/
main.go
84 lines (70 loc) · 1.89 KB
/
main.go
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package main
import (
"context"
"net"
"github.com/complex64/protoc-gen-gorm/examples/grpc/pb"
"google.golang.org/grpc"
"google.golang.org/protobuf/types/known/emptypb"
"gorm.io/driver/sqlite"
"gorm.io/gorm"
)
func main() {
db, err := gorm.Open(sqlite.Open("./gorm.db"), &gorm.Config{})
if err != nil {
panic(err)
}
if err := db.AutoMigrate(&pb.UserModel{}); err != nil {
panic(err)
}
srv := grpc.NewServer()
impl := &server{db: db}
pb.RegisterUsersServiceServer(srv, impl)
const addr = "localhost:1234"
lis, err := net.Listen("tcp", addr)
if err != nil {
panic(err)
}
if err := srv.Serve(lis); err != nil {
panic(err)
}
}
var _ pb.UsersServiceServer = (*server)(nil)
type server struct {
db *gorm.DB
pb.UnimplementedUsersServiceServer
}
func (s server) GetUser(ctx context.Context, req *pb.GetUserRequest) (*pb.User, error) {
user, err := (&pb.User{Name: req.Name}).WithDB(s.db).Get(ctx)
if err != nil {
return nil, err
}
return user, nil
}
func (s server) ListUsers(ctx context.Context, req *pb.ListUsersRequest) (*pb.ListUsersResponse, error) {
users, err := (&pb.User{}).WithDB(s.db).List(ctx)
if err != nil {
return nil, err
}
return &pb.ListUsersResponse{Users: users}, nil
}
func (s server) CreateUser(ctx context.Context, req *pb.CreateUserRequest) (*pb.User, error) {
user, err := req.User.WithDB(s.db).Create(ctx)
if err != nil {
return nil, err
}
return user, nil
}
func (s server) UpdateUser(ctx context.Context, req *pb.UpdateUserRequest) (*pb.User, error) {
err := req.User.WithDB(s.db).Patch(ctx, req.UpdateMask)
if err != nil {
return nil, err
}
return s.GetUser(ctx, &pb.GetUserRequest{Name: req.User.Name})
}
func (s server) DeleteUser(ctx context.Context, req *pb.DeleteUserRequest) (*emptypb.Empty, error) {
user := &pb.User{Name: req.Name}
if err := user.WithDB(s.db).Delete(ctx); err != nil {
return nil, err
}
return &emptypb.Empty{}, nil
}