Merge branch 'develop_v1.2' of git.kdan.cc:Mac_PDF/PDF_Office into develop_v1.2

# By lizhe
# Via lizhe
* 'develop_v1.2' of git.kdan.cc:Mac_PDF/PDF_Office:
  【订阅】Apple内购逻辑补充

PDF Office/PDF Master/Class/KMLightMember/InAppPurchase/Appstore/KMInAppPurchaseManager.swift

@@ -47,6 +47,7 @@ class KMInAppPurchaseManager: NSObject {
     public static let manager = KMInAppPurchaseManager()
     
     var fetchProductCompletion: KMPurchaseFetchProductCompletion?
+    var purchaseProductCompletion: KMPurchaseCompletion?
     var availableProducts: [SKProduct] = []
     var request: SKProductsRequest?
     
@@ -109,6 +110,7 @@ class KMInAppPurchaseManager: NSObject {
     }
     
     func purchaseProduct(productIdentifier: String, completion: @escaping KMPurchaseCompletion) {
+        self.purchaseProductCompletion = completion
         if SKPaymentQueue.canMakePayments() {
             if let product = availableProducts.first(where: { $0.productIdentifier == productIdentifier }) {
                 print("\("购买产品") + \(productIdentifier)")
@@ -117,17 +119,25 @@ class KMInAppPurchaseManager: NSObject {
             } else {
                 // 未找到匹配的产品
                 print("未找到匹配的产品")
-                let tempProductIdentifier = productIdentifier
-                self.fetchProducts(completion: { [unowned self] isSuccess, products, error in
-                    if isSuccess {
-                        print("获取产品成功")
-                        self.purchaseProduct(productIdentifier: tempProductIdentifier, completion: completion)
-                    } else {
-                        print("获取产品失败")
-                    }
-                })
+                if availableProducts.isEmpty {
+                    let tempProductIdentifier = productIdentifier
+                    self.fetchProducts(completion: { [unowned self] isSuccess, products, error in
+                        if isSuccess {
+                            purchaseProductCompletion?(true,"")
+                            print("获取产品成功")
+//                            self.purchaseProduct(productIdentifier: tempProductIdentifier, completion: completion)
+                        } else {
+                            purchaseProductCompletion?(false,"获取产品失败")
+                            print("获取产品失败")
+                        }
+                    })
+                } else {
+                    purchaseProductCompletion?(false,"未找到对应产品")
+                    print("未找到对应产品")
+                }
             }
         } else {
+            purchaseProductCompletion?(false,"用户无法进行内购")
             print("用户无法进行内购")
         }
     }