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Fix infinite recrawl loop with skip-identical-content

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Add last_crawled timestamp tracking to fix fetchSnapshotsFromHistory()
infinite loop when SkipIdenticalContent=true. Now tracks actual crawl
attempts separately from content changes via database DEFAULT timestamps.
This commit is contained in:
antanst
2025-06-17 10:41:17 +03:00
parent 8b498a2603
commit 98d3ed6707
5 changed files with 555 additions and 4 deletions
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5
common/snapshot/snapshot.go
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@@ -20,8 +20,9 @@ type Snapshot struct {
Header null.String `db:"header" json:"header,omitempty"` // Response header.
Links null.Value[linkList.LinkList] `db:"links" json:"links,omitempty"`
Lang null.String `db:"lang" json:"lang,omitempty"`
ResponseCode null.Int `db:"response_code" json:"code,omitempty"` // Gemini response Status code.
Error null.String `db:"error" json:"error,omitempty"` // On network errors only
ResponseCode null.Int `db:"response_code" json:"code,omitempty"` // Gemini response Status code.
Error null.String `db:"error" json:"error,omitempty"` // On network errors only
LastCrawled null.Time `db:"last_crawled" json:"last_crawled,omitempty"` // When URL was last processed (regardless of content changes)
}
func SnapshotFromURL(u string, normalize bool) (*Snapshot, error) {

7
common/worker.go
View File

@@ -202,7 +202,12 @@ func WorkOnUrl(ctx context.Context, tx *sqlx.Tx, url string) (err error) {
return err
}
if skipIdentical {
contextlog.LogInfoWithContext(ctx, logging.GetSlogger(), "Content identical to existing snapshot, skipping")
contextlog.LogInfoWithContext(ctx, logging.GetSlogger(), "Content identical to existing snapshot, recording crawl attempt")
// Record the crawl attempt to track that we processed this URL
err = gemdb.Database.RecordCrawlAttempt(ctx, tx, s)
if err != nil {
return err
}
return removeURL(ctx, tx, s.URL.String())
}