public async Task <ActionResult> Edit(string id)
{
if (string.IsNullOrEmpty(id))
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
//var user = UserManager.Users.FirstOrDefault(u => u.Id == id);
var user = await UserManager.FindByIdAsync(id);
if (user == null)
{
ViewBag.ErrorMessage = $"User with Id = {id} cannot be found";
return(View("NotFound"));
//return HttpNotFound();
}
var userRoles = await UserManager.GetRolesAsync(user.Id);
var userClaims = await UserManager.GetClaimsAsync(user.Id);
// All Roles List, with True False for Selected/Unselected Role list
var viewModel = new EditUserFormViewModel()
{
Id = user.Id,
Email = user.Email,
DrivingLicense = user.DrivingLicense,
Phone = user.Phone,
SelectedRolesList = RoleManager.Roles.ToList().Select(x => new SelectListItem()
{
Selected = userRoles.Contains(x.Name),
Text = x.Name,
Value = x.Name
}).ToList(),
SelectedClaimsList = ClaimsStore.AllClaims.Select(x => new SelectListItem()
{
Selected = userClaims.Any(uc => uc.Value == x.Value),
Text = x.Type,
Value = x.Value
}).ToList()
};
return(View("EditUserForm", viewModel));
}
public async Task <ActionResult> Edit(EditUserFormViewModel viewModel, string[] selectedRoles, string[] selectedClaims)
{
// selectedRole is the name of the checkbox list on the html form
// HERE WE ARE USING SAME FORM & VIEWMODEL FOR ADD & EDIT
// BUT BOTH SCENARIOS ARE DIFFERENT,
// ADD NEED PASSWORD & CONFIRM PASSWORD IN VIEW & VIEWMODEL & THEY ARE MANDATORY
// WITH THEM MODEL WILL BE NOT VALIDATED
// EDIT DO NOT NEED PASSWORD & CONFIRM PASSWORD IN VIEW & VIEWMODEL
// MODEL VALIDATION WILL STOP US FROM EDITING USER AND WILL ASK FOR PASSWORKD & CONFIRM PASSWORD
// SPLIT VIEWS & VIEWMODELS FOR ADD & EDIT
IdentityResult result = null;
//var user = UserManager.Users.FirstOrDefault(u => u.Id == viewModel.Id);
ApplicationUser user = await UserManager.FindByIdAsync(viewModel.Id);
IList <string> userRoles = await UserManager.GetRolesAsync(viewModel.Id);
IList <Claim> userClaims = await UserManager.GetClaimsAsync(viewModel.Id);
// If SelectedRoles is null, then add Empty String
selectedRoles = selectedRoles ?? new string[] { };
selectedClaims = selectedClaims ?? new string[] { };
IEnumerable <SelectListItem> SelectedRolesList = RoleManager.Roles.ToList().Select(x => new SelectListItem()
{
Selected = userRoles.Contains(x.Name),
Text = x.Name,
Value = x.Name
});
IEnumerable <SelectListItem> SelectedClaimsList = ClaimsStore.AllClaims.Select(x => new SelectListItem()
{
Selected = userClaims.Any(uc => uc.Value == x.Value),
Text = x.Type,
Value = x.Value
});
// User is to be Edited
if (!ModelState.IsValid)
{
// Add Error
ModelState.AddModelError("", "Something failed.");
return(View("EditUserForm", new EditUserFormViewModel()
{
Id = user.Id,
Email = user.Email,
DrivingLicense = user.DrivingLicense,
Phone = user.Phone,
SelectedRolesList = SelectedRolesList,
SelectedClaimsList = SelectedClaimsList
}));
}
if (user == null)
{
ViewBag.ErrorMessage = $"User with Id = {viewModel.Email} cannot be found";
return(View("NotFound"));
//return HttpNotFound();
}
user.UserName = viewModel.Email;
user.Email = viewModel.Email;
user.DrivingLicense = viewModel.DrivingLicense;
user.Phone = viewModel.Phone;
result = await UserManager.UpdateAsync(user);
// Error Occurs While Updating User, no need to add Roles & Claims
if (!result.Succeeded)
{
ViewBag.Message = "Error occurred while updating Record(s)";
foreach (var error in result.Errors)
{
ModelState.AddModelError("", error);
}
// show view
return(View("EditUserForm", new EditUserFormViewModel()
{
Id = user.Id,
Email = user.Email,
DrivingLicense = user.DrivingLicense,
Phone = user.Phone,
SelectedRolesList = SelectedRolesList,
SelectedClaimsList = SelectedClaimsList
}));
}
// Only add newly added roles, do not add already added roles.
result = await UserManager.AddToRolesAsync(user.Id, selectedRoles.Except(userRoles).ToArray <string>());
// Error occurs while adding roles array, but user edited
if (!result.Succeeded)
{
// Add error
ViewBag.Message = "Error occurred while adding Record(s)";
foreach (var error in result.Errors)
{
ModelState.AddModelError("", error);
}
// Show view
return(View("EditUserForm", new EditUserFormViewModel()
{
Id = user.Id,
Email = user.Email,
DrivingLicense = user.DrivingLicense,
Phone = user.Phone,
SelectedRolesList = SelectedRolesList,
SelectedClaimsList = SelectedClaimsList
}));
}
// Remove all roles other than selected roles.
result = await UserManager.RemoveFromRolesAsync(user.Id, userRoles.Except(selectedRoles).ToArray <string>());
// Error occurs while removing roles, but user edited, role added, not removed
if (!result.Succeeded)
{
ViewBag.Message = "Error occurred while updating Record(s)";
foreach (var error in result.Errors)
{
ModelState.AddModelError("", error);
}
return(View("EditUserForm", new EditUserFormViewModel()
{
Id = user.Id,
Email = user.Email,
DrivingLicense = user.DrivingLicense,
Phone = user.Phone,
SelectedRolesList = SelectedRolesList,
SelectedClaimsList = SelectedClaimsList
}));
}
// Removing Claim Array
foreach (var claim in userClaims)
{
result = await UserManager.RemoveClaimAsync(user.Id, claim);
}
if (!result.Succeeded)
{
ViewBag.Message = "Error occurred while updating Record(s)";
foreach (var error in result.Errors)
{
ModelState.AddModelError("", error);
}
return(View("EditUserForm", new EditUserFormViewModel()
{
Id = user.Id,
Email = user.Email,
DrivingLicense = user.DrivingLicense,
Phone = user.Phone,
SelectedRolesList = SelectedRolesList,
SelectedClaimsList = SelectedClaimsList
}));
}
//IList<Claim> selectedClaimsOnForm = new List<Claim>();
List <Claim> selectedClaimsOnForm = ClaimsStore.AllClaims.Where(c => selectedClaims.Contains(c.Value)).ToList();
// Adding Claim Array
foreach (var claim in selectedClaimsOnForm)
{
result = await UserManager.AddClaimAsync(user.Id, claim);
}
if (!result.Succeeded)
{
ViewBag.Message = "Error occurred while updating Record(s)";
foreach (var error in result.Errors)
{
ModelState.AddModelError("", error);
}
return(View("EditUserForm", new EditUserFormViewModel()
{
Id = user.Id,
Email = user.Email,
DrivingLicense = user.DrivingLicense,
Phone = user.Phone,
SelectedRolesList = SelectedRolesList,
SelectedClaimsList = SelectedClaimsList
}));
}
// User Added, Role Added, Role Removed Successfully. Show List Role
ViewBag.Message = "Record(s) updated successfully.";
return(List());
}
