Fixed an issue which caused crash after sending individual HN item to…

… Kindle.

.gitignore

@@ -7,4 +7,5 @@ hntoebook_linux_amd64.zip
 hntoebook_linux_arm64.zip
 hntoebook_windows_amd64.zip
 db
-models
+models
+test

main.go

@@ -41,7 +41,7 @@ func OperationsMode(db *badger.DB, mode string) {
 		item, err := txn.Get([]byte("mobiPath"))
 
 		if err != nil {
-			log.Fatalln("Error accessing db for mobiPath, Did you set the config using -c?", err)
+			log.Fatalln("Error accessing mobiPath, Did you set the config using -c?ing db for mobiPath, Did you set the config using -c?", err)
 		} else {
 
 			err := item.Value(func(val []byte) error {
@@ -300,5 +300,5 @@ func main() {
 		OperationsMode(db, "default")
 	}
 
-	db.Close()
+	defer db.Close()
 }

stories/operations/mobi.go

@@ -67,7 +67,10 @@ func PDFToMobiGenerator(db *badger.DB, story *stories.Story, storyItem *hnapi.St
 	fmt.Println(output)
 
 	err = db.Update(func(txn *badger.Txn) error {
-		err := txn.Set([]byte(strconv.Itoa(story.Id)), []byte("true"))
+		var err error
+		if story != nil {
+			err = txn.Set([]byte(strconv.Itoa(story.Id)), []byte("true"))
+		}
 		return err
 	})
 	if err != nil {