public async Task <IActionResult> UpdateUserRoleAndEmail(string id)
{
if (string.IsNullOrEmpty(id))
{
return(RedirectToAction("Users"));
}
var user = await _userManager.FindByIdAsync(id);
if (user == null)
{
RedirectToAction("Users");
}
var model = new UserEditRoleAndEmailViewModel
{
Id = id,
UserName = user.UserName,
Email = user?.Email,
ApplicationRoleId = _roleManager.Roles
.SingleOrDefault(r => r.Name == _userManager.GetRolesAsync(user).Result.SingleOrDefault())?.Id,
ApplicationRoles = _roleManager.Roles.Select(r => new SelectListItem {
Text = r.Name, Value = r.Id
})
.ToList()
};
return(View(model));
}
public async Task <IActionResult> UpdateUserRoleAndEmail(UserEditRoleAndEmailViewModel model)
{
if (ModelState.IsValid)
{
AppUser user = await _userManager.FindByIdAsync(model.Id);
if (user != null)
{
if (!string.IsNullOrEmpty(model.Email))
{
user.Email = model.Email;
user.UserName = model.Email;
IdentityResult result = await _userManager.UpdateAsync(user);
if (result.Succeeded)
{
string existingRole = _userManager.GetRolesAsync(user).Result.SingleOrDefault();
string existingRoleId = _roleManager.Roles.SingleOrDefault(r => r.Name == existingRole)?.Id;
if (existingRoleId == null)
{
IdentityRole applicationRole = await _roleManager.FindByIdAsync(model.ApplicationRoleId);
if (applicationRole != null)
{
IdentityResult newRoleResult = await _userManager.AddToRoleAsync(user, applicationRole.Name);
if (newRoleResult.Succeeded)
{
return(RedirectToAction("Users"));
}
}
}
else
{
if (existingRoleId != model.ApplicationRoleId)
{
IdentityResult roleResult = await _userManager.RemoveFromRoleAsync(user, existingRole);
if (roleResult.Succeeded)
{
IdentityRole applicationRole = await _roleManager.FindByIdAsync(model.ApplicationRoleId);
if (applicationRole != null)
{
IdentityResult newRoleResult = await _userManager.AddToRoleAsync(user, applicationRole.Name);
if (newRoleResult.Succeeded)
{
return(RedirectToAction("Users"));
}
}
}
}
}
return(RedirectToAction("Users"));
}
foreach (var error in result.Errors)
{
ModelState.AddModelError(string.Empty, error.Description);
}
}
}
}
model.ApplicationRoles = _roleManager
.Roles
.Select(r => new SelectListItem {
Text = r.Name, Value = r.Id
})
.ToList();
return(View(model));
}
