public ActionResult Edit(CategoryViewModel categoryVM)
{
if (categoryVM.PictureSelector.ImageFile == null && categoryVM.PictureSelector.PictureId == null)
{
this.ModelState.AddModelError(nameof(categoryVM.PictureSelector), ValidationMessages.Required);
}
if (this.ModelState.IsValid == false)
{
return(this.View(categoryVM));
}
CreatePictureResponse pictureResponse = null;
if (categoryVM.PictureSelector.ImageFile != null)
{
string categoriesImagesPath = WebConfigurationManager.AppSettings[Constants.CategoriesImagesPath_ConfigKey];
string serverPath = this.Server.MapPath(categoriesImagesPath);
var pictureRequest = new CreatePictureRequest
{
ContentType = categoryVM.PictureSelector.ImageFile.ContentType,
FileExtention = Path.GetExtension(categoryVM.PictureSelector.ImageFile.FileName),
InputStream = categoryVM.PictureSelector.ImageFile.InputStream,
ServerPath = serverPath,
UrlPath = categoriesImagesPath,
};
pictureResponse = this.pictureService.Create(pictureRequest);
if (pictureResponse.Result != CreatePictureResult.Success)
{
this.ModelState.AddModelError(nameof(categoryVM.PictureSelector.ImageFile), pictureResponse.Message);
return(this.View(categoryVM));
}
}
var updateRequest = new UpdateCategoryRequest()
{
Id = categoryVM.Id,
Name = categoryVM.Name,
DisplayOrder = categoryVM.Order,
IsPrimary = categoryVM.IsPrimary,
Visible = categoryVM.Visible,
PictureId = pictureResponse?.Picture.Id,
};
updateRequest.SelectedCategoriesIds = categoryVM.Subcategories.ListItems
.Where(x => x.Checked)
.Select(x => int.Parse(x.Id));
this.categoryService.Update(updateRequest);
return(this.RedirectToAction("Index"));
}
public async Task <IActionResult> Create(IFormFile picture, [FromForm] CreatePictureRequest createPictureRequest)
{
if (!ModelState.IsValid)
{
return(BadRequest());
}
var userId = HttpContext?.User.Claims.First(x => x.Type == ClaimTypes.NameIdentifier).Value;
var result = await _pictureService.CreateAsync(picture, userId, createPictureRequest);
return(Ok(result));
}
/// <summary>
/// 如果您需要在 [云端混流转码](https://cloud.tencent.com/document/product/647/16827) 时频繁新增自定义背景图或水印，可通过此接口上传新的图片素材。无需频繁新增图片的场景，建议直接在 [控制台 > 应用管理 > 素材管理](https://cloud.tencent.com/document/product/647/50769) 中操作。
/// </summary>
/// <param name="req"><see cref="CreatePictureRequest"/></param>
/// <returns><see cref="CreatePictureResponse"/></returns>
public CreatePictureResponse CreatePictureSync(CreatePictureRequest req)
{
JsonResponseModel <CreatePictureResponse> rsp = null;
try
{
var strResp = this.InternalRequestSync(req, "CreatePicture");
rsp = JsonConvert.DeserializeObject <JsonResponseModel <CreatePictureResponse> >(strResp);
}
catch (JsonSerializationException e)
{
throw new TencentCloudSDKException(e.Message);
}
return(rsp.Response);
}
public static PictureStorage MapCreatePictureRequestToPictureStorage(CreatePictureRequest createPictureRequest,
string url, string userId)
{
if (createPictureRequest == null)
{
return(null);
}
return(new PictureStorage
{
CreatedAt = DateTime.UtcNow,
Caption = createPictureRequest.Caption,
ContestId = createPictureRequest.ContestId,
Url = url,
UserId = userId,
Votes = 0
});
}
public async Task <CreatePictureResponse> CreateAsync(IFormFile picture, string userId,
CreatePictureRequest createPictureRequest)
{
var filePath = Path.GetFullPath(Environment.CurrentDirectory + "/Uploads/" + picture.FileName);
if (picture.Length > 0)
{
using (var stream = new FileStream(filePath, FileMode.Create))
await picture.CopyToAsync(stream);
}
var result = await _pictureRepository.CreateAsync(
PictureMapper.MapCreatePictureRequestToPictureStorage(createPictureRequest, picture.FileName, userId));
return(new CreatePictureResponse {
Id = result
});
}
