private Boolean IsProductValid(ProductsImportModel product)
{
if (!Regex.IsMatch(product.Title, @"^.{1,45}$"))
{
return(false);
}
if (product.ShortDescription != "" && !Regex.IsMatch(product.ShortDescription, @"^.{1,400}$"))
{
return(false);
}
if (product.Price <= 0)
{
return(false);
}
for (int i = 0; i < product.Images.Count; i++)
{
if (!Regex.IsMatch(product.Images[i], @"(?:([^:/?#]+):)?(?://([^/?#]*))?([^?#]*\.(?:jpg|gif|png|jpe|jpeg|pjpeg|x-png))(?:\?([^#]*))?(?:#(.*))?"))
{
return(false);
}
}
if (!Regex.IsMatch(product.SkuCode, @"^.{1,20}$"))
{
return(false);
}
if (!Regex.IsMatch(product.Description, @"^.{1,16383}$"))
{
return(false);
}
for (int i = 0; i < product.Categories.Count; i++)
{
if (!Regex.IsMatch(product.Categories[i], @"^.{1,45}$"))
{
return(false);
}
}
for (int i = 0; i < product.PropertiesKey.Count; i++)
{
if (!Regex.IsMatch(product.PropertiesKey[i], @"^.{1,40}$"))
{
return(false);
}
if (!Regex.IsMatch(product.PropertiesValue[i], @"^.{1,40}$"))
{
return(false);
}
if (product.PropertiesKey.Count(a => a == product.PropertiesKey[i]) > 1)
{
return(false);
}
}
return(true);
}
public IActionResult UploadProductByExcel(IFormFile file)
{
if (file == null)
{
return(RedirectToAction("Product", "Admin"));
}
;
if (!IsExcelFile(file))
{
return(RedirectToAction("Product", "Admin"));
}
;
var filePath = Path.GetTempFileName();
using (var stream = new FileStream(filePath, FileMode.Create))
{
file.CopyTo(stream);
}
FileInfo fileInfo = new FileInfo(filePath);
List <ProductsImportModel> importProducts = new List <ProductsImportModel>();
using (ExcelPackage package = new ExcelPackage(fileInfo))
{
ExcelWorksheet worksheet = package.Workbook.Worksheets[1];
int rowCount = worksheet.Dimension.Rows;
int ColCount = worksheet.Dimension.Columns;
for (int row = 2; row <= rowCount; row++)
{
if (IsPropertyLine(worksheet, row) == 1)
{
importProducts[importProducts.Count - 1].PropertiesKey.Add(worksheet.Cells[row, 8].Text.Trim());
importProducts[importProducts.Count - 1].PropertiesValue.Add(worksheet.Cells[row, 9].Text.Trim());
}
else if (IsCorrectLine(worksheet, row))
{
ProductsImportModel product = new ProductsImportModel();
product.Title = worksheet.Cells[row, 1].Text.Trim();
product.ShortDescription = worksheet.Cells[row, 2].Text.Trim();
Decimal price;
if (!Regex.IsMatch(worksheet.Cells[row, 3].Text.Trim().Replace('.', ','), @"^\d{0,8}(,\d{1,2})?$"))
{
return(RedirectToAction("Product", "Admin")); //@"^[0-9]{1,8}[,.][0-9]{2}$"
}
Thread.CurrentThread.CurrentCulture = new CultureInfo("en-US");
if (!Decimal.TryParse(worksheet.Cells[row, 3].Text.Trim().Replace(',', '.'), NumberStyles.Number, CultureInfo.InvariantCulture, out price))
{
return(RedirectToAction("Product", "Admin"));
}
product.Price = price;
product.Images = worksheet.Cells[row, 4].Text.Trim().Split(' ').ToList();
product.Images = DeleteEmpty(product.Images);
product.SkuCode = worksheet.Cells[row, 5].Text.Trim();
product.Description = worksheet.Cells[row, 6].Text.Trim();
product.Categories = worksheet.Cells[row, 7].Text.Trim().Split('/').ToList();
if (product.Categories.Count > 3)
{
return(null);
}
if (worksheet.Cells[row, 8].Text.Trim() != "" && worksheet.Cells[row, 9].Text.Trim() != "")
{
product.PropertiesKey.Add(worksheet.Cells[row, 8].Text.Trim());
product.PropertiesValue.Add(worksheet.Cells[row, 9].Text.Trim());
}
if (!IsProductValid(product))
{
return(RedirectToAction("Product", "Admin"));
}
if (db.Product.FirstOrDefault(p => p.SkuCode == product.SkuCode) != null)
{
return(RedirectToAction("Product", "Admin"));
}
importProducts.Add(product);
}
else
{
return(RedirectToAction("Product", "Admin"));
}
}
}
AddProducts(importProducts);
return(RedirectToAction("Product", "Admin"));
}
private Boolean AddProducts(List <ProductsImportModel> excelProducts)
{
using (var transaction = db.Database.BeginTransaction())
{
Category parentCategory = new Category();
for (int i = 0; i < excelProducts.Count; i++)
{
ProductsImportModel excelProduct = excelProducts[i];
Category category = new Category();
try
{
for (int j = 0; j < excelProduct.Categories.Count; j++)
{
if (j > 0)
{
category = db.Category.FirstOrDefault(c => c.Title == excelProduct.Categories[j] && c.Parent_id == parentCategory.Id);
}
else
{
category = db.Category.FirstOrDefault(c => c.Title == excelProduct.Categories[j]);
}
if (category == null && j == 0) /*Root category*/
{
category = new Category();
category.Title = excelProduct.Categories[j];
db.Category.Add(category);
db.SaveChanges();
}
else if (category == null)
{
category = new Category();
category.Title = excelProduct.Categories[j];
category.Parent_id = parentCategory.Id;
db.Category.Add(category);
db.SaveChanges();
}
parentCategory = category;
}
}
catch (Exception) { transaction.Rollback(); }
Product product = new Product();
product.SkuCode = excelProduct.SkuCode;
product.Price = excelProduct.Price;
product.Title = excelProduct.Title;
product.Discount = excelProduct.Discount;
product.Description = excelProduct.Description;
//product.ShortDescription = excelProduct.ShortDescription;
product.CategoryId = category.Id;//db.Category.FirstOrDefault(c=>c.Title == excelProduct.Categories[excelProduct.Categories.Count-1]).Id;
try
{
db.Product.Add(product);
db.SaveChanges();
}
catch (Exception) { transaction.Rollback(); }
try
{
for (int j = 0; j < excelProduct.Images.Count; j++)
{
Image image = new Image();
image.Id = Guid.NewGuid().ToString();
image.Url = excelProduct.Images[j];
image.ProductId = product.Id;
db.Image.Add(image);
if (j == 0)
{
product.MainImageId = image.Id;
}
}
db.SaveChanges();
}
catch (Exception) { transaction.Rollback(); }
try
{
for (int j = 0; j < excelProduct.PropertiesKey.Count; j++)
{
ProductProperty property = new ProductProperty();
property.Name = excelProduct.PropertiesKey[j];
property.Value = excelProduct.PropertiesValue[j];
property.ProductId = product.Id;
db.ProductProperty.Add(property);
}
db.SaveChanges();
}
catch (Exception) { transaction.Rollback(); }
}
transaction.Commit();
}
return(true);
}
