/// <summary>
/// Gathers a <see cref="Subject"/>'s related <see cref="Department"/>, <see cref="Division"/>, and <see cref="SubjectsCoursePrefix"/>s
/// </summary>
/// <param name="slug">The slug identifier for a given <see cref="Subject"/></param>
/// <returns>An instance of <see cref="SubjectInfoResult"/> containing data related to the <see cref="Subject"/>, or null if the subject was not found.</returns>
public static SubjectInfoResult GetSubjectInfo(string slug)
{
SubjectInfoResult result = null;
using (ClassScheduleDb context = new ClassScheduleDb())
{
Subject subject = GetSubject(slug, context);
if (subject == null)
{
return result;
}
result = new SubjectInfoResult
{
Subject = subject,
CoursePrefixes = subject.CoursePrefixes.ToList(),
Department = subject.Department ?? new Department(),
};
result.Division = result.Department.Division ?? new Division();
// If the url is a fully qualified url (e.g. http://continuinged.bellevuecollege.edu/about)
// or empty just return it, otherwise prepend with the current school url.
string deptUrl = result.Department.URL ?? string.Empty;
if (!string.IsNullOrWhiteSpace(deptUrl) && !Regex.IsMatch(deptUrl, @"^https?://"))
{
result.Department.URL = deptUrl;
}
}
return result;
}
/// <summary>
/// Gathers a <see cref="Subject"/>'s related <see cref="Department"/>, <see cref="Division"/>, and <see cref="SubjectsCoursePrefix"/>s
/// </summary>
/// <param name="prefix">The prefix identifier for a given <see cref="Subject"/></param>
/// <returns>An instance of <see cref="SubjectInfoResult"/> containing data related to the <see cref="Subject"/>, or null if the subject was not found.</returns>
public static SubjectInfoResult GetSubjectInfoFromPrefix(string prefix)
{
SubjectInfoResult result = null;
using (ClassScheduleDb context = new ClassScheduleDb())
{
Subject subject = (from s in context.Subjects
join p in context.SubjectsCoursePrefixes on s.SubjectID equals p.SubjectID into j
from sub in j
where sub.CoursePrefixID == prefix
select s).FirstOrDefault();
if (subject == null)
{
_log.Warn(m => m("Failed to retrieve Subject record for PrefixID '{0}'", prefix));
return result;
}
result = new SubjectInfoResult
{
Subject = subject,
CoursePrefixes = subject.CoursePrefixes.ToList(),
Department = subject.Department ?? new Department(),
};
result.Division = result.Department.Division ?? new Division();
// If the url is a fully qualified url (e.g. http://continuinged.bellevuecollege.edu/about)
// or empty just return it, otherwise prepend with the current school url.
string deptUrl = result.Department.URL ?? string.Empty;
if (!string.IsNullOrWhiteSpace(deptUrl) && !Regex.IsMatch(deptUrl, @"^https?://"))
{
result.Department.URL = deptUrl;
}
}
return result;
}