public static ModuleRatingInfo initModuleRating(int moduleID)
{
// Construct a new thread post for ratings for the given module.
Modules.ModuleInfo module = Modules.getModuleInfo(moduleID);
Post newPost = new Post();
newPost.Username = "******";
newPost.Subject = module.Title;
newPost.Body = "Ratings for <a href=\"" + HttpContext.Current.Request.ApplicationPath +
"/viewModule.aspx?moduleID=" + module.Id + "\">" + module.Title + "</a>.";
newPost.IsLocked = true;
newPost.ForumID = FORUMS_ID;
// Add the post to the forums database.
Post returnedPost = Posts.AddPost(newPost);
// Construct a ModuleRatingInfo object with the thread ID of the
// actual post created.
ModuleRatingInfo modRating = new ModuleRatingInfo();
modRating.ModuleID = module.Id;
modRating.ThreadID = returnedPost.ThreadID;
ModuleRatings.createRating(modRating);
return(modRating);
}
/// <summary>
///
/// </summary>
/// <param name="currentInfo"></param>
/// <param name="post"></param>
/// <param name="rating"></param>
/// <returns></returns>
public static ModuleRatingInfo addRating(ModuleRatingInfo currentInfo, Post post, Rating rating)
{
// If post is not null, add the post and rating to forums database.
// Even if the post is empty, still add it.
if (post != null)
{
post.PostType = Posts.PostType.Rating;
post.ParentID = currentInfo.ThreadID;
post.IsLocked = true;
post = Posts.AddPost(post);
rating.PostID = post.PostID;
Ratings.AddRating(rating);
}
// Calculate the new rating and construct a new ModuleRatingInfo
// object to be returned.
float newRating = 0;
if (currentInfo.NumRatings == 0)
{
newRating = rating.Value;
}
else
{
newRating = (currentInfo.Rating * currentInfo.NumRatings + rating.Value) /
(currentInfo.NumRatings + 1);
}
ModuleRatingInfo newInfo = new ModuleRatingInfo();
newInfo.ModuleID = currentInfo.ModuleID;
newInfo.ThreadID = currentInfo.ThreadID;
newInfo.Rating = newRating;
newInfo.NumRatings = currentInfo.NumRatings + 1;
// Update the module rating in the module database.
ModuleRatings.updateRating(newInfo);
return(newInfo);
}
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;
}
}
}
public static Rating getRatingForUser(string username, ModuleRatingInfo ratingInfo)
{
return(Ratings.GetRatingForUser(username, ratingInfo.ThreadID));
}
