public TemeView()
{
var zajednickiElementi = new ZajednickiElementiAplikacije();
BindingContext = new TemeViewModel();
Title = "Grane fizike";
var temaKinematikaButton = zajednickiElementi.PrimarniNavigacijskiButton(kinematika);
temaKinematikaButton.SetBinding(Button.CommandProperty, nameof(TemeViewModel.OdabirGraneFizikeCommand));
var temaDinamikaButton = zajednickiElementi.PrimarniNavigacijskiButton(dinamika);
temaDinamikaButton.SetBinding(Button.CommandProperty, nameof(TemeViewModel.OdabirGraneFizikeCommand));
Content = new StackLayout
{
Children =
{
temaKinematikaButton,
temaDinamikaButton
},
Margin = new Thickness(0, 10, 0, 0)
};
}
public async Task <IActionResult> Tema(TemeViewModel model)
{
ApplicationUser user = await _userManager.GetUserAsync(HttpContext.User);
if (model.Nova.Naslov.Trim().Equals(""))
{
ModelState.AddModelError("Naslov", "Naslov je obavezan");
}
if (model.Tekst.Trim().Equals(""))
{
ModelState.AddModelError("Tekst", "Zapis je obavezan");
}
if (ModelState.IsValid)
{
model.Nova.Id = Guid.NewGuid();
Zapis zap = new Zapis
{
Id = Guid.NewGuid(),
IdKorisnik = user.Id,
DatumIvrijeme = DateTime.Now,
IdTema = model.Nova.Id,
Tekst = model.Tekst
};
model.Nova.DatumPocetka = zap.DatumIvrijeme;
model.Nova.ZadnjiZapis = zap.DatumIvrijeme;
model.Nova.Zapis.Add(zap);
model.Nova.IdKorisnik = user.Id;
model.Nova.IdForum = model.IdForum;
_ctx.Tema.Add(model.Nova);
_ctx.SaveChanges();
return(RedirectToAction("Tema", new { id = model.IdForum }));
}
//model.KategorijaForuma = _ctx.KategorijaForuma.Include(k => k.Forum).ThenInclude(f => f.Tema).OrderBy(k => k.Redoslijed).ToList();
return(View(model));
}
public async Task <IActionResult> Tema(Guid id, [FromQuery] int page = 1)
{
ApplicationUser user = await _userManager.GetUserAsync(HttpContext.User);
bool mod = isMod(user.Id);
int pagesize = appData.PageSize;
var forum = _ctx.Forum.Find(id);
if (forum == null)
{
return(RedirectToAction("Nema", "Greska"));
}
var teme = _ctx.Tema.Where(t => t.IdForum == id);
var pagingInfo = new PagingInfo
{
CurrentPage = page,
ItemsPerPage = pagesize,
TotalItems = teme.Count()
};
if (page > pagingInfo.TotalPages && pagingInfo.TotalItems != 0)
{
return(RedirectToAction(nameof(Index), new { page = pagingInfo.TotalPages }));
}
System.Linq.Expressions.Expression <Func <Tema, object> > orderSelector = t => t.ZadnjiZapis;
if (orderSelector != null)
{
teme =
_ctx.Tema.Where(t => t.IdForum == id).Include(t => t.IdKorisnikNavigation).Include(t => t.IdForumNavigation).Include(t => t.Zapis).ThenInclude(z => z.IdKorisnikNavigation).OrderByDescending(orderSelector);
}
var trazeneTeme = teme
.Skip((page - 1) * pagesize)
.Take(pagesize)
.ToList();
var model = new TemeViewModel()
{
Teme = trazeneTeme,
PagingInfo = pagingInfo,
IdForum = id,
Mod = mod,
IdKorisnik = user.Id,
Naslov = forum.Naziv
};
return(View(model));
}
public async Task <IActionResult> ObrisiTema(TemeViewModel model, int page = 1)
{
ApplicationUser user = await _userManager.GetUserAsync(HttpContext.User);
var zapis = _ctx.Tema.Find(model.IdBrisanje);
if (zapis == null)
{
return(RedirectToAction("Nema", "Greska"));
}
if (!isMod(user.Id) && zapis.IdKorisnik != user.Id)
{
return(RedirectToAction("Prava", "Zbor"));
}
_ctx.Tema.Remove(zapis);
_ctx.SaveChanges();
return(RedirectToAction("Tema", new { id = zapis.IdForum, page = page }));
}
public TemePage(Guid id)
{
model = new TemeViewModel(id);
BindingContext = model;
InitializeComponent();
}
