fixed #65 Export Packing List > IllegalStateException: getOutputStrea…

…m() has already been called for this response

grails-app/controllers/org/pih/warehouse/shipping/ShipmentController.groovy

@@ -1073,6 +1073,44 @@ class ShipmentController {
 
  redirect(controller: "inventory", action: "browse")
  }
+
+
+
+ def exportPackingList = {
+ log.info "Export packing list for shipment " + params
+ Shipment shipment = Shipment.get(params.id)
+ if (!shipment) {
+ throw new Exception("Could not locate shipment with ID " + params.id)
+ }
+
+ OutputStream outputStream = null
+ try {
+ // Write the file to the response
+ ByteArrayOutputStream baos = new ByteArrayOutputStream()
+ response.contentType = "application/vnd.ms-excel"
+ response.setHeader 'Content-disposition', "attachment; filename=\"Shipment ${shipment?.shipmentNumber} - Packing List.xls\""
+ shipmentService.exportPackingList(params.id, baos)
+ response.outputStream << baos.toByteArray()
+ response.outputStream.flush();
+ return;
+
+ } catch (IOException e) {
+ flash.message = "Failed to export packing list due to the following error: " + e.message
+ } catch (Exception e) {
+ log.warn("Failed to export packing list due to the following error: " + e.message, e)
+ flash.message = "Failed to export packing list due to the following error: " + e.message
+ } finally {
+ if (outputStream != null){
+ try {
+ outputStream.close()
+ } catch (IOException e) {
+ log.error('IOException occurred while closing output stream', e)
+ }
+ }
+ }
+ redirect(controller: "shipment", action: "showDetails", id: params.id)
+ }
+
 }
 
 class ReceiveShipmentCommand implements Serializable {

grails-app/views/createShipmentWorkflow/_containerButtons.gsp

@@ -35,7 +35,7 @@
  <button id="btnAddContents" class="button icon log">
  <warehouse:message code="shipping.importPackingList.label" default="Import packing list"/></button>
 
- <g:link controller="createShipmentWorkflow" action="createShipment" event="exportPackingList" id="${shipmentInstance.id}" class="button icon arrowdown">
+ <g:link controller="shipment" action="exportPackingList" id="${shipmentInstance.id}" class="button icon arrowdown">
  <warehouse:message code="shipping.exportPackingList.label" default="Export packing list"/>
  </g:link>