UnRegister

nuss.go

@@ -91,7 +91,6 @@ func DeleteUserFromAnime(username string, userId, animeId int64) (*Anime, error)
 				if err != nil {
 					return err
 				}
-
 			}
 			// check if user already part
 			for i, u := range users {
@@ -120,6 +119,51 @@ func DeleteUserFromAnime(username string, userId, animeId int64) (*Anime, error)
 	return &anime, err
 }
 
+func DeleteUserFromAnimes(userId int64) error {
+	return db.Update(
+		func(tx *nutsdb.Tx) error {
+			entries, err := tx.GetAll(bucketAnime)
+			if err != nil {
+				return err
+			}
+			// iterate entries
+			for _, e := range entries {
+				// parse user list
+				users, err := parseUserList(e.Value)
+				if err != nil {
+					return err
+				}
+				// check if user is part
+				for i, u := range users {
+					if u.MalID == userId {
+						// delete user from list
+						users[i] = users[len(users)-1]
+						users = users[:len(users)-1]
+						// check if anime needs recycling
+						if len(users) == 0 {
+							err = tx.Delete(bucketAnime, e.Key)
+							if err != nil {
+								return err
+							}
+						} else {
+							newData, err := json.Marshal(users)
+							if err != nil {
+								return err
+							}
+							err = tx.Put(bucketAnime, e.Key, newData, nutsdb.Persistent)
+							if err != nil {
+								return err
+							}
+						}
+
+						break
+					}
+				}
+			}
+			return nil
+		})
+}
+
 func ReadAnimes() ([]Anime, error) {
 	var animes []Anime
 	err := db.View(
@@ -183,7 +227,7 @@ func DbRead(bucket, key string) ([]byte, error) {
 	return val, err
 }
 
-func DbDelete(bucket, key string, val []byte) error {
+func DbDelete(bucket, key string) error {
 	return db.Update(
 		func(tx *nutsdb.Tx) error {
 			keyBytes := []byte(key)