public static async Task <IStatusGeneric <RoleToPermissions> > CreateRoleWithPermissionsAsync(
string roleName,
string description,
IEnumerable <Permission> permissionInRole,
IAuthorizationRepository repository)
{
if (roleName == null)
{
throw new ArgumentNullException(nameof(roleName));
}
if (repository == null)
{
throw new ArgumentNullException(nameof(repository));
}
var status = new StatusGenericHandler <RoleToPermissions>();
RoleToPermissions roleToPermissions = await repository.GetRoleToPermissionAsync(roleName);
if (roleToPermissions != null)
{
status.AddError("That role already exists");
return(status);
}
return(status.SetResult(new RoleToPermissions(roleName, description, permissionInRole)));
}
public async Task <IStatusGeneric> DeleteRoleAsync(
string roleName,
bool isRemoveFromUsers,
IAuthorizationRepository repository)
{
if (repository == null)
{
throw new ArgumentNullException(nameof(repository));
}
var status = new StatusGenericHandler {
Message = "Deleted role successfully."
};
RoleToPermissions roleToUpdate = await repository.GetRoleToPermissionAsync(roleName);
if (roleToUpdate == null)
{
return(status.AddError("That role doesn't exists"));
}
ICollection <UserToRole> usersWithRoles = await repository.GetUsersToRoleByNameAsync(roleName);
if (usersWithRoles.Any())
{
if (!isRemoveFromUsers)
{
return(status.AddError($"That role is used by {usersWithRoles.Count} and you didn't ask for them to be updated."));
}
await repository.DeleteAsync(usersWithRoles);
status.Message = $"Removed role from {usersWithRoles.Count} user and then deleted role successfully.";
}
await repository.DeleteAsync(roleToUpdate);
return(status);
}
public static async Task <IStatusGeneric <UserToRole> > AddRoleToUserAsync(
string userId,
string roleName,
IAuthorizationRepository repository)
{
if (userId == null)
{
throw new ArgumentNullException(nameof(userId));
}
if (roleName == null)
{
throw new ArgumentNullException(nameof(roleName));
}
if (repository == null)
{
throw new ArgumentNullException(nameof(repository));
}
var status = new StatusGenericHandler <UserToRole>();
UserToRole userToRole = await repository.GetUserToRoleAsync(userId, roleName);
if (userToRole != null)
{
status.AddError($"The user already has the Role '{roleName}'.");
return(status);
}
RoleToPermissions roleToAdd = await repository.GetRoleToPermissionAsync(roleName);
if (roleToAdd == null)
{
status.AddError($"Could not find the Role '{roleName}'.");
return(status);
}
return(status.SetResult(new UserToRole(userId, roleToAdd)));
}
} //needed by EF Core
public UserToRole(string userId, RoleToPermissions role)
{
UserId = userId;
Role = role;
}
