/// <summary>
/// adds a new group to the database
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
/// <exception cref="ArgumentNullException">If the given string is null.</exception>
/// <exception cref="CouldNotFindException">If the user for the given username could not be found.</exception>
/// <exception cref="EntryAlreadyExistsException">If the group already exists in the database.</exception>
/// <exception cref="SQLException">An unknown SQL happened.</exception>
public void addGroup_Click(Object sender, EventArgs e)
{
SqlController controller = new SqlController();
UserDAO owner = Session["userDAO"] as UserDAO;
GroupDAO group = new GroupDAO(owner);
group.Name = Request["groupNameBox"];
group.GroupTag = Request["groupTagBox"];
group.Description = Request["groupDescriptionBox"];
if (string.IsNullOrWhiteSpace(group.Name) || group.Name.Length >= GroupDAO.NameMaxLength)
{
ShowError(string.Format("Invalid group name. Please enter a name under {0} characters.", GroupDAO.NameMaxLength));
groupNameBox.Focus();
}
else if (string.IsNullOrWhiteSpace(group.GroupTag) || group.GroupTag.Length > GroupDAO.GroupTagMaxLength || group.GroupTag.Length < 4)
{
ShowError(string.Format("Invalid group tag. Please enter a tag between {0} and {1} characters.", 4, GroupDAO.GroupTagMaxLength));
groupTagBox.Focus();
}
else if (string.IsNullOrWhiteSpace(group.Description) || group.Description.Length >= GroupDAO.DescriptionMaxLength)
{
ShowError(string.Format("Invalid group description. Please enter a name under {0} characters.", GroupDAO.DescriptionMaxLength));
groupDescriptionBox.Focus();
}
else
{
try
{
if (controller.CreateGroup(group))
{
// Redirect to the manage page
Response.Redirect(string.Format("ManageGroup.aspx?grouptag={0}", HttpUtility.UrlEncode(group.GroupTag)));
}
else
{
ShowError("Your group was not created successfully. Please try again!");
}
}
catch (ArgumentNullException)
{
ShowError("An unknown error has happened. Please try again later.");
}
catch (EntryAlreadyExistsException)
{
ShowError("This group already exists!");
}
catch (SqlException error)
{
ShowError("An unknown error has happened. Please try again later.");
Logger.LogMessage("AddGroup.aspx: " + error.Message, LoggerLevel.SEVERE);
}
}
}
