public override Response NodeAction(IRequest request, Node node, string action)
{
var textNode = node as TextNode;
if(textNode == null)
throw new InvalidOperationException("Node is not a TextNode");
var arialUni = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Fonts), "ARIALUNI.TTF");
//var bf = BaseFont.CreateFont(arialUni, BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
if (action.Equals("pdf"))
{
FontFactory.Register(arialUni, "Arial");
using (var ms = new MemoryStream())
using (var doc = new Document(PageSize.A4))
using (var writer = PdfWriter.GetInstance(doc, ms))
{
writer.InitialLeading = 12f;
doc.Open();
using (var htmlWorker = new HTMLWorker(doc))
using (var sr = new StringReader(textNode.Text))
{
htmlWorker.Parse(sr);
}
doc.Close();
return new HttpResponse(ms.ToArray(), contenttype: "application/pdf");
}
}
return base.ApiNodeAction(request, node, action);
}
protected NodeDrop(Node node)
{
NodeId = node.NodeId.Id;
Provider = node.NodeId.Provider;
Link = string.Format("/{0}/{1}", Provider, WebUtility.UrlEncode(NodeId));
if (node.User != null)
UserId = node.User.Id;
}
public virtual ApiResponse ApiNodeViewDelete(IRequest request, Node node)
{
if (Equals(node.NodeId, new NodeIdentifier("text", request.User.Home.Id)))
return new ForbiddenApiResponse("Cannot delete own home");
Utilities.DeleteLinks(request.UnitOfWork, node);
request.UnitOfWork.Nodes.Delete(node);
return new ApiResponse(statusMessage: "Node deleted");
}
public Link(Node start, Node end)
{
if (start != null && start.NodeId != null)
{
StartNode = start.NodeId.Id;
StartNodeProvider = start.NodeId.Provider;
}
EndNode = end.NodeId.Id;
EndNodeProvider = end.NodeId.Provider;
}
public override ApiResponse ApiNodeViewPut(IRequest request, Node node)
{
if (request.PostArgs == null)
return new BadRequestApiResponse("No arguments");
if (string.IsNullOrEmpty(request.PostArgs["text"]))
return new BadRequestApiResponse();
((TextNode)node).Text = request.PostArgs["text"];
request.UnitOfWork.Nodes.Save(node);
return new ApiResponse(NodeDropFactory.Create(node), statusMessage: "Saved");
}
public override Response NodeView(IRequest request, Node node)
{
var textNode = node as TextNode;
if (textNode == null)
throw new InvalidOperationException("Node is not a TextNode");
return new TemplatedResponse("text_node", new
{
Title = "Home",
Node = new TextNodeDrop(textNode),
Links = Utilities.GetGroupedLinks(request.UnitOfWork, node)
});
}
public override Response NodeView(IRequest request, Node node)
{
var urlNode = node as URLNode;
if(urlNode == null)
throw new InvalidOperationException("Node is not an URLNode");
return new TemplatedResponse("url_node", new
{
Title = urlNode.Name,
Node = new UrlNodeDrop(urlNode),
Links = Utilities.GetGroupedLinks(request.UnitOfWork, node)
});
}
public override Response NodeAction(IRequest request, Node node, string action)
{
var baseFileNode = node as BaseFileNode;
if(baseFileNode == null)
throw new InvalidOperationException("Node is not a BaseFileNode");
if (action.Equals("raw"))
{
if (baseFileNode.IsDirectory)
throw new InvalidOperationException("Not a file");
var fileNode = node as FileNode;
if (fileNode == null)
throw new InvalidOperationException("Not a file");
return new StreamedHttpResponse(File.OpenRead(baseFileNode.Path), contenttype: fileNode.Mime,
headers: new Dictionary<string, string>
{
{"Content-Disposition", $"inline; filename=\"{Uri.EscapeDataString(fileNode.Name)}\""},
{"X-Sendfile", Uri.EscapeDataString(fileNode.Name)}
});
}
if (action.Equals("download"))
{
if (baseFileNode.IsDirectory)
throw new InvalidOperationException("Not a file");
var fileNode = node as FileNode;
if (fileNode == null)
throw new InvalidOperationException("Not a file");
return new StreamedHttpResponse(File.OpenRead(baseFileNode.Path), contenttype: "application/force-download",
headers: new Dictionary<string, string>
{
{"Content-Disposition", $"attachment; filename=\"{Uri.EscapeDataString(fileNode.Name)}\""},
{"X-Sendfile", Uri.EscapeDataString(fileNode.Name)}
});
}
if (action.Equals("edit"))
{
return new TemplatedResponse("Files/text", new
{
Title = baseFileNode.Name,
Node = new FileNodeDrop(baseFileNode),
Links = Utilities.GetGroupedLinks(request.UnitOfWork, node)
});
}
return base.NodeAction(request, node, action);
}
public static NodeDrop Create(Node node)
{
if (node is TextNode)
return new TextNodeDrop((TextNode) node);
if (node is URLNode)
return new UrlNodeDrop((URLNode) node);
if (node is FileNode)
return new FileNodeDrop((FileNode) node);
if (node is DirectoryNode)
return new DirectoryNodeDrop((DirectoryNode) node);
return null;
}
public static List<RenderedLinkDrop> GetRenderedLinkDrops(UnitOfWork unit, Node node)
{
var links =
unit.Links.Where(l => l.StartNode == node.NodeId.Id && l.StartNodeProvider == node.NodeId.Provider)
.ToList();
var linkDrops =
links.Select(link => new RenderedLinkDrop(link, unit.Nodes.FindById(link.GetEndIdentifier()))).ToList();
var dir = node as DirectoryNode;
if (dir != null)
{
linkDrops.AddRange(dir.GetChild().Select(ch => new RenderedLinkDrop(new Link(node, ch)
{
Comment = ch.IsDirectory ? "Folder" : "File"
}, ch)));
}
return linkDrops;
}
public static IEnumerable<LinksGroupDrop> GetGroupedLinks(UnitOfWork unit, Node node)
{
var gId = 0;
var linkDrops = GetLinkDrops(unit, node);
if (linkDrops.Count == 0)
return new List<LinksGroupDrop> {new LinksGroupDrop(gId) };
var groups = new List<LinksGroupDrop>();
var unnamedGroup = new LinksGroupDrop(gId++);
groups.Add(unnamedGroup);
foreach (var link in linkDrops)
{
if (!string.IsNullOrWhiteSpace(link.Comment))
{
var sameRealtionLink =
unnamedGroup.Items.FirstOrDefault(
l =>
l.Comment != null &&
l.Comment.Equals(link.Comment, StringComparison.CurrentCultureIgnoreCase));
if (sameRealtionLink != null)
{
unnamedGroup.Items.Remove(sameRealtionLink);
var group = new LinksGroupDrop(gId++, new List<LinkDrop> {link, sameRealtionLink});
groups.Add(group);
continue;
}
var groupWithSameRelation =
groups.FirstOrDefault(
g => g.Name.Equals(link.Comment, StringComparison.CurrentCultureIgnoreCase));
if (groupWithSameRelation != null)
{
groupWithSameRelation.Items.Add(link);
continue;
}
}
unnamedGroup.Items.Add(link);
}
return groups;
}
public override Response NodeAction(IRequest request, Node node, string action)
{
var urlNode = node as URLNode;
if (urlNode == null)
throw new InvalidOperationException("Node is not an URLNode");
if (action.Equals("download"))
{
using (var info = new UrlInfoParser(urlNode.URL))
{
var dir = Path.Combine(Settings.Default.FileStorage, request.User.Username);
Directory.CreateDirectory(dir);
var path = Path.Combine(dir, info.FileName);
info.SaveContent(path);
var fileNode = new FileNode(path);
request.UnitOfWork.Files.Save(fileNode);
Utilities.CreateLinkForNode(request, urlNode, fileNode, "Downloaded");
}
return new RedirectResponse("/url/" + urlNode.Id);
}
return base.NodeAction(request, node, action);
}
public override Response NodeView(IRequest request, Node node)
{
var baseFileNode = node as BaseFileNode;
if (baseFileNode == null)
throw new InvalidOperationException("Node is not a BaseFileNode");
if (baseFileNode.IsDirectory)
{
return new TemplatedResponse("file_node", new
{
Title = baseFileNode.Name,
Node = new DirectoryNodeDrop(baseFileNode),
Links = Utilities.GetGroupedLinks(request.UnitOfWork, node)
});
}
var template = "file_node";
var fileNode = node as FileNode;
if (fileNode == null)
throw new InvalidOperationException("Incorrect file node");
if (EditableFileTypes.Contains(fileNode.Mime))
template = "Files/text";
else if (fileNode.Mime.Contains("image/"))
template = "Files/image";
else if (fileNode.Mime.Contains("video/"))
template = "Files/video";
else if (fileNode.Mime.Contains("audio/"))
template = "Files/audio";
return new TemplatedResponse(template, new
{
Title = baseFileNode.Name,
Node = new FileNodeDrop(baseFileNode),
Links = Utilities.GetGroupedLinks(request.UnitOfWork, node)
});
}
public virtual ApiResponse ApiNodeViewGet(IRequest request, Node node)
{
return new ApiResponse(NodeDropFactory.Create(node));
}
public abstract Response NodeView(IRequest request, Node node);
public NodeWithLink(Node node) : this(NodeDropFactory.Create(node), new AnonymousLinkDrop(node))
{
}
public AnonymousRenderedLinkDrop(Node endnode) : base(endnode)
{
Rendered = TemplateUtilities.RenderTemplate("Blocks/link", new { link = this });
}
public LinkDrop(Link link, Node endnode)
{
_link = link;
Node = NodeDropFactory.Create(endnode);
}
public AnonymousLinkDrop(Node endnode, string comment = "")
{
Node = NodeDropFactory.Create(endnode);
Comment = comment;
}
public NodeWithRenderedLink(Node node) : base(NodeDropFactory.Create(node), new AnonymousRenderedLinkDrop(node))
{
}
public NodeWithRenderedLink(Node node, Link link) : this(NodeDropFactory.Create(node), new RenderedLinkDrop(link, node))
{
}
public virtual ApiResponse ApiNodeViewPut(IRequest request, Node node)
{
throw new System.NotImplementedException();
}
public static void DeleteLinks(UnitOfWork unit, Node node)
{
var outLinks = unit.Links.Where(
l => l.StartNodeProvider == node.NodeId.Provider && l.StartNode == node.NodeId.Id);
var inLinks = unit.Links.Where(
l => l.EndNodeProvider == node.NodeId.Provider && l.EndNode == node.NodeId.Id);
foreach (var inLink in inLinks)
unit.Links.Delete(inLink);
foreach (var outLink in outLinks)
unit.Links.Delete(outLink);
}
public virtual ApiResponse ApiNodeAction(IRequest request, Node node, string action)
{
throw new System.NotImplementedException();
}
public static Link CreateLinkForNode(IRequest request, Node parentNode, Node newNode, string comment)
{
var link = new Link(parentNode, newNode)
{
Comment = comment,
DateAdded = DateTime.Now,
User = request.User
};
request.UnitOfWork.Links.Save(link);
return link;
}
public RenderedNodeDrop(Node node) : base(node)
{
var link = new AnonymousRenderedLinkDrop(node);
Rendered = link.Rendered;
}
public RenderedLinkDrop(Link link, Node endnode) : base(link, endnode)
{
Rendered = TemplateUtilities.RenderTemplate("Blocks/link", new {link = this});
}