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service.go
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service.go
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package service
import (
"fmt"
"net"
"github.com/go-pg/pg/v9"
"github.com/go-pg/pg/v9/orm"
"github.com/ryssapp/backend/src/go/common/pb"
"github.com/ryssapp/backend/src/go/common/types"
"github.com/ryssapp/backend/src/go/store-service/config"
"github.com/ryssapp/backend/src/go/store-service/delivery"
"github.com/ryssapp/backend/src/go/store-service/repository"
"github.com/ryssapp/backend/src/go/store-service/usecase"
"go.uber.org/zap"
"google.golang.org/grpc"
)
func Start() {
cfg := config.Load()
db := initPostgres(cfg.PostgresConnection)
r := repository.NewPostgresRepository(db)
u := usecase.New(r)
srv := delivery.NewServer(u)
lis, err := net.Listen("tcp", cfg.BindAddress)
if err != nil {
zap.L().Fatal("Error while listening.", zap.String("address", cfg.BindAddress), zap.Error(err))
}
zap.L().Info("Listening")
grpcServer := grpc.NewServer()
pb.RegisterStoreServiceServer(grpcServer, srv)
zap.L().Fatal("Error while serving.", zap.Error(grpcServer.Serve(lis)))
}
func initPostgres(addr string) *pg.DB {
db := connectPostgres(addr)
err := db.CreateTable(&types.Store{}, &orm.CreateTableOptions{
IfNotExists: true,
})
if err != nil {
zap.L().Error("Error while creating postgres scheme.", zap.Error(err))
}
zap.L().Info("Connected to database")
return db
}
func connectPostgres(addr string) *pg.DB {
fmt.Println(addr)
opts, err := pg.ParseURL(addr)
if err != nil {
zap.L().Fatal("Error while connecting to postgres.", zap.Error(err))
}
return pg.Connect(opts)
}