Add SKProduct extension to provide a localizedPrice string

README.md

@@ -50,10 +50,7 @@ If there are any pending transactions at this point, these will be reported by t
 ```swift
 SwiftyStoreKit.retrieveProductsInfo(["com.musevisions.SwiftyStoreKit.Purchase1"]) { result in
     if let product = result.retrievedProducts.first {
-        let numberFormatter = NumberFormatter()
-        numberFormatter.locale = product.priceLocale
-        numberFormatter.numberStyle = .currency
-        let priceString = numberFormatter.string(from: product.price)
+        let priceString = product.localizedPrice!
         print("Product: \(product.localizedDescription), price: \(priceString)")
     }
     else if let invalidProductId = result.invalidProductIDs.first {

SwiftyStoreDemo/ViewController.swift

@@ -179,10 +179,7 @@ extension ViewController {
     func alertForProductRetrievalInfo(_ result: SwiftyStoreKit.RetrieveResults) -> UIAlertController {
         
         if let product = result.retrievedProducts.first {
-            let numberFormatter = NumberFormatter()
-            numberFormatter.locale = product.priceLocale
-            numberFormatter.numberStyle = .currency
-            let priceString = numberFormatter.string(from: product.price)
+            let priceString = product.localizedPrice!
             return alertWithTitle(product.localizedTitle, message: "\(product.localizedDescription) - \(priceString)")
         }
         else if let invalidProductId = result.invalidProductIDs.first {

SwiftyStoreKit.xcodeproj/project.pbxproj

@@ -28,6 +28,9 @@
 		6502F63C1B985CA4004E342D /* SwiftyStoreKit.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6502F6241B98586A004E342D /* SwiftyStoreKit.swift */; };
 		651A71251CD651AF000B4091 /* InAppCompleteTransactionsObserver.swift in Sources */ = {isa = PBXBuildFile; fileRef = 651A71241CD651AF000B4091 /* InAppCompleteTransactionsObserver.swift */; };
 		651A71261CD651AF000B4091 /* InAppCompleteTransactionsObserver.swift in Sources */ = {isa = PBXBuildFile; fileRef = 651A71241CD651AF000B4091 /* InAppCompleteTransactionsObserver.swift */; };
+		653722811DB8282600C8F944 /* SKProduct+LocalizedPrice.swift in Sources */ = {isa = PBXBuildFile; fileRef = 653722801DB8282600C8F944 /* SKProduct+LocalizedPrice.swift */; };
+		653722821DB8290A00C8F944 /* SKProduct+LocalizedPrice.swift in Sources */ = {isa = PBXBuildFile; fileRef = 653722801DB8282600C8F944 /* SKProduct+LocalizedPrice.swift */; };
+		653722831DB8290B00C8F944 /* SKProduct+LocalizedPrice.swift in Sources */ = {isa = PBXBuildFile; fileRef = 653722801DB8282600C8F944 /* SKProduct+LocalizedPrice.swift */; };
 		65C1B5DF1BB9DE9B00F7BF4E /* NetworkActivityIndicatorManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = 65C1B5DE1BB9DE9B00F7BF4E /* NetworkActivityIndicatorManager.swift */; };
 		C4083C551C2AADB500295248 /* InAppReceipt.swift in Sources */ = {isa = PBXBuildFile; fileRef = C4A7C7621C29B8D00053ED64 /* InAppReceipt.swift */; };
 		C4083C571C2AB0A900295248 /* InAppReceiptRefreshRequest.swift in Sources */ = {isa = PBXBuildFile; fileRef = C4083C561C2AB0A900295248 /* InAppReceiptRefreshRequest.swift */; };
@@ -107,6 +110,7 @@
 		6502F62F1B985C40004E342D /* SwiftyStoreKit.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = SwiftyStoreKit.h; sourceTree = "<group>"; };
 		6502F6311B985C40004E342D /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		651A71241CD651AF000B4091 /* InAppCompleteTransactionsObserver.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = InAppCompleteTransactionsObserver.swift; sourceTree = "<group>"; };
+		653722801DB8282600C8F944 /* SKProduct+LocalizedPrice.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "SKProduct+LocalizedPrice.swift"; sourceTree = "<group>"; };
 		65C1B5DE1BB9DE9B00F7BF4E /* NetworkActivityIndicatorManager.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = NetworkActivityIndicatorManager.swift; sourceTree = "<group>"; };
 		C4083C561C2AB0A900295248 /* InAppReceiptRefreshRequest.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = InAppReceiptRefreshRequest.swift; sourceTree = "<group>"; };
 		C40C680F1C29414C00B60B7E /* OS.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = OS.swift; sourceTree = "<group>"; };
@@ -204,6 +208,7 @@
 				C4083C561C2AB0A900295248 /* InAppReceiptRefreshRequest.swift */,
 				C4A7C7621C29B8D00053ED64 /* InAppReceipt.swift */,
 				651A71241CD651AF000B4091 /* InAppCompleteTransactionsObserver.swift */,
+				653722801DB8282600C8F944 /* SKProduct+LocalizedPrice.swift */,
 				6502F6241B98586A004E342D /* SwiftyStoreKit.swift */,
 				C40C680F1C29414C00B60B7E /* OS.swift */,
 				6502F62F1B985C40004E342D /* SwiftyStoreKit.h */,
@@ -474,6 +479,7 @@
 				54C0D5681CF7428400F90BCE /* SwiftyStoreKit.swift in Sources */,
 				54B069961CF744DC00BAFE38 /* OS.swift in Sources */,
 				54B069931CF742D300BAFE38 /* InAppReceiptRefreshRequest.swift in Sources */,
+				653722831DB8290B00C8F944 /* SKProduct+LocalizedPrice.swift in Sources */,
 				54B069921CF742D100BAFE38 /* InAppReceipt.swift in Sources */,
 				54B069941CF742D600BAFE38 /* InAppProductQueryRequest.swift in Sources */,
 			);
@@ -498,6 +504,7 @@
 				6502F63A1B985C9E004E342D /* InAppProductPurchaseRequest.swift in Sources */,
 				6502F63B1B985CA1004E342D /* InAppProductQueryRequest.swift in Sources */,
 				C4083C571C2AB0A900295248 /* InAppReceiptRefreshRequest.swift in Sources */,
+				653722811DB8282600C8F944 /* SKProduct+LocalizedPrice.swift in Sources */,
 				C4A7C7631C29B8D00053ED64 /* InAppReceipt.swift in Sources */,
 				6502F63C1B985CA4004E342D /* SwiftyStoreKit.swift in Sources */,
 			);
@@ -512,6 +519,7 @@
 				C4D74BC31C24CEDC0071AD3E /* InAppProductPurchaseRequest.swift in Sources */,
 				C4D74BC41C24CEDC0071AD3E /* InAppProductQueryRequest.swift in Sources */,
 				C4F69A8A1C2E0D21009DD8BD /* InAppReceiptRefreshRequest.swift in Sources */,
+				653722821DB8290A00C8F944 /* SKProduct+LocalizedPrice.swift in Sources */,
 				C4083C551C2AADB500295248 /* InAppReceipt.swift in Sources */,
 				C4D74BC51C24CEDC0071AD3E /* SwiftyStoreKit.swift in Sources */,
 			);

SwiftyStoreKit/SKProduct+LocalizedPrice.swift

@@ -0,0 +1,36 @@
+//
+// SKProduct+LocalizedPrice.swift
+// SwiftyStoreKit
+//
+// Created by Andrea Bizzotto on 19/10/2016.
+// Copyright (c) 2015 Andrea Bizzotto (bizz84@gmail.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+import StoreKit
+
+public extension SKProduct {
+
+    public var localizedPrice: String? {
+        let numberFormatter = NumberFormatter()
+        numberFormatter.locale = self.priceLocale
+        numberFormatter.numberStyle = .currency
+        return numberFormatter.string(from: self.price)
+    }
+}

SwiftyStoreOSXDemo/ViewController.swift

@@ -162,10 +162,7 @@ extension ViewController {
     func alertForProductRetrievalInfo(_ result: SwiftyStoreKit.RetrieveResults) -> NSAlert {
         
         if let product = result.retrievedProducts.first {
-            let numberFormatter = NumberFormatter()
-            numberFormatter.locale = product.priceLocale
-            numberFormatter.numberStyle = .currency
-            let priceString = numberFormatter.string(from: product.price)
+            let priceString = product.localizedPrice!
             return alertWithTitle(product.localizedTitle, message: "\(product.localizedDescription) - \(priceString)")
         }
         else if let invalidProductId = result.invalidProductIDs.first {