private void cmdUpdate_Click(object sender, System.EventArgs e)
{
//Validate password
if (txtNewPassword.Text.Length > 0) {
if (!(new Users(Globals.CurrentIdentity)).IsValid(Globals.CurrentUserName, txtOldPassword.Text)) {
PageError("Error: Old password is incorrect");
return;
}
if (txtNewPassword.Text != txtRepeat.Text){
PageError("Error: New passwords do not match (Make sure you type carefully!)");
return;
}
try {
(new Users(Globals.CurrentIdentity)).ChangePassword(Globals.CurrentUserName, txtNewPassword.Text);
} catch (DataAccessException er) {
PageError(er.Message); return;
}
}
User user = new User();
user.FirstName = txtFirst.Text; user.LastName = txtLast.Text;
user.Email = txtEmail.Text; user.UserName = Globals.CurrentUserName;
user.VerifyKey = "";
try {
(new Users(Globals.CurrentIdentity)).Update(user, null);
} catch (DataAccessException er) {
PageError(er.Message); return;
}
BindData();
PageError("Success!");
}
/// <summary>
/// Add a user to a section
/// switchuser indicates that the user should be dropped
/// from all other sections
/// Email owner of the group if actor != username
/// </summary>
public bool AddUser(int sectionID, string username, bool switchuser)
{
Section section = GetInfo(sectionID);
//Check permission
Authorize(section.CourseID, Permission.SECTION, "update", sectionID, null);
//Check to see if the user is in this group already
string actor = Identity.Name;
User.UserList users = GetMembers(sectionID);
User user = new User(); user.UserName = username;
if (users.Contains(user))
throw new DataAccessException("User already exists in the section");
//Send email to the owner if the owner did not make the change
if (actor != section.Owner)
new EmailWizard(m_ident).SendByUsername(section.Owner, "FrontDesk Section Notification",
String.Format(Globals.GetMessage("SectionAdd"), actor, username, System.DateTime.Now));
//TODO: Enforce policy of section membership
//Create the membership
m_dp.CreateSectionMember(sectionID, username, switchuser);
return true;
}
/// <summary>
/// Group users into binsize groups
/// </summary>
public bool Group(User.UserList users, ArrayList groups, int binsize)
{
groups.Clear();
groups.AddRange(Setup(users));
while (Divide(groups, binsize) || Combine(groups, binsize));
if (groups.Count == 1)
return false;
return true;
}
protected string GetAsstPoints(User user, int asstID)
{
Components.Submission latsub =
new Principals(Globals.CurrentIdentity).GetLatestGradedSubmission(user.PrincipalID, asstID);
double total = new Assignments(Globals.CurrentIdentity).GetRubric(asstID).Points;
if (latsub != null) {
double userp = new Users(Globals.CurrentIdentity).GetAsstPoints(user.UserName, asstID);
return String.Format("{0} / {1} ({2}%)", userp, total, Math.Round((userp/total)*100.0, 2));
} else
return String.Format("?? / {0}", total);
}
/// <summary>
/// Regroup
/// </summary>
public void Regroup(string ubound, string lbound, User.UserList users)
{
int i;
UserGroup group = new UserGroup();
group.UpperBound = ubound; group.LowerBound = lbound;
for (i = 0; i < users.Count; i++) {
User user = users[i] as User;
if (!group.InGroup(user.LastName)) {
users.Remove(user);
i--;
}
}
}
private void cmdUpdate_Click(object sender, System.EventArgs e)
{
User user = new User();
user.UserName = GetUsername(); user.FirstName = txtFirst.Text;
user.LastName = txtLast.Text; user.Email = txtEmail.Text;
string role = ddlRoles.SelectedItem.Text;
try {
new Users(Globals.CurrentIdentity).Update(user, null);
new Courses(Globals.CurrentIdentity).UpdateRole(user.UserName, GetCourseID(), role, null);
} catch (CustomException er) {
PageError(er.Message);
}
BindData();
if (Refresh != null)
Refresh(this, new RefreshEventArgs());
}
/// <summary>
/// Add users to the course from an XML stream
/// </summary>
public void BatchAddUsers(Stream xmlStream, int courseID, bool sync)
{
//TODO: Error checking
User mem = new User();
Users usersDB = new Users(m_ident);
DataSet xmldata = new DataSet();
xmldata.ReadXml(xmlStream);
DataRowCollection users = xmldata.Tables["User"].Rows;
IProviderTransaction tran = m_dp.BeginTransaction();
foreach (DataRow row in users) {
mem.UserName = (string) row["UserName"];
string role = (string) row["Role"];
//Make sure the user is in the system
if (null == usersDB.GetInfo(mem.UserName, tran)) {
m_dp.RollbackTransaction(tran);
throw new DataAccessException("User: "******" is not in the FrontDesk database");
}
User.UserList cmems = GetMembers(courseID, tran);
//The user already exists in the course
if (cmems.Contains(mem)) {
if (sync)
UpdateRole(mem.UserName, courseID, role, tran);
else {
m_dp.RollbackTransaction(tran);
throw new DataAccessException("User: "******" already exists in the course. " +
"Do a merge if you want to change the roles");
}
}
else
m_dp.CreateCourseMember(mem.UserName, courseID, role, tran);
}
m_dp.CommitTransaction(tran);
}
private TreeNode AddUserNode(TreeNodeCollection par, User user, int asstID, bool expand)
{
return AddNode(par, user.FullName + " (" + user.UserName + ")",
"attributes/user.gif", "attributes/user.gif",
"User " + user.UserName + " " + asstID, expand);
}
private void SendVerifyEmail(User user)
{
string body = String.Format("To activate your FrontDesk account, please attempt to login and enter this verification key when prompted: {0} ",
user.VerifyKey);
new EmailWizard(m_ident).SendByEmail(user.Email, "FrontDesk Account Activation", body);
}
/// <summary>
/// Get a PrincipalList with the user and all their groups
/// </summary>
public Principal.PrincipalList GetPrincipals(string username, int asstID)
{
Principal.PrincipalList plist = new Principal.PrincipalList();
User user = new User();
//Add the user principal
m_dp.GetUserInfo(username, user, null);
plist.Add(user);
//Add the groups
Group.GroupList glist = m_dp.GetUserGroups(username, asstID);
plist.AddRange(glist);
return plist;
}
private DataTable TabulateUsers(User.UserList users)
{
DataTable resulttab = new DataTable();
int asstID = GetAsstID();
Rubrics rubda = new Rubrics(Globals.CurrentIdentity);
Principals prinda = new Principals(Globals.CurrentIdentity);
Rubric asstrub = new Assignments(Globals.CurrentIdentity).GetRubric(asstID);
//Add rubric columns to data grid
Rubric.RubricList flatrub = rubda.Flatten(asstrub);
resulttab.Columns.Add("UserName");
resulttab.Columns.Add("Status");
resulttab.Columns.Add("Total");
foreach (Rubric rub in flatrub) {
AddRubricColumn(rub.Name, rub.Name);
resulttab.Columns.Add(rub.Name);
}
//Add user data to the datatable
foreach (User user in users) {
Components.Submission sub = prinda.GetLatestSubmission(user.PrincipalID, asstID);
DataRow row = resulttab.NewRow();
if (sub == null) continue;
row["UserName"] = user.UserName;
row["Status"] = sub.Status;
row["Total"] = rubda.GetPoints(asstrub.ID, sub.ID).ToString() + "/" + asstrub.Points.ToString();
foreach (Rubric rub in flatrub)
row[rub.Name] = GetRubricPoints(rub, sub.ID) + "/" + rub.Points.ToString();
resulttab.Rows.Add(row);
}
return resulttab;
}
private void BindUserItem(User user, Label lblName, Label numSubmissions, LinkButton lnkProgress,
System.Web.UI.WebControls.Image imgStatus,
System.Web.UI.WebControls.Image imgType, CheckBox chkSelect)
{
imgType.ImageUrl = "../../attributes/user.gif";
lblName.Text = user.FullName + "(" + user.UserName + ")";
if (lnkProgress == null) lnkProgress = new LinkButton();
Principals prinda = new Principals(Globals.CurrentIdentity);
Components.Submission sub = prinda.GetLatestSubmission(user.PrincipalID, GetAsstID());
int numsubs = prinda.GetSubmissions(user.PrincipalID, GetAsstID()).Count;
numSubmissions.Text = numsubs.ToString();
if (sub == null) {
imgStatus.ImageUrl = "../../attributes/nosub.gif";
lnkProgress.Text = "N/A";
chkSelect.Enabled = false;
}
else {
switch (sub.Status) {
case Components.Submission.GRADED:
imgStatus.ImageUrl = "../../attributes/subgrade.gif";
lnkProgress.Text = "100%";
break;
case Components.Submission.INPROGRESS:
imgStatus.ImageUrl = "../../attributes/clock.gif";
lnkProgress.Text = "??%";
break;
case Components.Submission.UNGRADED:
imgStatus.ImageUrl = "../../attributes/sub.gif";
lnkProgress.Text = "0%";
break;
}
}
}
private void BindGroups(User.UserList users)
{
//Load the groups into viewstate
ArrayList groups = new ArrayList();
new UserGrouper().Group(users, groups, 9);
string vsrecord="";
foreach (UserGrouper.UserGroup group in groups)
vsrecord += group.LowerBound + " " + group.UpperBound + "\n";
ViewState["Groups"] = vsrecord;
dgUserSearch.VirtualItemCount = 9*groups.Count;
// dgUserSearch.CurrentPageIndex = 0;
}
public void BindSearchData(User.UserList users)
{
int courseID = new Assignments(Globals.CurrentIdentity).GetInfo(GetAsstID()).CourseID;
//Load the groups into viewstate
if (users.Count > 0) {
string[] bounds = GetGroups().Split(
"\n".ToCharArray())[dgUserSearch.CurrentPageIndex].Split(" ".ToCharArray());
new UserGrouper().Regroup(bounds[1], bounds[0], users);
}
dgUserSearch.DataSource = users;
dgUserSearch.DataBind();
}
/// <summary>
/// Create a new user
/// </summary>
public bool Create(string username, string password,
string first, string last, string email,
IProviderTransaction tran)
{
if (GetInfo(username, null) != null)
throw new DataAccessException("User already exists");
if (password.Length < Globals.MinPasswordLength)
throw new
DataAccessException("Password must be at least " + Globals.MinPasswordLength +
" characters long!");
User user = new User();
user.UserName = username;
user.FirstName = first;
user.LastName = last;
user.Email = email;
user.VerifyKey = Globals.GeneratePassword(8);
bool result = m_dp.CreateUser(user, password, tran);
if (result)
SendVerifyEmail(user);
return result;
}
private void dgAllUsers_UpdateCommand(object source, DataGridCommandEventArgs e)
{
User user = new User();
user.UserName = (string)dgAllUsers.DataKeys[e.Item.ItemIndex];
user.Email = ((TextBox)(e.Item.Cells[2].Controls[1])).Text;
user.FirstName = ((TextBox)(e.Item.Cells[3].Controls[1])).Text;
user.LastName = ((TextBox)(e.Item.Cells[4].Controls[1])).Text;
(new Users(Globals.CurrentIdentity)).Update(user, null);
dgAllUsers.EditItemIndex = -1;
BindData();
}
/// <summary>
/// Returns extended user information
/// If the user is unknown, error handling takes place
/// </summary>
public User GetInfo(string username, IProviderTransaction tran)
{
User user = new User();
if (!m_dp.GetUserInfo(username, user, tran)) {
//TODO: Do error handling stuff
return null;
}
return user;
}
private ArrayList Setup(User.UserList users)
{
ArrayList groups = new ArrayList();
int i;
for (i = 0; i < alphabet.Length; i++) {
string bound = alphabet[i];
UserGroup group = new UserGroup();
group.UpperBound = alphabet[i];
if (i == alphabet.Length - 1)
group.LowerBound = bound;
else
group.LowerBound = alphabet[i+1];
foreach (User user in users)
if (group.InGroup(user.LastName))
group.Users.Add(user);
groups.Add(group);
}
return groups;
}
/// <summary>
/// Update user information
/// </summary>
public bool Update(User user, IProviderTransaction tran)
{
return m_dp.UpdateUser(user, tran);
}
/// <summary>
/// Group users into binsize groups
/// </summary>
public bool Group(User.UserList users, ArrayList groups)
{
return Group(users, groups, BINSIZE);
}
/// <summary>
/// Create a set of users specified by XML data
/// </summary>
public void BatchCreate(Stream xmlStream, bool sync)
{
User user = new User();
Users userDB = new Users(Globals.CurrentIdentity);
DataSet xmldata = new DataSet();
xmldata.ReadXml(xmlStream);
DataRowCollection users = xmldata.Tables["User"].Rows;
IProviderTransaction tran = m_dp.BeginTransaction();
foreach (DataRow row in users) {
user.UserName = (string) row["UserName"];
user.FirstName = (string) row["FirstName"];
user.LastName = (string) row["LastName"];
user.Email = (string) row["Email"];
//If the user is already in the system
if (null != userDB.GetInfo(user.UserName, tran)) {
if (sync)
m_dp.UpdateUser(user, tran);
else {
m_dp.RollbackTransaction(tran);
throw new DataAccessException("User: "******" is already in the FrontDesk database. Use a merge to add additional users.");
}
}
else {
string passwd = Globals.GeneratePassword(Globals.MinPasswordLength);
m_dp.CreateUser(user, passwd, tran);
new EmailWizard(m_ident).SendByUsername(user.UserName, "FrontDesk: User Account Created",
String.Format(Globals.GetMessage("CreateUser"), user.UserName, passwd,
user.Email));
}
}
m_dp.CommitTransaction(tran);
}
private TreeNode AddSubjUserNode(TreeNodeCollection par, User user, int asstID, Components.Submission sub,
bool expand)
{
string imageurl;
string desc;
switch (sub.Status) {
case Components.Submission.GRADED:
imageurl = "attributes/subgrade.gif"; break;
case Components.Submission.DEFUNCT:
imageurl = "attributes/skull.gif"; break;
default:
imageurl = "attributes/sub.gif"; break;
};
CFile sdir = new FileSystem(Globals.CurrentIdentity).GetFile(sub.LocationID);
if (sdir == null)
desc = "*Error*";
else
desc = sdir.Alias;
if (expand) desc = "(" + user.UserName + ") " + desc; //Make top level more clear
return AddNode(par, desc, imageurl, imageurl,
"SubjUser " + user.UserName + " " + asstID.ToString() + " " + sub.ID, expand);
}
