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MyOffice.DbContext/DbContextServiceCollectionExtensions.cs

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+namespace MyOffice.DbContext;
+
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+
+public static class DbContextServiceCollectionExtensions
+{
+	public static IServiceCollection AddAppDbContext(
+		this IServiceCollection services,
+		ConnectionConfiguration connection
+	)
+	{
+		services.AddSingleton(connection);
+
+		services.AddDbContext<AppDbContext>((_, options) =>
+		{
+			ConfigureDbContextOptions(options, connection);
+		});
+
+		return services;
+	}
+
+	public static void ConfigureDbContextOptions(
+		DbContextOptionsBuilder options,
+		ConnectionConfiguration connection
+	)
+	{
+		if (!Enum.TryParse<AppDbContextProvidersEnum>(connection.Provider, ignoreCase: true, out var provider))
+			throw new InvalidOperationException($"No such provider: [{connection.Provider}]");
+
+		switch (provider)
+		{
+			case AppDbContextProvidersEnum.npgsql:
+				options.UseNpgsql(connection.ConnectionString, x =>
+					x.MigrationsAssembly("MyOffice.Migrations.Postgres"));
+				break;
+			case AppDbContextProvidersEnum.sqlite:
+				options.UseSqlite(connection.ConnectionString, x =>
+					x.MigrationsAssembly("MyOffice.Migrations.Sqlite"));
+				break;
+			default:
+				throw new NotSupportedException($"No such provider: [{connection.Provider}]");
+		}
+
+#if DEBUG
+		options.EnableSensitiveDataLogging();
+		options.EnableDetailedErrors();
+#endif
+	}
+}