Add freemium access economy and token store

2026-07-27 22:20:21 -05:00
parent 1d5d03a4f6
commit 4bbac27b84
40 changed files with 1807 additions and 37 deletions
@@ -0,0 +1,96 @@
+using MongoDB.Driver;
+using QuestionsApi.Models;
+
+namespace QuestionsApi.Services;
+
+public sealed class AccessPurchaseStore
+{
+    private readonly IMongoCollection<AccessPurchase> _purchases;
+
+    public AccessPurchaseStore(MongoDatabaseProvider mongo)
+    {
+        _purchases = mongo.Database.GetCollection<AccessPurchase>("AccessPurchases");
+        _purchases.Indexes.CreateMany([
+            new CreateIndexModel<AccessPurchase>(
+                Builders<AccessPurchase>.IndexKeys.Ascending(value => value.UserId).Descending(value => value.CreatedUtc)),
+            new CreateIndexModel<AccessPurchase>(
+                Builders<AccessPurchase>.IndexKeys.Ascending(value => value.ProviderSessionId),
+                new CreateIndexOptions<AccessPurchase>
+                {
+                    Unique = true,
+                    PartialFilterExpression = Builders<AccessPurchase>.Filter.Ne(value => value.ProviderSessionId, "")
+                })
+        ]);
+    }
+
+    public async Task<AccessPurchase> CreateAsync(string userId, AccessProduct product)
+    {
+        var purchase = new AccessPurchase
+        {
+            UserId = userId,
+            Sku = product.Sku,
+            AmountCents = product.AmountCents,
+            Currency = product.Currency
+        };
+        await _purchases.InsertOneAsync(purchase);
+        return purchase;
+    }
+
+    public async Task<AccessPurchase?> GetOwnedAsync(string id, string userId) =>
+        await _purchases.Find(value => value.Id == id && value.UserId == userId).FirstOrDefaultAsync();
+
+    public async Task<AccessPurchase?> GetAsync(string id) =>
+        await _purchases.Find(value => value.Id == id).FirstOrDefaultAsync();
+
+    public Task AttachSessionAsync(string id, string sessionId) =>
+        _purchases.UpdateOneAsync(
+            value => value.Id == id && value.Status == AccessPurchaseStatus.Pending,
+            Builders<AccessPurchase>.Update
+                .Set(value => value.ProviderSessionId, sessionId)
+                .Set(value => value.UpdatedUtc, DateTime.UtcNow));
+
+    public Task MarkCheckoutFailedAsync(string id) =>
+        _purchases.UpdateOneAsync(
+            value => value.Id == id && value.Status == AccessPurchaseStatus.Pending,
+            Builders<AccessPurchase>.Update
+                .Set(value => value.Status, AccessPurchaseStatus.Failed)
+                .Set(value => value.UpdatedUtc, DateTime.UtcNow));
+
+    public async Task<AccessPurchase?> ApplyProviderStatusAsync(
+        string id, string sessionId, long amountCents, string currency,
+        string status, string paymentId, string eventId)
+    {
+        if (string.IsNullOrWhiteSpace(id) || string.IsNullOrWhiteSpace(sessionId)) return null;
+        var filters = Builders<AccessPurchase>.Filter;
+        var filter = filters.Eq(value => value.Id, id) &
+            filters.Eq(value => value.AmountCents, amountCents) &
+            filters.Eq(value => value.Currency, currency.ToLowerInvariant()) &
+            (filters.Eq(value => value.ProviderSessionId, sessionId) |
+             filters.Eq(value => value.ProviderSessionId, "")) &
+            filters.Not(filters.AnyEq(value => value.ProviderEventIds, eventId));
+        var update = Builders<AccessPurchase>.Update
+            .Set(value => value.Status, status)
+            .Set(value => value.ProviderSessionId, sessionId)
+            .Set(value => value.ProviderPaymentId, paymentId)
+            .AddToSet(value => value.ProviderEventIds, eventId)
+            .Set(value => value.UpdatedUtc, DateTime.UtcNow);
+        return await _purchases.FindOneAndUpdateAsync(filter, update,
+            new FindOneAndUpdateOptions<AccessPurchase> { ReturnDocument = ReturnDocument.After });
+    }
+
+    public Task MarkGrantAppliedAsync(string id) =>
+        _purchases.UpdateOneAsync(
+            value => value.Id == id && value.Status == AccessPurchaseStatus.Paid,
+            Builders<AccessPurchase>.Update
+                .Set(value => value.GrantApplied, true)
+                .Set(value => value.UpdatedUtc, DateTime.UtcNow));
+
+    public static AccessPurchaseStatusResponse ToStatus(AccessPurchase purchase) => new()
+    {
+        PurchaseId = purchase.Id ?? "",
+        Sku = purchase.Sku,
+        AmountCents = purchase.AmountCents,
+        Currency = purchase.Currency,
+        Status = purchase.Status
+    };
+}