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package feed
import (
"fmt"
"github.com/google/uuid"
"github.com/mmcdole/gofeed"
"github.com/Necoro/feed2imap-go/internal/http"
"github.com/Necoro/feed2imap-go/pkg/log"
)
func (feed *Feed) parse() error {
fp := gofeed.NewParser()
// we do not use the http support in gofeed, so that we can control the behavior of http requests
// and ensure it to be the same in all places
resp, cancel, err := http.Get(feed.Url, feed.Global.Timeout, feed.NoTLS)
if err != nil {
return fmt.Errorf("while fetching %s from %s: %w", feed.Name, feed.Url, err)
}
defer cancel() // includes resp.Body.Close
parsedFeed, err := fp.Parse(resp.Body)
if err != nil {
return fmt.Errorf("parsing feed '%s': %w", feed.Name, err)
}
feed.feed = parsedFeed
feed.items = make([]item, len(parsedFeed.Items))
for idx, feedItem := range parsedFeed.Items {
feed.items[idx] = item{Feed: parsedFeed, Item: feedItem, itemId: uuid.New(), feed: feed}
}
return nil
}
func handleFeed(feed *Feed) {
log.Printf("Fetching %s from %s", feed.Name, feed.Url)
err := feed.parse()
if err != nil {
if feed.cached.Failures() >= feed.Global.MaxFailures {
log.Error(err)
} else {
log.Print(err)
}
}
}
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