public static void UseBreadcrumbs(this IServiceCollection services, Assembly assembly, Action <BreadcrumbOptions> optionsSetter)
{
var options = new BreadcrumbOptions();
optionsSetter.Invoke(options);
UseBreadcrumbs(services, assembly, options);
}
public void Initialize(Assembly assembly, BreadcrumbOptions options)
{
Options = options;
var controllerType = typeof(Controller);
var actionResultType = typeof(IActionResult);
var taResultType = typeof(Task <IActionResult>);
// Extract all the Breadcrumb attributes
var breadcrumbAttrs = new List <BreadcrumbAttribute>();
foreach (var type in assembly.GetTypes())
{
if (!controllerType.IsAssignableFrom(type))
{
continue;
}
string controller = type.Name.Replace("Controller", "");
foreach (var method in type.GetMethods(BindingFlags.Instance | BindingFlags.Public))
{
if (!actionResultType.IsAssignableFrom(method.ReturnType) && !taResultType.IsAssignableFrom(method.ReturnType))
{
continue;
}
var attr = method.GetCustomAttribute <BreadcrumbAttribute>();
if (attr == null)
{
continue;
}
if (attr.FromAction != null && !attr.FromAction.Contains("."))
{
if (!string.IsNullOrEmpty(attr.FromController))
{
attr.FromAction = $"{attr.FromController.Replace("Controller", "")}.{attr.FromAction}";
}
else
{
attr.FromAction = $"{controller}.{attr.FromAction}";
}
}
attr.Action = $"{controller}.{method.Name}";
breadcrumbAttrs.Add(attr);
}
}
GenerateHierarchy(breadcrumbAttrs);
}
public BreadcrumbManager(BreadcrumbOptions options)
{
_nodes = new Dictionary <string, BreadcrumbNode>();
Options = options;
}
private static void UseBreadcrumbs(IServiceCollection services, Assembly assembly, BreadcrumbOptions options)
{
var bm = new BreadcrumbsManager();
bm.Initialize(assembly, options);
services.AddSingleton(bm);
services.TryAddScoped <IActionContextAccessor, ActionContextAccessor>();
}
