public ResourceReference Save(IResource resource, ResourceOperationContext context)
{
if (context.CurrentUser == null)
{
throw new InvalidOperationException("User not found");
}
Data.Resource dbResource = null;
//check if the resource already exist in the database
if (resource.Id > 0)
{
dbResource = _dbContext.Resources.Find(resource.Id);
}
if (dbResource != null)
{
//Update the Resource and Content
dbResource.Name = resource.Name;
dbResource.LastUpdateDate = DateTime.Now;
dbResource.UpdateUserId = context.CurrentUser.UserId;
}
else
{
//Else this is a new resource that was created or was delete from the respository.
//So create the Resource ,the Content Store and add the resource to the ResourceManager's cache
var resourceType = GetResourceType(resource);
var folder = GetFolder(resourceType);
dbResource = _dbContext.Resources.Create();
dbResource.CreateUserId = context.CurrentUser.UserId;
dbResource.UpdateUserId = context.CurrentUser.UserId;
dbResource.LastUpdateDate = DateTime.Now;
dbResource.Name = resource.Name;
dbResource.ResourceTypeId = resourceType != null ? (int?)resourceType.ResourceTypeId : null;
dbResource.FolderId = folder.FolderId;
dbResource = _dbContext.Resources.Add(dbResource);
_dbContext.SaveChanges();
resource.Id = dbResource.Id;
//The resoures does'n has an Id until it was saved.
//Then initialize the reference counter
_resourceManager.Add(resource);
}
//mark as saved
context.SetIsSaved(resource, true);
//Check if the resource is saved with a context Scene
if (context.Scene != null && !context.Scene.IsDesignOnly)
{
//IF true then link the resource to the context Scene
if (!_dbContext.SceneResources.Any(x => x.ResourceId == dbResource.Id &&
x.SceneId == context.Scene.Id))
{
//create the SceneResource
SceneResource sceneResource = new SceneResource()
{
ResourceId = dbResource.Id,
SceneId = context.Scene.Id,
};
_dbContext.SceneResources.Add(sceneResource);
}
}
//Creates the Reference
ResourceReference reference;
if (!_references.TryGetValue(dbResource.Id, out reference))
{
reference = new ResourceReference(dbResource.Id);
_references.Add(dbResource.Id, reference);
}
if (dbResource.Content == null)
{
//Creates the resource content
dbResource.Content = new Content();
}
//write the resource content data
var data = CreateAsset(resource, context);
Debug.Assert(data != null, "Invalid Resource " + resource.Name);
dbResource.Content.Data = data;
_dbContext.SaveChanges();
return(reference);
}