Expand all issue with multilevel hierarchies issue in custom data source API

Data source

by ilaria_nunziante

HTML

<link rel="stylesheet" href="https://s3.amazonaws.com/flexmonster/2.3/demo.css">
<script src="https://cdn.flexmonster.com/flexmonster.js"></script>
<div id="pivot-container"></div>

JavaScript

var pivot = new Flexmonster({
  container: "#pivot-container",
  componentFolder: "https://cdn.flexmonster.com/",
  width: "100%",
  height: 550,
  toolbar: true,
  report: {
    dataSource: {
      type: "api",
      url: "https://olap.flexmonster.com:9500",
      index: "fm-product-sales",
      mapping: {
        "Category": {
          type: "level",
          hierarchy: "Item"
        },
        "Business Type": {
          type: "level",
          hierarchy: "Item",
          parent: "Category"
        },
        "Color": {
          type: "level",
          hierarchy: "Item",
          parent: "Business Type"
        }
      }
    },
    slice: {
      rows: [{
        uniqueName: "Country"
      }, {
        uniqueName: "Destination",
        filter: {
          members: ["destination.[australia]",
            "destination.[canada]"
          ]
        }
      }, {
        uniqueName: "Size",
      }, {
        uniqueName: "[Measures]"
      }],
      columns: [{
        uniqueName: "Item",
        //levelName: "Business Type"
      }],
      measures: [{
        uniqueName: "Price",
        aggregation: "sum"
      }]
    }
  }
});