public async Task <IActionResult> PutCategoryAssignment([FromRoute] int id, [FromBody] CategoryAssignment categoryAssignment)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != categoryAssignment.ID)
            {
                return(BadRequest());
            }

            _context.Entry(categoryAssignment).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!CategoryAssignmentExists(id))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(NoContent());
        }
        public async Task <IActionResult> PostCategoryAssignment([FromBody] CategoryAssignment categoryAssignment)
        {
            if (!ModelState.IsValid)
            {
                logger.LogError("POST: api/AdminCategoryAssignments -> invalid model");
                return(BadRequest(ModelState));
            }

            try
            {
                _context.CategoryAssignments.Add(categoryAssignment);
                await _context.SaveChangesAsync();

                return(CreatedAtAction("GetCategoryAssignment", new { id = categoryAssignment.ID }, categoryAssignment));
            }
            catch (Exception e)
            {
                logger.LogError(e, "POST: api/AdminCategoryAssignments -> Fehler beim anlegen");
                return(BadRequest(e.Message));
            }
        }
        public async Task <IActionResult> Edit(int id, [Bind("ID,ProductID,CategoryID,CategorySubID,CategoryDetailID")] CategoryAssignment categoryAssignment)
        {
            if (id != categoryAssignment.ID)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    _context.Update(categoryAssignment);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!CategoryAssignmentExists(categoryAssignment.ID))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }

            List <SelectItemViewModel> catvms        = new CategoryHelper(_context).GetVmList();
            List <SelectItemViewModel> catsubvms     = new CategorySubHelper(_context).GetVmList();
            List <SelectItemViewModel> catdeatailvms = new CategoryDetailHelper(_context).GetVmList();

            ViewData["CategoryID"]       = new SelectList(catvms, "ID", "Name");
            ViewData["CategorySubID"]    = new SelectList(catsubvms, "ID", "Name");
            ViewData["CategoryDetailID"] = new SelectList(catdeatailvms, "ID", "Name");

            ViewData["ProductID"] = new SelectList(_context.Products, "ProductID", "Name", categoryAssignment.ProductID);
            return(View(categoryAssignment));
        }
        public async Task <IActionResult> Create([Bind("ID,ProductID,CategoryID,CategorySubID,CategoryDetailID")] CategoryAssignment categoryAssignment)
        {
            if (ModelState.IsValid)
            {
                _context.Add(categoryAssignment);
                await _context.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            List <SelectItemViewModel> catvms        = new CategoryHelper(_context).GetVmList();
            List <SelectItemViewModel> catsubvms     = new CategorySubHelper(_context).GetVmList();
            List <SelectItemViewModel> catdeatailvms = new CategoryDetailHelper(_context).GetVmList();

            ViewData["CategoryID"]       = new SelectList(catvms, "ID", "Name");
            ViewData["CategorySubID"]    = new SelectList(catsubvms, "ID", "Name");
            ViewData["CategoryDetailID"] = new SelectList(catdeatailvms, "ID", "Name");

            ViewData["CheckList"] = new MultiSelectList(catvms, "ID", "Name");

            ViewData["ProductID"] = new SelectList(_context.Products, "ProductID", "Name", categoryAssignment.ProductID);
            return(View(categoryAssignment));
        }