feat: follow jackett redirect to get real link

pkg/metadata/tv.go

@@ -19,13 +19,10 @@ type Metadata struct {
 
 func ParseTv(name string) *Metadata {
 	name = strings.ToLower(name)
-	if utils.IsASCII(name) { //english name
-		return parseEnglishName(name)
-	}
 	if utils.ContainsChineseChar(name) {
 		return parseChineseName(name)
 	}
-	return nil
+	return parseEnglishName(name)
 }
 
 func parseEnglishName(name string) *Metadata {

pkg/transmission/transmission.go

@@ -3,8 +3,11 @@ package transmission
 import (
 	"context"
 	"encoding/json"
+	"fmt"
+	"net/http"
 	"net/url"
 	"polaris/log"
+	"strings"
 
 	"github.com/hekmon/transmissionrpc/v3"
 	"github.com/pkg/errors"
@@ -39,11 +42,33 @@ type Client struct {
 }
 
 func (c *Client) Download(link, dir string) (*Torrent, error) {
+	if strings.HasPrefix(link, "http") {
+		client := &http.Client{
+			CheckRedirect: func(req *http.Request, via []*http.Request) error {
+				return http.ErrUseLastResponse
+			},
+		}
+		resp, err:=client.Get(link)
+		if err == nil {
+			if resp.StatusCode == http.StatusFound {
+				loc, err := resp.Location()
+				if err == nil {
+					link = loc.String()
+					log.Warnf("transimision redirect to url: %v", link)
+				}
+			}
+	
+		}
+	
+	} 
 	t, err := c.c.TorrentAdd(context.TODO(), transmissionrpc.TorrentAddPayload{
 		Filename:    &link,
 		DownloadDir: &dir,
 	})
 	log.Infof("get torrent info: %+v", t)
+	if t.ID == nil {
+		return nil, fmt.Errorf("download torrent error: %v", link)
+	}
 
 	return &Torrent{
 		ID:     *t.ID,