bf85072bff
- remove backend-old (Medusa), saveinmed-frontend (Next.js/Appwrite) and marketplace dirs - split Go usecases by domain and move notifications/payments to infrastructure - reorganize frontend pages into auth, dashboard and marketplace modules - add Makefile, docker-compose.yml and architecture docs
160 lines
8 KiB
Go
160 lines
8 KiB
Go
package usecase
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import (
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"context"
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"time"
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"github.com/gofrs/uuid/v5"
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"github.com/saveinmed/backend-go/internal/domain"
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"github.com/saveinmed/backend-go/internal/infrastructure/mapbox"
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"github.com/saveinmed/backend-go/internal/infrastructure/notifications"
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)
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// Repository defines the persistence contract for all core entities.
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// Implementations live in internal/repository/postgres/.
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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, filter domain.CompanyFilter) ([]domain.Company, int64, error)
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GetCompany(ctx context.Context, id uuid.UUID) (*domain.Company, error)
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UpdateCompany(ctx context.Context, company *domain.Company) error
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DeleteCompany(ctx context.Context, id uuid.UUID) error
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CreateProduct(ctx context.Context, product *domain.Product) error
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BatchCreateProducts(ctx context.Context, products []domain.Product) error
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ListProducts(ctx context.Context, filter domain.ProductFilter) ([]domain.Product, int64, error)
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SearchProducts(ctx context.Context, filter domain.ProductSearchFilter) ([]domain.ProductWithDistance, int64, error)
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ListRecords(ctx context.Context, filter domain.RecordSearchFilter) ([]domain.Product, int64, error)
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GetProduct(ctx context.Context, id uuid.UUID) (*domain.Product, error)
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UpdateProduct(ctx context.Context, product *domain.Product) error
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DeleteProduct(ctx context.Context, id uuid.UUID) error
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AdjustInventory(ctx context.Context, productID uuid.UUID, delta int64, reason string) (*domain.InventoryItem, error)
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ListInventory(ctx context.Context, filter domain.InventoryFilter) ([]domain.InventoryItem, int64, error)
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CreateInventoryItem(ctx context.Context, item *domain.InventoryItem) error
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GetInventoryItem(ctx context.Context, id uuid.UUID) (*domain.InventoryItem, error)
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UpdateInventoryItem(ctx context.Context, item *domain.InventoryItem) error
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CreateOrder(ctx context.Context, order *domain.Order) error
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ListOrders(ctx context.Context, filter domain.OrderFilter) ([]domain.Order, int64, 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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DeleteOrder(ctx context.Context, id uuid.UUID) error
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UpdateOrderItems(ctx context.Context, orderID uuid.UUID, items []domain.OrderItem, totalCents int64) error
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CreateShipment(ctx context.Context, shipment *domain.Shipment) error
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GetShipmentByOrderID(ctx context.Context, orderID uuid.UUID) (*domain.Shipment, error)
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CreateUser(ctx context.Context, user *domain.User) error
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ListUsers(ctx context.Context, filter domain.UserFilter) ([]domain.User, int64, error)
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GetUser(ctx context.Context, id uuid.UUID) (*domain.User, error)
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GetUserByUsername(ctx context.Context, username string) (*domain.User, error)
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GetUserByEmail(ctx context.Context, email string) (*domain.User, error)
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UpdateUser(ctx context.Context, user *domain.User) error
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DeleteUser(ctx context.Context, id uuid.UUID) error
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AddCartItem(ctx context.Context, item *domain.CartItem) (*domain.CartItem, error)
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ListCartItems(ctx context.Context, buyerID uuid.UUID) ([]domain.CartItem, error)
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DeleteCartItem(ctx context.Context, id uuid.UUID, buyerID uuid.UUID) error
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DeleteCartItemByProduct(ctx context.Context, buyerID, productID uuid.UUID) error
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ClearCart(ctx context.Context, buyerID uuid.UUID) error
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ReplaceCart(ctx context.Context, buyerID uuid.UUID, items []domain.CartItem) error
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CreateReview(ctx context.Context, review *domain.Review) error
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GetCompanyRating(ctx context.Context, companyID uuid.UUID) (*domain.CompanyRating, error)
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ListReviews(ctx context.Context, filter domain.ReviewFilter) ([]domain.Review, int64, error)
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SellerDashboard(ctx context.Context, sellerID uuid.UUID) (*domain.SellerDashboard, error)
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AdminDashboard(ctx context.Context, since time.Time) (*domain.AdminDashboard, error)
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GetShippingSettings(ctx context.Context, vendorID uuid.UUID) (*domain.ShippingSettings, error)
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UpsertShippingSettings(ctx context.Context, settings *domain.ShippingSettings) error
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ListShipments(ctx context.Context, filter domain.ShipmentFilter) ([]domain.Shipment, int64, error)
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CreateDocument(ctx context.Context, doc *domain.CompanyDocument) error
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ListDocuments(ctx context.Context, companyID uuid.UUID) ([]domain.CompanyDocument, error)
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RecordLedgerEntry(ctx context.Context, entry *domain.LedgerEntry) error
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GetLedger(ctx context.Context, companyID uuid.UUID, limit, offset int) ([]domain.LedgerEntry, int64, error)
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GetBalance(ctx context.Context, companyID uuid.UUID) (int64, error)
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CreateWithdrawal(ctx context.Context, withdrawal *domain.Withdrawal) error
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ListWithdrawals(ctx context.Context, companyID uuid.UUID) ([]domain.Withdrawal, error)
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GetPaymentGatewayConfig(ctx context.Context, provider string) (*domain.PaymentGatewayConfig, error)
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UpsertPaymentGatewayConfig(ctx context.Context, config *domain.PaymentGatewayConfig) error
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GetSellerPaymentAccount(ctx context.Context, sellerID uuid.UUID) (*domain.SellerPaymentAccount, error)
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UpsertSellerPaymentAccount(ctx context.Context, account *domain.SellerPaymentAccount) error
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CreateAddress(ctx context.Context, address *domain.Address) error
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ListAddresses(ctx context.Context, entityID uuid.UUID) ([]domain.Address, error)
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GetAddress(ctx context.Context, id uuid.UUID) (*domain.Address, error)
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UpdateAddress(ctx context.Context, address *domain.Address) error
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DeleteAddress(ctx context.Context, id uuid.UUID) error
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ListManufacturers(ctx context.Context) ([]string, error)
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ListCategories(ctx context.Context) ([]string, error)
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GetProductByEAN(ctx context.Context, ean string) (*domain.Product, error)
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}
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// PaymentGateway abstracts the payment provider (Mercado Pago, Asaas, etc.).
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// Implementations live in internal/infrastructure/payments/.
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type PaymentGateway interface {
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CreatePreference(ctx context.Context, order *domain.Order, payer *domain.User, sellerAcc *domain.SellerPaymentAccount) (*domain.PaymentPreference, error)
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CreatePayment(ctx context.Context, order *domain.Order, token, issuerID, paymentMethodID string, installments int, payer *domain.User, sellerAcc *domain.SellerPaymentAccount) (*domain.PaymentResult, error)
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}
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// Service orchestrates all business use cases.
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// Methods are split across domain-specific files in this package:
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// - auth_usecase.go – authentication, JWT, password reset
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// - company_usecase.go – company registration, KYC, shipping options
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// - product_usecase.go – catalogue, inventory management
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// - order_usecase.go – order lifecycle and state machine
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// - shipping_usecase.go – shipping calculation and configuration
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// - cart_usecase.go – cart operations and B2B discounts
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// - payment_usecase.go – payment preferences and webhook handling
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// - review_usecase.go – buyer reviews and ratings
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// - user_usecase.go – user CRUD
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// - address_usecase.go – address management
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// - dashboard_usecase.go – seller and admin KPI dashboards
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type Service struct {
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repo Repository
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pay PaymentGateway
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mapbox *mapbox.Client
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notify notifications.NotificationService
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marketplaceCommission float64
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buyerFeeRate float64
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jwtSecret []byte
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tokenTTL time.Duration
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passwordPepper string
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}
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const (
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// passwordResetTTL is the validity window for password-reset JWTs.
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passwordResetTTL = 30 * time.Minute
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)
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// NewService wires all dependencies and returns a ready-to-use Service.
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func NewService(
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repo Repository,
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pg PaymentGateway,
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mb *mapbox.Client,
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notify notifications.NotificationService,
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commission, buyerFeeRate float64,
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jwtSecret string,
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tokenTTL time.Duration,
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pepper string,
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) *Service {
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return &Service{
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repo: repo,
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pay: pg,
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mapbox: mb,
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notify: notify,
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marketplaceCommission: commission,
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buyerFeeRate: buyerFeeRate,
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jwtSecret: []byte(jwtSecret),
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tokenTTL: tokenTTL,
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passwordPepper: pepper,
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}
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}
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// GetNotificationService exposes the notification service for push handlers.
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func (s *Service) GetNotificationService() notifications.NotificationService {
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return s.notify
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}
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