public ActionResult Index(BaseResourceModel brm)
{
// initialize BaseResources cache if necessary:
HttpContext.Cache["BaseResources"] = HttpContext.Cache["BaseResources"] ?? new Dictionary<Guid, BaseResourceModel>();
var br = (Dictionary<Guid, BaseResourceModel>)HttpContext.Cache["BaseResources"];
if (brm.Id == Guid.Empty)
{
if (br.Count < 1)
{
// model list is now empty...this populates it with 3 dummy records:
var mlist = BaseResourceModel.ListResources();
foreach (var model in mlist)
{
br[model.Id] = model;
}
}
ViewData.Model = br;
}
else
{
// note, this assumes access has already been authorized and user is not attempting to access a non-existent resource.
// TODO: return 404 if authorized but non-existent.
ViewData.Model = br[brm.Id];
}
return View();
}
public ActionResult Delete(BaseResourceModel brm)
{
if (((Dictionary<Guid, BaseResourceModel>)HttpContext.Cache["BaseResources"]).Remove(brm.Id))
{
Response.StatusCode = (int)HttpStatusCode.OK;
RouteData.Values.Remove("Id"); // must manually remove Id for proper redirect:
return new RedirectToRouteResult("BaseResource", null);
}
else
{
// todo: more robust exception handling, friendly error page.
return new HttpStatusCodeResult(HttpStatusCode.InternalServerError, "Failed to delete resource from cache");
}
}
public ActionResult Create(BaseResourceModel brm)
{
// TODO: ModelCache or similar? or is that just a trivial wrapper layer?
var modelkey = "BaseResources";
if (HttpContext.Cache[modelkey] == null)
{
HttpContext.Cache[modelkey] = new Dictionary<Guid,BaseResourceModel>();
}
var resources = (Dictionary<Guid,BaseResourceModel>)HttpContext.Cache[modelkey];
var newId = Guid.NewGuid();
resources[newId] = new BaseResourceModel()
{
Id = newId,
Name = brm.Name
};
Response.StatusCode = (int)HttpStatusCode.Created;
return new RedirectToRouteResult("BaseResource",
new System.Web.Routing.RouteValueDictionary(
new { Id = newId.ToString() }
)
);
}
public bool CanRead(BaseResourceModel brm)
{
// dummy logic here...
return true;
}
public ActionResult Edit(BaseResourceModel brm)
{
return View(((Dictionary<Guid,BaseResourceModel>)HttpContext.Cache["BaseResources"])[brm.Id]);
}
public ActionResult Update(BaseResourceModel brm)
{
// TODO: return 404 if record not found...
((Dictionary<Guid, BaseResourceModel>)HttpContext.Cache["BaseResources"])[brm.Id] = brm;
Response.StatusCode = (int)HttpStatusCode.OK;
return new RedirectToRouteResult("BaseResource", null); // original RouteData.Values will be retained.
}
