@pisell/pisellos/lib/model/strategy/adapter/walletPass/example.js

一个可扩展的前端模块化SDK框架，支持插件系统

// src/model/strategy/adapter/walletPass/example.ts
var import_evaluator = require("./evaluator");
var products = [
  {
    product_id: 60734,
    price: 80,
    quantity: 1,
    name: "商品A"
  },
  {
    product_id: 60735,
    price: 50,
    quantity: 2,
    name: "商品B"
  }
];
var vouchers = [
  {
    id: "VOUCHER_001",
    amount: 10,
    balance: 10,
    type: "cash_voucher"
  },
  {
    id: "VOUCHER_002",
    amount: 20,
    balance: 20,
    type: "cash_voucher"
  },
  {
    id: "VOUCHER_003",
    amount: 50,
    balance: 50,
    type: "cash_voucher"
  }
];
var strategyConfigs = [
  // 策略1: 满100减10，适用于 VOUCHER_001
  {
    metadata: {
      id: "STRATEGY_001",
      name: "满100减10",
      type: "wallet_pass",
      custom: {
        maxDeductionAmount: 10,
        // 最大抵扣10元
        maxUsagePerOrder: 1,
        // 每单最多用1张
        deductTaxAndFee: true,
        // 抵扣税费
        applicableProductIds: [60734, 60735]
        // 适用于这两个商品
      }
    },
    conditions: {
      operator: "and",
      rules: [
        // 匹配 voucher ID
        {
          type: "operator",
          field: "voucherId",
          operator: "in",
          value: ["VOUCHER_001"]
        },
        // 适用商品总额需 >= 100
        {
          type: "operator",
          field: "applicableProductTotal",
          operator: ">=",
          value: 100
        }
      ],
      actionIds: ["deduct_10"]
    },
    actions: [
      {
        id: "deduct_10",
        type: "DEDUCT_AMOUNT",
        value: 10,
        target: "applicable_products",
        priority: 1
      }
    ]
  },
  // 策略2: 满150减20，适用于 VOUCHER_002
  {
    metadata: {
      id: "STRATEGY_002",
      name: "满150减20",
      type: "wallet_pass",
      custom: {
        maxDeductionAmount: 20,
        maxUsagePerOrder: 1,
        deductTaxAndFee: true,
        applicableProductIds: [60734, 60735]
      }
    },
    conditions: {
      operator: "and",
      rules: [
        {
          type: "operator",
          field: "voucherId",
          operator: "in",
          value: ["VOUCHER_002"]
        },
        {
          type: "operator",
          field: "applicableProductTotal",
          operator: ">=",
          value: 150
        }
      ],
      actionIds: ["deduct_20"]
    },
    actions: [
      {
        id: "deduct_20",
        type: "DEDUCT_AMOUNT",
        value: 20,
        target: "applicable_products",
        priority: 1
      }
    ]
  },
  // 策略3: 满200减50，适用于 VOUCHER_003
  {
    metadata: {
      id: "STRATEGY_003",
      name: "满200减50",
      type: "wallet_pass",
      custom: {
        maxDeductionAmount: 50,
        maxUsagePerOrder: 2,
        deductTaxAndFee: false,
        applicableProductIds: [60734, 60735]
      }
    },
    conditions: {
      operator: "and",
      rules: [
        {
          type: "operator",
          field: "voucherId",
          operator: "in",
          value: ["VOUCHER_003"]
        },
        {
          type: "operator",
          field: "applicableProductTotal",
          operator: ">=",
          value: 200
        }
      ],
      actionIds: ["deduct_50"]
    },
    actions: [
      {
        id: "deduct_50",
        type: "DEDUCT_AMOUNT",
        value: 50,
        target: "applicable_products",
        priority: 1
      }
    ]
  }
];
function runExample() {
  console.log("========== WalletPass 评估器示例 ==========\n");
  const evaluator = new import_evaluator.WalletPassEvaluator();
  const results = evaluator.evaluate({
    orderTotalAmount: 180,
    products,
    vouchers,
    strategyConfigs
  });
  console.log("订单信息：");
  console.log(`- 总金额: ${180} 元`);
  console.log(`- 商品: ${products.map((p) => `${p.name}(${p.quantity}件)`).join(", ")}
`);
  console.log("评估结果：\n");
  results.forEach((result, index) => {
    console.log(`Voucher ${index + 1}: ${result.voucher.id}`);
    console.log(`  面额: ${result.voucher.amount} 元`);
    console.log(`  可用: ${result.isApplicable ? "✅ 是" : "❌ 否"}`);
    if (result.isApplicable) {
      console.log(`  最大抵扣: ${result.maxDeduction} 元`);
      console.log(`  每单可用: ${result.canUseCount} 张`);
      console.log(`  抵扣税费: ${result.deductTaxAndFee ? "是" : "否"}`);
      console.log(`  适用商品: ${result.applicableProductIds.join(", ")}`);
    } else {
      console.log(`  原因: ${result.reason}`);
      console.log(`  原因码: ${result.reasonCode}`);
    }
    console.log("");
  });
  const availableVouchers = results.filter((r) => r.isApplicable);
  console.log(`
共 ${availableVouchers.length} 张可用`);
  if (availableVouchers.length > 0) {
    console.log("可用 voucher ID:");
    availableVouchers.forEach((v) => {
      console.log(`  - ${v.voucher.id}: 最多抵扣 ${v.maxDeduction} 元`);
    });
  }
}
runExample();