fixed error where http.statuscode was never checked

pkg/funcs.go

@@ -26,19 +26,16 @@ type mashup interface {
 
 func (c *tempCountry) unmarshal(resp *http.Response) error {
 	err := json.NewDecoder(resp.Body).Decode(&c)
-	defer resp.Body.Close()
 	return err
 }
 
 func (r *response) unmarshal(resp *http.Response) error {
 	err := json.NewDecoder(resp.Body).Decode(&r)
-	defer resp.Body.Close()
 	return err
 }
 
 func (s *Specie) unmarshal(resp *http.Response) error {
 	err := json.NewDecoder(resp.Body).Decode(&s)
-	defer resp.Body.Close()
 	return err
 }
 
@@ -51,17 +48,20 @@ func getBody(url string, m mashup) error {
 		return err
 	}
 
-	// decodes the http response & closes the body
-	err = unfold(m, resp)
-	if err != nil {
-		return err
-	}
+	// ensure that response body is closed
+	defer resp.Body.Close()
 
-	// sends appropriate error
+	// sends appropriate error if status code is not 200 OK
 	if resp.StatusCode != http.StatusOK {
 		return fmt.Errorf("bad status code: %d", resp.StatusCode)
 	}
 
+	// decodes the http response
+	err = unfold(m, resp)
+	if err != nil {
+		return err
+	}
+
 	// all went well
 	return nil
 }