public ActionResult AddUserToGroups(string SamAccountName, List <string> Groups)
{
ADDomain domain = new ADDomain();
// The current implementation of this feature will allow users to type in
// a few characters of a group name and if any matches are found then those
// matches are displayed to the user. There is a chance that the user may just
// type in the name of the group he/she wants to add and not use any of the
// returned results. For this reason, I am doing an extra check on the domain
// to make sure that whatever has been entered are valid groups. If a group
// name has been entered that is not valid (i.e. it doesn't exist) then that
// group will not be added to the following list. After generating this list,
// we are doing an extra check to see if it's empty (which can theoretically
// happen) and if so then we just re-direct the user back to the ViewUser page
// and send a long a message of the issue why no group(s) were added to the user.
List <string> validatedGroups = domain.ValidateGroups(Groups);
if (validatedGroups.Count == 0)
{
TempData["invalid_groups"] = @"Invalid Group Names. The group(s) you tried to add are not valid group name.
Please check the name of the group and try again.";
return(RedirectToAction("ViewUser", new { user = SamAccountName }));
}
// There is the posibility that a group that the user already belongs
// to is part of the groups list being passed to this method. I have to
// get a list of the current groups that this user belongs to and before
// adding any of the groups that have been passed to this method, I must
// make sure that it doesn't already exist. If it does, then the group
// trying to be added will just be discarded.
List <string> currentGroups = domain.GetCurrentUserGroups(SamAccountName);
// This will hold the list of groups that will be added to the
// user account.
List <string> newGroupsToAdd = new List <string>();
foreach (var group in validatedGroups)
{
if (!currentGroups.Contains(group))
{
newGroupsToAdd.Add(group);
}
}
// If we are adding a group (or list of groups) that the user already
// belongs to then none of these group should be added.
if (newGroupsToAdd.Count == 0)
{
TempData["no_groups_added"] = "No Groups have been added to this user as the user already is part of the groups submitted.";
return(RedirectToAction("ViewUser", new { user = SamAccountName }));
}
// At this time we have filtered out the groups so that only
// new groups are added to this user
domain.AddUserToGroups(SamAccountName, newGroupsToAdd);
// Now we have to log this action so that it shows up on the
// change history for this user
using (var db = new ADWebDB())
{
ADUser loggedInUser = domain.GetUserByID(User.Identity.Name);
// The following code generates the update details for this action
StringBuilder updateNotes = new StringBuilder();
updateNotes.Append("<p>The following groups have been added to this user:</p>");
updateNotes.Append("<ul class=\"update-details\">");
foreach (var group in newGroupsToAdd)
{
updateNotes.Append("<li>" + group + "</li>");
}
updateNotes.Append("</ul>");
UserUpdateHistory newGroupHistory = new UserUpdateHistory();
newGroupHistory.UpdatedBy = loggedInUser.GivenName + " " + loggedInUser.Surname;
newGroupHistory.DateUpdated = DateTime.Now;
newGroupHistory.UpdateType = UserUpdateType.AddedToGroup;
newGroupHistory.Notes = updateNotes.ToString();
newGroupHistory.Username = SamAccountName;
// Before adding this update history entry into the database
// we have to check for the possibility of the user having no
// entry in the DomainUsers table.
DomainUser user = db.DomainUsers.Find(SamAccountName);
if (user != null)
{
// The user has an existing entry in the DomainUser
// table
db.UserUpdateHistory.Add(newGroupHistory);
db.SaveChanges();
}
else
{
DomainUser newDomainUser = new DomainUser();
newDomainUser.DateCreated = DateTime.Now;
newDomainUser.CreatedBy = loggedInUser.GivenName + " " + loggedInUser.Surname;
newDomainUser.Username = SamAccountName;
db.DomainUsers.Add(newDomainUser);
db.SaveChanges();
// Entry that identifies this as a user who we just inserted
// an entry to the DomainUsers table for.
UserUpdateHistory newUserHistory = new UserUpdateHistory();
newUserHistory.UpdatedBy = "System Generated";
newUserHistory.Username = SamAccountName;
newUserHistory.UpdateType = UserUpdateType.CreatedDBEntry;
newUserHistory.DateUpdated = DateTime.Now;
newUserHistory.Notes = "<ul class=\"update-details\"><li>New User Added to table by the system.</li></ul>";
db.UserUpdateHistory.Add(newUserHistory);
db.UserUpdateHistory.Add(newGroupHistory);
db.SaveChanges();
}
TempData["groups_added_successfully"] = "Groups have been added successfully to this user!";
return(RedirectToAction("ViewUser", new { user = SamAccountName }));
}
}