fix: add latest grade for fact_grade_status model

models/grading/fact_grade_status.sql

@@ -27,19 +27,38 @@ with
                 'http://adlnet.gov/expapi/verbs/passed',
                 'http://adlnet.gov/expapi/verbs/failed'
             )
+    ),
+
+    latest_course_grades as (
+        select
+            org,
+            course_key,
+            actor_id,
+            scaled_score as course_grade,
+            row_number() over (
+                partition by org, course_key, actor_id order by emission_time desc
+            ) as rn
+        from {{ ref("fact_grades") }}
+        where grade_type = 'course'
     )
 
 select
-    lg.org,
-    lg.course_key,
-    lg.object_id,
-    lg.actor_id,
-    lg.latest_state as latest_grade_state
+    lg.org as org,
+    lg.course_key as course_key,
+    lg.object_id as object_id,
+    lg.actor_id as actor_id,
+    lg.latest_state as latest_state,
+    lc.course_grade as course_grade
 from latest_grades lg
 join
     latest_grade_status lgs
     on lg.org = lgs.org
     and lg.course_key = lgs.course_key
     and lg.object_id = lgs.object_id
     and lg.actor_id = lgs.actor_id
-where lg.rn = 1
+left join
+    latest_course_grades lc
+    on lg.org = lc.org
+    and lg.course_key = lc.course_key
+    and lg.actor_id = lc.actor_id
+where lg.rn = 1 and lc.rn = 1