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package feed
import (
ctxt "context"
"fmt"
"sync"
"time"
"github.com/mmcdole/gofeed"
"github.com/Necoro/feed2imap-go/internal/config"
"github.com/Necoro/feed2imap-go/internal/log"
)
func context() (ctxt.Context, ctxt.CancelFunc) {
return ctxt.WithTimeout(ctxt.Background(), 60*time.Second)
}
func parseFeed(feed *config.Feed) error {
ctx, cancel := context()
defer cancel()
fp := gofeed.NewParser()
if _, err := fp.ParseURLWithContext(feed.Url, ctx); err != nil {
return fmt.Errorf("while fetching %s from %s: %w", feed.Name, feed.Url, err)
}
return nil
}
func handleFeed(feed *config.Feed, wg *sync.WaitGroup) {
defer wg.Done()
log.Printf("Fetching %s from %s", feed.Name, feed.Url)
if err := parseFeed(feed); err != nil {
log.Error(err)
}
}
func Parse(feeds config.Feeds) {
var wg sync.WaitGroup
wg.Add(len(feeds))
for _, feed := range feeds {
go handleFeed(feed, &wg)
}
wg.Wait()
}
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