积分与余额账务系统硬切重构

assets/js/vip-purchase-coordinator.js

@@ -15,6 +15,7 @@
   var DEFAULT_MAX_ELAPSED = 120000;
   var MAX_DELAY = 15000;
   var createFlights = Object.create(null);
+  var operationKeys = Object.create(null);
   var polls = Object.create(null);
   var lastScope = "";
   var scopeGeneration = 0;
@@ -47,6 +48,7 @@
       if (flight && typeof flight.cancel === "function") flight.cancel();
     });
     createFlights = Object.create(null);
+    operationKeys = Object.create(null);
     Object.keys(polls).forEach(function (pollKey) {
       var active = polls[pollKey];
       if (active && active.handle && typeof active.handle.abort === "function") active.handle.abort();
@@ -115,6 +117,7 @@
 
     var key = userScope() + ":" + String(packageId) + ":" + method;
     if (createFlights[key]) return createFlights[key].promise;
+    if (!operationKeys[key]) operationKeys[key] = window.AksrtRequest.createIdempotencyKey();
 
     var requestController = !options.signal && window.AbortController
       ? new window.AbortController()
@@ -122,6 +125,7 @@
     var flight = {
       promise: request("/pay/vip", {
         method: "POST",
+        headers: { "Idempotency-Key": operationKeys[key] },
         body: JSON.stringify({
           package_id: packageId,
           payment_method: method,
@@ -143,22 +147,31 @@
     }, function () {
       if (createFlights[key] === flight) delete createFlights[key];
     });
+    flight.promise.then(function (response) {
+      if (response.ok) delete operationKeys[key];
+    });
     return flight.promise;
   }
 
   function exchange(options) {
     options = options || {};
-    userScope();
+    var scope = userScope();
     var packageId = parseInt(options.packageId || options.package_id || 0, 10);
     if (!packageId) {
       return Promise.resolve({ ok: false, status: 400, json: { message: "兑换套餐无效" } });
     }
+    var key = scope + ":points-exchange:" + String(packageId);
+    if (!operationKeys[key]) operationKeys[key] = window.AksrtRequest.createIdempotencyKey();
     return request("/pay/vip/points-exchange", {
       method: "POST",
+      headers: { "Idempotency-Key": operationKeys[key] },
       body: JSON.stringify({ package_id: packageId }),
       signal: options.signal,
     }).then(function (response) {
-      if (response.ok) invalidate(options.tags || ["vip", "orders"]);
+      if (response.ok) {
+        delete operationKeys[key];
+        invalidate(options.tags || ["vip", "orders"]);
+      }
       return response;
     });
   }