public async Task <IActionResult> AddRole(AddRoleViewModel vm)
{
if (ModelState.IsValid)
{
BTRole newRole = new BTRole
{
Name = vm.Name,
Description = vm.Description
};
IdentityResult result = await roleMgr.CreateAsync(newRole);
if (result.Succeeded)
{
return(RedirectToAction("ListRoles", "Admin"));
}
// iterate over all errors and add them to ModelState
foreach (IdentityError error in result.Errors)
{
ModelState.AddModelError("", error.Description);
}
}
// If the role add failed repost to the View with existing data from the View Model
return(View(vm));
}
public async Task <IActionResult> EditRole(string id)
{
BTRole role = await roleMgr.FindByIdAsync(id);
// if role is null the supplied id was not found in the role table so add an error message and redirect to ListRoles
if (role == null)
{
ViewBag.ErrorMessage = $"Role with Id = {id} does not exists please try again";
return(RedirectToAction("ListRoles", "Admin"));
}
// build a new view model and populate data with information from the valid role
EditRoleViewModel vm = new EditRoleViewModel
{
Id = role.Id,
Name = role.Name,
Description = role.Description,
};
// Get a list of users that have the selected role by iterating over each user and checking if they have the role, add all matches to the View Model Users list
foreach (BTUser user in userMgr.Users.ToList())
{
if (await userMgr.IsInRoleAsync(user, role.Name))
{
vm.Users.Add(user.UserName);
}
}
return(View(vm));
}
public async Task <IActionResult> EditRole(EditRoleViewModel vm)
{
BTRole role = await roleMgr.FindByIdAsync(vm.Id.ToString());
if (role == null)
{
ViewBag.ErrorMessage = $"Role with Id = {vm.Id} does not exists please try again";
return(RedirectToAction("ListRoles", "Admin"));
}
else // If the role exists
{
// Set the name and description of the role object to the values entered in the form
role.Name = vm.Name;
role.Description = vm.Description;
// Use role manager to update the role with the new information
IdentityResult result = await roleMgr.UpdateAsync(role);
// If the role was updated succesfully redirect to the List of Roles otherwise add errors to the ModelState and repost the View
if (result.Succeeded)
{
return(RedirectToAction("ListRoles", "Admin"));
}
foreach (IdentityError error in result.Errors)
{
ModelState.AddModelError("", error.Description);
}
return(View(vm));
}
}
public async Task <IActionResult> Register(RegisterViewModel vm)
{
if (ModelState.IsValid)
{
// Create a new user object with data from the View Model
BTUser user = new BTUser
{
UserName = vm.Email,
Email = vm.Email
};
// Create a new user using the user manager service
IdentityResult result = await userMgr.CreateAsync(user, vm.Password);
// On a succesful registration add the user to the default user role and then log the user in
if (result.Succeeded)
{
user = await userMgr.FindByNameAsync(user.UserName);
BTRole role = await roleMgr.FindByNameAsync("User");
await userMgr.AddToRoleAsync(user, role.Name);
await signInMgr.SignInAsync(user, isPersistent : false);
return(RedirectToAction("index", "home"));
}
// On an unsuccesful registration add errors to ModelState for display in validation error summary on the view
foreach (IdentityError error in result.Errors)
{
ModelState.AddModelError("", error.Description);
}
}
return(View(vm));
}
