚合服务申请开票
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aggregateReq := services.ApplyInvoiceRequest{
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InvoiceType: invoiceType,
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Amount: req.Amount,
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InvoiceInfo: invoiceInfo,
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}
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application, err := s.invoiceAggregateService.ApplyInvoice(ctx, userID, aggregateReq)
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if err != nil {
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return nil, err
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}
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// 10. 构建响应DTO
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return &dto.InvoiceApplicationResponse{
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ID: application.ID,
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UserID: application.UserID,
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InvoiceType: application.InvoiceType,
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Amount: application.Amount,
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Status: application.Status,
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InvoiceInfo: invoiceInfo,
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CreatedAt: application.CreatedAt,
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}, nil
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}
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// GetUserInvoiceInfo 获取用户发票信息
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func (s *InvoiceApplicationServiceImpl) GetUserInvoiceInfo(ctx context.Context, userID string) (*dto.InvoiceInfoResponse, error) {
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// 1. 获取用户企业认证信息
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user, err := s.userAggregateService.GetUserWithEnterpriseInfo(ctx, userID)
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if err != nil {
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return nil, fmt.Errorf("获取用户企业认证信息失败: %w", err)
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}
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// 2. 获取企业认证信息
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var companyName, taxpayerID string
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var companyNameReadOnly, taxpayerIDReadOnly bool
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if user.EnterpriseInfo != nil {
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companyName = user.EnterpriseInfo.CompanyName
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taxpayerID = user.EnterpriseInfo.UnifiedSocialCode
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companyNameReadOnly = true
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taxpayerIDReadOnly = true
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}
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// 3. 获取用户开票信息（包含企业认证信息）
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userInvoiceInfo, err := s.userInvoiceInfoService.GetUserInvoiceInfoWithEnterpriseInfo(ctx, userID, companyName, taxpayerID)
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if err != nil {
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return nil, err
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}
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// 4. 构建响应DTO
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return &dto.InvoiceInfoResponse{
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CompanyName: userInvoiceInfo.CompanyName,
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TaxpayerID: userInvoiceInfo.TaxpayerID,
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BankName: userInvoiceInfo.BankName,
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BankAccount: userInvoiceInfo.BankAccount,
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CompanyAddress: userInvoiceInfo.CompanyAddress,
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CompanyPhone: userInvoiceInfo.CompanyPhone,
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ReceivingEmail: userInvoiceInfo.ReceivingEmail,
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IsComplete: userInvoiceInfo.IsComplete(),
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MissingFields: userInvoiceInfo.GetMissingFields(),
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// 字段权限标识
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CompanyNameReadOnly: companyNameReadOnly, // 公司名称只读（从企业认证信息获取）
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TaxpayerIDReadOnly: taxpayerIDReadOnly, // 纳税人识别号只读（从企业认证信息获取）
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}, nil
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}
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// UpdateUserInvoiceInfo 更新用户发票信息
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func (s *InvoiceApplicationServiceImpl) UpdateUserInvoiceInfo(ctx context.Context, userID string, req UpdateInvoiceInfoRequest) error {
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// 1. 获取用户企业认证信息
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user, err := s.userAggregateService.GetUserWithEnterpriseInfo(ctx, userID)
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if err != nil {
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return fmt.Errorf("获取用户企业认证信息失败: %w", err)
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}
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// 2. 检查用户是否有企业认证信息
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if user.EnterpriseInfo == nil {
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return fmt.Errorf("用户未完成企业认证，无法创建开票信息")
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}
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// 3. 创建开票信息对象，公司名称和纳税人识别号从企业认证信息中获取
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invoiceInfo := value_objects.NewInvoiceInfo(
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"", // 公司名称将由服务层从企业认证信息中获取
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"", // 纳税人识别号将由服务层从企业认证信息中获取
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req.BankName,
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req.BankAccount,
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req.CompanyAddress,
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req.CompanyPhone,
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req.ReceivingEmail,
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)
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// 4. 使用包含企业认证信息的方法
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_, err = s.userInvoiceInfoService.CreateOrUpdateUserInvoiceInfoWithEnterpriseInfo(
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ctx,
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userID,
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invoiceInfo,
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user.EnterpriseInfo.CompanyName,
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user.EnterpriseInfo.UnifiedSocialCode,
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)
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return err
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}
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// GetUserInvoiceRecords 获取用户开票记录
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func (s *InvoiceApplicationServiceImpl) GetUserInvoiceRecords(ctx context.Context, userID string, req GetInvoiceRecordsRequest) (*dto.InvoiceRecordsResponse, error) {
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// 1. 验证用户是否存在
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user, err := s.userRepo.GetByID(ctx, userID)
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if err != nil {
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return nil, err
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}
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if user.ID == "" {
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return nil, fmt.Errorf("用户不存在")
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}
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// 2. 获取发票申请记录
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var status entities.ApplicationStatus
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if req.Status != "" {
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status = entities.ApplicationStatus(req.Status)
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}
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// 3. 解析时间范围
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var startTime, endTime *time.Time
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if req.StartTime != "" {
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if t, err := time.Parse("2006-01-02 15:04:05", req.StartTime); err == nil {
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startTime = &t
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}
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}
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if req.EndTime != "" {
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if t, err := time.Parse("2006-01-02 15:04:05", req.EndTime); err == nil {
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endTime = &t
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}
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}
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// 4. 获取发票申请记录（需要更新仓储层方法以支持时间筛选）
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applications, total, err := s.invoiceRepo.FindByUserIDAndStatusWithTimeRange(ctx, userID, status, startTime, endTime, req.Page, req.PageSize)
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if err != nil {
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return nil, err
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}
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// 5. 构建响应DTO
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records := make([]*dto.InvoiceRecordResponse, len(applications))
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for i, app := range applications {
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// 使用快照信息（申请时的开票信息）
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records[i] = &dto.InvoiceRecordResponse{
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ID: app.ID,
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UserID: app.UserID,
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InvoiceType: app.InvoiceType,
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Amount: app.Amount,
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Status: app.Status,
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CompanyName: app.CompanyName, // 使用快照的公司名称
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TaxpayerID: app.TaxpayerID, // 使用快照的纳税人识别号
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BankName: app.BankName, // 使用快照的银行名称
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BankAccount: app.BankAccount, // 使用快照的银行账号
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CompanyAddress: app.CompanyAddress, // 使用快照的企业地址
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CompanyPhone: app.CompanyPhone, // 使用快照的企业电话
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ReceivingEmail: app.ReceivingEmail, // 使用快照的接收邮箱
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FileName: app.FileName,
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FileSize: app.FileSize,
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FileURL: app.FileURL,
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ProcessedAt: app.ProcessedAt,
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CreatedAt: app.CreatedAt,
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RejectReason: app.RejectReason,
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}
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}
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return &dto.InvoiceRecordsResponse{
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Records: records,
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Total: total,
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Page: req.Page,
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PageSize: req.PageSize,
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TotalPages: (int(total) + req.PageSize - 1) / req.PageSize,
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}, nil
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}
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// DownloadInvoiceFile 下载发票文件
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func (s *InvoiceApplicationServiceImpl) DownloadInvoiceFile(ctx context.Context, userID string, applicationID string) (*dto.FileDownloadResponse, error) {
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// 1. 查找申请记录
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application, err := s.invoiceRepo.FindByID(ctx, applicationID)
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if err != nil {
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return nil, err
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}
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if application == nil {
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return nil, fmt.Errorf("申请记录不存在")
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}
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// 2. 验证权限（只能下载自己的发票）
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if application.UserID != userID {
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return nil, fmt.Errorf("无权访问此发票")
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}
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// 3. 验证状态（只能下载已完成的发票）
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if application.Status != entities.ApplicationStatusCompleted {
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return nil, fmt.Errorf("发票尚未通过审核")
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}
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// 4. 验证文件信息
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if application.FileURL == nil || *application.FileURL == "" {
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return nil, fmt.Errorf("发票文件不存在")
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}
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// 5. 从七牛云下载文件内容
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fileContent, err := s.storageService.DownloadFile(ctx, *application.FileURL)
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if err != nil {
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return nil, fmt.Errorf("下载文件失败: %w", err)
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}
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// 6. 构建响应DTO
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return &dto.FileDownloadResponse{
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FileID: *application.FileID,
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FileName: *application.FileName,
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FileSize: *application.FileSize,
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FileURL: *application.FileURL,
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FileContent: fileContent,
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}, nil
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}
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// GetAvailableAmount 获取可开票金额
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func (s *InvoiceApplicationServiceImpl) GetAvailableAmount(ctx context.Context, userID string) (*dto.AvailableAmountResponse, error) {
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// 1. 验证用户是否存在
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user, err := s.userRepo.GetByID(ctx, userID)
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if err != nil {
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return nil, err
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}
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if user.ID == "" {
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return nil, fmt.Errorf("用户不存在")
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}
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// 2. 计算可开票金额
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availableAmount, err := s.calculateAvailableAmount(ctx, userID)
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if err != nil {
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return nil, err
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}
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// 3. 获取真实充值金额（支付宝充值+对公转账）和总赠送金额
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realRecharged, totalGifted, totalInvoiced, err := s.getAmountSummary(ctx, userID)
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if err != nil {
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return nil, err
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}
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||||
// 4. 获取待处理申请金额
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||||
pendingAmount, err := s.getPendingApplicationsAmount(ctx, userID)
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if err != nil {
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return nil, err
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||||
}
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||||
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||||
// 5. 构建响应DTO
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||||
return &dto.AvailableAmountResponse{
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AvailableAmount: availableAmount,
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||||
TotalRecharged: realRecharged, // 使用真实充值金额（支付宝充值+对公转账）
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||||
TotalGifted: totalGifted,
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||||
TotalInvoiced: totalInvoiced,
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PendingApplications: pendingAmount,
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}, nil
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||||
}
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||||
|
||||
// calculateAvailableAmount 计算可开票金额（私有方法）
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||||
func (s *InvoiceApplicationServiceImpl) calculateAvailableAmount(ctx context.Context, userID string) (decimal.Decimal, error) {
|
||||
// 1. 获取真实充值金额（支付宝充值+对公转账）和总赠送金额
|
||||
realRecharged, totalGifted, totalInvoiced, err := s.getAmountSummary(ctx, userID)
|
||||
if err != nil {
|
||||
return decimal.Zero, err
|
||||
}
|
||||
|
||||
// 2. 获取待处理中的申请金额
|
||||
pendingAmount, err := s.getPendingApplicationsAmount(ctx, userID)
|
||||
if err != nil {
|
||||
return decimal.Zero, err
|
||||
}
|
||||
fmt.Println("realRecharged", realRecharged)
|
||||
fmt.Println("totalGifted", totalGifted)
|
||||
fmt.Println("totalInvoiced", totalInvoiced)
|
||||
fmt.Println("pendingAmount", pendingAmount)
|
||||
// 3. 计算可开票金额：真实充值金额 - 已开票 - 待处理申请
|
||||
// 可开票金额 = 真实充值金额（支付宝充值+对公转账） - 已开票金额 - 待处理申请金额
|
||||
availableAmount := realRecharged.Sub(totalInvoiced).Sub(pendingAmount)
|
||||
fmt.Println("availableAmount", availableAmount)
|
||||
// 确保可开票金额不为负数
|
||||
if availableAmount.LessThan(decimal.Zero) {
|
||||
availableAmount = decimal.Zero
|
||||
}
|
||||
|
||||
return availableAmount, nil
|
||||
}
|
||||
|
||||
// getAmountSummary 获取金额汇总（私有方法）
|
||||
func (s *InvoiceApplicationServiceImpl) getAmountSummary(ctx context.Context, userID string) (decimal.Decimal, decimal.Decimal, decimal.Decimal, error) {
|
||||
// 1. 获取用户所有成功的充值记录
|
||||
rechargeRecords, err := s.rechargeRecordRepo.GetByUserID(ctx, userID)
|
||||
if err != nil {
|
||||
return decimal.Zero, decimal.Zero, decimal.Zero, fmt.Errorf("获取充值记录失败: %w", err)
|
||||
}
|
||||
|
||||
// 2. 计算真实充值金额（支付宝充值 + 对公转账）和总赠送金额
|
||||
var realRecharged decimal.Decimal // 真实充值金额：支付宝充值 + 对公转账
|
||||
var totalGifted decimal.Decimal // 总赠送金额
|
||||
for _, record := range rechargeRecords {
|
||||
if record.IsSuccess() {
|
||||
if record.RechargeType == entities.RechargeTypeGift {
|
||||
// 赠送金额不计入可开票金额
|
||||
totalGifted = totalGifted.Add(record.Amount)
|
||||
} else if record.RechargeType == entities.RechargeTypeAlipay || record.RechargeType == entities.RechargeTypeTransfer {
|
||||
// 只有支付宝充值和对公转账计入可开票金额
|
||||
realRecharged = realRecharged.Add(record.Amount)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// 3. 获取用户所有发票申请记录（包括待处理、已完成、已拒绝）
|
||||
applications, _, err := s.invoiceRepo.FindByUserID(ctx, userID, 1, 1000) // 获取所有记录
|
||||
if err != nil {
|
||||
return decimal.Zero, decimal.Zero, decimal.Zero, fmt.Errorf("获取发票申请记录失败: %w", err)
|
||||
}
|
||||
|
||||
var totalInvoiced decimal.Decimal
|
||||
for _, application := range applications {
|
||||
// 计算已完成的发票申请金额
|
||||
if application.IsCompleted() {
|
||||
totalInvoiced = totalInvoiced.Add(application.Amount)
|
||||
}
|
||||
// 注意：待处理中的申请金额不计算在已开票金额中，但会在可开票金额计算时被扣除
|
||||
}
|
||||
|
||||
return realRecharged, totalGifted, totalInvoiced, nil
|
||||
}
|
||||
|
||||
// getPendingApplicationsAmount 获取待处理申请的总金额（私有方法）
|
||||
func (s *InvoiceApplicationServiceImpl) getPendingApplicationsAmount(ctx context.Context, userID string) (decimal.Decimal, error) {
|
||||
// 获取用户所有发票申请记录
|
||||
applications, _, err := s.invoiceRepo.FindByUserID(ctx, userID, 1, 1000)
|
||||
if err != nil {
|
||||
return decimal.Zero, fmt.Errorf("获取发票申请记录失败: %w", err)
|
||||
}
|
||||
|
||||
var pendingAmount decimal.Decimal
|
||||
for _, application := range applications {
|
||||
// 只计算待处理状态的申请金额
|
||||
if application.Status == entities.ApplicationStatusPending {
|
||||
pendingAmount = pendingAmount.Add(application.Amount)
|
||||
}
|
||||
}
|
||||
|
||||
return pendingAmount, nil
|
||||
}
|
||||
|
||||
// ==================== 管理员端发票应用服务 ====================
|
||||
|
||||
// AdminInvoiceApplicationService 管理员发票应用服务接口
|
||||
type AdminInvoiceApplicationService interface {
|
||||
// GetPendingApplications 获取发票申请列表（支持筛选）
|
||||
GetPendingApplications(ctx context.Context, req GetPendingApplicationsRequest) (*dto.PendingApplicationsResponse, error)
|
||||
|
||||
// ApproveInvoiceApplication 通过发票申请
|
||||
ApproveInvoiceApplication(ctx context.Context, applicationID string, file multipart.File, req ApproveInvoiceRequest) error
|
||||
|
||||
// RejectInvoiceApplication 拒绝发票申请
|
||||
RejectInvoiceApplication(ctx context.Context, applicationID string, req RejectInvoiceRequest) error
|
||||
|
||||
// DownloadInvoiceFile 下载发票文件（管理员）
|
||||
DownloadInvoiceFile(ctx context.Context, applicationID string) (*dto.FileDownloadResponse, error)
|
||||
}
|
||||
|
||||
// AdminInvoiceApplicationServiceImpl 管理员发票应用服务实现
|
||||
type AdminInvoiceApplicationServiceImpl struct {
|
||||
invoiceRepo finance_repo.InvoiceApplicationRepository
|
||||
userInvoiceInfoRepo finance_repo.UserInvoiceInfoRepository
|
||||
userRepo user_repo.UserRepository
|
||||
invoiceAggregateService services.InvoiceAggregateService
|
||||
storageService *storage.QiNiuStorageService
|
||||
logger *zap.Logger
|
||||
}
|
||||
|
||||
// NewAdminInvoiceApplicationService 创建管理员发票应用服务
|
||||
func NewAdminInvoiceApplicationService(
|
||||
invoiceRepo finance_repo.InvoiceApplicationRepository,
|
||||
userInvoiceInfoRepo finance_repo.UserInvoiceInfoRepository,
|
||||
userRepo user_repo.UserRepository,
|
||||
invoiceAggregateService services.InvoiceAggregateService,
|
||||
storageService *storage.QiNiuStorageService,
|
||||
logger *zap.Logger,
|
||||
) AdminInvoiceApplicationService {
|
||||
return &AdminInvoiceApplicationServiceImpl{
|
||||
invoiceRepo: invoiceRepo,
|
||||
userInvoiceInfoRepo: userInvoiceInfoRepo,
|
||||
userRepo: userRepo,
|
||||
invoiceAggregateService: invoiceAggregateService,
|
||||
storageService: storageService,
|
||||
logger: logger,
|
||||
}
|
||||
}
|
||||
|
||||
// GetPendingApplications 获取发票申请列表（支持筛选）
|
||||
func (s *AdminInvoiceApplicationServiceImpl) GetPendingApplications(ctx context.Context, req GetPendingApplicationsRequest) (*dto.PendingApplicationsResponse, error) {
|
||||
// 1. 解析状态筛选
|
||||
var status entities.ApplicationStatus
|
||||
if req.Status != "" {
|
||||
status = entities.ApplicationStatus(req.Status)
|
||||
}
|
||||
|
||||
// 2. 解析时间范围
|
||||
var startTime, endTime *time.Time
|
||||
if req.StartTime != "" {
|
||||
if t, err := time.Parse("2006-01-02 15:04:05", req.StartTime); err == nil {
|
||||
startTime = &t
|
||||
}
|
||||
}
|
||||
if req.EndTime != "" {
|
||||
if t, err := time.Parse("2006-01-02 15:04:05", req.EndTime); err == nil {
|
||||
endTime = &t
|
||||
}
|
||||
}
|
||||
|
||||
// 3. 获取发票申请记录（支持筛选）
|
||||
var applications []*entities.InvoiceApplication
|
||||
var total int64
|
||||
var err error
|
||||
|
||||
if status != "" {
|
||||
// 按状态筛选
|
||||
applications, total, err = s.invoiceRepo.FindByStatusWithTimeRange(ctx, status, startTime, endTime, req.Page, req.PageSize)
|
||||
} else {
|
||||
// 获取所有记录（按时间筛选）
|
||||
applications, total, err = s.invoiceRepo.FindAllWithTimeRange(ctx, startTime, endTime, req.Page, req.PageSize)
|
||||
}
|
||||
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// 4. 构建响应DTO
|
||||
pendingApplications := make([]*dto.PendingApplicationResponse, len(applications))
|
||||
for i, app := range applications {
|
||||
// 使用快照信息
|
||||
pendingApplications[i] = &dto.PendingApplicationResponse{
|
||||
ID: app.ID,
|
||||
UserID: app.UserID,
|
||||
InvoiceType: app.InvoiceType,
|
||||
Amount: app.Amount,
|
||||
Status: app.Status,
|
||||
CompanyName: app.CompanyName, // 使用快照的公司名称
|
||||
TaxpayerID: app.TaxpayerID, // 使用快照的纳税人识别号
|
||||
BankName: app.BankName, // 使用快照的银行名称
|
||||
BankAccount: app.BankAccount, // 使用快照的银行账号
|
||||
CompanyAddress: app.CompanyAddress, // 使用快照的企业地址
|
||||
CompanyPhone: app.CompanyPhone, // 使用快照的企业电话
|
||||
ReceivingEmail: app.ReceivingEmail, // 使用快照的接收邮箱
|
||||
FileName: app.FileName,
|
||||
FileSize: app.FileSize,
|
||||
FileURL: app.FileURL,
|
||||
ProcessedAt: app.ProcessedAt,
|
||||
CreatedAt: app.CreatedAt,
|
||||
RejectReason: app.RejectReason,
|
||||
}
|
||||
}
|
||||
|
||||
return &dto.PendingApplicationsResponse{
|
||||
Applications: pendingApplications,
|
||||
Total: total,
|
||||
Page: req.Page,
|
||||
PageSize: req.PageSize,
|
||||
TotalPages: (int(total) + req.PageSize - 1) / req.PageSize,
|
||||
}, nil
|
||||
}
|
||||
|
||||
// ApproveInvoiceApplication 通过发票申请
|
||||
func (s *AdminInvoiceApplicationServiceImpl) ApproveInvoiceApplication(ctx context.Context, applicationID string, file multipart.File, req ApproveInvoiceRequest) error {
|
||||
// 1. 验证申请是否存在
|
||||
application, err := s.invoiceRepo.FindByID(ctx, applicationID)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if application == nil {
|
||||
return fmt.Errorf("发票申请不存在")
|
||||
}
|
||||
|
||||
// 2. 验证申请状态
|
||||
if application.Status != entities.ApplicationStatusPending {
|
||||
return fmt.Errorf("发票申请状态不允许处理")
|
||||
}
|
||||
|
||||
// 3. 调用聚合服务处理申请
|
||||
aggregateReq := services.ApproveInvoiceRequest{
|
||||
AdminNotes: req.AdminNotes,
|
||||
}
|
||||
|
||||
return s.invoiceAggregateService.ApproveInvoiceApplication(ctx, applicationID, file, aggregateReq)
|
||||
}
|
||||
|
||||
// RejectInvoiceApplication 拒绝发票申请
|
||||
func (s *AdminInvoiceApplicationServiceImpl) RejectInvoiceApplication(ctx context.Context, applicationID string, req RejectInvoiceRequest) error {
|
||||
// 1. 验证申请是否存在
|
||||
application, err := s.invoiceRepo.FindByID(ctx, applicationID)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if application == nil {
|
||||
return fmt.Errorf("发票申请不存在")
|
||||
}
|
||||
|
||||
// 2. 验证申请状态
|
||||
if application.Status != entities.ApplicationStatusPending {
|
||||
return fmt.Errorf("发票申请状态不允许处理")
|
||||
}
|
||||
|
||||
// 3. 调用聚合服务处理申请
|
||||
aggregateReq := services.RejectInvoiceRequest{
|
||||
Reason: req.Reason,
|
||||
}
|
||||
|
||||
return s.invoiceAggregateService.RejectInvoiceApplication(ctx, applicationID, aggregateReq)
|
||||
}
|
||||
|
||||
// ==================== 请求和响应DTO ====================
|
||||
|
||||
type ApplyInvoiceRequest struct {
|
||||
InvoiceType string `json:"invoice_type" binding:"required"` // 发票类型：general/special
|
||||
Amount string `json:"amount" binding:"required"` // 开票金额
|
||||
}
|
||||
|
||||
type UpdateInvoiceInfoRequest struct {
|
||||
CompanyName string `json:"company_name"` // 公司名称（从企业认证信息获取，用户不可修改）
|
||||
TaxpayerID string `json:"taxpayer_id"` // 纳税人识别号（从企业认证信息获取，用户不可修改）
|
||||
BankName string `json:"bank_name"` // 银行名称
|
||||
CompanyAddress string `json:"company_address"` // 公司地址
|
||||
BankAccount string `json:"bank_account"` // 银行账户
|
||||
CompanyPhone string `json:"company_phone"` // 企业注册电话
|
||||
ReceivingEmail string `json:"receiving_email" binding:"required,email"` // 发票接收邮箱
|
||||
}
|
||||
|
||||
type GetInvoiceRecordsRequest struct {
|
||||
Page int `json:"page"` // 页码
|
||||
PageSize int `json:"page_size"` // 每页数量
|
||||
Status string `json:"status"` // 状态筛选
|
||||
StartTime string `json:"start_time"` // 开始时间 (格式: 2006-01-02 15:04:05)
|
||||
EndTime string `json:"end_time"` // 结束时间 (格式: 2006-01-02 15:04:05)
|
||||
}
|
||||
|
||||
type GetPendingApplicationsRequest struct {
|
||||
Page int `json:"page"` // 页码
|
||||
PageSize int `json:"page_size"` // 每页数量
|
||||
Status string `json:"status"` // 状态筛选：pending/completed/rejected
|
||||
StartTime string `json:"start_time"` // 开始时间 (格式: 2006-01-02 15:04:05)
|
||||
EndTime string `json:"end_time"` // 结束时间 (格式: 2006-01-02 15:04:05)
|
||||
}
|
||||
|
||||
type ApproveInvoiceRequest struct {
|
||||
AdminNotes string `json:"admin_notes"` // 管理员备注
|
||||
}
|
||||
|
||||
type RejectInvoiceRequest struct {
|
||||
Reason string `json:"reason" binding:"required"` // 拒绝原因
|
||||
}
|
||||
|
||||
// DownloadInvoiceFile 下载发票文件（管理员）
|
||||
func (s *AdminInvoiceApplicationServiceImpl) DownloadInvoiceFile(ctx context.Context, applicationID string) (*dto.FileDownloadResponse, error) {
|
||||
// 1. 查找申请记录
|
||||
application, err := s.invoiceRepo.FindByID(ctx, applicationID)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if application == nil {
|
||||
return nil, fmt.Errorf("申请记录不存在")
|
||||
}
|
||||
|
||||
// 2. 验证状态（只能下载已完成的发票）
|
||||
if application.Status != entities.ApplicationStatusCompleted {
|
||||
return nil, fmt.Errorf("发票尚未通过审核")
|
||||
}
|
||||
|
||||
// 3. 验证文件信息
|
||||
if application.FileURL == nil || *application.FileURL == "" {
|
||||
return nil, fmt.Errorf("发票文件不存在")
|
||||
}
|
||||
|
||||
// 4. 从七牛云下载文件内容
|
||||
fileContent, err := s.storageService.DownloadFile(ctx, *application.FileURL)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("下载文件失败: %w", err)
|
||||
}
|
||||
|
||||
// 5. 构建响应DTO
|
||||
return &dto.FileDownloadResponse{
|
||||
FileID: *application.FileID,
|
||||
FileName: *application.FileName,
|
||||
FileSize: *application.FileSize,
|
||||
FileURL: *application.FileURL,
|
||||
FileContent: fileContent,
|
||||
}, nil
|
||||
}
|
||||
Reference in New Issue
Block a user