Improve logging in InitDb and UpdateDb functions

internal/db/db.go

@@ -9,11 +9,11 @@ import (
 )
 
 func InitDb(rss models.Rss2, dbpath string) error {
-	log.Println("Initialize DB")
-	db, err := bolt.Open(dbpath, 0600, nil)
+	db, err := openDB(dbpath)
 	if err != nil {
-		log.Fatal(err)
+		return err
 	}
+	log.Println("Initialize DB")
 	defer db.Close()
 
 	err = db.Update(func(tx *bolt.Tx) error {
@@ -72,11 +72,11 @@ func FindItems(rss models.Rss2, dbpath string) (*models.SendItems, error) {
 }
 
 func UpdateDb(dbpath string, senditems *models.SendItems) error {
-	log.Println("Update DB")
-	db, err := bolt.Open(dbpath, 0600, nil)
+	db, err := openDB(dbpath)
 	if err != nil {
-		log.Fatal(err)
+		return err
 	}
+	log.Println("Update DB")
 	defer db.Close()
 
 	err = db.Update(func(tx *bolt.Tx) error {
@@ -98,3 +98,7 @@ func UpdateDb(dbpath string, senditems *models.SendItems) error {
 	}
 	return nil
 }
+
+func openDB(dbpath string) (*bolt.DB, error) {
+	return bolt.Open(dbpath, 0600, nil)
+}