private void Page_Load(object sender, System.EventArgs e)
{
if (!IsPostBack)
{
try {
string strModuleID = Request.Params["moduleID"];
if (strModuleID != null)
{
int moduleID = int.Parse(Request.Params["moduleID"]);
Modules.ModuleInfo modInfo = Modules.getModuleInfo(moduleID);
ModInfo = modInfo;
isSubmitter = ModulesControl.isModuleSubmitter(User.Identity.Name, modInfo.Id);
isAuthor = ModulesControl.isModuleAuthor(User.Identity.Name, modInfo.Id);
bool isEditor = User.IsInRole(UserRole.Editor.ToString());
// If the user is not an editor...
if (!isEditor)
{
if (modInfo.Status == ModuleStatus.PreviousVersion)
{
// If the module being viewed is a previous version, display the newest
// version of the module, and tell the user.
Modules.ModuleInfo curVer = Modules.getModuleCurrentVersion(modInfo.BaseId);
string newUrl = "viewModule.aspx?moduleID=" + curVer.Id;
lblMessage.Text = "There is a <a href=\"" + newUrl + "\">newer version</a> of the module you are trying to access. "
+ "You will be directed to it momentarily.";
Response.AppendHeader("Refresh", REFRESH_DELAY + "; URL=" + newUrl);
disableModule();
return;
}
else if (modInfo.Status != ModuleStatus.Approved && !isSubmitter)
{
// If it is the newest version, but has not been approved
// and this user is not the submitter, do not let them view
// the module.
disableModule();
lblMessage.Text = "Module not available.";
return;
}
}
// Modules.Size
string[] labels = { "Lecture",
"Lab",
"Exercise",
"Homework",
"Other" };
string[] sizeText = { modInfo.LectureSize,
modInfo.LabSize,
modInfo.ExerciseSize,
modInfo.HomeworkSize,
modInfo.OtherSize };
ArrayList sizes = new ArrayList(NUM_SIZES);
for (int i = 0; i < NUM_SIZES; i++)
{
if (!sizeText[i].Equals(""))
{
sizes.Add("<strong>" + labels[i] + "</strong>: " + sizeText[i]);
}
}
SizeRepeater.DataSource = sizes;
SizeRepeater.DataBind();
// Authors
AuthorsRepeater.DataSource = Authors.getAll(modInfo.Id);
AuthorsRepeater.DataBind();
// Materials
// Since Materials aren't displayed as simply as other
// areas, some modification needs to be done
// Retrieve the materials that the user has the access level right to acquire
tempMats1 = getAccessLevelFilesList(moduleID); //Materials.getAll( moduleID );
ArrayList tempMats2 = new ArrayList();
ArrayList knownTitles = new ArrayList();
int pos = 0;
foreach (Materials.MaterialInfo mi in tempMats1)
{
int position = mi.Link.LastIndexOf('.'); // temp value for extracting the title and extension
string title; // the title part of the filename
string extension; // the extension of the filename
if (position == -1)
{
title = "(No Title)";
extension = mi.Link;
}
else
{
title = mi.Link.Substring(0, position);
extension = getFormat(mi.Link.Substring(position + 1));
}
// this is the reference to the current material that will
// be added to the materials repeater in the html
string reference = "(<a href='Materials/" + mi.ModuleID + "/" + mi.Link +
"' target='_blank'>" + extension + "</a>)";
// see if we've already come across this title
int index = knownTitles.IndexOf(title.ToLower());
if (index == -1)
{
// Means that the title hasn't already been found,
// so we need to add it as a new Material group
tempMats2.Add(new Materials.MaterialInfo(mi.Id, mi.IdentInfo, reference,
mi.ModuleID, mi.RatingImage, mi.Rating,
mi.AccessFlag));
knownTitles.Add(title.ToLower());
}
else
{
// Means that the title has already been found, so we
// need to add a link for this extra Material to the
// appropriate existing Material group
((Materials.MaterialInfo)(tempMats2[index])).Link += " " + reference;
}
}
MaterialsRepeater.DataSource = tempMats2;
MaterialsRepeater.DataBind();
// Categories
CategoriesRepeater.DataSource = Categories.getAll(modInfo.Id);
CategoriesRepeater.DataBind();
// Prerequisites
PrereqRepeater.DataSource = Prerequisites.getAll(modInfo.Id);
PrereqRepeater.DataBind();
// Objectives
ObjectivesRepeater.DataSource = Objectives.getAll(modInfo.Id);
ObjectivesRepeater.DataBind();
// Topics
TopicsRepeater.DataSource = Topics.getAll(modInfo.Id);
TopicsRepeater.DataBind();
// Resources
IList resourcesList = Resources.getAll(modInfo.Id);
// If there are no resources, display text that says so.
if (resourcesList.Count == 0)
{
ResourcesRepeater.Controls.Add(new LiteralControl("<p>No resources.</p>"));
}
else
{
ResourcesRepeater.DataSource = resourcesList;
ResourcesRepeater.DataBind();
}
// See Also
IList seeAlsoList = SeeAlso.getAll(modInfo.Id);
// If there are no alternate modules, display text that says so.
if (seeAlsoList.Count == 0)
{
SeeAlsoRepeater.Controls.Add(new LiteralControl("<p>No alternate modules.</p>"));
}
else
{
SeeAlsoRepeater.DataSource = seeAlsoList;
SeeAlsoRepeater.DataBind();
}
// Ratings
if (modInfo.Status == ModuleStatus.Approved)
{
ModuleRatingInfo mci = ModuleRatings.getRating(modInfo.Id);
RateModuleControl1.RatingInfo = mci;
// Submitters and authors can't rate their own modules.
if (isSubmitter || isAuthor)
{
RateModuleControl1.AddRatingEnabled = false;
RatingsMessage.Text = "<p>You may not rate a module that " +
"you have submitted or are listed as an author of.</p>";
}
else
{
Rating rating = ModuleRatingsControl.getRatingForUser(User.Identity.Name, mci);
RateModuleControl1.UserRating = rating;
}
}
else
{
disableRatings();
}
// Related Modules
IList related = ModuleGroups.getRelatedModules(modInfo.BaseId);
if (related.Count == 0)
{
H21.Visible = false;
}
else
{
RelatedRepeater.DataSource = related;
RelatedRepeater.DataBind();
}
}
else
{
lblMessage.Text =
"An error occurred while attempting to get the requested module." +
" No module was specified. <a href=\"browseModules.aspx\">Browse</a>" +
" or <a href=\"search.aspx\">search</a> to select a module to view.";
}
} catch (Exception ex) {
lblMessage.Text =
"An error occurred while attempting to get the requested module." +
" " + ex.Message + " " + ex.StackTrace;
}
}
}
/// <summary>
/// Save a new module or changes to an existing module.
/// </summary>
/// <param name="status">The status to designate for the module.</param>
private Modules.ModuleInfo saveModule(ModuleStatus status)
{
// tells whether old data exists that needs to be
// removed before adding any new data
bool removePrevious = false;
// tells whether user is just updating an existing
// module or if they want to create a new module
// (possibly a new version of an existing module)
bool isUpdate = false;
Modules.ModuleInfo mi = createModuleInfo();
ModuleID = mi.Id;
ErrorMessage.Text += "Getting base ID for module: " + ModuleID;
if (ModuleID > 0)
{
mi.BaseId = Modules.getModuleInfo(ModuleID).BaseId;
}
else
{
mi.BaseId = 0;
}
mi.Status = status;
mi.Submitter = User.Identity.Name;
mi.SubmitterID = UserAccounts.getUserInfo(User.Identity.Name).SubmitterID;
switch (ModuleEditType)
{
case EditType.New:
isUpdate = false;
break;
case EditType.InProgress:
isUpdate = true;
removePrevious = true;
break;
case EditType.Approved:
Modules.ModuleInfo oldModule = Modules.getModuleInfo(ModuleID);
mi.BaseId = oldModule.BaseId;
// If this module was previously Approved, and an admin changed it,
// just update the module without creating a new version.
if (User.Identity.IsAuthenticated && User.IsInRole(UserRole.Admin.ToString()))
{
string modSubmitter = oldModule.Submitter;
// If this module is the admin's own, behave as if not an admin.
// Admins deserve multiple versions too.
if (User.Identity.Name.Equals(modSubmitter))
{
isUpdate = false;
mi.Version = oldModule.Version + 1;
}
else
{
mi.Submitter = modSubmitter;
mi.SubmitterID = oldModule.SubmitterID;
isUpdate = true;
mi.Version = oldModule.Version;
}
}
// If this module was previously Approved, and a non-admin changed
// it, create a new version of the module, and check it out accordingly.
else
{
isUpdate = false;
MaterialsControl1.retrieveMaterials(oldModule.Id);
mi.Version = oldModule.Version + 1;
}
removePrevious = true;
break;
}
try
{
ModuleID = ModulesControl.checkInModule(mi, isUpdate);
ErrorMessage.Text += " Assigned ModuleID = " + ModuleID + ". ";
mi.Id = ModuleID;
foreach (IEditControl ec in editControls)
{
ec.insertAll(ModuleID, removePrevious);
}
/** HANDLE THE VARIANTS **/
// is true if this module is new OR a variant is chosen (including <None>)
if (VariantOf != -1)
{
int groupID = ModuleGroups.getGroupID(mi.BaseId);
// if this module was reset as a variant of the same module
// as before, or if it was set as a variant of a module in
// the same group as it already is in, do nothing
if (groupID != -1 && groupID == ModuleGroups.getGroupID(VariantOf))
{
}
// if this module was already in a group by itself, and the
// user tries to put it in a new group by itself, ignore
// the request and do nothing
else if (groupID != -1 && VariantOf == 0 && ModuleGroups.getRelatedModules(mi.BaseId).Count == 0)
{
}
else
{
// if <None> was chosen, add this module to its own module group
if (VariantOf == 0)
{
ModuleGroups.addToNew(mi.BaseId);
}
// else add this module to the group that was chosen
// SQL code resolves duplicates
else
{
ModuleGroups.addToExisting(mi.BaseId, VariantOf);
}
}
}
else
{
// If the module was not a variant, add this module to its own module group
ModuleGroups.addToNew(mi.BaseId);
}
}
catch (Exception e)
{
string message = "An error occurred while saving your module.";
// If a new module was being created and there was an error, remove
// the module (and by cascading, any added pieces).
if (ModuleEditType == EditType.New && ModuleID != 0)
{
ModulesControl.removeModule(ModuleID);
message += " Module was not saved. Review the module and try to resubmit it.";
}
else
{
message += " All of your changes were not saved. Review the module and try to resubmit it.";
ModuleEditType = EditType.InProgress;
}
// send an email to admins reporting the error
Email msg = Emails.getEmail(EmailType.CriticalError);
Emails.formatEmail(msg, mi.Submitter, mi.Id);
Emails.formatEmailBody(msg, e.StackTrace + "::" + e.Message);
MailMessage mail = Emails.constructErrorMessage(msg, Globals.AdminsEmail);
SmtpMail.SmtpServer = AspNetForums.Components.Globals.SmtpServer;
SmtpMail.Send(mail);
message += " An e-mail reporting the error has been sent to the SWEnet Administrators.";
throw new Exception(message, e);
}
return(mi);
}