public async Task <IActionResult> EditRole(EditRoleViewModel model)
{
var role = await Rolemanager.FindByIdAsync(model.Id);
if (role == null)
{
ViewBag.ErrorMessage = $"Role with Id = {model.Id} cannot be found";
return(View("NotFound"));
}
else
{
role.Name = model.RoleName;
// Update the Role using UpdateAsync
var result = await Rolemanager.UpdateAsync(role);
if (result.Succeeded)
{
return(RedirectToAction("GetAllRoles"));
}
foreach (var error in result.Errors)
{
ModelState.AddModelError("", error.Description);
}
return(View(model));
}
}
public async Task <IActionResult> EditRole(string id)
{
// Find the role by Role ID
var role = await Rolemanager.FindByIdAsync(id);
if (role == null)
{
ViewBag.ErrorMessage = $"Role with Id = {id} cannot be found";
return(View("NotFound"));
}
var model = new EditRoleViewModel
{
Id = role.Id,
RoleName = role.Name
};
// Retrieve all the Users
foreach (var user in Usermanager.Users)
{
// If the user is in this role, add the username to
// Users property of EditRoleViewModel. This model
// object is then passed to the view for display
if (await Usermanager.IsInRoleAsync(user, role.Name))
{
model.Users.Add(user.UserName);
}
}
return(View(model));
}
public async Task <IActionResult> EditUsersInRole(List <UserRoleViewModel> model, string roleId)
{
var role = await Rolemanager.FindByIdAsync(roleId);
if (role == null)
{
ViewBag.ErrorMessage = $"Role with Id = {roleId} cannot be found";
return(View("NotFound"));
}
for (int i = 0; i < model.Count; i++)
{
var user = await Usermanager.FindByIdAsync(model[i].UserId);
IdentityResult result = null;
if (model[i].IsSelected && !(await Usermanager.IsInRoleAsync(user, role.Name)))
{
result = await Usermanager.AddToRoleAsync(user, role.Name);
}
else if (!model[i].IsSelected && await Usermanager.IsInRoleAsync(user, role.Name))
{
result = await Usermanager.RemoveFromRoleAsync(user, role.Name);
}
else
{
continue;
}
if (result.Succeeded)
{
if (i < (model.Count - 1))
{
continue;
}
else
{
return(RedirectToAction("EditRole", new { Id = roleId }));
}
}
}
return(RedirectToAction("EditRole", new { Id = roleId }));
}
public async Task <IActionResult> DeleteRole(string id)
{
var role = await Rolemanager.FindByIdAsync(id);
if (role == null)
{
ViewBag.ErrorMessage = $"User with Id = {id} cannot be found";
return(View("NotFound"));
}
else
{
try
{
var result = await Rolemanager.DeleteAsync(role);
if (result.Succeeded)
{
return(RedirectToAction("GetAllRoles"));
}
foreach (var error in result.Errors)
{
ModelState.AddModelError("", error.Description);
}
return(View("GetAllRoles"));
}
catch
{
//Log the exception to a file. We discussed logging to a file
// using Nlog in Part 63 of ASP.NET Core tutorial
// Pass the ErrorTitle and ErrorMessage that you want to show to
// the user using ViewBag. The Error view retrieves this data
// from the ViewBag and displays to the user.
ViewBag.ErrorTitle = $"{role.Name} role is in use";
ViewBag.ErrorMessage = $"{role.Name} role cannot be deleted as there are users in this role. If you want to delete this role, please remove the users from the role and then try to delete";
return(View("Error"));
}
}
}
public async Task <IActionResult> EditUsersInRole(string roleId)
{
ViewBag.roleId = roleId;
var role = await Rolemanager.FindByIdAsync(roleId);
if (role == null)
{
ViewBag.ErrorMessage = $"Role with Id = {roleId} cannot be found";
return(View("NotFound"));
}
var model = new List <UserRoleViewModel>();
foreach (var user in Usermanager.Users)
{
if (User.IsInRole("Super Admin") || User.IsInRole("Admin") && !(await Usermanager.IsInRoleAsync(user, "Admin") || await Usermanager.IsInRoleAsync(user, "Super Admin")))
{
var userRoleViewModel = new UserRoleViewModel
{
UserId = user.Id,
UserName = user.UserName
};
if (await Usermanager.IsInRoleAsync(user, role.Name))
{
userRoleViewModel.IsSelected = true;
}
else
{
userRoleViewModel.IsSelected = false;
}
model.Add(userRoleViewModel);
}
}
return(View(model));
}
