added initial search_indexes.py

advisor/trajectories/search_indexes.py

+from haystack import indexes
+from django.utils import timezone # required for when the indexes were last updated
+from trajectories.models import Course
+
+class CourseIndex(indexes.SearchIndex, indexes.Indexable):
+    # search result
+    # there can only be one document=True per model
+    text = indexes.CharField( document=True, use_template=True )
+
+    # search filtering
+    name = indexes.CharField( model_attr = 'name' )
+    contents = indexes.CharField( model_attr = 'courseDescription' )
+    department = indexes.CharField( model_attr = 'department' )
+    departmentAbbr = indexes.CharField( model_attr = 'departmentAbbr' )
+    courseNumber = indexes.CharField( model_attr = 'courseNumber' )
+
+    def get_model(self):
+        return Course
+
+    def index_queryset(self, using=None):
+        return self.get_model().objects.all()