/// <summary>
/// Find and total all multiline discount trade agreements that match the given relations and quantity.
/// </summary>
/// <param name="tradeAgreements">Trade agreement collection to calculate on.</param>
/// <param name="itemCode">The item code to search by (item group or all).</param>
/// <param name="retailTransaction">The transaction context with Id and customer Id.</param>
/// <param name="priceGroup">Multiline price group.</param>
/// <param name="salesQuantity">Aggregated quantity for multiline price group.</param>
/// <param name="percent1">Percentage one.</param>
/// <param name="percent2">Percentage two.</param>
/// <param name="discountAmount">Discount amount.</param>
private void GetMultiLineDiscountLine(
List <TradeAgreement> tradeAgreements,
PriceDiscountItemCode itemCode,
SalesTransaction retailTransaction,
string priceGroup,
decimal salesQuantity,
out decimal percent1,
out decimal percent2,
out decimal discountAmount)
{
PriceDiscountType relation = PriceDiscountType.MultilineDiscountSales; // Sales multiline discount - 6
ProductVariant dimension = new ProductVariant();
percent1 = decimal.Zero;
percent2 = decimal.Zero;
discountAmount = decimal.Zero;
bool searchAgain = true;
var codes = new PriceDiscountAccountCode[] { PriceDiscountAccountCode.Customer, PriceDiscountAccountCode.CustomerGroup, PriceDiscountAccountCode.AllCustomers };
foreach (var accountCode in codes)
{
// skip to next configuration if this one isn't enabled
if (!this.discountParameters.Activation(relation, accountCode, itemCode))
{
continue;
}
// get item relation based on item code
string itemRelation = (itemCode == PriceDiscountItemCode.ItemGroup) ? priceGroup : string.Empty;
itemRelation = itemRelation ?? string.Empty;
// get customer relation based on account code
string accountRelation = string.Empty;
if (accountCode == PriceDiscountAccountCode.Customer)
{
accountRelation = retailTransaction.CustomerId;
}
else if (accountCode == PriceDiscountAccountCode.CustomerGroup)
{
accountRelation = this.priceContext.CustomerMultipleLinePriceGroup;
}
accountRelation = accountRelation ?? string.Empty;
// if both relations are valid for the given item and account codes, look for trade agreements matching these relations
if (DiscountParameters.ValidRelation(accountCode, accountRelation) &&
DiscountParameters.ValidRelation(itemCode, itemRelation))
{
// get any active multiline discount trade agreement matching relations and quantity
var priceDiscTable = Discount.GetPriceDiscData(tradeAgreements, relation, itemRelation, accountRelation, itemCode, accountCode, salesQuantity, this.priceContext, dimension, false);
// compute running sum of discount values found
foreach (TradeAgreement row in priceDiscTable)
{
percent1 += row.PercentOne;
percent2 += row.PercentTwo;
discountAmount += row.Amount;
// stop search when we find a trade agreement set to not find next trade agreement
if (!row.ShouldSearchAgain)
{
searchAgain = false;
}
}
}
// stop search if we found a discount without "find next" marked
if (!searchAgain)
{
break;
}
}
}
private void GetLineDiscountLines(
List <TradeAgreement> tradeAgreements,
SalesLine saleItem,
ref decimal absQty,
ref decimal discountAmount,
ref decimal percent1,
ref decimal percent2,
ref decimal minQty)
{
int idx = 0;
while (idx < 9)
{
PriceDiscountItemCode itemCode = (PriceDiscountItemCode)(idx % 3); // Mod divsion
PriceDiscountAccountCode accountCode = (PriceDiscountAccountCode)(idx / 3);
string accountRelation = string.Empty;
if (accountCode == PriceDiscountAccountCode.Customer)
{
accountRelation = this.priceContext.CustomerAccount;
}
else if (accountCode == PriceDiscountAccountCode.CustomerGroup)
{
accountRelation = this.priceContext.CustomerLinePriceGroup;
}
accountRelation = accountRelation ?? string.Empty;
string itemRelation;
if (itemCode == PriceDiscountItemCode.Item)
{
itemRelation = saleItem.ItemId;
}
else
{
Item item = PriceContextHelper.GetItem(this.priceContext, saleItem.ItemId);
itemRelation = item != null ? item.LineDiscountGroupId : string.Empty;
}
itemRelation = itemRelation ?? string.Empty;
PriceDiscountType relation = PriceDiscountType.LineDiscountSales; // Sales line discount - 5
if (this.discountParameters.Activation(relation, accountCode, itemCode))
{
if (DiscountParameters.ValidRelation(accountCode, accountRelation) &&
DiscountParameters.ValidRelation(itemCode, itemRelation))
{
bool dimensionDiscountFound = false;
if (saleItem.Variant != null && !string.IsNullOrEmpty(saleItem.Variant.VariantId))
{
var dimensionPriceDiscTable = Discount.GetPriceDiscData(tradeAgreements, relation, itemRelation, accountRelation, itemCode, accountCode, absQty, this.priceContext, saleItem.Variant, true);
foreach (TradeAgreement row in dimensionPriceDiscTable)
{
bool unitsAreUndefinedOrEqual =
string.IsNullOrEmpty(row.UnitOfMeasureSymbol) ||
string.Equals(row.UnitOfMeasureSymbol, saleItem.SalesOrderUnitOfMeasure, StringComparison.OrdinalIgnoreCase);
if (unitsAreUndefinedOrEqual)
{
percent1 += row.PercentOne;
percent2 += row.PercentTwo;
discountAmount += row.Amount;
minQty += row.QuantityAmountFrom;
}
if (percent1 > 0M || percent2 > 0M || discountAmount > 0M)
{
dimensionDiscountFound = true;
}
if (!row.ShouldSearchAgain)
{
idx = 9;
}
}
}
if (!dimensionDiscountFound)
{
var priceDiscTable = Discount.GetPriceDiscData(tradeAgreements, relation, itemRelation, accountRelation, itemCode, accountCode, absQty, this.priceContext, saleItem.Variant, false);
foreach (TradeAgreement row in priceDiscTable)
{
// Apply default if the unit of measure is not set from the cart.
string unitOfMeasure = Discount.GetUnitOfMeasure(saleItem);
bool unitsAreUndefinedOrEqual =
string.IsNullOrEmpty(row.UnitOfMeasureSymbol) ||
string.Equals(row.UnitOfMeasureSymbol, unitOfMeasure, StringComparison.OrdinalIgnoreCase);
if (unitsAreUndefinedOrEqual)
{
percent1 += row.PercentOne;
percent2 += row.PercentTwo;
discountAmount += row.Amount;
minQty += row.QuantityAmountFrom;
}
if (!row.ShouldSearchAgain)
{
idx = 9;
}
}
}
}
}
idx++;
}
}