IsFirebird extensions method

Author: Eoin Motherway

Provider/src/FirebirdSql.EntityFrameworkCore.Firebird/Extensions/FbDatabaseFacadeExtensions.cs

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+using System.Reflection;
+using FirebirdSql.EntityFrameworkCore.Firebird.Infrastructure.Internal;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+
+namespace FirebirdSql.EntityFrameworkCore.Firebird.Extensions
+{
+	using System;
+
+	/// <summary>
+	///		FirebirdSQL specific extension methods for <see cref="DatabaseFacade"/>.
+	/// </summary>
+	public static class FbDatabaseFacadeExtensions
+	{
+		/// <summary>
+		///		<para>
+		///			Returns true if the database provider currently in use is the FirebirdSQL provider.
+		///		</para>
+		///		<para>
+		///			This method can only be used after the <see cref="DbContext" /> has been configured because
+		///			it is only then that the provider is known. This means that this method cannot be used
+		///			in <see cref="DbContext.OnConfiguring" /> because this is where application code sets the
+		///			provider to use as part of configuring the context.
+		///		</para>
+		/// </summary>
+		/// <param name="database">
+		///		The facade from <see cref="DbContext.Database" />.
+		/// </param>
+		/// <returns>
+		///		True if FirebirdSQL is being used; false otherwise.
+		/// </returns>
+		public static bool IsFirebird(this DatabaseFacade database)
+			=> database.ProviderName.Equals(typeof(FbOptionsExtension).GetTypeInfo().Assembly.GetName().Name, StringComparison.Ordinal);
+	}
+}