refactor: http retry for retryable errors (#20)

media/tvdb/media.go

@@ -20,13 +20,9 @@ func (c *Client) GetItem(tvdbId string) (*Item, error) {
 
 	// prepare request
 	reqUrl := util.JoinURL(c.apiURL, "series", tvdbId)
-	c.log.Trace().
-		Str("url", reqUrl).
-		Msg("Searching tvdb")
 
 	// send request
-	c.rl.Take()
-	resp, err := rek.Get(reqUrl, rek.Headers(c.apiHeaders), rek.Timeout(c.apiTimeout))
+	resp, err := rek.Get(reqUrl, rek.Client(c.http), rek.Headers(c.apiHeaders))
 	if err != nil {
 		return nil, fmt.Errorf("request lookup: %w", err)
 	}

media/tvdb/tvdb.go

@@ -3,31 +3,35 @@ package tvdb
 import (
 	"fmt"
 	"github.com/l3uddz/nabarr/logger"
+	"github.com/l3uddz/nabarr/util"
 	"github.com/rs/zerolog"
 	"go.uber.org/ratelimit"
+	"net/http"
 	"time"
 )
 
 type Client struct {
-	apiKey string
-	log    zerolog.Logger
-	rl     ratelimit.Limiter
+	log  zerolog.Logger
+	http *http.Client
 
+	apiKey     string
 	apiURL     string
 	apiHeaders map[string]string
-	apiTimeout time.Duration
 }
 
 func New(cfg *Config) *Client {
-	return &Client{
-		apiKey: cfg.ApiKey,
-		log:    logger.New(cfg.Verbosity).With().Logger(),
-		rl:     ratelimit.New(1, ratelimit.WithoutSlack),
+	l := logger.New(cfg.Verbosity).With().
+		Str("media", "tvdb").
+		Logger()
 
+	return &Client{
+		log:  l,
+		http: util.NewRetryableHttpClient(30*time.Second, ratelimit.New(1, ratelimit.WithoutSlack), &l),
+
+		apiKey: cfg.ApiKey,
 		apiURL: "https://api.thetvdb.com",
 		apiHeaders: map[string]string{
 			"Authorization": fmt.Sprintf("Bearer %s", cfg.ApiKey),
 		},
-		apiTimeout: 30 * time.Second,
 	}
 }