[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

util/Migrator/DbScripts/2025-02-11_00_AddColumn_ProviderDiscountId.sql

@@ -0,0 +1,171 @@
+-- Add 'DiscountId' column to 'Provider' table.
+IF COL_LENGTH('[dbo].[Provider]', 'DiscountId') IS NULL
+    BEGIN
+        ALTER TABLE
+            [dbo].[Provider]
+            ADD
+                [DiscountId] VARCHAR(50) NULL;
+    END
+GO
+
+-- Recreate 'ProviderView' so that it includes the 'DiscountId' column.
+CREATE OR ALTER VIEW [dbo].[ProviderView]
+AS
+SELECT
+    *
+FROM
+    [dbo].[Provider]
+GO
+
+-- Alter 'Provider_Create' SPROC to add 'DiscountId' column.
+CREATE OR ALTER PROCEDURE [dbo].[Provider_Create]
+    @Id UNIQUEIDENTIFIER OUTPUT,
+    @Name NVARCHAR(50),
+    @BusinessName NVARCHAR(50),
+    @BusinessAddress1 NVARCHAR(50),
+    @BusinessAddress2 NVARCHAR(50),
+    @BusinessAddress3 NVARCHAR(50),
+    @BusinessCountry VARCHAR(2),
+    @BusinessTaxNumber NVARCHAR(30),
+    @BillingEmail NVARCHAR(256),
+    @BillingPhone NVARCHAR(50) = NULL,
+    @Status TINYINT,
+    @Type TINYINT = 0,
+    @UseEvents BIT,
+    @Enabled BIT,
+    @CreationDate DATETIME2(7),
+    @RevisionDate DATETIME2(7),
+    @Gateway TINYINT = 0,
+    @GatewayCustomerId VARCHAR(50) = NULL,
+    @GatewaySubscriptionId VARCHAR(50) = NULL,
+    @DiscountId VARCHAR(50) = NULL
+AS
+BEGIN
+    SET NOCOUNT ON
+
+    INSERT INTO [dbo].[Provider]
+    (
+        [Id],
+        [Name],
+        [BusinessName],
+        [BusinessAddress1],
+        [BusinessAddress2],
+        [BusinessAddress3],
+        [BusinessCountry],
+        [BusinessTaxNumber],
+        [BillingEmail],
+        [BillingPhone],
+        [Status],
+        [Type],
+        [UseEvents],
+        [Enabled],
+        [CreationDate],
+        [RevisionDate],
+        [Gateway],
+        [GatewayCustomerId],
+        [GatewaySubscriptionId],
+        [DiscountId]
+    )
+    VALUES
+        (
+         @Id,
+         @Name,
+         @BusinessName,
+         @BusinessAddress1,
+         @BusinessAddress2,
+         @BusinessAddress3,
+         @BusinessCountry,
+         @BusinessTaxNumber,
+         @BillingEmail,
+         @BillingPhone,
+         @Status,
+         @Type,
+         @UseEvents,
+         @Enabled,
+         @CreationDate,
+         @RevisionDate,
+         @Gateway,
+         @GatewayCustomerId,
+         @GatewaySubscriptionId,
+         @DiscountId
+        )
+END
+GO
+
+-- Alter 'Provider_Update' SPROC to add 'DiscountId' column.
+CREATE OR ALTER PROCEDURE [dbo].[Provider_Update]
+    @Id UNIQUEIDENTIFIER,
+    @Name NVARCHAR(50),
+    @BusinessName NVARCHAR(50),
+    @BusinessAddress1 NVARCHAR(50),
+    @BusinessAddress2 NVARCHAR(50),
+    @BusinessAddress3 NVARCHAR(50),
+    @BusinessCountry VARCHAR(2),
+    @BusinessTaxNumber NVARCHAR(30),
+    @BillingEmail NVARCHAR(256),
+    @BillingPhone NVARCHAR(50) = NULL,
+    @Status TINYINT,
+    @Type TINYINT = 0,
+    @UseEvents BIT,
+    @Enabled BIT,
+    @CreationDate DATETIME2(7),
+    @RevisionDate DATETIME2(7),
+    @Gateway TINYINT = 0,
+    @GatewayCustomerId VARCHAR(50) = NULL,
+    @GatewaySubscriptionId VARCHAR(50) = NULL,
+    @DiscountId VARCHAR(50) = NULL
+AS
+BEGIN
+    SET NOCOUNT ON
+
+    UPDATE
+        [dbo].[Provider]
+    SET
+        [Name] = @Name,
+        [BusinessName] = @BusinessName,
+        [BusinessAddress1] = @BusinessAddress1,
+        [BusinessAddress2] = @BusinessAddress2,
+        [BusinessAddress3] = @BusinessAddress3,
+        [BusinessCountry] = @BusinessCountry,
+        [BusinessTaxNumber] = @BusinessTaxNumber,
+        [BillingEmail] = @BillingEmail,
+        [BillingPhone] = @BillingPhone,
+        [Status] = @Status,
+        [Type] = @Type,
+        [UseEvents] = @UseEvents,
+        [Enabled] = @Enabled,
+        [CreationDate] = @CreationDate,
+        [RevisionDate] = @RevisionDate,
+        [Gateway] = @Gateway,
+        [GatewayCustomerId] = @GatewayCustomerId,
+        [GatewaySubscriptionId] = @GatewaySubscriptionId,
+        [DiscountId] = @DiscountId
+    WHERE
+        [Id] = @Id
+END
+GO
+
+-- Refresh modules for SPROCs reliant on 'Provider' table/view.
+IF OBJECT_ID('[dbo].[Provider_ReadAbilities]') IS NOT NULL
+    BEGIN
+        EXECUTE sp_refreshsqlmodule N'[dbo].[Provider_ReadAbilities]';
+    END
+GO
+
+IF OBJECT_ID('[dbo].[Provider_ReadById]') IS NOT NULL
+    BEGIN
+        EXECUTE sp_refreshsqlmodule N'[dbo].[Provider_ReadById]';
+    END
+GO
+
+IF OBJECT_ID('[dbo].[Provider_ReadByOrganizationId]') IS NOT NULL
+    BEGIN
+        EXECUTE sp_refreshsqlmodule N'[dbo].[Provider_ReadByOrganizationId]';
+    END
+GO
+
+IF OBJECT_ID('[dbo].[Provider_Search]') IS NOT NULL
+    BEGIN
+        EXECUTE sp_refreshsqlmodule N'[dbo].[Provider_Search]';
+    END
+GO