Check for duplicate feed before adding v1 APPLIED

Will Tiffany: 1
 Check for duplicate feed before adding

 1 files changed, 10 insertions(+), 7 deletions(-)

[PATCH] Check for duplicate feed before adding Export this patch

---
 db/db.go | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/db/db.go b/db/db.go
index eed6ac5..3872e03 100644
--- a/db/db.go
+++ b/db/db.go
@@ -130,6 +130,11 @@ func ReadDB(path string) (*Storage, error) {
 // CreateFeed will collect the rss feed and process through the elements
 // and add the relevant data elements to the database
 func (s *Storage) CreateFeed(url string) error {
+	_, ok := s.Feeds[url]
+	if ok {
+		return fmt.Errorf("already subscribed to feed: %s", url)
+	}
+
 	f, err := parseFeed(url)
 	if err != nil {
 		return fmt.Errorf("unable to fetch url: %s", err.Error())
@@ -245,18 +250,16 @@ func (s *Storage) DeleteFeed(url string) error {
 		return fmt.Errorf("url was empty, unable to delete")
 	}
 
+	feed, ok := s.Feeds[url]
+	if !ok {
+		return fmt.Errorf("feed does not exist")
+	}
+
 	db, err := openDB(s.Path)
 	if err != nil {
 		return fmt.Errorf("unable to open db: %s", err.Error())
 	}
 
-	feed, ok := s.Feeds[url]
-	if !ok {
-		if err := db.Close(); err != nil {
-			return err
-		}
-		return fmt.Errorf("feed does not exist")
-	}
 	items := feed.Items
 	for _, key := range items {
 		// Delete from item database
-- 
2.27.0

Chris Palmer

4 months ago

Thanks Will!