add good_id

plati/goodscategory.go

@@ -181,6 +181,16 @@ type Good struct {
 	Price        float64
 }
 
+func (g *Good) GoodID() int {
+	linkArr := strings.Split(g.GoodLink, "/")
+	if len(linkArr) < 3 {
+		return 0
+	}
+
+	id, _ := strconv.Atoi(linkArr[3])
+	return id
+}
+
 func parseGoodsCategory(r io.Reader) ([]*Good, error) {
 	doc, err := goquery.NewDocumentFromReader(r)
 	if err != nil {

plati/goodscategory_test.go

@@ -51,3 +51,30 @@ func Test_parseGoodsCategory(t *testing.T) {
 		})
 	}
 }
+
+func TestGood_GoodID(t *testing.T) {
+	type fields struct {
+		GoodLink string
+	}
+	tests := []struct {
+		fields fields
+		want   int
+	}{
+		{
+			fields: fields{
+				GoodLink: "/itm/mortal-kombat-1-ua-kz-auto-24-7/4107232",
+			},
+			want: 4107232,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.fields.GoodLink, func(t *testing.T) {
+			g := &Good{
+				GoodLink: tt.fields.GoodLink,
+			}
+			if got := g.GoodID(); got != tt.want {
+				t.Errorf("Good.GoodID() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}