public static string CurrentCourseTermLink(this HtmlHelper html, string before, string after)
{
AssessTrackDataRepository data = new AssessTrackDataRepository();
if (html.ViewContext.RouteData.Values["siteShortName"] != null)
{
string siteShortName = html.ViewContext.RouteData.Values["siteShortName"].ToString();
Site site = data.GetSiteByShortName(siteShortName);
if (site != null)
{
if (html.ViewContext.RouteData.Values["courseTermShortName"] != null)
{
string courseTermShortName = html.ViewContext.RouteData.Values["courseTermShortName"].ToString();
CourseTerm ct = data.GetCourseTermByShortName(site,courseTermShortName);
if (ct == null)
{
return string.Empty;
}
string courseTermLink = HtmlHelper.GenerateRouteLink(html.ViewContext.RequestContext,
html.RouteCollection, ct.Name, null,
new System.Web.Routing.RouteValueDictionary(
new
{
action = "Details",
controller = "CourseTerm",
siteShortName = siteShortName,
courseTermShortName = courseTermShortName
}), null);
string finallink = before + courseTermLink + after;
return finallink;
}
}
}
return string.Empty;
}
//Will return false if routeData points to non-existant site or courseterm
public static bool CheckAuthorization(AuthScope scope, int minLevel, int maxLevel, RouteValueDictionary routeData)
{
//RouteData routeData = RouteTable.Routes.GetRouteData(new HttpContextWrapper(HttpContext.Current));
AssessTrackDataRepository data = new AssessTrackDataRepository();
string siteShortName;
Site site = null;
string courseTermShortName;
CourseTerm courseTerm = null;
//HttpContext.Current.
if (scope != AuthScope.Application)
{
//Try to get the site by shortName
if (routeData["siteShortName"] != null)
{
siteShortName = routeData["siteShortName"].ToString();
site = data.GetSiteByShortName(siteShortName);
}
//if scope is Site, then {id} should refer to SiteID
else if (scope != AuthScope.CourseTerm && routeData["id"] != null)
{
try
{
Guid siteID = new Guid(routeData["id"].ToString());
site = data.GetSiteByID(siteID);
}
catch
{
//Do nothing here
//if this fails, site will be null and the following code will
//return SiteNotFound
}
}
if (site == null)
{
return false;
}
if (scope == AuthScope.CourseTerm)
{
//Try to get the site by shortName
if (routeData["courseTermShortName"] != null)
{
courseTermShortName = routeData["courseTermShortName"].ToString();
courseTerm = data.GetCourseTermByShortName(site, courseTermShortName);
}
//if scope is CourseTerm, then {id} should refer to CourseTermID
else if (routeData["id"].ToString() != null)
{
try
{
Guid courseTermID = new Guid(routeData["id"].ToString());
courseTerm = data.GetCourseTermByID(site, courseTermID);
}
catch
{
//Do nothing here
//if this fails, courseTerm will be null and the following code will
//return CourseTermNotFound
}
}
if (courseTerm == null)
{
return false;
}
}
}
//Set up is complete, now check if the user is authorized
if (CheckAuthorization(HttpContext.Current, site, courseTerm, scope, minLevel, maxLevel))
{
return true;
}
else
{
return false;
}
}