public static async Task<SectionDisplayObject> GetSectionDisplayObject(SectionService ss, Section section)
{
//check to see if the item is already in cache. if so, return the cache item
var cache = (SectionDisplayObject)HttpContext.Current.Cache[section.id];
if (cache != null)
return cache;
var courseOfferingCache = (CourseOffering)HttpContext.Current.Cache[section.courseOfferingId];
if (courseOfferingCache == null){
var courseOfferings = await GetAllCourseOfferings(ss);
courseOfferingCache = courseOfferings.FirstOrDefault(co => co.id == section.courseOfferingId);
}
var courseCache = new Course();
if (courseOfferingCache != null)
{
courseCache = (Course)HttpContext.Current.Cache[courseOfferingCache.courseId];
if (courseCache == null)
{
var courses = await GetAllCourses(ss);
courseCache = courses.FirstOrDefault(c => c.id == courseOfferingCache.courseId);
}
}
var sdo = MapSectionToSectionDisplayObject(courseCache, section.id);
HttpContext.Current.Cache.Insert(section.id, sdo);
return sdo;
}
private static SectionDisplayObject MapSectionToSectionDisplayObject(Course c, string sectionId)
{
var newSection = new SectionDisplayObject();
if (c != null)
{
newSection.id = sectionId;
newSection.courseTitle = c.courseTitle;
newSection.courseDescription = c.courseDescription;
newSection.courseLevel = c.courseLevel;
newSection.subjectArea = c.subjectArea;
}
return newSection;
}