/
greeter.go
46 lines (37 loc) · 1.23 KB
/
greeter.go
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package biz
import (
"context"
v1 "github.com/qin8948050/kratos-layout/api/helloworld/v1"
"github.com/go-kratos/kratos/v2/errors"
"github.com/go-kratos/kratos/v2/log"
)
var (
// ErrUserNotFound is user not found.
ErrUserNotFound = errors.NotFound(v1.ErrorReason_USER_NOT_FOUND.String(), "user not found")
)
// Greeter is a Greeter model.
type Greeter struct {
Hello string
}
// GreeterRepo is a Greater repo.
type GreeterRepo interface {
Save(context.Context, *Greeter) (*Greeter, error)
Update(context.Context, *Greeter) (*Greeter, error)
FindByID(context.Context, int64) (*Greeter, error)
ListByHello(context.Context, string) ([]*Greeter, error)
ListAll(context.Context) ([]*Greeter, error)
}
// GreeterUsecase is a Greeter usecase.
type GreeterUsecase struct {
repo GreeterRepo
log *log.Helper
}
// NewGreeterUsecase new a Greeter usecase.
func NewGreeterUsecase(repo GreeterRepo, logger log.Logger) *GreeterUsecase {
return &GreeterUsecase{repo: repo, log: log.NewHelper(logger)}
}
// CreateGreeter creates a Greeter, and returns the new Greeter.
func (uc *GreeterUsecase) CreateGreeter(ctx context.Context, g *Greeter) (*Greeter, error) {
uc.log.WithContext(ctx).Infof("CreateGreeter: %v", g.Hello)
return uc.repo.Save(ctx, g)
}