Handling of paddle purchases and add-ons.

Wino.Core.Domain/Enums/WinoAddOnProductType.cs

@@ -0,0 +1,7 @@
+namespace Wino.Core.Domain.Enums;
+
+public enum WinoAddOnProductType
+{
+    AI_PACK,
+    UNLIMITED_ACCOUNTS
+}

Wino.Core.Domain/Interfaces/IStoreManagementService.cs

@@ -1,7 +1,5 @@
 using System.Threading.Tasks;
 using Wino.Core.Domain.Enums;
-using Wino.Core.Domain.Models.Store;
-
 namespace Wino.Core.Domain.Interfaces;
 
 public interface IStoreManagementService
@@ -9,10 +7,10 @@ public interface IStoreManagementService
     /// <summary>
     /// Checks whether user has the type of an add-on purchased.
     /// </summary>
-    Task<bool> HasProductAsync(StoreProductType productType);
+    Task<bool> HasProductAsync(WinoAddOnProductType productType);
 
     /// <summary>
     /// Attempts to purchase the given add-on.
     /// </summary>
-    Task<StorePurchaseResult> PurchaseAsync(StoreProductType productType);
+    Task<StorePurchaseResult> PurchaseAsync(WinoAddOnProductType productType);
 }

Wino.Core.Domain/Interfaces/IWinoAccountApiClient.cs

@@ -2,21 +2,25 @@
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
+using Wino.Core.Domain.Enums;
+using Wino.Core.Domain.Models.Accounts;
 using Wino.Mail.Api.Contracts.Ai;
 using Wino.Mail.Api.Contracts.Auth;
+using Wino.Mail.Api.Contracts.Billing;
 using Wino.Mail.Api.Contracts.Common;
 
 namespace Wino.Core.Domain.Interfaces;
 
 public interface IWinoAccountApiClient
 {
-    Task<ApiEnvelope<AuthResultDto>> RegisterAsync(string email, string password, CancellationToken cancellationToken = default);
-    Task<ApiEnvelope<AuthResultDto>> LoginAsync(string email, string password, CancellationToken cancellationToken = default);
-    Task<ApiEnvelope<AuthResultDto>> RefreshAsync(string refreshToken, CancellationToken cancellationToken = default);
+    Task<WinoAccountApiResult<AuthResultDto>> RegisterAsync(string email, string password, CancellationToken cancellationToken = default);
+    Task<WinoAccountApiResult<AuthResultDto>> LoginAsync(string email, string password, CancellationToken cancellationToken = default);
+    Task<WinoAccountApiResult<AuthResultDto>> RefreshAsync(string refreshToken, CancellationToken cancellationToken = default);
     Task<ApiEnvelope<JsonElement>> LogoutAsync(string refreshToken, CancellationToken cancellationToken = default);
     Task<ApiEnvelope<AuthUserDto>> GetCurrentUserAsync(CancellationToken cancellationToken = default);
     Task<ApiEnvelope<AiStatusResultDto>> GetAiStatusAsync(CancellationToken cancellationToken = default);
-    Task<ApiEnvelope<string>> CreateCheckoutSessionAsync(string productId, CancellationToken cancellationToken = default);
+    Task<ApiEnvelope<CheckoutSessionResultDto>> CreateCheckoutSessionAsync(WinoAddOnProductType productId, CancellationToken cancellationToken = default);
+    Task<ApiEnvelope<CustomerPortalResultDto>> CreateCustomerPortalSessionAsync(CancellationToken cancellationToken = default);
     Task<string?> GetSettingsAsync(CancellationToken cancellationToken = default);
     Task<bool> SaveSettingsAsync(string settingsJson, CancellationToken cancellationToken = default);
 }

Wino.Core.Domain/Interfaces/IWinoAccountProfileService.cs

@@ -2,9 +2,11 @@
 using System.Threading;
 using System.Threading.Tasks;
 using Wino.Core.Domain.Entities.Shared;
+using Wino.Core.Domain.Enums;
 using Wino.Core.Domain.Models.Accounts;
 using Wino.Mail.Api.Contracts.Ai;
 using Wino.Mail.Api.Contracts.Auth;
+using Wino.Mail.Api.Contracts.Billing;
 using Wino.Mail.Api.Contracts.Common;
 
 namespace Wino.Core.Domain.Interfaces;
@@ -17,8 +19,10 @@ public interface IWinoAccountProfileService
     Task<WinoAccount?> GetActiveAccountAsync();
     Task<WinoAccount?> GetAuthenticatedAccountAsync(CancellationToken cancellationToken = default);
     Task<bool> HasActiveAccountAsync();
+    Task<bool> HasAddOnAsync(WinoAddOnProductType productId, CancellationToken cancellationToken = default);
     Task<ApiEnvelope<AuthUserDto>> GetCurrentUserAsync(CancellationToken cancellationToken = default);
     Task<ApiEnvelope<AiStatusResultDto>> GetAiStatusAsync(CancellationToken cancellationToken = default);
-    Task<ApiEnvelope<string>> CreateCheckoutSessionAsync(string productId, CancellationToken cancellationToken = default);
+    Task<ApiEnvelope<CheckoutSessionResultDto>> CreateCheckoutSessionAsync(WinoAddOnProductType productId, CancellationToken cancellationToken = default);
+    Task<ApiEnvelope<CustomerPortalResultDto>> CreateCustomerPortalSessionAsync(CancellationToken cancellationToken = default);
     Task SignOutAsync(CancellationToken cancellationToken = default);
 }

Wino.Core.Domain/Interfaces/IWinoAddOnService.cs

@@ -0,0 +1,12 @@
+#nullable enable
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using Wino.Core.Domain.Models.Accounts;
+
+namespace Wino.Core.Domain.Interfaces;
+
+public interface IWinoAddOnService
+{
+    Task<IReadOnlyList<WinoAddOnInfo>> GetAvailableAddOnsAsync(CancellationToken cancellationToken = default);
+}

Wino.Core.Domain/Models/Accounts/WinoAccountApiResult.cs

@@ -0,0 +1,26 @@
+#nullable enable
+
+namespace Wino.Core.Domain.Models.Accounts;
+
+public sealed class WinoAccountApiResult<T>
+{
+    public bool IsSuccess { get; init; }
+    public string? ErrorCode { get; init; }
+    public string? ErrorMessage { get; init; }
+    public T? Result { get; init; }
+
+    public static WinoAccountApiResult<T> Success(T result)
+        => new()
+        {
+            IsSuccess = true,
+            Result = result
+        };
+
+    public static WinoAccountApiResult<T> Failure(string? errorCode, string? errorMessage = null)
+        => new()
+        {
+            IsSuccess = false,
+            ErrorCode = errorCode,
+            ErrorMessage = errorMessage
+        };
+}

Wino.Core.Domain/Models/Accounts/WinoAccountOperationResult.cs

@@ -7,6 +7,7 @@ public sealed class WinoAccountOperationResult
 {
     public bool IsSuccess { get; init; }
     public string? ErrorCode { get; init; }
+    public string? ErrorMessage { get; init; }
     public WinoAccount? Account { get; init; }
 
     public static WinoAccountOperationResult Success(WinoAccount account)
@@ -16,10 +17,11 @@ public sealed class WinoAccountOperationResult
             Account = account
         };
 
-    public static WinoAccountOperationResult Failure(string? errorCode)
+    public static WinoAccountOperationResult Failure(string? errorCode, string? errorMessage = null)
         => new()
         {
             IsSuccess = false,
-            ErrorCode = errorCode
+            ErrorCode = errorCode,
+            ErrorMessage = errorMessage
         };
 }

Wino.Core.Domain/Models/Accounts/WinoAddOnInfo.cs

@@ -0,0 +1,12 @@
+using System;
+using Wino.Core.Domain.Enums;
+
+namespace Wino.Core.Domain.Models.Accounts;
+
+public sealed record WinoAddOnInfo(
+    WinoAddOnProductType ProductType,
+    bool IsPurchased,
+    int? UsageCount = null,
+    int? UsageLimit = null,
+    double UsagePercentage = 0,
+    DateTimeOffset? RenewalDateUtc = null);

Wino.Core.Domain/Models/Store/StoreProductType.cs

@@ -1,6 +0,0 @@
-namespace Wino.Core.Domain.Models.Store;
-
-public enum StoreProductType
-{
-    UnlimitedAccounts
-}

Wino.Core.Domain/Translations/en_US/resources.json

@@ -84,6 +84,7 @@
     "Buttons_SyncAliases": "Synchronize Aliases",
     "Buttons_TryAgain": "Try Again",
     "Buttons_Yes": "Yes",
+    "Purchased": "Purchased",
     "Sync_SynchronizingFolder": "Synchronizing {0} {1}%",
     "Sync_DownloadedMessages": "Downloaded {0} messages from {1}",
     "SyncAction_Archiving": "Archiving {0} mail(s)",
@@ -860,7 +861,7 @@
     "WinoAccount_Management_SignedOutTitle": "Sign in to Wino Mail",
     "WinoAccount_Management_SignedOutDescription": "Sign in or create an account to sync your email, access AI features, and manage your settings across devices.",
     "WinoAccount_Management_ProfileSectionHeader": "Profile",
-    "WinoAccount_Management_AiPackSectionHeader": "AI Pack",
+    "WinoAccount_Management_AddOnsSectionHeader": "Wino Add-Ons",
     "WinoAccount_Management_DataSectionHeader": "Data",
     "WinoAccount_Management_AccountActionsSectionHeader": "Account actions",
     "WinoAccount_Management_AccountCardTitle": "Account",
@@ -887,14 +888,10 @@
     "WinoAccount_Management_AiPackFeatureTranslate": "Translate",
     "WinoAccount_Management_AiPackFeatureRewrite": "Rewrite",
     "WinoAccount_Management_AiPackFeatureSummarize": "Summarize",
-    "WinoAccount_Management_ImportSettingsTitle": "Import settings",
-    "WinoAccount_Management_ImportSettingsDescription": "Restore your preferences from cloud.",
-    "WinoAccount_Management_ExportSettingsTitle": "Export settings",
-    "WinoAccount_Management_ExportSettingsDescription": "Save your preferences to cloud.",
+    "WinoAccount_Management_SyncPreferencesTitle": "Synchronize Preferences",
+    "WinoAccount_Management_SyncPreferencesDescription": "Import or export your preferences to cloud. Import them across devices.",
     "WinoAccount_Management_SignOutTitle": "Sign out",
     "WinoAccount_Management_SignOutDescription": "Sign out of your account on this device",
-    "WinoAccount_Management_SettingsCardTitle": "Settings sync",
-    "WinoAccount_Management_SettingsCardDescription": "Export your current settings to your Wino Account or import them back on this device.",
     "WinoAccount_Management_StatusLabel": "Status: {0}",
     "WinoAccount_Management_NoRemoteSettings": "There are no synchronized settings stored for this account yet.",
     "WinoAccount_Management_ExportSucceeded": "Your settings were exported to your Wino Account.",
@@ -905,6 +902,12 @@
     "WinoAccount_Management_ImportEmpty": "The synchronized settings payload does not contain any values to restore.",
     "WinoAccount_Management_LoadFailed": "Wino could not load the latest Wino Account information.",
     "WinoAccount_Management_ActionFailed": "The Wino Account request could not be completed.",
+    "WinoAddOn_AI_PACK_Name": "AI Pack",
+    "WinoAddOn_AI_PACK_Description": "Translate, rewrite, and summarize emails with Wino AI.",
+    "WinoAddOn_AI_PACK_Keywords": "Translate · Rewrite · Summarize",
+    "WinoAddOn_UNLIMITED_ACCOUNTS_Name": "Unlimited Accounts",
+    "WinoAddOn_UNLIMITED_ACCOUNTS_Description": "Remove the 3-account limit and add as many accounts as you need.",
+    "WinoAddOn_UNLIMITED_ACCOUNTS_Keywords": "More accounts · No limit · One-time purchase",
     "SettingsSearch_MessageList_Keywords": "message;messages;list;threading;threads;avatar;preview;sender",
     "SettingsSearch_ReadComposePane_Keywords": "reader;compose;composer;font;fonts;external content;display;reading",
     "SettingsSearch_SignatureAndEncryption_Keywords": "signature;signatures;encryption;certificate;certificates;s mime;smime;security",