public async Task EditAsync()

in Webapp/SDAF/Controllers/FileController.cs [268:339]
64 lines of code
10 McCabe index (conditional complexity)

        public async Task<IActionResult> EditAsync(string id, string newId, string fileContent, string sourceController, int type)
        {
            AppFile file = null;
            ViewBag.IsImagesFile = false;
            int newType = type;

            if (newId.EndsWith("_custom_naming.json"))
            {
                newType = 2;

            }
            else if (newId.EndsWith("_custom_sizes.json"))
            {
                newType = 1;

            }


            switch (newType)
            {
                case 0:
                    file = await GetImagesFile(newId, newType, "VM");
                    ViewBag.IsImagesFile = true;
                    break;
                case 1:
                case 2:
                    file = await GetImagesFile(newId, newType, GetPartitionKey(id));
                    ViewBag.IsImagesFile = true;
                    ViewBag.FilePattern = newId;
                    break;
                default:
                    file = await _appFileService.GetByIdAsync(id, GetPartitionKey(id));
                    break;
            }
            if (file == null) return NotFound();
            try
            {
                byte[] bytes = Encoding.UTF8.GetBytes(fileContent);
                file.Content = bytes;
                if (id != newId)
                {
                    file.Id = newId;
                    await _appFileService.CreateAsync(file);
                    await _appFileService.DeleteAsync(id, GetPartitionKey(id));
                }
                else
                {
                    await _appFileService.UpdateAsync(file);
                }

                TempData["success"] = "Successfully updated file " + id;
                if (newType == 0)
                {
                    return RedirectToAction("Index", sourceController);
                }
                else
                {
                    string newName = id[..id.IndexOf("_custom")];
                    return RedirectToAction("Edit", sourceController, new { @id = newName, @partitionKey = GetPartitionKey(id) });
                }
            }
            catch (Exception e)
            {
                ModelState.AddModelError("FileId", "Error updating file: " + e.Message);
            }
            ViewBag.Message = fileContent;
            ViewBag.SourceController = sourceController;
            ViewBag.Type = type;

            return View(file);

        }