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[hw-3] loms service

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This commit is contained in:
Никита Шубин
2025-06-20 10:11:59 +00:00
parent c8e056bc99
commit b88dfe6db5
73 changed files with 8837 additions and 52 deletions
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42
cart/internal/app/app.go
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@@ -9,14 +9,19 @@ import (
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
"route256/cart/internal/app/server"
"route256/cart/internal/domain/cart/repository"
"route256/cart/internal/domain/cart/service"
product_service "route256/cart/internal/domain/products/service"
loms_service "route256/cart/internal/clients/loms"
product_service "route256/cart/internal/clients/products"
"route256/cart/internal/domain/repository"
"route256/cart/internal/domain/service"
"route256/cart/internal/infra/config"
"route256/cart/internal/infra/http/middlewares"
"route256/cart/internal/infra/http/round_trippers"
pbLOMS "route256/pkg/api/loms/v1"
)
const (
@@ -39,9 +44,9 @@ func NewApp(configPath string) (*App, error) {
zerolog.SetGlobalLevel(zerolog.InfoLevel)
if c.Service.LogLevel != "" {
level, err := zerolog.ParseLevel(c.Service.LogLevel)
if err != nil {
return nil, fmt.Errorf("unknown log level `%s` provided: %w", c.Service.LogLevel, err)
level, logErr := zerolog.ParseLevel(c.Service.LogLevel)
if logErr != nil {
return nil, fmt.Errorf("unknown log level `%s` provided: %w", c.Service.LogLevel, logErr)
}
zerolog.SetGlobalLevel(level)
@@ -52,7 +57,13 @@ func NewApp(configPath string) (*App, error) {
app := &App{
config: c,
}
app.server.Handler = app.BootstrapHandlers(app.setupCartService())
service, err := app.setupCartService()
if err != nil {
return nil, err
}
app.server.Handler = app.BootstrapHandlers(service)
return app, nil
}
@@ -70,7 +81,8 @@ func (app *App) ListenAndServe() error {
return app.server.Serve(l)
}
func (app *App) setupCartService() *service.CartService {
func (app *App) setupCartService() (*service.CartService, error) {
// Product service client
transport := http.DefaultTransport
transport = round_trippers.NewLogRoundTripper(transport)
transport = round_trippers.NewRetryRoundTripper(transport, productsRetryAttemptsDefault, productsInitialDelaySecDefault)
@@ -86,10 +98,21 @@ func (app *App) setupCartService() *service.CartService {
fmt.Sprintf("%s:%s", app.config.ProductService.Host, app.config.ProductService.Port),
)
// LOMS service client
conn, err := grpc.NewClient(
fmt.Sprintf("%s:%s", app.config.LomsService.Host, app.config.LomsService.Port),
grpc.WithTransportCredentials(insecure.NewCredentials()))
if err != nil {
return nil, fmt.Errorf("grpc.NewClient: %w", err)
}
lomsClient := pbLOMS.NewLOMSClient(conn)
lomsService := loms_service.NewLomsService(lomsClient)
const userCartCap = 100
cartRepository := repository.NewInMemoryRepository(userCartCap)
return service.NewCartService(cartRepository, productService)
return service.NewCartService(cartRepository, productService, lomsService), nil
}
func (app *App) BootstrapHandlers(cartService *service.CartService) http.Handler {
@@ -97,6 +120,7 @@ func (app *App) BootstrapHandlers(cartService *service.CartService) http.Handler
mx := http.NewServeMux()
mx.HandleFunc("POST /user/{user_id}/cart/{sku_id}", s.AddItemHandler)
mx.HandleFunc("POST /checkout/{user_id}", s.CheckoutHandler)
mx.HandleFunc("GET /user/{user_id}/cart", s.GetItemsByUserIDHandler)
mx.HandleFunc("DELETE /user/{user_id}/cart/{sku_id}", s.DeleteItemHandler)
mx.HandleFunc("DELETE /user/{user_id}/cart", s.DeleteItemsByUserIDHandler)