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handler.go
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handler.go
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// shippy-user-service/handler.go
package main
import (
"context"
"errors"
pb "github.com/nedson202/shippy/shippy-service-user/proto/user"
"golang.org/x/crypto/bcrypt"
)
type handler struct {
repository Repository
}
func (s *handler) Get(ctx context.Context, req *pb.User, res *pb.Response) error {
result, err := s.repository.Get(ctx, req.Id)
if err != nil {
return err
}
user := UnmarshalUser(result)
res.User = user
return nil
}
func (s *handler) GetAll(ctx context.Context, req *pb.Request, res *pb.Response) error {
results, err := s.repository.GetAll(ctx)
if err != nil {
return err
}
users := UnmarshalUserCollection(results)
res.Users = users
return nil
}
func (s *handler) Auth(ctx context.Context, req *pb.User, res *pb.Token) error {
tokenService := &TokenService{}
user, err := s.repository.GetByEmail(ctx, req.Email)
if err != nil {
return err
}
if err := bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(req.Password)); err != nil {
return err
}
token, err := tokenService.Encode(req)
if err != nil {
return err
}
res.Token = token
return nil
}
func (s *handler) Create(ctx context.Context, req *pb.User, res *pb.Response) error {
hashedPass, err := bcrypt.GenerateFromPassword([]byte(req.Password), bcrypt.DefaultCost)
if err != nil {
return err
}
req.Password = string(hashedPass)
if err := s.repository.Create(ctx, MarshalUser(req)); err != nil {
return err
}
// Strip the password back out, so's we're not returning it
req.Password = ""
res.User = req
return nil
}
func (s *handler) ValidateToken(ctx context.Context, req *pb.Token, res *pb.Token) error {
tokenService := &TokenService{}
claims, err := tokenService.Decode(req.Token)
if err != nil {
return err
}
if claims.User.Id == "" {
return errors.New("invalid user")
}
res.Valid = true
return nil
}