refs #3951

Reviewed-on: #1100
Reviewed-by: Joan Sanchez <joan@verdnatura.es>

@@ -11,2 +25,2 @@
-        let url = `api/InvoiceOuts/${id}/download?access_token=${this.vnToken.token}`;
-        window.open(url, '_blank');
+    openPdf() {
+        if (this.checked.length <= 1) {

@@ -13,0 +34,4 @@
+            };
+            this.$http.post(`InvoiceOuts/downloadZip`, params)
+                .then(res => {
+                    location.href = 'data:application/zip;base64,' + res.data;