META-224:Exporting metadata packages on-the-fly should not require yo…

…u to specify ids/uuids of existing items

omod/src/main/java/org/openmrs/module/metadatasharing/web/controller/PublishController.java

@@ -15,6 +15,7 @@
 
 import java.io.IOException;
 import java.util.Date;
+import java.util.List;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
@@ -226,7 +227,18 @@ public void getNewPackage(@RequestParam(required = false)
 								}
 							}
 						}
-					}
+						if(uuids==null && ids==null && modifiedSince!=null) {
+							List<Object> items=Handler.getItems(type, true, null, null, null);
+							if (items != null) {
+								for(Object item: items ) {								
+									if (modifiedSince == null
+											|| OpenmrsUtil.compareWithNullAsEarliest(Handler.getDateChanged(item),
+												modifiedSince) > 0) {
+										exporter.addItem(item);
+									}
+								}
+							}
+						}
 					exporter.getPackage().setName("Package");
 					exporter.getPackage().setDescription(
 					    "Contains " + exporter.getPackage().getItems().size() + " items of type " + type.getSimpleName());
@@ -237,7 +249,8 @@ public void getNewPackage(@RequestParam(required = false)
 					response.setHeader("Content-Disposition", "attachment; filename=\"metadata.zip\"");
 					MetadataZipper zipper = new MetadataZipper();
 					zipper.zipPackage(response.getOutputStream(), exporter.getExportedPackage().getSerializedPackage());
-				}
+						}
+					}					
 				finally {
 					Context.removeProxyPrivilege(MetadataSharingConsts.MODULE_PRIVILEGE);
 					Context.removeProxyPrivilege(privilegeCompatibility.GET_CONCEPTS());