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>
/// Mark a module as approved and update lock state.
/// </summary>
/// <param name="moduleID">The identifier of the module to approve.</param>
public static void approveModule(int moduleID)
{
// Mark module as approved and unlock it.
Modules.updateModuleStatus(moduleID, ModuleStatus.Approved);
Modules.setLock(moduleID, "");
// If there was a previous version, mark it as PreviousVersion.
Modules.ModuleInfo mod = Modules.getModuleInfo(moduleID);
if (mod.Version > 1)
{
IList versions = Modules.getModuleVersions(mod.BaseId, true);
Modules.updateModuleStatus(((Modules.ModuleInfo)versions[versions.Count - 2]).Id,
ModuleStatus.PreviousVersion);
}
else
{
string newID;
string lastID = Modules.getLastIDbySubmitter(mod.Submitter);
int currentYear = System.DateTime.Now.Year;
string moduleIdentifier = mod.BaseId == 0 ? "" : DBAdapter.Modules.getModuleIdentifierByBaseID(mod.BaseId);
// If the baseID for this module already had a module identifier, reuse it
if (moduleIdentifier != "")
{
newID = moduleIdentifier;
}
else if (lastID != "")
{
// if not, we need to set the identifier...
// if the submitter has submitted modules before, the next identifier depends on the
// identifier of the last module they submitted
int pos1 = lastID.IndexOf('.');
int pos2 = lastID.LastIndexOf('.');
int year = int.Parse(lastID.Substring(pos1 + 1, pos2 - pos1 - 1));
if (year == currentYear)
{
// Get the last module number and increment it
int moduleNum = int.Parse(lastID.Substring(pos2 + 1));
newID = lastID.Substring(0, pos2 + 1) + (moduleNum + 1);
}
else
{
// If the last module that was submitted by this
// submitter was in a previous year, use this year
// and the module number 1
newID = lastID.Substring(0, pos1 + 1) + currentYear + ".1";
}
}
else
{
// If lastID was an empty string, the submitter hasn't submitted
// any modules before, so we need to create a new identifier
newID = mod.Submitter + "." + currentYear + ".1";
}
Modules.setModuleIdentifier(mod.BaseId, newID);
Modules.setLastIDbySubmitter(mod.Submitter, newID);
}
ModuleRatingsControl.initModuleRating(moduleID);
}