1 files changed, 49 insertions, 0 deletions
diff --git a/openecomp-ui/src/nfvo-utils/ShowFileSaveDialog.js b/openecomp-ui/src/nfvo-utils/ShowFileSaveDialog.js
new file mode 100644
index 0000000000..bddd49c700
--- /dev/null
+++ b/openecomp-ui/src/nfvo-utils/ShowFileSaveDialog.js
@@ -0,0 +1,49 @@
+/*
+ * Copyright © 2016-2017 European Support Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+function getTimestampString() {
+	let date = new Date();
+	let z = n => n < 10 ? '0' + n : n;
+	return `${date.getFullYear()}-${z(date.getMonth())}-${z(date.getDate())}_${z(date.getHours())}-${z(date.getMinutes())}`;
+}
+
+
+export default function showFileSaveDialog({blob, headers, defaultFilename, addTimestamp}) {
+	let filename;
+	let contentDisposition = headers['content-disposition'] ? headers['content-disposition'] : '';
+	let match = contentDisposition ? contentDisposition.match(/filename=(.*?)(;|$)/) : false;
+	if (match) {
+		filename = match[1];
+	} else {
+		filename = defaultFilename;
+	}
+
+	if (addTimestamp) {
+		filename = filename.replace(/(^.*?)\.([^.]+$)/, `$1_${getTimestampString()}.$2`);
+	}
+
+	let link = document.createElement('a');
+	let url = URL.createObjectURL(blob);
+	link.href = url;
+	link.download = filename;
+	link.style.display = 'none';
+	document.body.appendChild(link);
+	link.click();
+	setTimeout(function(){
+		document.body.removeChild(link);
+		URL.revokeObjectURL(url);
+	}, 0);
+};