refactor(app): introduce new project structure for the frontend (#1623)

app/docker/helpers/volumeHelper.js

@@ -0,0 +1,30 @@
+angular.module('portainer.docker')
+.factory('VolumeHelper', [function VolumeHelperFactory() {
+  'use strict';
+  var helper = {};
+
+  helper.createDriverOptions = function(optionArray) {
+    var options = {};
+    optionArray.forEach(function (option) {
+      options[option.name] = option.value;
+    });
+    return options;
+  };
+
+  helper.isVolumeUsedByAService = function(volume, services) {
+    for (var i = 0; i < services.length; i++) {
+      var service = services[i];
+      var mounts = service.Mounts;
+      for (var j = 0; j < mounts.length; j++) {
+        var mount = mounts[j];
+        if (mount.Source === volume.Id) {
+          return true;
+        }
+      }
+    }
+
+    return false;
+  };
+
+  return helper;
+}]);