cart and checkout

2026-06-27 19:49:00 +02:00
parent 492f54ff45
commit 528c59bfd3
67 changed files with 3618 additions and 1031 deletions
@@ -146,3 +146,104 @@ func TestApplyResultsRecordsEffects(t *testing.T) {
 		}
 	})
 }
+
+func TestBuyXGetYEffect(t *testing.T) {
+	rule := PromotionRule{
+		ID:     "buy2get1",
+		Name:   "Buy 2 Get 1 Free",
+		Status: StatusActive,
+		Actions: []Action{
+			{
+				ID:   "buy2get1-action",
+				Type: ActionBuyXGetY,
+				Config: map[string]interface{}{
+					"buy":      2.0,
+					"get":      1.0,
+					"discount": 100.0,
+				},
+			},
+		},
+	}
+
+	svc := NewPromotionService(nil)
+
+	// Cart with 3 items of price 1000 each. Buy 2 get 1 free -> 1 is free -> 1000 discount.
+	g := cart.NewCartGrain(1, timeZero())
+	g.Items = []*cart.CartItem{
+		{Id: 1, Sku: "SKU1", Quantity: 3, Price: *cart.NewPriceFromIncVat(1000, 25)},
+	}
+	g.UpdateTotals()
+
+	results, _ := svc.EvaluateAll([]PromotionRule{rule}, NewContextFromCart(g, WithNow(timeZero())))
+	svc.ApplyResults(g, results, NewContextFromCart(g, WithNow(timeZero())))
+
+	if got := g.TotalDiscount.IncVat; got != 1000 {
+		t.Errorf("discount = %d, want 1000", got)
+	}
+	if got := g.TotalPrice.IncVat; got != 2000 {
+		t.Errorf("total price = %d, want 2000", got)
+	}
+}
+
+func TestBundleDiscountEffect(t *testing.T) {
+	rule := PromotionRule{
+		ID:     "bundle-deal",
+		Name:   "Bundle Deal",
+		Status: StatusActive,
+		Actions: []Action{
+			{
+				ID:   "bundle-action",
+				Type: ActionBundleDiscount,
+				BundleConfig: &BundleConfig{
+					Containers: []BundleContainer{
+						{
+							ID:            "shoes",
+							Name:          "Shoes",
+							Quantity:      1,
+							SelectionType: "any",
+							QualifyingRules: BundleQualifyingRules{
+								Type:  "category",
+								Value: "shoes",
+							},
+						},
+						{
+							ID:            "socks",
+							Name:          "Socks",
+							Quantity:      2,
+							SelectionType: "any",
+							QualifyingRules: BundleQualifyingRules{
+								Type:  "category",
+								Value: "socks",
+							},
+						},
+					},
+					Pricing: BundlePricing{
+						Type:  "fixed_price",
+						Value: 40.0, // 40 kr -> 4000 ore
+					},
+					RequireAllContainers: true,
+				},
+			},
+		},
+	}
+
+	svc := NewPromotionService(nil)
+
+	// Cart with 1 shoe (5000) and 2 socks (1000 each). Total original = 7000. Bundle fixed price is 4000. Discount = 3000.
+	g := cart.NewCartGrain(1, timeZero())
+	g.Items = []*cart.CartItem{
+		{Id: 1, Sku: "shoe-1", Quantity: 1, Price: *cart.NewPriceFromIncVat(5000, 25), Meta: &cart.ItemMeta{Category: "shoes"}},
+		{Id: 2, Sku: "socks-1", Quantity: 2, Price: *cart.NewPriceFromIncVat(1000, 25), Meta: &cart.ItemMeta{Category: "socks"}},
+	}
+	g.UpdateTotals()
+
+	results, _ := svc.EvaluateAll([]PromotionRule{rule}, NewContextFromCart(g, WithNow(timeZero())))
+	svc.ApplyResults(g, results, NewContextFromCart(g, WithNow(timeZero())))
+
+	if got := g.TotalDiscount.IncVat; got != 3000 {
+		t.Errorf("discount = %d, want 3000", got)
+	}
+	if got := g.TotalPrice.IncVat; got != 4000 {
+		t.Errorf("total price = %d, want 4000", got)
+	}
+}