promotion types
This commit is contained in:
matst80
443
pkg/promotions/type_test.go
Normal file
443
pkg/promotions/type_test.go
Normal file
@@ -0,0 +1,443 @@
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package promotions
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import (
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"encoding/json"
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"testing"
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)
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// sampleJSON mirrors the user's full example data (all three rules)
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var sampleJSON = []byte(`[
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{
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"id": "1",
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"name": "Summer Sale 2024",
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"description": "20% off on all summer items",
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"status": "active",
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"priority": 1,
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"startDate": "2024-06-01",
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"endDate": "2024-08-31",
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"conditions": [
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{
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"id": "group1",
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"type": "group",
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"operator": "AND",
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"conditions": [
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{
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"id": "c1",
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"type": "product_category",
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"operator": "in",
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"value": ["summer", "beachwear"],
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"label": "Product category is Summer or Beachwear"
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},
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{
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"id": "c2",
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"type": "cart_total",
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"operator": "greater_or_equal",
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"value": 50,
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"label": "Cart total is at least $50"
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}
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]
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}
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],
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"actions": [
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{
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"id": "a1",
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"type": "percentage_discount",
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"value": 20,
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"label": "20% discount"
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}
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],
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"usageLimit": 1000,
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"usageCount": 342,
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"createdAt": "2024-05-15T10:00:00Z",
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"updatedAt": "2024-05-20T14:30:00Z",
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"createdBy": "admin@example.com",
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"tags": ["seasonal", "summer"]
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},
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{
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"id": "2",
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"name": "VIP Customer Exclusive",
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"description": "Free shipping for VIP customers",
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"status": "active",
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"priority": 2,
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"startDate": "2024-01-01",
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"endDate": null,
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"conditions": [
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{
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"id": "c3",
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"type": "customer_segment",
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"operator": "equals",
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"value": "vip",
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"label": "Customer segment is VIP"
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}
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],
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"actions": [
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{
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"id": "a2",
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"type": "free_shipping",
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"value": 0,
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"label": "Free shipping"
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}
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],
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"usageCount": 1523,
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"createdAt": "2023-12-15T09:00:00Z",
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"updatedAt": "2024-01-05T11:20:00Z",
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"createdBy": "marketing@example.com",
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"tags": ["vip", "loyalty"]
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},
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{
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"id": "3",
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"name": "Buy 2 Get 1 Free",
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"description": "Buy 2 items, get the cheapest one free",
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"status": "scheduled",
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"priority": 3,
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"startDate": "2024-12-01",
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"endDate": "2024-12-25",
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"conditions": [
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{
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"id": "c4",
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"type": "item_quantity",
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"operator": "greater_or_equal",
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"value": 3,
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"label": "Cart has at least 3 items"
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}
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],
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"actions": [
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{
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"id": "a3",
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"type": "buy_x_get_y",
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"value": 0,
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"config": { "buy": 2, "get": 1, "discount": 100 },
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"label": "Buy 2 Get 1 Free"
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}
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],
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"usageCount": 0,
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"createdAt": "2024-11-01T08:00:00Z",
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"updatedAt": "2024-11-01T08:00:00Z",
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"createdBy": "admin@example.com",
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"tags": ["holiday", "christmas"]
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}
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]`)
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func TestDecodePromotionRulesBasic(t *testing.T) {
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rules, err := DecodePromotionRules(sampleJSON)
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if err != nil {
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t.Fatalf("DecodePromotionRules failed: %v", err)
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}
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if len(rules) != 3 {
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t.Fatalf("expected 3 rules, got %d", len(rules))
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}
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// Rule 1 checks
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r1 := rules[0]
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if r1.ID != "1" {
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t.Errorf("rule[0].ID = %s, want 1", r1.ID)
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}
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if r1.Status != StatusActive {
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t.Errorf("rule[0].Status = %s, want %s", r1.Status, StatusActive)
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}
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if r1.EndDate == nil || *r1.EndDate != "2024-08-31" {
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t.Errorf("rule[0].EndDate = %v, want 2024-08-31", r1.EndDate)
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}
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if r1.UsageLimit == nil || *r1.UsageLimit != 1000 {
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t.Errorf("rule[0].UsageLimit = %v, want 1000", r1.UsageLimit)
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}
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// Rule 2 checks
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r2 := rules[1]
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if r2.ID != "2" {
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t.Errorf("rule[1].ID = %s, want 2", r2.ID)
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}
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if r2.EndDate != nil {
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t.Errorf("rule[1].EndDate should be nil (from null), got %v", *r2.EndDate)
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}
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if r2.UsageLimit != nil {
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t.Errorf("rule[1].UsageLimit should be nil (missing), got %v", *r2.UsageLimit)
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}
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}
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func TestConditionDecoding(t *testing.T) {
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rules, err := DecodePromotionRules(sampleJSON)
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if err != nil {
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t.Fatalf("DecodePromotionRules failed: %v", err)
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}
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r1 := rules[0]
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if len(r1.Conditions) != 1 {
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t.Fatalf("expected 1 top-level condition group, got %d", len(r1.Conditions))
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}
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grp, ok := r1.Conditions[0].(ConditionGroup)
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if !ok {
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t.Fatalf("top-level condition is not a group, type=%T", r1.Conditions[0])
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}
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if grp.Operator != LogicAND {
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t.Errorf("group operator = %s, want AND", grp.Operator)
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}
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if len(grp.Conditions) != 2 {
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t.Fatalf("expected 2 child conditions, got %d", len(grp.Conditions))
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}
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// First child: product_category condition with slice value
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c0, ok := grp.Conditions[0].(BaseCondition)
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if !ok {
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t.Fatalf("first child not BaseCondition, got %T", grp.Conditions[0])
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}
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if c0.Type != CondProductCategory {
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t.Errorf("first child type = %s, want %s", c0.Type, CondProductCategory)
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}
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if c0.Operator != OpIn {
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t.Errorf("first child operator = %s, want %s", c0.Operator, OpIn)
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}
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if arr, ok := c0.Value.AsStringSlice(); !ok || len(arr) != 2 || arr[0] != "summer" {
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t.Errorf("expected string slice value [summer,...], got %v", arr)
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}
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// Second child: cart_total numeric
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c1, ok := grp.Conditions[1].(BaseCondition)
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if !ok {
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t.Fatalf("second child not BaseCondition, got %T", grp.Conditions[1])
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}
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if c1.Type != CondCartTotal {
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t.Errorf("second child type = %s, want %s", c1.Type, CondCartTotal)
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}
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if val, ok := c1.Value.AsFloat64(); !ok || val != 50 {
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t.Errorf("expected numeric value 50, got %v (ok=%v)", val, ok)
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}
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}
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func TestConditionValueHelpers(t *testing.T) {
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tests := []struct {
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name string
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jsonVal string
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wantStr string
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wantNum *float64
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wantSS []string
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wantFS []float64
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}{
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{
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name: "string value",
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jsonVal: `"vip"`,
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wantStr: "vip",
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},
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{
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name: "number value",
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jsonVal: `42`,
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wantNum: floatPtr(42),
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},
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{
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name: "string slice",
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jsonVal: `["a","b"]`,
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wantSS: []string{"a", "b"},
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},
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{
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name: "number slice int",
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jsonVal: `[1,2,3]`,
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wantFS: []float64{1, 2, 3},
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},
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{
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name: "number slice float",
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jsonVal: `[1.5,2.25]`,
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wantFS: []float64{1.5, 2.25},
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},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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var cv ConditionValue
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if err := json.Unmarshal([]byte(tc.jsonVal), &cv); err != nil {
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t.Fatalf("unmarshal value failed: %v", err)
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}
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if tc.wantStr != "" {
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if got, ok := cv.AsString(); !ok || got != tc.wantStr {
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t.Errorf("AsString got=%q ok=%v want=%q", got, ok, tc.wantStr)
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}
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}
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if tc.wantNum != nil {
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if got, ok := cv.AsFloat64(); !ok || got != *tc.wantNum {
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t.Errorf("AsFloat64 got=%v ok=%v want=%v", got, ok, *tc.wantNum)
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}
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}
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if tc.wantSS != nil {
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if got, ok := cv.AsStringSlice(); !ok || len(got) != len(tc.wantSS) || got[0] != tc.wantSS[0] {
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t.Errorf("AsStringSlice got=%v ok=%v want=%v", got, ok, tc.wantSS)
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}
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}
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if tc.wantFS != nil {
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if got, ok := cv.AsFloat64Slice(); !ok || len(got) != len(tc.wantFS) {
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t.Errorf("AsFloat64Slice got=%v ok=%v want=%v", got, ok, tc.wantFS)
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} else {
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for i := range got {
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if got[i] != tc.wantFS[i] {
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t.Errorf("AsFloat64Slice[%d]=%v want=%v", i, got[i], tc.wantFS[i])
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}
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}
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}
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}
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})
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}
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}
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func TestWalkConditionsTraversal(t *testing.T) {
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rules, err := DecodePromotionRules(sampleJSON)
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if err != nil {
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t.Fatalf("DecodePromotionRules failed: %v", err)
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}
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visited := 0
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WalkConditions(rules[0].Conditions, func(c Condition) bool {
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visited++
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return true
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})
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// group + 2 children
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if visited != 3 {
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t.Errorf("expected 3 visited conditions, got %d", visited)
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}
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}
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func TestActionBundleConfigParsing(t *testing.T) {
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jsonData := []byte(`[
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{
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"id": "bundle-1",
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"name": "Bundle Deal",
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"description": "Fixed price bundle",
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"status": "active",
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"priority": 1,
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"startDate": "2024-01-01",
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"endDate": null,
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"conditions": [],
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"actions": [
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{
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"id": "act-bundle",
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"type": "bundle_discount",
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"value": 0,
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"bundleConfig": {
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"containers": [
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{
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"id": "cont1",
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"name": "Shoes",
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"quantity": 2,
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"selectionType": "any",
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"qualifyingRules": {
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"type": "category",
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"value": "shoes"
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}
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},
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{
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"id": "cont2",
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"name": "Socks",
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"quantity": 3,
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"selectionType": "specific",
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"qualifyingRules": {
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"type": "product_ids",
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"value": ["sock-1", "sock-2"]
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},
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"allowedProducts": ["sock-1","sock-2"]
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}
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],
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"pricing": {
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"type": "fixed_price",
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"value": 49.99
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},
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"requireAllContainers": true
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},
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"config": { "note": "Bundle applies to footwear + socks" }
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}
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],
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"usageCount": 0,
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"createdAt": "2024-01-01T00:00:00Z",
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"updatedAt": "2024-01-01T00:00:00Z",
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"createdBy": "bundle@example.com",
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"tags": ["bundle","footwear"]
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}
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]`)
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rules, err := DecodePromotionRules(jsonData)
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if err != nil {
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t.Fatalf("decode failed: %v", err)
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}
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if len(rules) != 1 {
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t.Fatalf("expected 1 rule, got %d", len(rules))
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}
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if len(rules[0].Actions) != 1 {
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t.Fatalf("expected 1 action, got %d", len(rules[0].Actions))
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}
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act := rules[0].Actions[0]
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if act.Type != ActionBundleDiscount {
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t.Fatalf("action type = %s, want %s", act.Type, ActionBundleDiscount)
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}
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if act.BundleConfig == nil {
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t.Fatalf("bundleConfig nil")
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}
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if act.BundleConfig.Pricing.Type != "fixed_price" {
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t.Errorf("pricing.type = %s, want fixed_price", act.BundleConfig.Pricing.Type)
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}
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if act.BundleConfig.Pricing.Value != 49.99 {
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t.Errorf("pricing.value = %v, want 49.99", act.BundleConfig.Pricing.Value)
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}
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if !act.BundleConfig.RequireAllContainers {
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t.Errorf("RequireAllContainers expected true")
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}
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if len(act.BundleConfig.Containers) != 2 {
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t.Fatalf("expected 2 containers, got %d", len(act.BundleConfig.Containers))
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}
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if act.Config == nil || act.Config["note"] != "Bundle applies to footwear + socks" {
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t.Errorf("config.note mismatch: %v", act.Config)
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}
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}
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func TestConditionValueInvalidTypes(t *testing.T) {
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cases := []struct {
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name string
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raw string
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}{
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{"object", `{}`},
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{"booleanTrue", `true`},
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{"booleanFalse", `false`},
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{"null", `null`},
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}
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for _, tc := range cases {
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t.Run(tc.name, func(t *testing.T) {
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var cv ConditionValue
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if err := json.Unmarshal([]byte(tc.raw), &cv); err != nil {
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t.Fatalf("unmarshal failed: %v", err)
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}
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if s, ok := cv.AsString(); ok {
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t.Errorf("AsString unexpectedly succeeded (%q) for %s", s, tc.name)
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}
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if n, ok := cv.AsFloat64(); ok {
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t.Errorf("AsFloat64 unexpectedly succeeded (%v) for %s", n, tc.name)
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}
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if ss, ok := cv.AsStringSlice(); ok {
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t.Errorf("AsStringSlice unexpectedly succeeded (%v) for %s", ss, tc.name)
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}
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if fs, ok := cv.AsFloat64Slice(); ok {
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t.Errorf("AsFloat64Slice unexpectedly succeeded (%v) for %s", fs, tc.name)
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}
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})
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}
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}
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func TestPromotionRuleRoundTrip(t *testing.T) {
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orig, err := DecodePromotionRules(sampleJSON)
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if err != nil {
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t.Fatalf("initial decode failed: %v", err)
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}
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data, err := json.Marshal(orig)
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if err != nil {
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t.Fatalf("marshal failed: %v", err)
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}
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round, err := DecodePromotionRules(data)
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if err != nil {
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t.Fatalf("round-trip decode failed: %v", err)
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}
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if len(orig) != len(round) {
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t.Fatalf("rule count mismatch: orig=%d round=%d", len(orig), len(round))
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}
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// spot-check first rule
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if orig[0].Name != round[0].Name {
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t.Errorf("first rule name mismatch: %s vs %s", orig[0].Name, round[0].Name)
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}
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if len(orig[0].Conditions) != len(round[0].Conditions) {
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t.Errorf("first rule condition count mismatch: %d vs %d", len(orig[0].Conditions), len(round[0].Conditions))
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}
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}
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func floatPtr(f float64) *float64 { return &f }
|
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371
pkg/promotions/types.go
Normal file
371
pkg/promotions/types.go
Normal file
@@ -0,0 +1,371 @@
|
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package promotions
|
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|
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import (
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"encoding/json"
|
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"errors"
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"fmt"
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"strconv"
|
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)
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// -----------------------------
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// Enum-like string types
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// -----------------------------
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|
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type ConditionOperator string
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const (
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OpEquals ConditionOperator = "equals"
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OpNotEquals ConditionOperator = "not_equals"
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OpGreaterThan ConditionOperator = "greater_than"
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OpLessThan ConditionOperator = "less_than"
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OpGreaterOrEqual ConditionOperator = "greater_or_equal"
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OpLessOrEqual ConditionOperator = "less_or_equal"
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OpContains ConditionOperator = "contains"
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OpNotContains ConditionOperator = "not_contains"
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OpIn ConditionOperator = "in"
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OpNotIn ConditionOperator = "not_in"
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)
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|
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type ConditionType string
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|
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const (
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CondCartTotal ConditionType = "cart_total"
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CondItemQuantity ConditionType = "item_quantity"
|
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CondCustomerSegment ConditionType = "customer_segment"
|
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CondProductCategory ConditionType = "product_category"
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CondProductID ConditionType = "product_id"
|
||||
CondCustomerLifetime ConditionType = "customer_lifetime_value"
|
||||
CondOrderCount ConditionType = "order_count"
|
||||
CondDateRange ConditionType = "date_range"
|
||||
CondDayOfWeek ConditionType = "day_of_week"
|
||||
CondTimeOfDay ConditionType = "time_of_day"
|
||||
CondGroup ConditionType = "group" // synthetic value for groups
|
||||
)
|
||||
|
||||
type ActionType string
|
||||
|
||||
const (
|
||||
ActionPercentageDiscount ActionType = "percentage_discount"
|
||||
ActionFixedDiscount ActionType = "fixed_discount"
|
||||
ActionFreeShipping ActionType = "free_shipping"
|
||||
ActionBuyXGetY ActionType = "buy_x_get_y"
|
||||
ActionTieredDiscount ActionType = "tiered_discount"
|
||||
ActionBundleDiscount ActionType = "bundle_discount"
|
||||
)
|
||||
|
||||
type LogicOperator string
|
||||
|
||||
const (
|
||||
LogicAND LogicOperator = "AND"
|
||||
LogicOR LogicOperator = "OR"
|
||||
)
|
||||
|
||||
type PromotionStatus string
|
||||
|
||||
const (
|
||||
StatusActive PromotionStatus = "active"
|
||||
StatusInactive PromotionStatus = "inactive"
|
||||
StatusScheduled PromotionStatus = "scheduled"
|
||||
StatusExpired PromotionStatus = "expired"
|
||||
)
|
||||
|
||||
// -----------------------------
|
||||
// Condition Value (union)
|
||||
// -----------------------------
|
||||
//
|
||||
// Represents: string | number | []string | []number
|
||||
// We store raw JSON and lazily interpret.
|
||||
|
||||
type ConditionValue struct {
|
||||
Raw json.RawMessage
|
||||
}
|
||||
|
||||
func (cv *ConditionValue) UnmarshalJSON(b []byte) error {
|
||||
if len(b) == 0 {
|
||||
return errors.New("empty ConditionValue")
|
||||
}
|
||||
// Just store raw; interpretation happens via helpers.
|
||||
cv.Raw = append(cv.Raw[0:0], b...)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Helpers to interpret value:
|
||||
func (cv ConditionValue) AsString() (string, bool) {
|
||||
// Treat explicit JSON null as invalid
|
||||
if string(cv.Raw) == "null" {
|
||||
return "", false
|
||||
}
|
||||
var s string
|
||||
if err := json.Unmarshal(cv.Raw, &s); err == nil {
|
||||
return s, true
|
||||
}
|
||||
return "", false
|
||||
}
|
||||
|
||||
func (cv ConditionValue) AsFloat64() (float64, bool) {
|
||||
if string(cv.Raw) == "null" {
|
||||
return 0, false
|
||||
}
|
||||
var f float64
|
||||
if err := json.Unmarshal(cv.Raw, &f); err == nil {
|
||||
return f, true
|
||||
}
|
||||
// Attempt integer decode into float64
|
||||
var i int64
|
||||
if err := json.Unmarshal(cv.Raw, &i); err == nil {
|
||||
return float64(i), true
|
||||
}
|
||||
return 0, false
|
||||
}
|
||||
|
||||
func (cv ConditionValue) AsStringSlice() ([]string, bool) {
|
||||
if string(cv.Raw) == "null" {
|
||||
return nil, false
|
||||
}
|
||||
var arr []string
|
||||
if err := json.Unmarshal(cv.Raw, &arr); err == nil {
|
||||
return arr, true
|
||||
}
|
||||
return nil, false
|
||||
}
|
||||
|
||||
func (cv ConditionValue) AsFloat64Slice() ([]float64, bool) {
|
||||
if string(cv.Raw) == "null" {
|
||||
return nil, false
|
||||
}
|
||||
var arrNum []float64
|
||||
if err := json.Unmarshal(cv.Raw, &arrNum); err == nil {
|
||||
return arrNum, true
|
||||
}
|
||||
// Try []int -> []float64
|
||||
var arrInt []int64
|
||||
if err := json.Unmarshal(cv.Raw, &arrInt); err == nil {
|
||||
out := make([]float64, len(arrInt))
|
||||
for i, v := range arrInt {
|
||||
out[i] = float64(v)
|
||||
}
|
||||
return out, true
|
||||
}
|
||||
return nil, false
|
||||
}
|
||||
|
||||
func (cv ConditionValue) String() string {
|
||||
if s, ok := cv.AsString(); ok {
|
||||
return s
|
||||
}
|
||||
if f, ok := cv.AsFloat64(); ok {
|
||||
return strconv.FormatFloat(f, 'f', -1, 64)
|
||||
}
|
||||
if ss, ok := cv.AsStringSlice(); ok {
|
||||
return fmt.Sprintf("%v", ss)
|
||||
}
|
||||
if fs, ok := cv.AsFloat64Slice(); ok {
|
||||
return fmt.Sprintf("%v", fs)
|
||||
}
|
||||
return string(cv.Raw)
|
||||
}
|
||||
|
||||
// -----------------------------
|
||||
// BaseCondition
|
||||
// -----------------------------
|
||||
|
||||
type BaseCondition struct {
|
||||
ID string `json:"id"`
|
||||
Type ConditionType `json:"type"`
|
||||
Operator ConditionOperator `json:"operator"`
|
||||
Value ConditionValue `json:"value"`
|
||||
Label *string `json:"label,omitempty"`
|
||||
}
|
||||
|
||||
func (b BaseCondition) IsGroup() bool { return false }
|
||||
|
||||
// -----------------------------
|
||||
// ConditionGroup
|
||||
// -----------------------------
|
||||
|
||||
type ConditionGroup struct {
|
||||
ID string `json:"id"`
|
||||
Type string `json:"type"` // always "group"
|
||||
Operator LogicOperator `json:"operator"`
|
||||
Conditions Conditions `json:"conditions"`
|
||||
}
|
||||
|
||||
// Custom unmarshaller ensures nested polymorphic conditions are decoded
|
||||
// using the Conditions type (which applies the raw element discriminator).
|
||||
func (g *ConditionGroup) UnmarshalJSON(b []byte) error {
|
||||
type alias struct {
|
||||
ID string `json:"id"`
|
||||
Type string `json:"type"`
|
||||
Operator LogicOperator `json:"operator"`
|
||||
Conditions json.RawMessage `json:"conditions"`
|
||||
}
|
||||
var a alias
|
||||
if err := json.Unmarshal(b, &a); err != nil {
|
||||
return err
|
||||
}
|
||||
// Basic validation
|
||||
if a.Type != "group" {
|
||||
return fmt.Errorf("ConditionGroup expected type 'group', got %q", a.Type)
|
||||
}
|
||||
|
||||
var conds Conditions
|
||||
if len(a.Conditions) > 0 {
|
||||
if err := json.Unmarshal(a.Conditions, &conds); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
g.ID = a.ID
|
||||
g.Type = a.Type
|
||||
g.Operator = a.Operator
|
||||
g.Conditions = conds
|
||||
return nil
|
||||
}
|
||||
|
||||
func (g ConditionGroup) IsGroup() bool { return true }
|
||||
|
||||
// -----------------------------
|
||||
// Condition interface + slice
|
||||
// -----------------------------
|
||||
|
||||
type Condition interface {
|
||||
IsGroup() bool
|
||||
}
|
||||
|
||||
// Internal wrapper to help decode each element.
|
||||
type rawCond struct {
|
||||
Type string `json:"type"`
|
||||
}
|
||||
|
||||
// Custom unmarshaler for a Condition slice
|
||||
type Conditions []Condition
|
||||
|
||||
func (cs *Conditions) UnmarshalJSON(b []byte) error {
|
||||
var rawList []json.RawMessage
|
||||
if err := json.Unmarshal(b, &rawList); err != nil {
|
||||
return err
|
||||
}
|
||||
out := make([]Condition, 0, len(rawList))
|
||||
for _, elem := range rawList {
|
||||
var hdr rawCond
|
||||
if err := json.Unmarshal(elem, &hdr); err != nil {
|
||||
return err
|
||||
}
|
||||
if hdr.Type == "group" {
|
||||
var grp ConditionGroup
|
||||
if err := json.Unmarshal(elem, &grp); err != nil {
|
||||
return err
|
||||
}
|
||||
// Recursively decode grp.Conditions (already handled because field type is []Condition)
|
||||
out = append(out, grp)
|
||||
} else {
|
||||
var bc BaseCondition
|
||||
if err := json.Unmarshal(elem, &bc); err != nil {
|
||||
return err
|
||||
}
|
||||
out = append(out, bc)
|
||||
}
|
||||
}
|
||||
*cs = out
|
||||
return nil
|
||||
}
|
||||
|
||||
// -----------------------------
|
||||
// Bundle Structures
|
||||
// -----------------------------
|
||||
|
||||
type BundleQualifyingRules struct {
|
||||
Type string `json:"type"` // "category" | "product_ids" | "tag" | "all"
|
||||
Value interface{} `json:"value"` // string or []string
|
||||
}
|
||||
|
||||
type BundleContainer struct {
|
||||
ID string `json:"id"`
|
||||
Name string `json:"name"`
|
||||
Quantity int `json:"quantity"`
|
||||
SelectionType string `json:"selectionType"` // "any" | "specific"
|
||||
QualifyingRules BundleQualifyingRules `json:"qualifyingRules"`
|
||||
AllowedProducts []string `json:"allowedProducts,omitempty"`
|
||||
}
|
||||
|
||||
type BundlePricing struct {
|
||||
Type string `json:"type"` // "fixed_price" | "percentage_discount" | "fixed_discount"
|
||||
Value float64 `json:"value"`
|
||||
}
|
||||
|
||||
type BundleConfig struct {
|
||||
Containers []BundleContainer `json:"containers"`
|
||||
Pricing BundlePricing `json:"pricing"`
|
||||
RequireAllContainers bool `json:"requireAllContainers"`
|
||||
}
|
||||
|
||||
// -----------------------------
|
||||
// Action
|
||||
// -----------------------------
|
||||
|
||||
type Action struct {
|
||||
ID string `json:"id"`
|
||||
Type ActionType `json:"type"`
|
||||
Value interface{} `json:"value"` // number or string
|
||||
Config map[string]interface{} `json:"config,omitempty"`
|
||||
BundleConfig *BundleConfig `json:"bundleConfig,omitempty"`
|
||||
Label *string `json:"label,omitempty"`
|
||||
}
|
||||
|
||||
// -----------------------------
|
||||
// Promotion Rule
|
||||
// -----------------------------
|
||||
|
||||
type PromotionRule struct {
|
||||
ID string `json:"id"`
|
||||
Name string `json:"name"`
|
||||
Description string `json:"description"`
|
||||
Status PromotionStatus `json:"status"`
|
||||
Priority int `json:"priority"`
|
||||
StartDate string `json:"startDate"`
|
||||
EndDate *string `json:"endDate"` // null -> nil
|
||||
Conditions Conditions `json:"conditions"`
|
||||
Actions []Action `json:"actions"`
|
||||
UsageLimit *int `json:"usageLimit,omitempty"`
|
||||
UsageCount int `json:"usageCount"`
|
||||
CreatedAt string `json:"createdAt"`
|
||||
UpdatedAt string `json:"updatedAt"`
|
||||
CreatedBy string `json:"createdBy"`
|
||||
Tags []string `json:"tags"`
|
||||
}
|
||||
|
||||
// -----------------------------
|
||||
// Promotion Stats
|
||||
// -----------------------------
|
||||
|
||||
type PromotionStats struct {
|
||||
TotalPromotions int `json:"totalPromotions"`
|
||||
ActivePromotions int `json:"activePromotions"`
|
||||
TotalRevenue float64 `json:"totalRevenue"`
|
||||
TotalOrders int `json:"totalOrders"`
|
||||
AverageDiscount float64 `json:"averageDiscount"`
|
||||
}
|
||||
|
||||
// -----------------------------
|
||||
// Utility: Decode array of rules
|
||||
// -----------------------------
|
||||
|
||||
func DecodePromotionRules(data []byte) ([]PromotionRule, error) {
|
||||
var rules []PromotionRule
|
||||
if err := json.Unmarshal(data, &rules); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return rules, nil
|
||||
}
|
||||
|
||||
// Example helper to inspect conditions programmatically.
|
||||
func WalkConditions(conds []Condition, fn func(c Condition) bool) {
|
||||
for _, c := range conds {
|
||||
if !fn(c) {
|
||||
return
|
||||
}
|
||||
if grp, ok := c.(ConditionGroup); ok {
|
||||
WalkConditions(grp.Conditions, fn)
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user