//Upload a new content object. Returns the pid of the uploaded file
public string UploadFile(byte[] data, string pid, string key)
{
if (!CheckKey(key))
return null;
//Check permissions
if (!DoValidate(Security.TransactionType.Create, null))
return "Not authorized";
vwarDAL.ContentObject co = null;
//Create a new object
if (pid == "")
{
co = GetRepo().GetNewContentObject();
co.Revision = 0;
//Setup some default values
co.Title = "tempupload";
co.Views = 0;
}
if (pid != "")
{
co = GetRepo().GetContentObjectById(pid, false);
if (co == null)
{
ReleaseRepo();
return "PID does not exist";
}
co.Revision = co.Revision + 1;
}
co.UploadedDate = DateTime.Now;
co.LastModified = DateTime.Now;
//The owner of this content is the person whose credentials were used to upload it
co.SubmitterEmail = GetUserEmail();
Utility_3D.ConvertedModel model;
try
{
//Setup the conversion library
Utility_3D _3d = new Utility_3D();
_3d.Initialize(ConfigurationManager.AppSettings["LibraryLocation"]);
Utility_3D.Model_Packager converter = new Utility_3D.Model_Packager();
Utility_3D.ConverterOptions opts = new Utility_3D.ConverterOptions();
//We do want metadata gathered with this conversion
opts.EnableMetadataGathering();
opts.EnableScaleTextures(512);
opts.EnableTextureConversion("png");
//Try to convert the model package into a dae
//Note that the system might allow you to input an skp, so this should probably take a filename
//The conversion needs to be told that the input is skp, and currently it's hardcoded to show it as a zip
model = converter.Convert(new MemoryStream(data), "content.zip", "dae", opts);
}
catch (Utility_3D.ConversionException e)
{
model = null;
}
catch (System.Exception e)
{
model = null;
}
if (model != null)
{
//Copy the data gathered by the converter to the metadata
co.NumPolygons = model._ModelData.VertexCount.Polys;
co.NumTextures = model.textureFiles.Count;
co.UpAxis = model._ModelData.TransformProperties.UpAxis;
co.UnitScale = model._ModelData.TransformProperties.UnitMeters.ToString();
co.LastModified = System.DateTime.Now;
co.Views = 0;
}
co.UploadedDate = System.DateTime.Now;
//Place this new object in the repo
if (pid != "")
{
GetRepo().InsertContentRevision(co);
}
else
{
GetRepo().InsertContentObject(co);
}
if (model != null)
{
//Set the stream from the conversion to the content of this object
co.SetContentFile(new MemoryStream(model.data), "content.zip");
//Set the display file
Stream displayfile = ConvertFileToO3D(new MemoryStream(model.data));
if (displayfile != null)
co.SetDisplayFile(displayfile, "content.o3d");
//Add the references to textrues discovered by the converter to the database
foreach (string i in model._ModelData.ReferencedTextures)
co.AddTextureReference(i.ToLower(), "Diffuse", 0);
//Add the references to missing textures to the database
foreach (string i in model.missingTextures)
co.AddMissingTexture(i.ToLower(), "Diffuse", 0);
}
//set the original file data
co.OriginalFileName = "OriginalUpload.zip";
co.OriginalFileId = GetRepo().SetContentFile(new MemoryStream(data), co.PID, co.OriginalFileName);
co.CommitChanges();
//setup the default permissions
vwarDAL.PermissionsManager perm = new vwarDAL.PermissionsManager();
perm.SetModelToGroupLevel(GetUserEmail(), co.PID, vwarDAL.DefaultGroups.AllUsers, vwarDAL.ModelPermissionLevel.Fetchable);
perm.SetModelToGroupLevel(GetUserEmail(), co.PID, vwarDAL.DefaultGroups.AnonymousUsers, vwarDAL.ModelPermissionLevel.Searchable);
perm.Dispose();
ReleaseRepo();
//return the pid of this new object
return co.PID;
}
//Upload the screenshot for the model
public string SetGroupPermission(string pid, string groupname, string level, string key)
{
if (!CheckKey(key))
return null;
pid = pid.Replace('_', ':');
//Get the content obhect
vwarDAL.ContentObject co = GetRepo().GetContentObjectById(pid, false);
//Check the permissions
if (!DoValidate(Security.TransactionType.Modify, pid))
{
ReleaseRepo();
return "";
}
vwarDAL.PermissionsManager perm = new vwarDAL.PermissionsManager();
vwarDAL.PermissionErrorCode code = perm.SetModelToGroupLevel(GetUsername(), pid, groupname, (vwarDAL.ModelPermissionLevel)Enum.Parse(typeof(vwarDAL.ModelPermissionLevel), level));
ReleaseRepo();
return System.Enum.GetName(typeof(vwarDAL.PermissionErrorCode), code);
}