77 lines
2.3 KiB
Go
77 lines
2.3 KiB
Go
package usecase
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import (
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"context"
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"github.com/gofrs/uuid/v5"
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"github.com/saveinmed/backend-go/internal/domain"
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)
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// Repository defines DB contract for the core entities.
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type Repository interface {
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CreateCompany(ctx context.Context, company *domain.Company) error
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ListCompanies(ctx context.Context) ([]domain.Company, error)
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CreateProduct(ctx context.Context, product *domain.Product) error
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ListProducts(ctx context.Context) ([]domain.Product, error)
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CreateOrder(ctx context.Context, order *domain.Order) error
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GetOrder(ctx context.Context, id uuid.UUID) (*domain.Order, error)
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UpdateOrderStatus(ctx context.Context, id uuid.UUID, status domain.OrderStatus) error
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}
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// PaymentGateway abstracts Mercado Pago integration.
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type PaymentGateway interface {
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CreatePreference(ctx context.Context, order *domain.Order) (*domain.PaymentPreference, error)
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}
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type Service struct {
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repo Repository
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pay PaymentGateway
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}
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// NewService wires use cases together.
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func NewService(repo Repository, pay PaymentGateway) *Service {
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return &Service{repo: repo, pay: pay}
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}
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func (s *Service) RegisterCompany(ctx context.Context, company *domain.Company) error {
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company.ID = uuid.Must(uuid.NewV7())
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return s.repo.CreateCompany(ctx, company)
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}
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func (s *Service) ListCompanies(ctx context.Context) ([]domain.Company, error) {
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return s.repo.ListCompanies(ctx)
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}
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func (s *Service) RegisterProduct(ctx context.Context, product *domain.Product) error {
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product.ID = uuid.Must(uuid.NewV7())
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return s.repo.CreateProduct(ctx, product)
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}
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func (s *Service) ListProducts(ctx context.Context) ([]domain.Product, error) {
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return s.repo.ListProducts(ctx)
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}
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func (s *Service) CreateOrder(ctx context.Context, order *domain.Order) error {
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order.ID = uuid.Must(uuid.NewV7())
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order.Status = domain.OrderStatusPending
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return s.repo.CreateOrder(ctx, order)
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}
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func (s *Service) GetOrder(ctx context.Context, id uuid.UUID) (*domain.Order, error) {
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return s.repo.GetOrder(ctx, id)
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}
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func (s *Service) UpdateOrderStatus(ctx context.Context, id uuid.UUID, status domain.OrderStatus) error {
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return s.repo.UpdateOrderStatus(ctx, id, status)
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}
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func (s *Service) CreatePaymentPreference(ctx context.Context, id uuid.UUID) (*domain.PaymentPreference, error) {
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order, err := s.repo.GetOrder(ctx, id)
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if err != nil {
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return nil, err
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}
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return s.pay.CreatePreference(ctx, order)
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}
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