public IEnumerable <DataListItem> GetItems(Dictionary <string, object> config)
{
var xpath = config.GetValueAs("xpath", string.Empty);
if (string.IsNullOrWhiteSpace(xpath) == false)
{
var umbracoContext = _accessor.UmbracoContext;
var nodeContextId = int.TryParse(umbracoContext.HttpContext.Request.QueryString.Get("id"), out var currentId)
? currentId
: default(int?);
IEnumerable <string> getPath(int id) => umbracoContext.Content.GetById(id).Path.ToDelimitedList().Reverse();
bool publishedContentExists(int id) => umbracoContext.Content.GetById(id) != null;
var parsed = UmbracoXPathPathSyntaxParser.ParseXPathQuery(xpath, nodeContextId, getPath, publishedContentExists);
if (string.IsNullOrWhiteSpace(parsed) == false)
{
return(umbracoContext
.Content
.GetByXPath(parsed)
.Select(x => new DataListItem
{
Name = x.Name,
Value = Udi.Create(UmbConstants.UdiEntityType.Document, x.Key).ToString(),
Icon = UmbConstants.Icons.Content,
Description = x.Url
}));
}
}
return(Enumerable.Empty <DataListItem>());
}
/// <summary>
/// Returns the content id based on the configured ContentErrorPage section.
/// </summary>
internal static int?GetContentIdFromErrorPageConfig(
ContentErrorPage errorPage,
IEntityService entityService,
IPublishedContentQuery publishedContentQuery,
int?domainContentId)
{
if (errorPage.HasContentId)
{
return(errorPage.ContentId);
}
if (errorPage.HasContentKey)
{
// need to get the Id for the GUID
// TODO: When we start storing GUIDs into the IPublishedContent, then we won't have to look this up
// but until then we need to look it up in the db. For now we've implemented a cached service for
// converting Int -> Guid and vice versa.
Attempt <int> found = entityService.GetId(errorPage.ContentKey, UmbracoObjectTypes.Document);
if (found)
{
return(found.Result);
}
return(null);
}
if (errorPage.ContentXPath.IsNullOrWhiteSpace() == false)
{
try
{
// we have an xpath statement to execute
var xpathResult = UmbracoXPathPathSyntaxParser.ParseXPathQuery(
xpathExpression: errorPage.ContentXPath,
nodeContextId: domainContentId,
getPath: nodeid =>
{
IEntitySlim ent = entityService.Get(nodeid);
return(ent.Path.Split(',').Reverse());
},
publishedContentExists: i => publishedContentQuery.Content(i) != null);
// now we'll try to execute the expression
IPublishedContent nodeResult = publishedContentQuery.ContentSingleAtXPath(xpathResult);
if (nodeResult != null)
{
return(nodeResult.Id);
}
}
catch (Exception ex)
{
StaticApplicationLogging.Logger.LogError(ex, "Could not parse xpath expression: {ContentXPath}", errorPage.ContentXPath);
return(null);
}
}
return(null);
}
// PP: Work in progress on the query parser
private string ParseXPathQuery(string query, int id)
{
return(UmbracoXPathPathSyntaxParser.ParseXPathQuery(
xpathExpression: query,
nodeContextId: id,
getPath: nodeid =>
{
var ent = Services.EntityService.Get(nodeid);
return ent.Path.Split(',').Reverse();
},
publishedContentExists: i => Umbraco.Content(i) != null));
}
public IEnumerable <DataListItem> GetItems(Dictionary <string, object> config)
{
var preview = true;
var parentNode = config.GetValueAs("parentNode", string.Empty);
var startNode = default(IPublishedContent);
if (parentNode.InvariantStartsWith("umb://document/") == false)
{
var nodeContextId = default(int?);
var umbracoContext = _umbracoContextAccessor.UmbracoContext;
// NOTE: First we check for "id" (if on a content page), then "parentId" (if editing an element).
if (int.TryParse(umbracoContext.HttpContext.Request.QueryString.Get("id"), out var currentId) == true)
{
nodeContextId = currentId;
}
else if (int.TryParse(umbracoContext.HttpContext.Request.QueryString.Get("parentId"), out var parentId) == true)
{
nodeContextId = parentId;
}
if (nodeContextId == -20)
{
// TODO: [UP-FOR-GRABS] If the ID = -20, then we can assume that it's come from Nested Content. What to do? ¯\_(ツ)_/¯
}
IEnumerable <string> getPath(int id) => umbracoContext.Content.GetById(preview, id)?.Path.ToDelimitedList().Reverse();
bool publishedContentExists(int id) => umbracoContext.Content.GetById(preview, id) != null;
var parsed = UmbracoXPathPathSyntaxParser.ParseXPathQuery(parentNode, nodeContextId, getPath, publishedContentExists);
if (string.IsNullOrWhiteSpace(parsed) == false && parsed.StartsWith("$") == false)
{
startNode = umbracoContext.Content.GetSingleByXPath(preview, parsed);
}
}
else if (GuidUdi.TryParse(parentNode, out var udi) == true && udi.Guid != Guid.Empty)
{
startNode = _umbracoContextAccessor.UmbracoContext.Content.GetById(preview, udi.Guid);
}
if (startNode != null)
{
return(startNode.Children.Select(x => new DataListItem
{
// TODO: [LK:2020-12-03] If multi-lingual is enabled, should the `.Name` take the culture into account?
Name = x.Name,
Value = Udi.Create(UmbConstants.UdiEntityType.Document, x.Key).ToString(),
Icon = ContentTypeCacheHelper.TryGetIcon(x.ContentType.Alias, out var icon, _contentTypeService) == true ? icon : UmbConstants.Icons.Content,
Description = x.TemplateId > 0 ? x.Url() : string.Empty,
Disabled = x.IsPublished() == false,
}));
public IEnumerable <DataListItem> GetItems(Dictionary <string, object> config)
{
var xpath = config.GetValueAs("xpath", string.Empty);
if (string.IsNullOrWhiteSpace(xpath) == false)
{
var nodeContextId = default(int?);
var preview = true;
var umbracoContext = _umbracoContextAccessor.UmbracoContext;
// NOTE: First we check for "id" (if on a content page), then "parentId" (if editing an element).
if (int.TryParse(umbracoContext.HttpContext.Request.QueryString.Get("id"), out var currentId) == true)
{
nodeContextId = currentId;
}
else if (int.TryParse(umbracoContext.HttpContext.Request.QueryString.Get("parentId"), out var parentId) == true)
{
nodeContextId = parentId;
}
IEnumerable <string> getPath(int id) => umbracoContext.Content.GetById(preview, id)?.Path.ToDelimitedList().Reverse();
bool publishedContentExists(int id) => umbracoContext.Content.GetById(preview, id) != null;
var parsed = UmbracoXPathPathSyntaxParser.ParseXPathQuery(xpath, nodeContextId, getPath, publishedContentExists);
if (string.IsNullOrWhiteSpace(parsed) == false && parsed.StartsWith("$") == false)
{
return(umbracoContext.Content.GetByXPath(preview, parsed)
.Select(x => new DataListItem
{
Name = x.Name,
Value = Udi.Create(UmbConstants.UdiEntityType.Document, x.Key).ToString(),
Icon = ContentTypeCacheHelper.TryGetIcon(x.ContentType.Alias, out var icon, _contentTypeService) == true ? icon : UmbConstants.Icons.Content,
Description = x.TemplateId > 0 ? x.Url() : string.Empty,
Disabled = x.IsPublished() == false,
}));