Fix construction of provider in-app products

Fixes #141

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Fixed
+
+- In-app purchase unavailable for new providers. [#141](https://github.com/passepartoutvpn/passepartout-ios/issues/141)
+
 ## 1.11.1 (2020-05-11)
 
 ### Added

Passepartout-iOS/Global/Product.swift

@@ -88,12 +88,12 @@ struct Product: RawRepresentable, Equatable, Hashable {
 
     static var allProviders: [Product] {
         return InfrastructureFactory.shared.allMetadata.map {
-            return Product(providerId: $0.description)
+            return Product(providerMetadata: $0)
         }
     }
     
-    fileprivate init(providerId: String) {
-        self.init(rawValue: "\(Product.providersBundle).\(providerId)")!
+    fileprivate init(providerMetadata: Infrastructure.Metadata) {
+        self.init(rawValue: "\(Product.providersBundle).\(providerMetadata.inApp ?? providerMetadata.name)")!
     }
 
     // MARK: All
@@ -137,7 +137,7 @@ struct Product: RawRepresentable, Equatable, Hashable {
 
 extension Infrastructure.Metadata {
     var product: Product {
-        return Product(providerId: inApp ?? name)
+        return Product(providerMetadata: self)
     }
 }