You've already forked orderservice
149 lines
3.5 KiB
Go
149 lines
3.5 KiB
Go
package server
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"log"
|
|
"net"
|
|
"net/http"
|
|
|
|
"orderservice/internal/config"
|
|
"orderservice/internal/interceptor"
|
|
|
|
grpcHandlers "orderservice/internal/handler/grpc"
|
|
orderPostgresRepo "orderservice/internal/repository/postgres"
|
|
"orderservice/internal/service"
|
|
|
|
pb "orderservice/pkg/api/order"
|
|
|
|
"github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
|
|
"github.com/jmoiron/sqlx"
|
|
"github.com/redis/go-redis/v9"
|
|
"google.golang.org/grpc"
|
|
"google.golang.org/grpc/credentials/insecure"
|
|
"google.golang.org/grpc/reflection"
|
|
)
|
|
|
|
type Server struct {
|
|
grpcServer *grpc.Server
|
|
config *config.Config
|
|
db *sqlx.DB
|
|
redisDB *redis.Client
|
|
}
|
|
|
|
func New(cfg *config.Config) *Server {
|
|
loggerInterceptor := interceptor.NewLoggerInterceptor()
|
|
|
|
grpcServer := grpc.NewServer(
|
|
grpc.UnaryInterceptor(loggerInterceptor.Unary()),
|
|
grpc.StreamInterceptor(loggerInterceptor.Stream()),
|
|
)
|
|
|
|
return &Server{
|
|
grpcServer: grpcServer,
|
|
config: cfg,
|
|
}
|
|
}
|
|
|
|
func runHTTPHandler(s *Server, grpcServerEndpoint *string) error {
|
|
ctx := context.Background()
|
|
ctx, cancel := context.WithCancel(ctx)
|
|
defer cancel()
|
|
|
|
gwmux := runtime.NewServeMux()
|
|
opts := []grpc.DialOption{grpc.WithTransportCredentials(insecure.NewCredentials())}
|
|
err := pb.RegisterOrderServiceHandlerFromEndpoint(ctx, gwmux, *grpcServerEndpoint, opts)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
addr := fmt.Sprintf(":%d", s.config.HTTPPort)
|
|
return http.ListenAndServe(addr, gwmux)
|
|
}
|
|
|
|
func getDatabase(cfg config.Config) (*sqlx.DB, error) {
|
|
db, err := sqlx.Connect("postgres", cfg.BuildDsn())
|
|
if err != nil {
|
|
return nil, fmt.Errorf("connect to database: %w", err)
|
|
}
|
|
|
|
_, err = db.Exec(orderPostgresRepo.Schema)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("run schema: %w", err)
|
|
}
|
|
|
|
return db, nil
|
|
}
|
|
|
|
func getRedis(cfg config.Config) (*redis.Client, error) {
|
|
conn, err := redis.ParseURL(cfg.RedisURI)
|
|
client := redis.NewClient(&redis.Options{
|
|
Addr: conn.Addr,
|
|
})
|
|
if err != nil {
|
|
return nil, fmt.Errorf("parse Redis URI: %w", err)
|
|
}
|
|
|
|
_, err = client.Ping(context.Background()).Result()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("connect to Redis server: %w", err)
|
|
}
|
|
|
|
return client, nil
|
|
}
|
|
|
|
func (s *Server) RegisterServices() {
|
|
db, err := getDatabase(*s.config)
|
|
if err != nil {
|
|
log.Print(err)
|
|
}
|
|
s.db = db
|
|
|
|
redisDB, err := getRedis(*s.config)
|
|
if err != nil {
|
|
log.Print(err)
|
|
}
|
|
s.redisDB = redisDB
|
|
|
|
orderRepo := orderPostgresRepo.NewOrderRepository(db, redisDB, &orderPostgresRepo.Config{CacheEnable: true})
|
|
orderService := service.NewOrderService(orderRepo)
|
|
orderHandler := grpcHandlers.NewOrderHandler(orderService)
|
|
|
|
pb.RegisterOrderServiceServer(s.grpcServer, orderHandler)
|
|
|
|
if s.config.GRPCEnableReflection {
|
|
reflection.Register(s.grpcServer)
|
|
log.Println("gRPC server will start with reflection")
|
|
}
|
|
}
|
|
|
|
func (s *Server) Start() error {
|
|
addr := fmt.Sprintf(":%d", s.config.GRPCPort)
|
|
lis, err := net.Listen("tcp", addr) //nolint:noctx // no need to use context here
|
|
if err != nil {
|
|
return fmt.Errorf("failed to listen: %w", err)
|
|
}
|
|
|
|
if s.config.EnableHTTPHandler {
|
|
go func() {
|
|
log.Printf("Starting HTTP gateway on port %d", s.config.HTTPPort)
|
|
if err := runHTTPHandler(s, &addr); err != nil {
|
|
log.Printf("HTTP gateway failed: %v", err)
|
|
}
|
|
}()
|
|
}
|
|
|
|
log.Printf("Starting gRPC server on port %d", s.config.GRPCPort)
|
|
|
|
if err := s.grpcServer.Serve(lis); err != nil {
|
|
return fmt.Errorf("failed to serve: %w", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (s *Server) Stop() {
|
|
s.grpcServer.GracefulStop()
|
|
log.Println("gRPC server stopped gracefully")
|
|
}
|