Updated to C# 12

AMWD.Common.EntityFrameworkCore/Extensions/DatabaseFacadeExtensions.cs

@@ -15,7 +15,11 @@ namespace Microsoft.EntityFrameworkCore
 	/// <summary>
 	/// Extensions for the <see cref="DatabaseFacade"/>.
 	/// </summary>
+#if NET8_0_OR_GREATER
+	public static partial class DatabaseFacadeExtensions
+#else
 	public static class DatabaseFacadeExtensions
+#endif
 	{
 		/// <summary>
 		/// Applies migration files to the database.
@@ -23,7 +27,7 @@ namespace Microsoft.EntityFrameworkCore
 		/// <param name="database">The database connection.</param>
 		/// <param name="optionsAction">An action to set additional options.</param>
 		/// <param name="cancellationToken">The cancellation token.</param>
-		/// <returns>true on success, otherwise false or an exception is thrown.</returns>
+		/// <returns><see langword="true"/> on success, otherwise false or an exception is thrown.</returns>
 		[System.Diagnostics.CodeAnalysis.SuppressMessage("Usage", "CA2208")]
 		public static async Task<bool> ApplyMigrationsAsync(this DatabaseFacade database, Action<DatabaseMigrationOptions> optionsAction, CancellationToken cancellationToken = default)
 		{
@@ -211,20 +215,20 @@ END;"
 				if (options.SourceAssembly == null)
 				{
 					availableMigrationFiles = Directory.GetFiles(options.Path)
-						.Where(f => f.ToLower().StartsWith(options.Path.ToLower()))
-						.Where(f => f.ToLower().EndsWith(".sql"))
+						.Where(f => f.StartsWith(options.Path, StringComparison.OrdinalIgnoreCase))
+						.Where(f => f.EndsWith(".sql", StringComparison.OrdinalIgnoreCase))
 						.ToList();
 				}
 				else
 				{
 					availableMigrationFiles = options.SourceAssembly
 						.GetManifestResourceNames()
-						.Where(f => f.ToLower().StartsWith(options.Path.ToLower()))
-						.Where(f => f.ToLower().EndsWith(".sql"))
+						.Where(f => f.StartsWith(options.Path, StringComparison.OrdinalIgnoreCase))
+						.Where(f => f.EndsWith(".sql", StringComparison.OrdinalIgnoreCase))
 						.ToList();
 				}
 
-				if (!availableMigrationFiles.Any())
+				if (availableMigrationFiles.Count == 0)
 					return true;
 
 				using var command = connection.CreateCommand();
@@ -270,7 +274,11 @@ END;"
 						{
 							using var stream = options.SourceAssembly.GetManifestResourceStream(migrationFile);
 							using var sr = new StreamReader(stream);
+#if NET8_0_OR_GREATER
+							sqlScript = await sr.ReadToEndAsync(cancellationToken).ConfigureAwait(false);
+#else
 							sqlScript = await sr.ReadToEndAsync().ConfigureAwait(false);
+#endif
 						}
 
 						if (string.IsNullOrWhiteSpace(sqlScript))
@@ -316,7 +324,11 @@ END;"
 			{
 				int affectedRows = 0;
 				// Split script by a single slash in a line
+#if NET8_0_OR_GREATER
+				string[] parts = FindSingleSlashInLine().Split(text);
+#else
 				string[] parts = Regex.Split(text, @"\r?\n[ \t]*/[ \t]*\r?\n");
+#endif
 				foreach (string part in parts)
 				{
 					// Make writable copy
@@ -325,7 +337,11 @@ END;"
 					// Remove the trailing semicolon from commands where they're not supported
 					// (Oracle doesn't like semicolons. To keep the semicolon, it must be directly
 					// preceeded by "end".)
-					pt = Regex.Replace(pt.TrimEnd(), @"(?<!end);$", "", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);
+#if NET8_0_OR_GREATER
+					pt = FindEndCommand().Replace(pt.TrimEnd(), "");
+#else
+					pt = Regex.Replace(pt, @"(?<!end);$", "", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);
+#endif
 
 					// Execute all non-empty parts as individual commands
 					if (!string.IsNullOrWhiteSpace(pt))
@@ -352,5 +368,13 @@ END;"
 			SQLServer = 5,
 			InMemory = 6,
 		}
+
+#if NET8_0_OR_GREATER
+		[GeneratedRegex(@"\r?\n[ \t]*/[ \t]*\r?\n")]
+		private static partial Regex FindSingleSlashInLine();
+
+		[GeneratedRegex(@"(?<!end);$", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant)]
+		private static partial Regex FindEndCommand();
+#endif
 	}
 }

AMWD.Common.EntityFrameworkCore/Extensions/DbContextOptionsBuilderExtensions.cs

@@ -33,11 +33,15 @@ namespace Microsoft.EntityFrameworkCore
 		/// <returns>The <see cref="DbContextOptionsBuilder"/> with applied settings.</returns>
 		public static DbContextOptionsBuilder UseDatabaseProvider(this DbContextOptionsBuilder optionsBuilder, IConfiguration configuration, Action<DatabaseProviderOptions> optionsAction = null)
 		{
+#if NET8_0_OR_GREATER
+			ArgumentNullException.ThrowIfNull(optionsBuilder);
+			ArgumentNullException.ThrowIfNull(configuration);
+#else
 			if (optionsBuilder == null)
 				throw new ArgumentNullException(nameof(optionsBuilder));
-
 			if (configuration == null)
 				throw new ArgumentNullException(nameof(configuration));
+#endif
 
 			var options = new DatabaseProviderOptions();
 			optionsAction?.Invoke(options);