Fix repair :)

pkg/realdebrid/unrestrict.go

@@ -20,14 +20,31 @@ func (rd *RealDebrid) UnrestrictUntilOk(link string) *UnrestrictResponse {
 }
 
 func retryUntilOk[T any](fn func() (T, error)) T {
-	const initialDelay = 1 * time.Second
+	const initialDelay = 2 * time.Second
 	const maxDelay = 128 * time.Second
-	for i := 0; ; i++ {
-		result, err := fn()
-		if err == nil || !strings.Contains(err.Error(), "429") {
+	const maxRetries = 5 // Maximum retries for non-429 errors
+
+	var result T
+	var err error
+	var retryCount int
+
+	for {
+		result, err = fn()
+		if err == nil {
 			return result
 		}
-		delay := time.Duration(math.Min(float64(initialDelay*time.Duration(math.Pow(2, float64(i)))), float64(maxDelay)))
+
+		// If error is 429, we retry indefinitely, hence no condition to break the loop.
+		if !strings.Contains(err.Error(), "429") {
+			retryCount++
+			if retryCount >= maxRetries {
+				// If we've reached the maximum retries for errors other than 429, return the last result.
+				return result
+			}
+		}
+
+		// Calculate delay with exponential backoff
+		delay := time.Duration(math.Min(float64(initialDelay)*math.Pow(2, float64(retryCount)), float64(maxDelay)))
 		time.Sleep(delay)
 	}
 }