Fix connection string resolution

Author: mattbrailsford

src/Umbraco.Commerce.Deploy/Composing/UmbracoCommerceDeployComposer.cs

@@ -21,7 +21,7 @@ public void Compose(IUmbracoBuilder builder)
             // Ensure SQLite support for local development
             builder.WithUmbracoCommerceBuilder().AddSQLite();
 
-            builder.Services.AddUnique<IConfigureOptions<ConnectionStringConfig>, ConfigureUmbracoCommerceConnectionString>();
+            builder.Services.AddUnique<IConfigureOptions<ConnectionStringConfig>, ConfigureUmbracoCommerceDeployConnectionString>();
 
             builder.Services.AddSingleton<UmbracoCommerceDeploySettingsAccessor>();
 

src/Umbraco.Commerce.Deploy/Configuration/ConfigureUmbracoCommerceConnectionString.cs

@@ -0,0 +1,43 @@
+using System;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Options;
+using Umbraco.Commerce.Cms.Data;
+using Umbraco.Commerce.Core.Data;
+using UmbConstants = Umbraco.Cms.Core.Constants;
+
+namespace Umbraco.Commerce.Deploy.Configuration;
+
+public class ConfigureUmbracoCommerceDeployConnectionString(IConfiguration configuration) : UmbracoConnectionStringConfigurator(configuration)
+{
+    public override void Configure(ConnectionStringConfig options)
+        => Configure(Options.DefaultName, options);
+
+    public override void Configure(string? name, ConnectionStringConfig options)
+    {
+        // Perform the default configuration
+        base.Configure(name, options);
+
+        // Only configure if we are using the default Umbraco connection string
+        if (options.Name != UmbConstants.System.UmbracoConnectionName)
+        {
+            return;
+        }
+
+        // If Umbraco is configured to use SQLIte, then configure Umbraco Commerce to use it's own SQLite database
+        if (options.ProviderName.Contains("SQLite", StringComparison.InvariantCultureIgnoreCase))
+        {
+            var dataDirectory = AppDomain.CurrentDomain.GetData("DataDirectory")?.ToString();
+            var ucDbConnectionString = $"Data Source={dataDirectory}/Umbraco.Commerce.sqlite.db;Mode=ReadWrite;Foreign Keys=True;Pooling=True;Cache=Private";
+            var ucDbProviderName = Persistence.Sqlite.Constants.ProviderName;
+
+            // Update configuration
+            configuration[$"ConnectionStrings:{name}"] = ucDbConnectionString;
+            configuration[$"ConnectionStrings:{name}{ConnectionStringConfig.ProviderNamePostfix}"] = ucDbProviderName;
+
+            // Update options
+            options.Name = name;
+            options.ConnectionString = ucDbConnectionString;
+            options.ProviderName = ucDbProviderName;
+        }
+    }
+}