[PM-12601] Add discount to MSP during creation in Admin Portal (#5391)

* Add Provider DiscountId to database and Stripe customer

* Fix tests

* Add missing EF migrations

* Run dotnet format

src/Admin/AdminConsole/Models/CreateMspProviderModel.cs

@@ -10,6 +10,9 @@ public class CreateMspProviderModel : IValidatableObject
     [Display(Name = "Owner Email")]
     public string OwnerEmail { get; set; }
 
+    [Display(Name = "Subscription Discount")]
+    public string DiscountId { get; set; }
+
     [Display(Name = "Teams (Monthly) Seat Minimum")]
     public int TeamsMonthlySeatMinimum { get; set; }
 
@@ -20,7 +23,8 @@ public class CreateMspProviderModel : IValidatableObject
     {
         return new Provider
         {
-            Type = ProviderType.Msp
+            Type = ProviderType.Msp,
+            DiscountId = DiscountId
         };
     }
 

src/Admin/AdminConsole/Views/Providers/CreateMsp.cshtml

@@ -1,3 +1,4 @@
+@using Bit.Core.Billing.Constants
 @model CreateMspProviderModel
 
 @{
@@ -12,6 +13,19 @@
             <label asp-for="OwnerEmail" class="form-label"></label>
             <input type="text" class="form-control" asp-for="OwnerEmail">
         </div>
+        <div class="mb-3">
+            @{
+                var selectList = new List<SelectListItem>
+                {
+                    new ("No discount", string.Empty, true),
+                    new ("20% - Open", StripeConstants.CouponIDs.MSPDiscounts.Open),
+                    new ("35% - Silver", StripeConstants.CouponIDs.MSPDiscounts.Silver),
+                    new ("50% - Gold", StripeConstants.CouponIDs.MSPDiscounts.Gold)
+                };
+            }
+            <label asp-for="DiscountId" class="form-label"></label>
+            <select class="form-select" asp-for="DiscountId" asp-items="selectList"></select>
+        </div>
         <div class="row">
             <div class="col-sm">
                 <div class="mb-3">

src/Core/AdminConsole/Entities/Provider/Provider.cs

@@ -35,6 +35,7 @@ public class Provider : ITableObject<Guid>, ISubscriber
     public GatewayType? Gateway { get; set; }
     public string? GatewayCustomerId { get; set; }
     public string? GatewaySubscriptionId { get; set; }
+    public string? DiscountId { get; set; }
 
     public string? BillingEmailAddress() => BillingEmail?.ToLowerInvariant().Trim();
 

src/Core/Billing/Constants/StripeConstants.cs

@@ -18,8 +18,15 @@ public static class StripeConstants
 
     public static class CouponIDs
     {
-        public const string MSPDiscount35 = "msp-discount-35";
+        public const string LegacyMSPDiscount = "msp-discount-35";
         public const string SecretsManagerStandalone = "sm-standalone";
+
+        public static class MSPDiscounts
+        {
+            public const string Open = "msp-open-discount";
+            public const string Silver = "msp-silver-discount";
+            public const string Gold = "msp-gold-discount";
+        }
     }
 
     public static class ErrorCodes

src/Core/Billing/Migration/Services/Implementations/ProviderMigrator.cs

@@ -254,7 +254,7 @@ public class ProviderMigrator(
 
             await stripeAdapter.CustomerUpdateAsync(customer.Id, new CustomerUpdateOptions
             {
-                Coupon = StripeConstants.CouponIDs.MSPDiscount35
+                Coupon = StripeConstants.CouponIDs.LegacyMSPDiscount
             });
 
             provider.GatewayCustomerId = customer.Id;

src/Core/Billing/Models/Sales/OrganizationSale.cs

@@ -46,7 +46,8 @@ public class OrganizationSale
         var customerSetup = new CustomerSetup
         {
             Coupon = signup.IsFromProvider
-            ? StripeConstants.CouponIDs.MSPDiscount35
+            // TODO: Remove when last of the legacy providers has been migrated.
+            ? StripeConstants.CouponIDs.LegacyMSPDiscount
             : signup.IsFromSecretsManagerTrial
                 ? StripeConstants.CouponIDs.SecretsManagerStandalone
                 : null

src/Sql/dbo/Stored Procedures/Provider_Create.sql

@@ -17,7 +17,8 @@
     @RevisionDate DATETIME2(7),
     @Gateway TINYINT = 0,
     @GatewayCustomerId VARCHAR(50) = NULL,
-    @GatewaySubscriptionId VARCHAR(50) = NULL
+    @GatewaySubscriptionId VARCHAR(50) = NULL,
+    @DiscountId VARCHAR(50) = NULL
 AS
 BEGIN
     SET NOCOUNT ON
@@ -42,7 +43,8 @@ BEGIN
         [RevisionDate],
         [Gateway],
         [GatewayCustomerId],
-        [GatewaySubscriptionId]
+        [GatewaySubscriptionId],
+        [DiscountId]
     )
     VALUES
     (
@@ -64,6 +66,7 @@ BEGIN
         @RevisionDate,
         @Gateway,
         @GatewayCustomerId,
-        @GatewaySubscriptionId
+        @GatewaySubscriptionId,
+        @DiscountId
     )
 END

src/Sql/dbo/Stored Procedures/Provider_Update.sql

@@ -17,7 +17,8 @@
     @RevisionDate DATETIME2(7),
     @Gateway TINYINT = 0,
     @GatewayCustomerId VARCHAR(50) = NULL,
-    @GatewaySubscriptionId VARCHAR(50) = NULL
+    @GatewaySubscriptionId VARCHAR(50) = NULL,
+    @DiscountId VARCHAR(50) = NULL
 AS
 BEGIN
     SET NOCOUNT ON
@@ -42,7 +43,8 @@ BEGIN
         [RevisionDate] = @RevisionDate,
         [Gateway] = @Gateway,
         [GatewayCustomerId] = @GatewayCustomerId,
-        [GatewaySubscriptionId] = @GatewaySubscriptionId
+        [GatewaySubscriptionId] = @GatewaySubscriptionId,
+        [DiscountId] = @DiscountId
     WHERE
         [Id] = @Id
 END

src/Sql/dbo/Tables/Provider.sql

@@ -18,5 +18,6 @@
     [Gateway]               TINYINT          NULL,
     [GatewayCustomerId]     VARCHAR (50)     NULL,
     [GatewaySubscriptionId] VARCHAR (50)     NULL,
+    [DiscountId]            VARCHAR (50)     NULL,
     CONSTRAINT [PK_Provider] PRIMARY KEY CLUSTERED ([Id] ASC)
 );