public DatabaseErrorPageMiddleware([NotNull] RequestDelegate next, [NotNull] DatabaseErrorPageOptions options, bool isDevMode)
{
Check.NotNull(next, "next");
Check.NotNull(options, "options");
if (isDevMode)
{
options.SetDefaultVisibility(isVisible: true);
}
_next = next;
_options = options;
}
public DatabaseErrorPageMiddleware([NotNull] RequestDelegate next, [NotNull] IServiceProvider serviceProvider, [NotNull] ILoggerFactory loggerFactory, [NotNull] DatabaseErrorPageOptions options)
{
Check.NotNull(next, nameof(next));
Check.NotNull(serviceProvider, nameof(serviceProvider));
Check.NotNull(loggerFactory, nameof(loggerFactory));
Check.NotNull(options, nameof(options));
_next = next;
_serviceProvider = serviceProvider;
_options = options;
_logger = loggerFactory.CreateLogger <DatabaseErrorPageMiddleware>();
_loggerProvider = new DataStoreErrorLoggerProvider();
loggerFactory.AddProvider(_loggerProvider);
}
public DatabaseErrorPageMiddleware([NotNull] RequestDelegate next, [NotNull] IServiceProvider serviceProvider, [NotNull] ILoggerFactory loggerFactory, [NotNull] DatabaseErrorPageOptions options)
{
Check.NotNull(next, nameof(next));
Check.NotNull(serviceProvider, nameof(serviceProvider));
Check.NotNull(loggerFactory, nameof(loggerFactory));
Check.NotNull(options, nameof(options));
_next = next;
_serviceProvider = serviceProvider;
_options = options;
_logger = loggerFactory.CreateLogger<DatabaseErrorPageMiddleware>();
_loggerProvider = new DataStoreErrorLoggerProvider();
loggerFactory.AddProvider(_loggerProvider);
}
/// <summary>
/// Captures synchronous and asynchronous database related exceptions from the pipeline that may be resolved using Entity Framework
/// migrations. When these exceptions occur an HTML response with details of possible actions to resolve the issue is generated.
/// </summary>
/// <param name="app">The <see cref="IApplicationBuilder"/> to register the middleware with.</param>
/// <param name="optionsAction">An action to set the options for the middleware. All options are disabled by default.</param>
/// <returns>The same <see cref="IApplicationBuilder"/> instance so that multiple calls can be chained.</returns>
public static IApplicationBuilder UseDatabaseErrorPage([NotNull] this IApplicationBuilder app, [NotNull] Action<DatabaseErrorPageOptions> optionsAction)
{
Check.NotNull(app, nameof(app));
Check.NotNull(optionsAction, nameof(optionsAction));
var options = new DatabaseErrorPageOptions();
optionsAction(options);
app = app.UseMiddleware<DatabaseErrorPageMiddleware>(options);
if(options.EnableMigrationCommands)
{
app.UseMigrationsEndPoint(o => o.Path = options.MigrationsEndPointPath);
}
return app;
}