Add notification if a course found in a search is actually a crosslist of another.

application/controllers/RequestController.php

@@ -50,12 +50,25 @@ class RequestController extends Nmc_Controller_Action
             Nmc_Registry_Session::getInstance()->erase('course');
         } else {
             // course found
+
             Nmc_Registry_Session::getInstance()->erase('course');
             $out->page = 'request/course_found';
             $parentCourse = $course->getParentCourse();
 
             $course = clone $parentCourse;
 
+            if ($course->subject != $subject ||
+                $course->courseNumber != $courseNumber ||
+                $course->courseLetter != $courseLetter)
+            {
+                $out->crosslisting = true;
+                $out->homeSubject = $course->subject;
+                $out->homeCourseLetter = $course->courseLetter;
+                $out->homeCourseNumber = $course->courseNumber;
+            } else {
+                $out->crosslisting = false;
+            }
+
             Nmc_Registry_Session::getInstance()->course = $course;
         }
 

application/views/request/course_found.xhtml

 
         <h2>
-            The Course <?php echo $this->subject , ' '
+            The course <?php echo $this->subject , ' '
                                 , $this->courseNumber
-                                , $this->courseLetter; ?> Already Exists.
+                                , $this->courseLetter; ?>
+            <?php if(!$this->crosslisting) { ?>
+            currently exists.
+            <?php } else { ?>
+            currently exists as a crosslisting of
+            <?php echo trim($this->homeSubject . ' '
+                          . $this->homeCourseNumber . ' '
+                          . $this->homeCourseLetter) . '.'; ?>
+            <?php } ?>
+            <br />
             You may:
         </h2>
         <ul>