A social RSS reader built on the AT Protocol.
glean.at
glean
atproto
atmosphere
rss
feed
social
app
Improve feed discovery
+20
+20
internal/server/feeds_handler.go
+20
internal/server/feeds_handler.go
···
4
4
"context"
5
5
"database/sql"
6
6
"errors"
7
+
"fmt"
7
8
"net/http"
8
9
"time"
9
10
···
91
92
}
92
93
93
94
result, _, _, err := s.fetcher.Fetch(r.Context(), feedURL, "", "")
95
+
if err != nil {
96
+
result, feedURL, err = s.discoverFeed(r.Context(), feedURL)
97
+
}
94
98
if err != nil {
95
99
s.logger.Error("failed to fetch feed", "error", err, "url", feedURL)
96
100
http.Error(w, err.Error(), http.StatusInternalServerError)
···
445
449
}
446
450
447
451
w.WriteHeader(http.StatusOK)
452
+
}
453
+
454
+
func (s *Server) discoverFeed(ctx context.Context, feedURL string) (*feed.ParseResult, string, error) {
455
+
discovered, err := feed.Discover(ctx, feedURL)
456
+
if err != nil || len(discovered.FeedURLs) == 0 {
457
+
return nil, feedURL, fmt.Errorf("no feeds found at %s", feedURL)
458
+
}
459
+
460
+
for _, candidate := range discovered.FeedURLs {
461
+
result, _, _, fetchErr := s.fetcher.Fetch(ctx, candidate, "", "")
462
+
if fetchErr == nil && result != nil {
463
+
return result, candidate, nil
464
+
}
465
+
}
466
+
467
+
return nil, feedURL, fmt.Errorf("no feeds found at %s", feedURL)
448
468
}
449
469
450
470
func nullString(s string) sql.NullString {