public async Task <ActionResult> EditPhoto(int?id)
{
if (id == null || id < 1)
{
return(RedirectToAction("Index"));
}
try
{
Product_PhotosViewModel vm = new Product_PhotosViewModel();
int productId = (id ?? 1);
Dictionary <string, object> result = new Dictionary <string, object>();
result = await GetProductFromDB(productId, "EditPhoto");
if (result["ViewModel"] == null)
{
return(View("Error", result["ErrObj"]));
}
else
{
vm = result["ViewModel"] as Product_PhotosViewModel;
}
return(View(vm));
}
catch (Exception ex)
{
object cauThongBao = $"Error in editing Product photo!<br /> Reason: {ex.Message}";
return(View("Error", cauThongBao));
}
}
public async Task <ActionResult> DeletePhoto(int selectedProductId, int selectedPhotoId)
{
try
{
if (ModelState.IsValid)
{
HttpResponseMessage response = await _photoService.DeletePhoto(selectedProductId, selectedPhotoId);
var responseData = response.Content.ReadAsStringAsync().Result;
if (!response.IsSuccessStatusCode)
{
ResponseObj resObj = JsonConvert.DeserializeObject <ResponseObj>(responseData);
object cauThongBao = "Error in Delete Photo!<br /> Reason: " + resObj.Message;
return(View("Error", cauThongBao));
}
// Delete Photo successfully
}
// Get Product from Database
Product_PhotosViewModel vm = new Product_PhotosViewModel();
Dictionary <string, object> result = new Dictionary <string, object>();
result = await GetProductFromDB(selectedProductId, "DeletePhoto");
if (result["ViewModel"] == null)
{
return(View("Error", result["ErrObj"]));
}
else
{
vm = result["ViewModel"] as Product_PhotosViewModel;
}
return(View("EditPhoto", vm));
}
catch (Exception ex)
{
object cauThongBao = $"Error in Delete Photo!<br /> Reason: {ex.Message}";
return(View("Error", cauThongBao));
}
}
public async Task <Dictionary <string, object> > GetProductFromDB(int productId, string action)
{
Dictionary <string, object> result = new Dictionary <string, object>();
object cauThongBao = null;
HttpResponseMessage response = await _productService.GetProduct(productId);
var responseData = response.Content.ReadAsStringAsync().Result;
if (!response.IsSuccessStatusCode)
{
ResponseObj resObj = JsonConvert.DeserializeObject <ResponseObj>(responseData);
if (action == "EditPhoto")
{
cauThongBao = "Error in finding Product to edit photo!<br /> Reason: " + resObj.Message;
}
else if (action == "Delete")
{
cauThongBao = "Error in finding Product to delete!<br /> Reason: " + resObj.Message;
}
else if (action == "EditProduct")
{
cauThongBao = "Error in finding Product to edit!<br /> Reason: " + resObj.Message;
}
else if (action == "SetMainPhoto")
{
cauThongBao = "Error in finding Product to Set main Photo!<br /> Reason: " + resObj.Message;
}
else if (action == "DeletePhoto")
{
cauThongBao = "Error in finding Product to Delete Photo!<br /> Reason: " + resObj.Message;
}
result.Add("ErrObj", cauThongBao);
result.Add("ViewModel", null);
}
else
{
Product productFromDb = new Product();
productFromDb = JsonConvert.DeserializeObject <Product>(responseData);
if (productFromDb == null)
{
cauThongBao = $"Cannot find Product with Id (" + productId.ToString() + ").";
result.Add("ErrObj", cauThongBao);
result.Add("ViewModel", null);
}
else
{
Product_PhotosViewModel vm = new Product_PhotosViewModel();
List <Photo> photosList = new List <Photo>();
photosList.AddRange(productFromDb.Photos);
// View Model
vm.Product = productFromDb;
vm.Photos = photosList;
result.Add("ErrObj", null);
result.Add("ViewModel", vm);
}
}
return(result);
}
public async Task <ActionResult> EditPhoto(HttpPostedFileBase newPhotoFile, int id)
{
try
{
Product_PhotosViewModel vm = new Product_PhotosViewModel();
ViewBag.ErrMsg = "";
if (newPhotoFile != null && newPhotoFile.ContentLength > 0)
{
// Validate File extension
string extensionsList = "png,jpg,jpeg,gif";
List <string> allowedExtensions = extensionsList.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries).ToList();
bool isValid = allowedExtensions.Any(y => newPhotoFile.FileName.EndsWith(y));
ViewBag.ErrMsg = isValid ? "" : "'" + newPhotoFile.FileName + "' file is not supported. Please select only Supported Files .png | .jpg";
// Validate file size
int maxContentLength = 1024 * 1024 * 2; //2 MB
if (newPhotoFile.ContentLength > maxContentLength)
{
ViewBag.ErrMsg = "Your file is too large, maximum allowed size is: " + maxContentLength + " MB";
}
// Upload Photo
if (ViewBag.ErrMsg == "")
{
// Upload Photo via API
HttpResponseMessage response = await _photoService.UploadNewPhoto(id, newPhotoFile);
var responseData = response.Content.ReadAsStringAsync().Result;
if (!response.IsSuccessStatusCode)
{
ResponseObj resObj = JsonConvert.DeserializeObject <ResponseObj>(responseData);
object cauThongBao = "Error in uploading Photo!<br /> Reason: " + resObj.Message;
return(View("Error", cauThongBao));
}
// Upload Photo successfully
ViewBag.SuccessMsg = newPhotoFile.FileName + " has been uploaded successfully!";
}
}
else
{
ViewBag.ErrMsg = "Please select file or your selected file with empty content.";
}
// Get Product from Database
Dictionary <string, object> result = new Dictionary <string, object>();
result = await GetProductFromDB(id, "EditPhoto");
if (result["ViewModel"] == null)
{
return(View("Error", result["ErrObj"]));
}
else
{
vm = result["ViewModel"] as Product_PhotosViewModel;
}
return(View("EditPhoto", vm));
}
catch (Exception ex)
{
object cauThongBao = $"Error in uploading new Photo!<br /> Reason: {ex.Message}";
return(View("Error", cauThongBao));
}
}
