append metadata tags after saving tracks

also rewrite requests to monochrome using 2 helper methods

monochrome/search.go

@@ -1,10 +1,9 @@
 package monochrome
 
 import (
+	"bytes"
 	"encoding/json"
 	"fmt"
-	"net/http"
-	"net/url"
 )
 
 type SearchItemType = string
@@ -44,23 +43,20 @@ type SearchResponse struct {
 }
 
 func (c *Client) SearchAlbum(q string) ([]SearchAlbum, error) {
-	req, err := http.NewRequest("GET", c.config.ApiURL+"/search", nil)
+	req, err := c.makeRequest("GET", "/search", nil, map[string]string{
+		"al": q,
+	})
 	if err != nil {
 		return nil, fmt.Errorf("failed to create request: %v", err)
 	}
 
-	params := url.Values{}
-	params.Set("al", q)
-	req.URL.RawQuery = params.Encode()
-
-	resp, err := http.DefaultClient.Do(req)
+	data, err := c.do(req)
 	if err != nil {
 		return nil, fmt.Errorf("failed to send request: %v", err)
 	}
-	defer resp.Body.Close()
 
 	response := SearchResponse{}
-	if err := json.NewDecoder(resp.Body).Decode(&response); err != nil {
+	if err := json.NewDecoder(bytes.NewReader(data)).Decode(&response); err != nil {
 		return nil, fmt.Errorf("failed to decode json response: %v", err)
 	}