feat: add purchase to UI

client/cmake/android.cmake

@@ -1,5 +1,9 @@
 message("Client android ${CMAKE_ANDROID_ARCH_ABI} build")
 
+# Option to build Play variant (with Google Play Billing) instead of OSS
+# When ON, adds target android_play_apk: cmake --build . --target android_play_apk
+option(ANDROID_BUILD_PLAY "Add android_play_apk target for Google Play Billing build" OFF)
+
 set(APP_ANDROID_MIN_SDK 28)
 set(ANDROID_PLATFORM "android-${APP_ANDROID_MIN_SDK}" CACHE STRING
     "The minimum API level supported by the application or library" FORCE)
@@ -53,3 +57,18 @@ file(COPY ${AMNEZIA_LIBXRAY_PATH} DESTINATION ${CMAKE_CURRENT_SOURCE_DIR}/androi
 find_package(openvpn-pt-android REQUIRED)
 set(LIBS ${LIBS} amnezia::openvpn-pt-android)
 set_property(TARGET ${PROJECT} APPEND PROPERTY QT_ANDROID_EXTRA_LIBS ${OPENVPN_PT_ANDROID_LIBCK_OVPN_PLUGIN_PATH})
+
+if(ANDROID_BUILD_PLAY)
+    if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+        set(_gradle_suffix "Debug")
+    else()
+        set(_gradle_suffix "Release")
+    endif()
+    set(_android_build_dir "${CMAKE_CURRENT_BINARY_DIR}/android-build-${PROJECT}")
+    add_custom_target(android_play_apk
+        COMMAND ./gradlew assemblePlay${_gradle_suffix} -DexplicitRun=1
+        WORKING_DIRECTORY "${_android_build_dir}"
+        COMMENT "Building Android Play variant (assemblePlay${_gradle_suffix})"
+        DEPENDS ${PROJECT}
+    )
+endif()

client/core/utils/errorCodes.h

@@ -105,6 +105,7 @@ namespace amnezia
         ApiCaptchaInvalidError = 1118,
         ApiCaptchaRefreshError = 1119,
         ApiRateLimitError = 1120,
+        ApiNoPurchasesToRestore = 1121,
 
         // QFile errors
         OpenError = 1200,

client/core/utils/errorStrings.cpp

@@ -97,6 +97,15 @@ QString errorString(ErrorCode code) {
     case (ErrorCode::ApiCaptchaInvalidError): errorMessage = QObject::tr("CAPTCHA was incorrect. Please try again"); break;
     case (ErrorCode::ApiCaptchaRefreshError): errorMessage = QObject::tr("CAPTCHA refreshed. Please try again"); break;
     case (ErrorCode::ApiRateLimitError): errorMessage = QObject::tr("Too many requests. Please try again later"); break;
+    case (ErrorCode::ApiNoPurchasesToRestore):
+#if defined(Q_OS_ANDROID)
+        errorMessage = QObject::tr("No purchases to restore. If you have an active subscription, make sure you're signed in with the same Google account used for the purchase.");
+#elif defined(Q_OS_IOS) || defined(MACOS_NE)
+        errorMessage = QObject::tr("No purchases to restore. If you have an active subscription, make sure you're signed in with the same Apple ID used for the purchase.");
+#else
+        errorMessage = QObject::tr("No purchases to restore. If you have an active subscription, make sure you're signed in with the same account used for the purchase.");
+#endif
+        break;
 
     // QFile errors
     case(ErrorCode::OpenError): errorMessage = QObject::tr("QFile error: The file could not be opened"); break;

client/core/utils/serialization/vmess.cpp

@@ -170,7 +170,7 @@ QJsonObject Deserialize(const QString &vmessStr, QString *alias, QString *errMes
     //   - It can be empty, if so,           if the key is not in the JSON, or the value is empty,  report an error.
     //   - Else if it contains one thing.    if the key is not in the JSON, or the value is empty,  use that one.
     //   - Else if it contains many things,  when the key IS in the JSON but not within the THINGS, use the first in the THINGS
-    //   - Else -------------------------------------------->>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>  use the JSON value
+    //   - Else -------------------------------------------- use the JSON value
     //
 #define __vmess_checker__func(key, values)                                                                                                               \
     {                                                                                                                                                    \

client/ui/qml/Pages2/PageSetupWizardConfigSource.qml

@@ -366,7 +366,7 @@ PageType {
         property string title: qsTr("Restore purchases")
         property string description: qsTr("")
         property string imageSource: "qrc:/images/controls/refresh-cw.svg"
-        property bool isVisible: Qt.platform.os === "ios" || IsMacOsNeBuild
+        property bool isVisible: Qt.platform.os === "ios" || IsMacOsNeBuild || Qt.platform.os === "android"
         property var handler: function() {
             PageController.showBusyIndicator(true)
             SubscriptionUiController.restoreServiceFromAppStore()