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server.go
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server.go
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package user
import (
"context"
"github.com/google/uuid"
"github.com/patrickkoss/grpc-gateway-example/domain"
"github.com/patrickkoss/grpc-gateway-example/internal/adapter/api/common"
proto "github.com/patrickkoss/grpc-gateway-example/internal/adapter/api/domain/proto"
"github.com/patrickkoss/grpc-gateway-example/internal/adapter/logging"
"github.com/patrickkoss/grpc-gateway-example/internal/service"
"google.golang.org/grpc"
"google.golang.org/grpc/metadata"
)
type server struct {
userService service.UserService
logger logging.Logger
}
func (s server) CreateUser(ctx context.Context, body *CreateUserBody) (*proto.Message, error) {
domainUser := domain.User{
Id: uuid.NewString(),
Name: body.Name,
Email: body.Email,
Surname: body.Surname,
}
err := s.userService.Create(&domainUser)
if err != nil {
return nil, common.GetStatusErrorFromDomainError(err)
}
_ = grpc.SetHeader(ctx, metadata.Pairs("x-http-code", "201"))
return &proto.Message{Message: "User created"}, nil
}
func (s server) GetUsers(ctx context.Context, params *UserParams) (*ListUsersResponse, error) {
domainUsers, err := s.userService.List()
if err != nil {
return nil, common.GetStatusErrorFromDomainError(err)
}
users := make([]*User, len(domainUsers))
for i, domainUser := range domainUsers {
users[i] = &User{
Id: domainUser.Id,
Name: domainUser.Name,
Email: domainUser.Email,
Surname: domainUser.Surname,
}
}
return &ListUsersResponse{Users: users}, nil
}
func (s server) GetUser(ctx context.Context, id *UserId) (*GetUserResponse, error) {
domainUser, err := s.userService.Get(id.Id)
if err != nil {
return nil, common.GetStatusErrorFromDomainError(err)
}
user := User{
Id: domainUser.Id,
Name: domainUser.Name,
Email: domainUser.Email,
Surname: domainUser.Surname,
}
return &GetUserResponse{User: &user}, nil
}
func (s server) DeleteUser(ctx context.Context, id *UserId) (*proto.Message, error) {
err := s.userService.Delete(id.Id)
if err != nil {
return nil, common.GetStatusErrorFromDomainError(err)
}
return &proto.Message{Message: "User deleted"}, nil
}
func (s server) mustEmbedUnimplementedUserServiceServer() {}
func NewServer(userService service.UserService, logger logging.Logger) UserServiceServer {
return server{
userService: userService,
logger: logger,
}
}