account-main.go

package main

import (
	"context"
	"log"
	"net"
	"errors"

	pb "github.com/Ahmad-Magdy/grpc-by-example/proto-go"

	"google.golang.org/grpc"
	"google.golang.org/grpc/reflection"
	"github.com/satori/go.uuid"
)

type Account struct {
	ID       string
	Username string
	Email    string
}

var (
	accounts []*Account
)

type server struct{}

func (s *server) CreateAccount(ctx context.Context, accountRequest *pb.CreateAccountRequest) (*pb.CreateAccountResponse, error) {
	log.Printf("Server: Recived, %s\n", accountRequest.GetUsername())

	newAccount := &Account{
		ID: uuid.NewV4().String()  ,
		Username: accountRequest.GetUsername(),
		Email:    accountRequest.GetEmail(),
	}

	accounts = append(accounts, newAccount)
	return &pb.CreateAccountResponse{Id: newAccount.ID}, nil
}

func (s *server) GetAccountInformation(ctx context.Context, m *pb.GetAccountInformationRequest) (*pb.GetAccountInformationResponse,error){
	 for _,accountItem:= range accounts{
		 if accountItem.ID == m.GetId(){
			 return &pb.GetAccountInformationResponse{
											Id:accountItem.ID, 
											Username : accountItem.Username, 
											Email:accountItem.Email, }, nil
		 }

	 }
	 return nil, errors.New("account not found")
}

func main() {
	lis, err := net.Listen("tcp", ":3000")
	if err != nil {
		log.Fatal("Failed to listen: %v", err)
	}

	s := grpc.NewServer()
	pb.RegisterAccountServiceServer(s, &server{})
	reflection.Register(s)
	if err := s.Serve(lis); err != nil {
		log.Fatal("Failed to serve: %v", err)
	}
}