private static void GroupBranchOffers()
{
var branchOffers = new LoyaltyCardBranchOffer[]
{
new LoyaltyCardBranchOffer(1, 1, 10, 50, 20, new[] { 1, 2 }),
new LoyaltyCardBranchOffer(2, 1, 10, 50, 21, new[] { 3 }),
new LoyaltyCardBranchOffer(3, 1, 10, 60, 20, new[] { 1, 2 }),
new LoyaltyCardBranchOffer(4, 2, 11, 70, 25, new[] { 1, 2 }),
new LoyaltyCardBranchOffer(4, 2, 11, 80, 25, new[] { 1, 2 })
};
var grouped = branchOffers.GroupBy(c => new { Card = c.CardId, Merchant = c.MerchantId, Branch = c.BranchId })
.Select(g => new
{
Card = g.Key.Card,
Merchant = g.Key.Merchant,
Branch = g.Key.Branch,
Offers = g.Select(i => i.OfferId).ToArray(),
Categories = g.SelectMany(i => i.Categories).ToArray()
}).ToArray();
}
private static void GroupBranchOffers()
{
var branchOffers = new LoyaltyCardBranchOffer[]
{
new LoyaltyCardBranchOffer(1, 1, 10, 50, 20, new[] { 1, 2 }),
new LoyaltyCardBranchOffer(2, 1, 10, 50, 21, new[] { 3 }),
new LoyaltyCardBranchOffer(3, 1, 10, 60, 20, new[] { 1, 2 }),
new LoyaltyCardBranchOffer(4, 2, 11, 70, 25, new[] { 1, 2 }),
new LoyaltyCardBranchOffer(4, 2, 11, 80, 25, new[] { 1, 2 })
};
var grouped = branchOffers.GroupBy(c => new { Card = c.CardId, Merchant = c.MerchantId, Branch = c.BranchId })
.Select(g => new
{
Card = g.Key.Card,
Merchant = g.Key.Merchant,
Branch = g.Key.Branch,
Offers = g.Select(i => i.OfferId).ToArray(),
Categories = g.SelectMany(i => i.Categories).ToArray()
}).ToArray();
}
