Extract shared configuration helpers into Infrastructure.Configuration library (#248)

web/backend/Database/Database.Connection/ConfigurationHelpers.cs

@@ -1,10 +0,0 @@
-using Microsoft.Extensions.Configuration;
-
-namespace Database.Connection;
-
-public static class ConfigurationHelpers
-{
-    public static string GetKeyOrThrow(IConfiguration configuration, string key) =>
-        configuration[key]
-        ?? throw new InvalidOperationException($"The {key} environment variable is not set.");
-}

web/backend/Database/Database.Connection/Database.Connection.csproj

@@ -11,11 +11,14 @@
         <PackageReference Include="Microsoft.SqlServer.Types" Version="160.1000.6" />
         <PackageReference
             Include="Microsoft.Extensions.Configuration.Abstractions"
-            Version="9.0.0"
+            Version="10.0.1"
         />
         <PackageReference
             Include="Microsoft.Extensions.DependencyInjection.Abstractions"
             Version="10.0.0"
         />
     </ItemGroup>
+    <ItemGroup>
+        <ProjectReference Include="..\..\Infrastructure\Infrastructure.Configuration\Infrastructure.Configuration.csproj" />
+    </ItemGroup>
 </Project>

web/backend/Database/Database.Connection/DefaultSqlConnectionFactory.cs

@@ -1,4 +1,4 @@
-using System.Data.Common;
+using Infrastructure.Configuration;
 using Microsoft.Data.SqlClient;
 using Microsoft.Extensions.Configuration;
 
@@ -19,7 +19,7 @@ public class DefaultSqlConnectionFactory(IConfiguration configuration) : ISqlCon
     {
         get
         {
-            string? fullConnectionString = configuration["DB_CONNECTION_STRING"];
+            string? fullConnectionString = configuration[ConfigurationKeys.DbConnectionString];
             if (!string.IsNullOrEmpty(fullConnectionString))
                 return fullConnectionString;
 

web/backend/Database/Database.Connection/SqlConnectionStringHelper.cs

@@ -1,3 +1,4 @@
+using Infrastructure.Configuration;
 using Microsoft.Data.SqlClient;
 using Microsoft.Extensions.Configuration;
 
@@ -14,9 +15,15 @@ public static class SqlConnectionStringHelper
     ) =>
         new()
         {
-            DataSource = ConfigurationHelpers.GetKeyOrThrow(configuration, "DB_SERVER"),
-            UserID = ConfigurationHelpers.GetKeyOrThrow(configuration, "DB_USER"),
-            Password = ConfigurationHelpers.GetKeyOrThrow(configuration, "DB_PASSWORD"),
+            DataSource = ConfigurationHelpers.GetKeyOrThrow(
+                configuration,
+                ConfigurationKeys.DbServer
+            ),
+            UserID = ConfigurationHelpers.GetKeyOrThrow(configuration, ConfigurationKeys.DbUser),
+            Password = ConfigurationHelpers.GetKeyOrThrow(
+                configuration,
+                ConfigurationKeys.DbPassword
+            ),
             TrustServerCertificate = ResolveTrustServerCertificate(configuration),
             Encrypt = true,
         };
@@ -38,7 +45,10 @@ public static class SqlConnectionStringHelper
         try
         {
             SqlConnectionStringBuilder builder = MakeConfiguredConnectionBuilder(configuration);
-            builder.InitialCatalog = ConfigurationHelpers.GetKeyOrThrow(configuration, "DB_NAME");
+            builder.InitialCatalog = ConfigurationHelpers.GetKeyOrThrow(
+                configuration,
+                ConfigurationKeys.DbName
+            );
             connectionString = builder.ConnectionString;
             return true;
         }
@@ -95,7 +105,7 @@ public static class SqlConnectionStringHelper
     private static bool ResolveTrustServerCertificate(IConfiguration configuration)
     {
         return !bool.TryParse(
-                configuration["DB_TRUST_SERVER_CERTIFICATE"],
+                configuration[ConfigurationKeys.DbTrustServerCertificate],
                 out bool trustServerCertificate
             ) || trustServerCertificate;
     }

web/backend/Database/Database.Migrations/Database.Migrations.csproj

@@ -19,6 +19,7 @@
     </ItemGroup>
     <ItemGroup>
         <ProjectReference Include="..\..\Database\Database.Connection\Database.Connection.csproj" />
+        <ProjectReference Include="..\..\Infrastructure\Infrastructure.Configuration\Infrastructure.Configuration.csproj" />
     </ItemGroup>
     <ItemGroup>
         <EmbeddedResource Include="scripts/**/*.sql" />

web/backend/Database/Database.Migrations/Program.cs

@@ -1,4 +1,5 @@
 using Database.Connection;
+using Infrastructure.Configuration;
 using Microsoft.Data.SqlClient;
 using Microsoft.Extensions.Configuration;
 
@@ -21,7 +22,7 @@ internal static class Program
                 .Build();
 
             bool clearDatabase = string.Equals(
-                configuration["CLEAR_DATABASE"],
+                configuration[ConfigurationKeys.ClearDatabase],
                 "true",
                 StringComparison.OrdinalIgnoreCase
             );