[AC 482]automatically apply discounts to provider portal orgs (#2801)

* Adding discount coupon on provider org creation

* Change the provider discount Id

* Fixing the whitespace format

* Remove discount at subscription and apply to customer

* resolving a failing test

* Remove white spaces

src/Core/Services/IPaymentService.cs

@@ -10,7 +10,7 @@ public interface IPaymentService
     Task CancelAndRecoverChargesAsync(ISubscriber subscriber);
     Task<string> PurchaseOrganizationAsync(Organization org, PaymentMethodType paymentMethodType,
         string paymentToken, Plan plan, short additionalStorageGb, int additionalSeats,
-        bool premiumAccessAddon, TaxInfo taxInfo);
+        bool premiumAccessAddon, TaxInfo taxInfo, bool provider = false);
     Task SponsorOrganizationAsync(Organization org, OrganizationSponsorship sponsorship);
     Task RemoveOrganizationSponsorshipAsync(Organization org, OrganizationSponsorship sponsorship);
     Task<string> UpgradeFreeOrganizationAsync(Organization org, Plan plan,

src/Core/Services/Implementations/OrganizationService.cs

@@ -664,7 +664,7 @@ public class OrganizationService : IOrganizationService
         {
             await _paymentService.PurchaseOrganizationAsync(organization, signup.PaymentMethodType.Value,
                 signup.PaymentToken, plan, signup.AdditionalStorageGb, signup.AdditionalSeats,
-                signup.PremiumAccessAddon, signup.TaxInfo);
+                signup.PremiumAccessAddon, signup.TaxInfo, provider);
         }
 
         var ownerId = provider ? default : signup.Owner.Id;

src/Core/Services/Implementations/StripePaymentService.cs

@@ -16,6 +16,7 @@ public class StripePaymentService : IPaymentService
     private const string PremiumPlanAppleIapId = "premium-annually-appleiap";
     private const decimal PremiumPlanAppleIapPrice = 14.99M;
     private const string StoragePlanId = "storage-gb-annually";
+    private const string ProviderDiscountId = "msp-discount-35";
 
     private readonly ITransactionRepository _transactionRepository;
     private readonly IUserRepository _userRepository;
@@ -45,7 +46,7 @@ public class StripePaymentService : IPaymentService
 
     public async Task<string> PurchaseOrganizationAsync(Organization org, PaymentMethodType paymentMethodType,
         string paymentToken, StaticStore.Plan plan, short additionalStorageGb,
-        int additionalSeats, bool premiumAccessAddon, TaxInfo taxInfo)
+        int additionalSeats, bool premiumAccessAddon, TaxInfo taxInfo, bool provider = false)
     {
         Braintree.Customer braintreeCustomer = null;
         string stipeCustomerSourceToken = null;
@@ -134,7 +135,7 @@ public class StripePaymentService : IPaymentService
                         },
                     },
                 },
-
+                Coupon = provider ? ProviderDiscountId : null,
                 Address = new Stripe.AddressOptions
                 {
                     Country = taxInfo.BillingAddressCountry,

test/Core.Test/Services/StripePaymentServiceTests.cs

@@ -36,6 +36,56 @@ public class StripePaymentServiceTests
         Assert.Equal("Payment method is not supported at this time.", exception.Message);
     }
 
+    [Theory, BitAutoData]
+    public async void PurchaseOrganizationAsync_Stripe_ProviderOrg_Coupon_Add(SutProvider<StripePaymentService> sutProvider, Organization organization, string paymentToken, TaxInfo taxInfo, bool provider = true)
+    {
+        var plan = StaticStore.Plans.First(p => p.Type == PlanType.EnterpriseAnnually);
+
+        var stripeAdapter = sutProvider.GetDependency<IStripeAdapter>();
+        stripeAdapter.CustomerCreateAsync(default).ReturnsForAnyArgs(new Stripe.Customer
+        {
+            Id = "C-1",
+        });
+        stripeAdapter.SubscriptionCreateAsync(default).ReturnsForAnyArgs(new Stripe.Subscription
+        {
+            Id = "S-1",
+            CurrentPeriodEnd = DateTime.Today.AddDays(10),
+        });
+
+        var result = await sutProvider.Sut.PurchaseOrganizationAsync(organization, PaymentMethodType.Card, paymentToken, plan, 0, 0, false, taxInfo, provider);
+
+        Assert.Null(result);
+        Assert.Equal(GatewayType.Stripe, organization.Gateway);
+        Assert.Equal("C-1", organization.GatewayCustomerId);
+        Assert.Equal("S-1", organization.GatewaySubscriptionId);
+        Assert.True(organization.Enabled);
+        Assert.Equal(DateTime.Today.AddDays(10), organization.ExpirationDate);
+
+        await stripeAdapter.Received().CustomerCreateAsync(Arg.Is<Stripe.CustomerCreateOptions>(c =>
+            c.Description == organization.BusinessName &&
+            c.Email == organization.BillingEmail &&
+            c.Source == paymentToken &&
+            c.PaymentMethod == null &&
+            c.Coupon == "msp-discount-35" &&
+            !c.Metadata.Any() &&
+            c.InvoiceSettings.DefaultPaymentMethod == null &&
+            c.Address.Country == taxInfo.BillingAddressCountry &&
+            c.Address.PostalCode == taxInfo.BillingAddressPostalCode &&
+            c.Address.Line1 == taxInfo.BillingAddressLine1 &&
+            c.Address.Line2 == taxInfo.BillingAddressLine2 &&
+            c.Address.City == taxInfo.BillingAddressCity &&
+            c.Address.State == taxInfo.BillingAddressState &&
+            c.TaxIdData == null
+        ));
+
+        await stripeAdapter.Received().SubscriptionCreateAsync(Arg.Is<Stripe.SubscriptionCreateOptions>(s =>
+            s.Customer == "C-1" &&
+            s.Expand[0] == "latest_invoice.payment_intent" &&
+            s.Metadata[organization.GatewayIdField()] == organization.Id.ToString() &&
+            s.Items.Count == 0
+        ));
+    }
+
     [Theory, BitAutoData]
     public async void PurchaseOrganizationAsync_Stripe(SutProvider<StripePaymentService> sutProvider, Organization organization, string paymentToken, TaxInfo taxInfo)
     {