Fix panic on scryfall error

internal/cardsinfo/names.go

@@ -2,11 +2,12 @@ package cardsinfo
 
 import (
 	"encoding/json"
-	"gitlab.com/flygrounder/go-mtg-vk/internal/dicttranslate"
 	"io/ioutil"
 	"net/http"
 	"net/url"
 	"strings"
+
+	"gitlab.com/flygrounder/go-mtg-vk/internal/dicttranslate"
 )
 
 const scryfallUrl = "https://api.scryfall.com"
@@ -38,13 +39,16 @@ func applyFilters(name string) string {
 }
 
 func getCardByUrl(path string) string {
-	response, _ := http.Get(path)
+	response, err := http.Get(path)
+	if err != nil {
+		return ""
+	}
 	defer func() {
 		_ = response.Body.Close()
 	}()
 	data, _ := ioutil.ReadAll(response.Body)
 	var v card
-	err := json.Unmarshal(data, &v)
+	err = json.Unmarshal(data, &v)
 	if err != nil {
 		return ""
 	}

internal/cardsinfo/names_test.go

@@ -1,10 +1,12 @@
 package cardsinfo
 
 import (
-	"github.com/stretchr/testify/assert"
-	"gopkg.in/h2non/gock.v1"
+	"errors"
 	"net/http"
 	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"gopkg.in/h2non/gock.v1"
 )
 
 func TestGetNameByCardId(t *testing.T) {
@@ -64,3 +66,12 @@ func TestGetOriginalName_DoubleSide(t *testing.T) {
 	name := f.GetOriginalName("card")
 	assert.Equal(t, "Legion's Landing | Adanto, the First Fort", name)
 }
+
+func TestGetOriginalName_Error(t *testing.T) {
+	defer gock.Off()
+
+	gock.New(scryfallUrl + "/cards/named?fuzzy=card").ReplyError(errors.New("internal server error"))
+	f := &Fetcher{}
+	name := f.GetOriginalName("card")
+	assert.Equal(t, "", name)
+}