billing updater program

util/BillingUpdater/BillingUpdater.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <RootNamespace>Bit.BillingUpdater</RootNamespace>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\Core\Core.csproj" />
+  </ItemGroup>
+
+</Project>

util/BillingUpdater/Program.cs

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+using System;
+using System.Data.SqlClient;
+using System.Threading.Tasks;
+using Bit.Core.Models.Table;
+using Dapper;
+using Stripe;
+
+namespace Bit.BillingUpdater
+{
+    public class Program
+    {
+        public static void Main(string[] args)
+        {
+            MainAsync().Wait();
+        }
+
+        public async static Task MainAsync()
+        {
+            var connectionString = "";
+            var stripeApiKey = "";
+            var stripeSubscriptionService = new StripeSubscriptionService(stripeApiKey);
+
+            using(var connection = new SqlConnection(connectionString))
+            {
+                //Paid orgs
+
+                var orgs = await connection.QueryAsync<Organization>(
+                    "SELECT * FROM [Organization] WHERE [Enabled] = 1 AND AND GatewaySubscriptionId IS NOT NULL");
+
+                foreach(var org in orgs)
+                {
+                    DateTime? expDate = null;
+                    if(org.Gateway == Core.Enums.GatewayType.Stripe)
+                    {
+                        var sub = await stripeSubscriptionService.GetAsync(org.GatewaySubscriptionId);
+                        if(sub != null)
+                        {
+                            expDate = sub.CurrentPeriodEnd;
+                        }
+                    }
+
+                    if(expDate.HasValue)
+                    {
+                        Console.WriteLine("Updating org {0} exp to {1}.", org.Id, expDate.Value);
+                        await connection.ExecuteAsync(
+                            "UPDATE [Organization] SET [ExpirationDate] = @Date WHERE [Id] = @Id",
+                            new { Date = expDate, Id = org.Id });
+                    }
+                }
+            }
+        }
+    }
+}