下载bbc音频并发邮件 完善

bbclearn/bbc.go

@@ -3,6 +3,7 @@ package bbclearn
 import (
 	"github.com/PuerkitoBio/goquery"
 	"github.com/fthvgb1/wp-go/rss2"
+	"github.com/fthvgb1/wp-go/safety"
 	"io"
 	"log"
 	"net/http"
@@ -77,10 +78,15 @@ func fetch(u string) (r rss2.Item) {
 	r.PubDate = date.Format(time.RFC1123Z)
 	r.Guid = u
 	r.Description = content
-	go downAndSendMail(dom, r.Title)
+	if _, ok := hadSend.Load(r.Title); !ok {
+		go downAndSendMail(dom, r.Title)
+	}
+
 	return
 }
 
+var hadSend = safety.NewMap[string, struct{}]()
+
 func downAndSendMail(doc *goquery.Document, title string) {
 	type m struct {
 		tit     string
@@ -117,6 +123,7 @@ func downAndSendMail(doc *goquery.Document, title string) {
 		return
 	}
 	mail.SendMail(mm.tit, mm.content, mm.f...)
+	hadSend.Store(mm.tit, struct{}{})
 	for _, s := range mm.f {
 		err := os.Remove(s)
 		if err != nil {