show refund

lib/src/localization/app_de.arb

@@ -187,6 +187,7 @@
     "open": "Offene",
     "buy": "Kaufen",
     "createOrRedeemVoucher": "Gutschein erstellen oder einlösen",
+    "subscriptionRefund": "Wenn du ein Upgrade durchführst, erhältst du eine Rückerstattung von {refund} für dein aktuelles Abonnement.",
     "createVoucher": "Gutschein kaufen",
     "createVoucherDesc": "Wähle den Wert des Gutscheins. Der Wert des Gutschein wird von deinem twonly-Guthaben abgezogen.",
     "redeemVoucher": "Gutschein einlösen",
@@ -199,6 +200,7 @@
     "transactionCash": "Bargeldtransaktion",
     "transactionPlanUpgrade": "Planupgrade",
     "transactionRefund": "Rückerstattung",
+    "refund": "Rückerstattung",
     "transactionThanksForTesting": "Danke fürs Testen",
     "transactionUnknown": "Unbekannte Transaktion",
     "transactionVoucherCreated": "Gutschein erstellt",

lib/src/localization/app_en.arb

@@ -356,6 +356,7 @@
   "requestedVouchers": "Requested vouchers",
   "redeemedVouchers": "Redeemed vouchers",
   "buy": "Buy",
+  "subscriptionRefund": "When you upgrade, you will receive a refund of {refund} for your current subscription.",
   "transactionCash": "Cash transaction",
   "transactionPlanUpgrade": "Plan upgrade",
   "transactionRefund": "Refund transaction",
@@ -364,6 +365,7 @@
   "transactionVoucherCreated": "Voucher created",
   "transactionVoucherRedeemed": "Voucher redeemed",
   "checkoutOptions": "Options",
+  "refund": "Refund",
   "checkoutPayYearly": "Pay yearly",
   "checkoutTotal": "Total",
   "selectPaymentMethode": "Select Payment Method",

lib/src/localization/generated/app_localizations.dart

@@ -1199,6 +1199,12 @@ abstract class AppLocalizations {
   /// **'Buy'**
   String get buy;
 
+  /// No description provided for @subscriptionRefund.
+  ///
+  /// In en, this message translates to:
+  /// **'When you upgrade, you will receive a refund of {refund} for your current subscription.'**
+  String subscriptionRefund(Object refund);
+
   /// No description provided for @transactionCash.
   ///
   /// In en, this message translates to:
@@ -1247,6 +1253,12 @@ abstract class AppLocalizations {
   /// **'Options'**
   String get checkoutOptions;
 
+  /// No description provided for @refund.
+  ///
+  /// In en, this message translates to:
+  /// **'Refund'**
+  String get refund;
+
   /// No description provided for @checkoutPayYearly.
   ///
   /// In en, this message translates to:

lib/src/localization/generated/app_localizations_de.dart

@@ -572,6 +572,11 @@ class AppLocalizationsDe extends AppLocalizations {
   @override
   String get buy => 'Kaufen';
 
+  @override
+  String subscriptionRefund(Object refund) {
+    return 'Wenn du ein Upgrade durchführst, erhältst du eine Rückerstattung von $refund für dein aktuelles Abonnement.';
+  }
+
   @override
   String get transactionCash => 'Bargeldtransaktion';
 
@@ -596,6 +601,9 @@ class AppLocalizationsDe extends AppLocalizations {
   @override
   String get checkoutOptions => 'Optionen';
 
+  @override
+  String get refund => 'Rückerstattung';
+
   @override
   String get checkoutPayYearly => 'Jährlich bezahlen';
 

lib/src/localization/generated/app_localizations_en.dart

@@ -572,6 +572,11 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get buy => 'Buy';
 
+  @override
+  String subscriptionRefund(Object refund) {
+    return 'When you upgrade, you will receive a refund of $refund for your current subscription.';
+  }
+
   @override
   String get transactionCash => 'Cash transaction';
 
@@ -596,6 +601,9 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get checkoutOptions => 'Options';
 
+  @override
+  String get refund => 'Refund';
+
   @override
   String get checkoutPayYearly => 'Pay yearly';
 

lib/src/views/settings/subscription/additional_users_view.dart

@@ -0,0 +1,15 @@
+import 'package:flutter/widgets.dart';
+
+class AdditionalUsersView extends StatefulWidget {
+  const AdditionalUsersView({super.key});
+
+  @override
+  State<AdditionalUsersView> createState() => _AdditionalUsersViewState();
+}
+
+class _AdditionalUsersViewState extends State<AdditionalUsersView> {
+  @override
+  Widget build(BuildContext context) {
+    return const Placeholder();
+  }
+}

lib/src/views/settings/subscription/checkout_view.dart

@@ -4,12 +4,15 @@ import 'package:twonly/src/views/settings/subscription/select_payment.dart';
 import 'package:twonly/src/views/settings/subscription/subscription_view.dart';
 
 class CheckoutView extends StatefulWidget {
-  const CheckoutView({
+  const CheckoutView(
-    super.key,
+      {super.key,
-    required this.planId,
+      required this.planId,
-  });
+      this.refund,
+      this.disableMonthlyOption});
 
   final String planId;
+  final int? refund;
+  final bool? disableMonthlyOption;
 
   @override
   State<CheckoutView> createState() => _CheckoutViewState();
@@ -49,28 +52,53 @@ class _CheckoutViewState extends State<CheckoutView> {
               child: ListView(
                 children: [
                   PlanCard(planId: widget.planId),
-                  Padding(
+                  if (widget.disableMonthlyOption == null ||
-                    padding: const EdgeInsets.all(16.0),
+                      !widget.disableMonthlyOption!)
-                    child: ListTile(
+                    Padding(
-                      title: Text(context.lang.checkoutPayYearly),
+                      padding: const EdgeInsets.all(16.0),
-                      onTap: () {
+                      child: ListTile(
-                        paidMonthly = !paidMonthly;
+                        title: Text(context.lang.checkoutPayYearly),
-                        setCheckout(false);
+                        onTap: () {
-                      },
-                      trailing: Checkbox(
-                        value: !paidMonthly,
-                        onChanged: (a) {
                           paidMonthly = !paidMonthly;
                           setCheckout(false);
                         },
+                        trailing: Checkbox(
+                          value: !paidMonthly,
+                          onChanged: (a) {
+                            paidMonthly = !paidMonthly;
+                            setCheckout(false);
+                          },
+                        ),
                       ),
                     ),
-                  ),
                 ],
               ),
             ),
+            if (widget.refund != null)
+              Padding(
+                padding: EdgeInsets.symmetric(horizontal: 16),
+                child: Card(
+                  child: Padding(
+                    padding: EdgeInsets.all(16),
+                    child: Row(
+                      mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+                      children: [
+                        Text(
+                          context.lang.refund,
+                          style: TextStyle(fontWeight: FontWeight.bold),
+                        ),
+                        Text(
+                          "+${localePrizing(context, widget.refund!)}",
+                          textAlign: TextAlign.end,
+                          style: TextStyle(color: context.color.primary),
+                        ),
+                      ],
+                    ),
+                  ),
+                ),
+              ),
             Padding(
-              padding: EdgeInsets.all(16),
+              padding: EdgeInsets.symmetric(horizontal: 16),
               child: Card(
                 child: Padding(
                   padding: EdgeInsets.all(16),
@@ -90,6 +118,7 @@ class _CheckoutViewState extends State<CheckoutView> {
                 ),
               ),
             ),
+            SizedBox(height: 16),
             Padding(
               padding: EdgeInsets.symmetric(horizontal: 16),
               child: FilledButton(
@@ -97,7 +126,10 @@ class _CheckoutViewState extends State<CheckoutView> {
                     bool? success = await Navigator.push(context,
                         MaterialPageRoute(builder: (context) {
                       return SelectPaymentView(
-                          planId: widget.planId, payMonthly: paidMonthly);
+                        planId: widget.planId,
+                        payMonthly: paidMonthly,
+                        refund: widget.refund,
+                      );
                     }));
                     if (success != null && success && context.mounted) {
                       Navigator.pop(context);

lib/src/views/settings/subscription/select_payment.dart

@@ -10,16 +10,17 @@ import 'package:twonly/src/views/settings/subscription/voucher_view.dart';
 import 'package:url_launcher/url_launcher.dart';
 
 class SelectPaymentView extends StatefulWidget {
-  const SelectPaymentView({
+  const SelectPaymentView(
-    super.key,
+      {super.key,
-    this.planId,
+      this.planId,
-    this.payMonthly,
+      this.payMonthly,
-    this.valueInCents,
+      this.valueInCents,
-  });
+      this.refund});
 
   final String? planId;
   final bool? payMonthly;
   final int? valueInCents;
+  final int? refund;
 
   @override
   State<SelectPaymentView> createState() => _SelectPaymentViewState();
@@ -162,8 +163,31 @@ class _SelectPaymentViewState extends State<SelectPaymentView> {
                 ),
               ),
             ),
+            if (widget.refund != null)
+              Padding(
+                padding: EdgeInsets.symmetric(horizontal: 16),
+                child: Card(
+                  child: Padding(
+                    padding: EdgeInsets.all(16),
+                    child: Row(
+                      mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+                      children: [
+                        Text(
+                          context.lang.refund,
+                          style: TextStyle(fontWeight: FontWeight.bold),
+                        ),
+                        Text(
+                          "+${localePrizing(context, widget.refund!)}",
+                          textAlign: TextAlign.end,
+                          style: TextStyle(color: context.color.primary),
+                        ),
+                      ],
+                    ),
+                  ),
+                ),
+              ),
             Padding(
-              padding: EdgeInsets.all(16),
+              padding: EdgeInsets.symmetric(horizontal: 16),
               child: Card(
                 child: Padding(
                   padding: EdgeInsets.all(16),
@@ -183,6 +207,7 @@ class _SelectPaymentViewState extends State<SelectPaymentView> {
                 ),
               ),
             ),
+            SizedBox(height: 16),
             Padding(
               padding: EdgeInsets.symmetric(horizontal: 16),
               child: FilledButton(
@@ -199,6 +224,7 @@ class _SelectPaymentViewState extends State<SelectPaymentView> {
                             user.subscriptionPlan = widget.planId!;
                             await updateUser(user);
                           }
+                          if (!context.mounted) return;
                           context
                               .read<CustomChangeProvider>()
                               .updatePlan(widget.planId!);

lib/src/views/settings/subscription/subscription_view.dart

@@ -51,6 +51,33 @@ Future<Response_PlanBallance?> loadPlanBallance() async {
   return ballance;
 }
 
+// ignore: constant_identifier_names
+const int MONTHLY_PAYMENT_DAYS = 30;
+// ignore: constant_identifier_names
+const int YEARLY_PAYMENT_DAYS = 365;
+
+int calculateRefund(Response_PlanBallance current) {
+  int refund = getPlanPrice("Pro", true);
+
+  if (current.paymentPeriodDays == YEARLY_PAYMENT_DAYS) {
+    final elapsedDays = DateTime.now()
+        .difference(DateTime.fromMillisecondsSinceEpoch(
+            current.lastPaymentDoneUnixTimestamp.toInt() * 1000))
+        .inDays;
+    if (elapsedDays < current.paymentPeriodDays.toInt()) {
+      // User has yearly plan with 10€
+      // used it half a year and wants now to upgrade => gets 5€ discount...
+      // math.ceil(((365-(365/2))/365)*10)
+      // => 5€
+
+      refund = (((YEARLY_PAYMENT_DAYS - elapsedDays) / YEARLY_PAYMENT_DAYS) *
+              getPlanPrice("Pro", false))
+          .ceil();
+    }
+  }
+  return refund;
+}
+
 class SubscriptionView extends StatefulWidget {
   const SubscriptionView({super.key});
 
@@ -94,6 +121,10 @@ class _SubscriptionViewState extends State<SubscriptionView> {
     }
 
     String currentPlan = context.read<CustomChangeProvider>().plan;
+    int refund = 0;
+    if (currentPlan == "Pro" && ballance != null) {
+      refund = calculateRefund(ballance!);
+    }
 
     return Scaffold(
       appBar: AppBar(
@@ -138,7 +169,9 @@ class _SubscriptionViewState extends State<SubscriptionView> {
               onTap: () async {
                 await Navigator.push(context,
                     MaterialPageRoute(builder: (context) {
-                  return CheckoutView(planId: "Pro");
+                  return CheckoutView(
+                    planId: "Pro",
+                  );
                 }));
                 initAsync();
               },
@@ -146,10 +179,17 @@ class _SubscriptionViewState extends State<SubscriptionView> {
           if (currentPlan != "Family")
             PlanCard(
               planId: "Family",
+              refund: refund,
               onTap: () async {
                 await Navigator.push(context,
                     MaterialPageRoute(builder: (context) {
-                  return CheckoutView(planId: "Family");
+                  return CheckoutView(
+                    planId: "Family",
+                    refund: (refund > 0) ? refund : null,
+                    disableMonthlyOption: (currentPlan == "Pro" &&
+                        ballance!.paymentPeriodDays.toInt() ==
+                            YEARLY_PAYMENT_DAYS),
+                  );
                 }));
                 initAsync();
               },
@@ -243,10 +283,12 @@ int getPlanPrice(String planId, bool paidMonthly) {
 class PlanCard extends StatelessWidget {
   final String planId;
   final Function()? onTap;
+  final int? refund;
 
   const PlanCard({
     super.key,
     required this.planId,
+    this.refund,
     this.onTap,
   });
 
@@ -340,6 +382,19 @@ class PlanCard extends StatelessWidget {
                     ),
                   ),
                 ),
+                if (refund != null && refund! > 0)
+                  Padding(
+                    padding: const EdgeInsets.only(top: 7),
+                    child: Text(
+                      context.lang
+                          .subscriptionRefund(localePrizing(context, refund!)),
+                      textAlign: TextAlign.center,
+                      style: TextStyle(
+                        color: context.color.primary,
+                        fontSize: 12,
+                      ),
+                    ),
+                  )
               ],
             ),
           ),