async public Task <IActionResult> OnGetAddKnownRoleAsync(string name)
{
string roleId = String.Empty;
return(await SecureHandlerAsync(async() =>
{
var knownRole = typeof(KnownRoles)
.GetMethods()
.Where(m => m.ReturnType == typeof(ApplicationRole))
.Select(m => (ApplicationRole)m.Invoke(Activator.CreateInstance <KnownRoles>(), null))
.Where(r => r.Name == name)
.FirstOrDefault();
if (knownRole == null)
{
throw new StatusMessageException($"Unknown role { name }");
}
var existsingRole = await _roleDb.FindByNameAsync(knownRole.Name, CancellationToken.None);
if (existsingRole != null)
{
roleId = existsingRole.Id;
}
else
{
await _roleDb.CreateAsync(knownRole, CancellationToken.None);
roleId = knownRole.Id;
}
},
onFinally : () => RedirectToPage("EditRole/Index", new { id = roleId }),
successMessage : "",
onException : (ex) => RedirectToPage()));
}
public Task <ApplicationRole> FindByNameAsync(string normalizedRoleName, CancellationToken cancellationToken)
{
return(_roleDbContext.FindByNameAsync(normalizedRoleName, cancellationToken));
}