public virtual async Task <double> CalculateAttributeOptionPriceForUserAsync(int optionId, TblUsers user)
{
var option = await FindOptionByIdAsync(optionId);
if (option == null)
{
throw new ArgumentNullException(nameof(optionId));
}
var result = option.Price;
if (result <= 0)
{
return(0);
}
var alreadyPurchased = user?.Invoices.Where(p => p.Status == InvoiceStatus.Paid)
.SelectMany(p => p.InvoiceDetails).Where(p => p.ItemType == InvoiceDetailsItemType.ProductAttributeOption &&
p.ItemId == optionId).ToList();
if (alreadyPurchased != null &&
alreadyPurchased.OrderByDescending(p => p.PurchaseExpiration).Any(p =>
DateTime.Now <= p.PurchaseExpiration))
{
result = option.RenewalPrice;
}
if (user?.UserGroup != null &&
user.SubscriptionExpireDate > DateTime.Now)
{
var userGroupsDiscount = _productDiscountsForUserGroupsService
.FindProductDiscounts(option.ProductCheckoutAttribute.ProductId)?.ToList()
.Where(p =>
p.ApplyDiscountToProductAttributes).ToList();
if (userGroupsDiscount != null && userGroupsDiscount.Any())
{
var discount =
userGroupsDiscount.FirstOrDefault(p => p.UserGroupId == user.UserGroupId);
if (discount?.DiscountPercent > 0)
{
result = result - ((result * discount.DiscountPercent) / 100);
if (result < 0)
{
result = 0;
}
}
else
{
discount =
userGroupsDiscount
.Where(p => p.ApplyDiscountToHigherUserGroups &&
p.UserGroup.GroupPriority <= user.UserGroup.GroupPriority)
.OrderByDescending(p => p.UserGroup.GroupPriority)
.FirstOrDefault();
if (discount?.DiscountPercent > 0)
{
result = result - ((result * discount.DiscountPercent) / 100);
if (result < 0)
{
result = 0;
}
}
}
}
}
return(result);
}
public virtual double CalculateProductPriceForUser(TblProducts product, TblUsers user)
{
if (product == null)
{
throw new ArgumentNullException(nameof(product));
}
var result = product.Price;
if (result <= 0)
{
return(0);
}
var alreadyPurchased = user?.Invoices?.Where(p => p.Status == InvoiceStatus.Paid)
.SelectMany(p => p.InvoiceDetails).Where(p => p.ItemType == InvoiceDetailsItemType.Product &&
p.ItemId == product.Id).ToList();
if (alreadyPurchased != null &&
alreadyPurchased.OrderByDescending(p => p.PurchaseExpiration).Any(p =>
DateTime.Now <= p.PurchaseExpiration))
{
result = product.RenewalPrice;
}
if (user?.UserGroup != null &&
user.SubscriptionExpireDate > DateTime.Now)
{
var discountsForUserGroup = _productDiscountsForUserGroupsService.FindProductDiscounts(product.Id)?.ToList();
if (discountsForUserGroup != null &&
discountsForUserGroup.Any())
{
var discount =
discountsForUserGroup.FirstOrDefault(p => p.UserGroupId == user.UserGroupId);
if (discount?.DiscountPercent > 0)
{
result = result - (result * discount.DiscountPercent) / 100;
if (result < 0)
{
result = 0;
}
}
else
{
discount =
discountsForUserGroup
.Where(p => p.ApplyDiscountToHigherUserGroups &&
p.UserGroup.GroupPriority <= user.UserGroup.GroupPriority)
.OrderByDescending(p => p.UserGroup.GroupPriority)
.FirstOrDefault();
if (discount?.DiscountPercent > 0)
{
result = result - ((result * discount.DiscountPercent) / 100);
if (result < 0)
{
result = 0;
}
}
}
}
}
return(result);
}
protected virtual List <Tuple <TblUserGroups, string> > GenerateUserGroupDiscountsDescription(TblProducts product, TblUsers user)
{
if (product == null)
{
throw new ArgumentNullException(nameof(product));
}
var result = new List <Tuple <TblUserGroups, string> >();
var fromGroup = user?.UserGroupId != null ? user.UserGroup.GroupPriority : int.MinValue;
var discounts = _productDiscountsForUserGroupsService.FindProductDiscounts(product.Id);
foreach (var discount in discounts.Where(p => p.UserGroup.GroupPriority >= fromGroup))
{
var price = product.Price - (discount.DiscountPercent * product.Price) / 100;
var groupName = discount.UserGroup.GetLocalized(p => p.GroupName);
if (price <= 0)
{
//Free
if (discount.ApplyDiscountToHigherUserGroups)
{
result.Add(new Tuple <TblUserGroups, string>(discount.UserGroup, string.Format(
_localizationService.GetResource("FreeForUserGroupsOrHigher"),
groupName,
discount.UserGroup.Id,
discount.UserGroup.GroupPriority,
product.Id,
product.Slug)));
}
else
{
result.Add(new Tuple <TblUserGroups, string>(discount.UserGroup, string.Format(
_localizationService.GetResource("FreeForUserGroups"),
groupName,
discount.UserGroup.Id,
discount.UserGroup.GroupPriority,
product.Id,
product.Slug)));
}
}
else
{
if (discount.ApplyDiscountToHigherUserGroups)
{
result.Add(new Tuple <TblUserGroups, string>(discount.UserGroup, string.Format(
_localizationService.GetResource("DiscountForUserGroupsOrHigher"),
discount.DiscountPercent,
groupName,
price.ExchangeCurrencyStr(),
discount.UserGroup.Id,
discount.UserGroup.GroupPriority,
product.Id,
product.Slug)));
}
else
{
result.Add(new Tuple <TblUserGroups, string>(discount.UserGroup, string.Format(
_localizationService.GetResource("DiscountForUserGroups"),
discount.DiscountPercent,
groupName,
price.ExchangeCurrencyStr(),
discount.UserGroup.Id,
discount.UserGroup.GroupPriority,
product.Id,
product.Slug)));
}
}
}
return(result);
}
protected virtual string GenerateUserGroupDiscountsDescription(TblProducts product, TblUsers user)
{
string result = "";
var fromGroup = user?.UserGroupId != null ? user.UserGroup.GroupPriority : int.MinValue;
var discounts = _productDiscountsForUserGroupsService.FindProductDiscounts(product.Id);
foreach (var discount in discounts.Where(p => p.UserGroup.GroupPriority >= fromGroup))
{
var price = product.Price - (discount.DiscountPercent * product.Price) / 100;
var groupName = discount.UserGroup.GetLocalized(p => p.GroupName);
if (price <= 0)
{
//Free
if (discount.ApplyDiscountToHigherUserGroups)
{
result += string.Format(
_localizationService.GetResource("FreeForUserGroupsOrHigher"),
groupName,
discount.UserGroup.Id,
discount.UserGroup.GroupPriority,
product.Id,
product.Slug) + "<br/>";
}
else
{
result += string.Format(
_localizationService.GetResource("FreeForUserGroups"),
groupName,
discount.UserGroup.Id,
discount.UserGroup.GroupPriority,
product.Id,
product.Slug) + "<br/>";
}
}
else
{
if (discount.ApplyDiscountToHigherUserGroups)
{
result += string.Format(
_localizationService.GetResource("DiscountForUserGroupsOrHigher"),
discount.DiscountPercent,
groupName,
price.ExchangeCurrencyStr(),
discount.UserGroup.Id,
discount.UserGroup.GroupPriority,
product.Id,
product.Slug) + "<br/>";
}
else
{
result += string.Format(
_localizationService.GetResource("DiscountForUserGroups"),
discount.DiscountPercent,
groupName,
price.ExchangeCurrencyStr(),
discount.UserGroup.Id,
discount.UserGroup.GroupPriority,
product.Id,
product.Slug) + "<br/>";
}
}
}
return(result);
}