public ActionResult Summary(int index)
        {
            TaskManager = (ImportMetadataStructureTaskManager)Session["TaskManager"];
            //set current stepinfo based on index
            if (TaskManager != null)
                TaskManager.SetCurrent(index);

            SummaryModel model = new SummaryModel(TaskManager.Current());
            model.StepInfo = TaskManager.Current();

            if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.ROOT_NODE))
                model.RootName = TaskManager.Bus[ImportMetadataStructureTaskManager.ROOT_NODE].ToString();

            if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.SCHEMA_NAME))
                model.SchemaName = TaskManager.Bus[ImportMetadataStructureTaskManager.SCHEMA_NAME].ToString();

            return PartialView(model);
        }
        public ActionResult Save(ParametersModel model)
        {
            TaskManager = (ImportMetadataStructureTaskManager)Session["TaskManager"];

            long metadatstructureId = Convert.ToInt64(TaskManager.Bus[ImportMetadataStructureTaskManager.METADATASTRUCTURE_ID]);

            model.MetadataNodes = GetMetadataNodes();

            model.StepInfo = TaskManager.Current();
            model.StepInfo.notExecuted = false;

            if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.TITLE_NODE))
                TaskManager.Bus[ImportMetadataStructureTaskManager.TITLE_NODE] = model.TitleNode;
            else
                TaskManager.Bus.Add(ImportMetadataStructureTaskManager.TITLE_NODE, model.TitleNode);

            if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.DESCRIPTION_NODE))
                TaskManager.Bus[ImportMetadataStructureTaskManager.DESCRIPTION_NODE] = model.DescriptionNode;
            else
                TaskManager.Bus.Add(ImportMetadataStructureTaskManager.DESCRIPTION_NODE, model.DescriptionNode);

            if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.ENTITY_TYPE_NODE))
                TaskManager.Bus[ImportMetadataStructureTaskManager.ENTITY_TYPE_NODE] = model.EntityType;
            else
                TaskManager.Bus.Add(ImportMetadataStructureTaskManager.ENTITY_TYPE_NODE, model.EntityType);

            string mappingFilePathImport = TaskManager.Bus[ImportMetadataStructureTaskManager.MAPPING_FILE_NAME_IMPORT].ToString();
            string mappingFilePathExport = TaskManager.Bus[ImportMetadataStructureTaskManager.MAPPING_FILE_NAME_EXPORT].ToString();

            try
            {
                StoreParametersToMetadataStruture(metadatstructureId, model.TitleNode, model.EntityType, model.DescriptionNode, mappingFilePathImport, mappingFilePathExport);
            }
            catch (Exception ex)
            {
                ModelState.AddModelError("", ex.Message);
            }

            return PartialView("SetParameters",model);
        }
        public ActionResult SetParameters(int? index, string name = null)
        {
            TaskManager = (ImportMetadataStructureTaskManager)Session["TaskManager"];

            ParametersModel model = new ParametersModel();
            model.StepInfo = TaskManager.Current();

            if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.TITLE_NODE)
                && TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.DESCRIPTION_NODE)
                && TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.ENTITY_TYPE_NODE))
            {
                long id = Convert.ToInt64((TaskManager.Bus[ImportMetadataStructureTaskManager.METADATASTRUCTURE_ID]));

                string mappingFilePathImport = TaskManager.Bus[ImportMetadataStructureTaskManager.MAPPING_FILE_NAME_IMPORT].ToString();
                string mappingFilePathExport = TaskManager.Bus[ImportMetadataStructureTaskManager.MAPPING_FILE_NAME_EXPORT].ToString();
                string titleXpath = TaskManager.Bus[ImportMetadataStructureTaskManager.TITLE_NODE].ToString();
                string descriptionXpath = TaskManager.Bus[ImportMetadataStructureTaskManager.DESCRIPTION_NODE].ToString();
                string entity = TaskManager.Bus[ImportMetadataStructureTaskManager.ENTITY_TYPE_NODE].ToString();
                model.TitleNode = GetMetadataNodes().First(p => p.XPath.Equals(titleXpath)).DisplayName;
                model.DescriptionNode = GetMetadataNodes().First(p => p.XPath.Equals(descriptionXpath)).DisplayName;
                model.EntityType = TaskManager.Bus[ImportMetadataStructureTaskManager.ENTITY_TYPE_NODE].ToString();

                TaskManager.Current().SetValid(true);

                try
                {
                    StoreParametersToMetadataStruture(id, titleXpath,  descriptionXpath, entity, mappingFilePathImport, mappingFilePathExport);
                }
                catch (Exception ex)
                {
                    TaskManager.Current().SetValid(false);
                    ModelState.AddModelError("", ex.Message);
                }
            }
            else
            {
                //set existing parameter
                if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.TITLE_NODE))
                    model.TitleNode = GetMetadataNodes().First(p => p.XPath.Equals(TaskManager.Bus[ImportMetadataStructureTaskManager.TITLE_NODE].ToString())).DisplayName; ;
                if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.DESCRIPTION_NODE))
                    model.DescriptionNode = GetMetadataNodes().First(p => p.XPath.Equals(TaskManager.Bus[ImportMetadataStructureTaskManager.DESCRIPTION_NODE].ToString())).DisplayName; ;

                TaskManager.Current().SetValid(false);
                ModelState.AddModelError("", "Please select the missing field");
            }

            if (TaskManager.Current().IsValid())
            {
                TaskManager.Current().SetStatus(StepStatus.success);
                TaskManager.AddExecutedStep(TaskManager.Current());
                TaskManager.GoToNext();
                Session["TaskManager"] = TaskManager;
                ActionInfo actionInfo = TaskManager.Current().GetActionInfo;
                return RedirectToAction(actionInfo.ActionName, actionInfo.ControllerName, new RouteValueDictionary { { "area", actionInfo.AreaName }, { "index", TaskManager.GetCurrentStepInfoIndex() } });
            }

            if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.METADATASTRUCTURE_ID))
            {
                long metadatstructureId = Convert.ToInt64(TaskManager.Bus[ImportMetadataStructureTaskManager.METADATASTRUCTURE_ID]);
                model.MetadataNodes = GetMetadataNodes();
                model.StepInfo.notExecuted = true;
            }

            return PartialView(model);
        }
        public ActionResult SetParameters(int index)
        {
            TaskManager = (ImportMetadataStructureTaskManager)Session["TaskManager"];
            long metadatstructureId = 0;

            ParametersModel model = new ParametersModel();

            if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.METADATASTRUCTURE_ID))
            {
                metadatstructureId = Convert.ToInt64(TaskManager.Bus[ImportMetadataStructureTaskManager.METADATASTRUCTURE_ID]);

                //set current stepinfo based on index
                if (TaskManager != null)
                    TaskManager.SetCurrent(index);

                model.MetadataNodes = GetMetadataNodes();
                model.Entities = GetEntityList();
            }
            else
            {
                ModelState.AddModelError("", "MetadataStructure not exist");
            }

            if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.TITLE_NODE))
                model.TitleNode = GetDisplayName((string) TaskManager.Bus[ImportMetadataStructureTaskManager.TITLE_NODE]);

            if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.DESCRIPTION_NODE))
                model.DescriptionNode =
                    GetDisplayName((string) TaskManager.Bus[ImportMetadataStructureTaskManager.DESCRIPTION_NODE]);
            if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.ENTITY_TYPE_NODE))
                model.EntityType = TaskManager.Bus[ImportMetadataStructureTaskManager.ENTITY_TYPE_NODE].ToString();

            model.StepInfo = TaskManager.Current();
            model.StepInfo.notExecuted = true;

               return PartialView(model);
        }
        public ActionResult GenerateMS()
        {
            //open schema
                XmlSchemaManager xmlSchemaManager = new XmlSchemaManager();

                string root = "";
                string schemaName = "";
                long metadataStructureid = 0;

                TaskManager = (ImportMetadataStructureTaskManager) Session["TaskManager"];

                if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.ROOT_NODE))
                    root = TaskManager.Bus[ImportMetadataStructureTaskManager.ROOT_NODE].ToString();

                if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.SCHEMA_NAME))
                    schemaName = TaskManager.Bus[ImportMetadataStructureTaskManager.SCHEMA_NAME].ToString();

                string path = TaskManager.Bus[ImportMetadataStructureTaskManager.FILEPATH].ToString();
                //path = @"https://code.ecoinformatics.org/code/eml/tags/RELEASE_EML_2_1_1/eml.xsd";

                ReadSourceModel model = new ReadSourceModel(TaskManager.Current());
                model.SchemaName = schemaName;
                model.RootNode = root;

                try
                {
                    //file.WriteLine("check schema exist");
                    if (SchemaNameExist(schemaName))
                    {
                        model.ErrorList.Add(new Error(ErrorType.Other,
                            "A Metadata structure with this name already exist. Please choose a other name."));
                    }
                    else
                    if (String.IsNullOrEmpty(schemaName))
                    {
                        model.ErrorList.Add(new Error(ErrorType.Other, "A Metadata structure must have a name."));
                    }
                    else
                        xmlSchemaManager.Load(path, GetUserNameOrDefault());

                    if (!String.IsNullOrEmpty(model.RootNode) && !xmlSchemaManager.Elements.Any(e => e.Name.Equals(model.RootNode)))
                    {
                        model.ErrorList.Add(new Error(ErrorType.Other, "Root node not exist"));
                    }

                }
                catch (Exception ex)
                {
                    ModelState.AddModelError("", ex.Message);
                    model.ErrorList.Add(new Error(ErrorType.Other, "Can not create metadatastructure."));
                    throw ex;
                }

                if (model.ErrorList.Count == 0)
                {
                    try
                    {
                        metadataStructureid = xmlSchemaManager.GenerateMetadataStructure(root, schemaName);
                    }
                    catch (Exception ex)
                    {
                        xmlSchemaManager.Delete(schemaName);
                        ModelState.AddModelError("", ex.Message);
                        model.ErrorList.Add(new Error(ErrorType.Other, "Can not create metadatastructure."));
                    }
                }

                TaskManager.AddToBus(ImportMetadataStructureTaskManager.MAPPING_FILE_NAME_IMPORT,
                    xmlSchemaManager.mappingFileNameImport);
                TaskManager.AddToBus(ImportMetadataStructureTaskManager.MAPPING_FILE_NAME_EXPORT,
                    xmlSchemaManager.mappingFileNameExport);

                model.StepInfo.notExecuted = false;

                if (model.ErrorList.Count == 0)
                {
                    model.IsGenerated = true;

                    if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.IS_GENERATE))
                        TaskManager.Bus[ImportMetadataStructureTaskManager.IS_GENERATE] = true;
                    else
                        TaskManager.Bus.Add(ImportMetadataStructureTaskManager.IS_GENERATE, true);

                    if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.METADATASTRUCTURE_ID))
                        TaskManager.Bus[ImportMetadataStructureTaskManager.METADATASTRUCTURE_ID] = metadataStructureid;
                    else
                        TaskManager.Bus.Add(ImportMetadataStructureTaskManager.METADATASTRUCTURE_ID, metadataStructureid);
                }

            return PartialView("ReadSource",model);
        }
        public ActionResult ReadSource(object[] data)
        {
            TaskManager = (ImportMetadataStructureTaskManager)Session["TaskManager"];

            ReadSourceModel model = new ReadSourceModel(TaskManager.Current());

            if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.IS_GENERATE))
            {
                TaskManager.Current().SetValid(true);
                TaskManager.Current().SetStatus(StepStatus.success);
            }
            else
            {
                ModelState.AddModelError("", "Please click generate button.");
            }

            if (TaskManager.Current().IsValid())
            {
                TaskManager.AddExecutedStep(TaskManager.Current());
                TaskManager.GoToNext();
                Session["TaskManager"] = TaskManager;
                ActionInfo actionInfo = TaskManager.Current().GetActionInfo;
                return RedirectToAction(actionInfo.ActionName, actionInfo.ControllerName, new RouteValueDictionary { { "area", actionInfo.AreaName }, { "index", TaskManager.GetCurrentStepInfoIndex() } });
            }

            return PartialView(model);
        }
        public ActionResult ReadSource(int index)
        {
            TaskManager = (ImportMetadataStructureTaskManager)Session["TaskManager"];
            //set current stepinfo based on index
            if (TaskManager != null)
            {
                TaskManager.SetCurrent(index);
                TaskManager.RemoveExecutedStep(TaskManager.Current());
                TaskManager.Current().notExecuted = true;
            }

            ReadSourceModel model = new ReadSourceModel(TaskManager.Current());

            if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.IS_GENERATE))
                model.IsGenerated = (bool)TaskManager.Bus[ImportMetadataStructureTaskManager.IS_GENERATE];

            if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.ROOT_NODE))
                model.RootNode = TaskManager.Bus[ImportMetadataStructureTaskManager.ROOT_NODE].ToString();

            if (TaskManager.Bus.ContainsKey(ImportMetadataStructureTaskManager.SCHEMA_NAME))
                model.SchemaName = TaskManager.Bus[ImportMetadataStructureTaskManager.SCHEMA_NAME].ToString();

            return PartialView(model);
        }