public virtual ActionResult SelectCategories(string folderName, string selected, int? page, int? pageSize, string search, IEnumerable<WhereClause> whereClause)
{
var textFolder = (TextFolder)(FolderHelper.Parse<TextFolder>(Repository, folderName).AsActual());
var singleChoice = string.Equals("True", Request.RequestContext.GetRequestValue("SingleChoice"), StringComparison.OrdinalIgnoreCase);
Schema schema = new Schema(Repository, textFolder.SchemaName).AsActual();
SchemaPath schemaPath = new SchemaPath(schema);
ViewData["Folder"] = textFolder;
ViewData["Schema"] = schema;
ViewData["Template"] = textFolder.GetFormTemplate(FormType.Selectable);
ViewData["WhereClause"] = whereClause;
IEnumerable<TextFolder> childFolders = new TextFolder[0];
//Skip the child folders on the embedded folder grid.
if (!page.HasValue || page.Value <= 1)
{
childFolders = ServiceFactory.TextFolderManager.ChildFoldersWithSameSchema(textFolder).Select(it => it.AsActual());
}
var query = textFolder.CreateQuery().DefaultOrder();
bool showTreeStyle = schema.IsTreeStyle;
if (showTreeStyle)
{
query = query.Where(new OrElseExpression(new WhereEqualsExpression(null, "ParentUUID", null), new WhereEqualsExpression(null, "ParentUUID", "")));
}
if (!string.IsNullOrEmpty(search))
{
IWhereExpression exp = new FalseExpression();
foreach (var item in schema.Columns.Where(it => it.ShowInGrid))
{
exp = new OrElseExpression(exp, (new WhereContainsExpression(null, item.Name, search)));
}
if (exp != null)
{
query = query.Where(exp);
}
}
if (whereClause != null && whereClause.Count() > 0)
{
var expression = WhereClauseToContentQueryHelper.Parse(whereClause, schema, new MVCValueProviderWrapper(ValueProvider));
query = query.Where(expression);
}
var contents = query.ToPageList(page ?? 1, pageSize ?? textFolder.PageSize);
SelectableViewModel viewModel = new SelectableViewModel() { ChildFolders = childFolders, Contents = contents, SingleChoice = singleChoice };
if (Request.IsAjaxRequest())
{
return PartialView("", viewModel);
}
else
{
IEnumerable<TextContent> selectedContents = new TextContent[0];
if (!string.IsNullOrEmpty(selected))
{
string[] selectedArr = selected.Split(',');
IContentQuery<TextContent> selectedQuery = textFolder.CreateQuery().DefaultOrder();
foreach (var userKey in selectedArr)
{
selectedQuery = selectedQuery.Or((IWhereExpression)textFolder.CreateQuery().DefaultOrder().WhereEquals("UUID", userKey).Expression);
}
selectedContents = selectedQuery;
}
viewModel.Selected = selectedContents;
}
return View(viewModel);
}
public virtual ActionResult Index(string folderName, string parentUUID, string parentFolder, string search
, IEnumerable<WhereClause> whereClause, int? page, int? pageSize, string orderField = null, string direction = null)
{
//compatible with the Folder parameter changed to FolderName.
folderName = folderName ?? this.ControllerContext.RequestContext.GetRequestValue("Folder");
TextFolder textFolder = new TextFolder(Repository, folderName).AsActual();
var schema = textFolder.GetSchema().AsActual();
SchemaPath schemaPath = new SchemaPath(schema);
ViewData["Folder"] = textFolder;
ViewData["Schema"] = schema;
ViewData["Template"] = textFolder.GetFormTemplate(FormType.Grid);
ViewData["WhereClause"] = whereClause;
SetPermissionData(textFolder);
IEnumerable<TextFolder> childFolders = new TextFolder[0];
//Skip the child folders on the embedded folder grid.
if (string.IsNullOrEmpty(parentFolder))
{
if (!page.HasValue || page.Value <= 1)
{
childFolders = ServiceFactory.TextFolderManager.ChildFolders(textFolder, search).Select(it => it.AsActual());
}
}
IContentQuery<TextContent> query = textFolder.CreateQuery();
if (string.IsNullOrEmpty(orderField))
{
query = query.DefaultOrder();
}
else
{
if (!string.IsNullOrEmpty(direction) && direction.ToLower() == "desc")
{
query = query.OrderByDescending(orderField);
}
else
{
query = query.OrderBy(orderField);
}
}
bool showTreeStyle = schema.IsTreeStyle;
//如果有带搜索条件，则不输出树形结构
if (!string.IsNullOrEmpty(search))
{
IWhereExpression exp = new FalseExpression();
foreach (var item in schema.Columns.Where(it => it.ShowInGrid))
{
exp = new OrElseExpression(exp, (new WhereContainsExpression(null, item.Name, search)));
}
if (exp != null)
{
query = query.Where(exp);
}
showTreeStyle = false;
}
if (whereClause != null && whereClause.Count() > 0)
{
var expression = WhereClauseToContentQueryHelper.Parse(whereClause, schema, new MVCValueProviderWrapper(ValueProvider));
query = query.Where(expression);
showTreeStyle = false;
}
if (!string.IsNullOrWhiteSpace(parentUUID))
{
query = query.WhereEquals("ParentUUID", parentUUID);
}
else
{
//有两种情况需要考虑要不要查询所有的数据（ParentUUID=null)
//1.树形结构数据，第一次查询需要过滤ParentUUID==null
//2.自嵌套的目前结构，也需要过滤ParentUUID==null
var selfEmbedded = textFolder.EmbeddedFolders != null && textFolder.EmbeddedFolders.Contains(textFolder.FullName, StringComparer.OrdinalIgnoreCase);
if (showTreeStyle || selfEmbedded)
{
query = query.Where(new OrElseExpression(new WhereEqualsExpression(null, "ParentUUID", null), new WhereEqualsExpression(null, "ParentUUID", "")));
}
}
if (childFolders != null)
{
childFolders = childFolders
.Select(it => it.AsActual())
.Where(it => it.VisibleOnSidebarMenu == null || it.VisibleOnSidebarMenu.Value == true)
.Where(it => Kooboo.CMS.Content.Services.ServiceFactory.WorkflowManager.AvailableViewContent(it, User.Identity.Name));
}
page = page ?? 1;
pageSize = pageSize ?? textFolder.PageSize;
//var pagedList = query.ToPageList(page.Value, pageSize.Value);
//IEnumerable<TextContent> contents = pagedList.ToArray();
//if (Repository.EnableWorkflow == true)
//{
// contents = ServiceFactory.WorkflowManager.GetPendWorkflowItemForContents(Repository, contents.ToArray(), User.Identity.Name);
//}
//var workflowContentPagedList = new PagedList<TextContent>(contents, page.Value, pageSize.Value, pagedList.TotalItemCount);
//ViewData["ContentPagedList"] = workflowContentPagedList;
return View(new TextContentGrid()
{
ChildFolders = childFolders.ToArray(),
ContentQuery = query,
PageIndex = page.Value,
PageSize = pageSize.Value,
ShowTreeStyle = showTreeStyle
});
}
public void Test_NestedOr()
{
IWhereExpression exp = new FalseExpression();
exp = new OrElseExpression(exp, (new WhereContainsExpression(null, "title", "news1")));
exp = new OrElseExpression(exp, (new WhereContainsExpression(null, "title", "news2")));
var news = newsFolder.CreateQuery().Where(exp);
Assert.AreEqual(3, news.Count());
}
protected override void VisitOrElse(OrElseExpression expression)
{
string leftClause = "";
string leftViewName = "";
if (!(expression.Left is FalseExpression))
{
var leftVisitor = VisitInner(expression.Left);
leftClause = leftVisitor.WhereClause;
leftViewName = leftVisitor.ViewName;
if (leftVisitor.OrderClause != null)
{
this.OrderClause = leftVisitor.OrderClause;
}
}
string rightClause = "";
string rightViewName = "";
if (!(expression.Right is FalseExpression))
{
var rightVisitor = VisitInner(expression.Right);
rightClause = rightVisitor.WhereClause;
rightViewName = rightVisitor.ViewName;
if (rightVisitor.OrderClause != null)
{
this.OrderClause = rightVisitor.OrderClause;
}
}
if (!string.IsNullOrEmpty(leftClause) && !string.IsNullOrEmpty(rightClause))
{
whereClause.AppendFormat(string.Format("({0}||{1})", leftClause, rightClause));
viewNameBuilder.AppendFormat("_({0}_OR_{1})", leftViewName, rightViewName);
}
else if (!string.IsNullOrEmpty(leftClause))
{
whereClause.AppendFormat(string.Format("{0}", leftClause));
viewNameBuilder.AppendFormat("_{0}", leftViewName);
}
else if (!string.IsNullOrEmpty(rightClause))
{
whereClause.AppendFormat(string.Format("{0}", rightClause));
viewNameBuilder.AppendFormat("_{0}", rightViewName);
}
}
protected virtual void VisitWhereIn(WhereInExpression expression)
{
IWhereExpression exp = new FalseExpression();
foreach (var value in expression.Values)
{
exp = new OrElseExpression(exp, new WhereEqualsExpression(null, expression.FieldName, value));
}
this.VisitWhere(exp);
}
protected abstract void VisitOrElse(OrElseExpression expression);
