storage: change GetReadTime() function to use entries_feed_id_hash_key index

internal/reader/processor/processor.go

@@ -251,6 +251,11 @@ func getUrlFromEntry(feed *model.Feed, entry *model.Entry) string {
 }
 
 func updateEntryReadingTime(store *storage.Storage, feed *model.Feed, entry *model.Entry, entryIsNew bool, user *model.User) {
+	if !user.ShowReadingTime {
+		slog.Debug("Skip reading time estimation for this user", slog.Int64("user_id", user.ID))
+		return
+	}
+
 	if shouldFetchYouTubeWatchTime(entry) {
 		if entryIsNew {
 			watchTime, err := fetchYouTubeWatchTime(entry.URL)
@@ -266,7 +271,7 @@ func updateEntryReadingTime(store *storage.Storage, feed *model.Feed, entry *mod
 			}
 			entry.ReadingTime = watchTime
 		} else {
-			entry.ReadingTime = store.GetReadTime(entry, feed)
+			entry.ReadingTime = store.GetReadTime(feed.ID, entry.Hash)
 		}
 	}
 
@@ -285,14 +290,13 @@ func updateEntryReadingTime(store *storage.Storage, feed *model.Feed, entry *mod
 			}
 			entry.ReadingTime = watchTime
 		} else {
-			entry.ReadingTime = store.GetReadTime(entry, feed)
+			entry.ReadingTime = store.GetReadTime(feed.ID, entry.Hash)
 		}
 	}
+
 	// Handle YT error case and non-YT entries.
 	if entry.ReadingTime == 0 {
-		if user.ShowReadingTime {
+		entry.ReadingTime = readingtime.EstimateReadingTime(entry.Content, user.DefaultReadingSpeed, user.CJKReadingSpeed)
-			entry.ReadingTime = readingtime.EstimateReadingTime(entry.Content, user.DefaultReadingSpeed, user.CJKReadingSpeed)
-		}
 	}
 }
 

internal/storage/entry.go

@@ -231,24 +231,21 @@ func (s *Storage) IsNewEntry(feedID int64, entryHash string) bool {
 	return !result
 }
 
-// GetReadTime fetches the read time of an entry based on its hash, and the feed id and user id from the feed.
+func (s *Storage) GetReadTime(feedID int64, entryHash string) int {
-// It's intended to be used on entries objects created by parsing a feed as they don't contain much information.
-// The feed param helps to scope the search to a specific user and feed in order to avoid hash clashes.
-func (s *Storage) GetReadTime(entry *model.Entry, feed *model.Feed) int {
 	var result int
+
+	// Note: This query uses entries_feed_id_hash_key index
 	s.db.QueryRow(
 		`SELECT
 			reading_time
 		FROM
 			entries
 		WHERE
-			user_id=$1 AND
+			feed_id=$1 AND
-			feed_id=$2 AND
+			hash=$2
-			hash=$3
 		`,
-		feed.UserID,
+		feedID,
-		feed.ID,
+		entryHash,
-		entry.Hash,
 	).Scan(&result)
 	return result
 }