add host node to tui

cmd.go

@@ -7,7 +7,7 @@ import (
 var (
 	cmd = &cobra.Command{
 		Use:   "gohost",
-		Short: "Simple host switcher tool made by ingbyr",
+		Short: "Simple gohost switcher tool made by ingbyr",
 		Run: func(cmd *cobra.Command, args []string) {
 			//m := tui.New()
 			//p := tea.NewProgram(m)

store/store.go → db/store.go

@@ -1,6 +1,7 @@
-package store
+package db
 
 import (
+	"errors"
 	"github.com/timshannon/bolthold"
 	"go.etcd.io/bbolt"
 	"gohost/config"
@@ -9,11 +10,11 @@ import (
 )
 
 var (
-	instance *store
+	instance *Store
 	once     sync.Once
 )
 
-func Store() *store {
+func Instance() *Store {
 	once.Do(func() {
 		cfg := config.Config()
 		instance = New(&options{
@@ -33,14 +34,23 @@ type options struct {
 	*bolthold.Options
 }
 
-type store struct {
+type Store struct {
 	*bolthold.Store
 }
 
-func New(opt *options) *store {
+func New(opt *options) *Store {
 	s, err := bolthold.Open(opt.File, os.ModePerm, opt.Options)
 	if err != nil {
 		panic(err)
 	}
-	return &store{Store: s}
+	return &Store{Store: s}
+}
+
+func (s *Store) FindNullable(result interface{}, query *bolthold.Query) error {
+	err := s.Find(result, query)
+
+	if !errors.Is(bolthold.ErrNotFound, err) {
+		return err
+	}
+	return nil
 }

store/store_test.go → db/store_test.go

@@ -1,4 +1,4 @@
-package store
+package db
 
 import (
 	"fmt"
@@ -62,21 +62,21 @@ func TestBoltHold(t *testing.T) {
 	a.NoError(err)
 
 	//var res []Item
-	//err = store.Find(&res, bolthold.Where("Category").Eq("blue").And("Created").Ge(time.Now().Add(-1*time.Hour)))
+	//err = db.Find(&res, bolthold.Where("Category").Eq("blue").And("Created").Ge(time.Now().Add(-1*time.Hour)))
 	//a.NoError(err)
 	//
 	//for _, r := range res {
 	//	fmt.Println(r)
 	//}
 
 	//res = []Item{}
-	//err = store.Find(&res, bolthold.Where(bolthold.Key).Ne(2))
+	//err = db.Find(&res, bolthold.Where(bolthold.Key).Ne(2))
 	//a.NoError(err)
 	//for _, r := range res {
 	//	fmt.Println(r)
 	//}
 	//
-	//err = store.Insert(bolthold.NextSequence(), "!23")
+	//err = db.Insert(bolthold.NextSequence(), "!23")
 	//a.NoError(err)
 
 	err = store.ForEach(bolthold.Where("Category").Eq("blue"), func(record *Item) error {