chore: add course and grade bucket data

models/grading/fact_grade_status.sql

@@ -2,11 +2,37 @@ select
     ls.org as org,
     ls.course_key as course_key,
     ls.actor_id as actor_id,
+    courses.course_name as course_name,
+    courses.course_run as course_run,
     state as state,
-    course_grade as course_grade
+    course_grade as course_grade,
+    case
+        when course_grade >= 0.9
+        then '90-100%'
+        when course_grade >= 0.8 and course_grade < 0.9
+        then '80-89%'
+        when course_grade >= 0.7 and course_grade < 0.8
+        then '70-79%'
+        when course_grade >= 0.6 and course_grade < 0.7
+        then '60-69%'
+        when course_grade >= 0.5 and course_grade < 0.6
+        then '50-59%'
+        when course_grade >= 0.4 and course_grade < 0.5
+        then '40-49%'
+        when course_grade >= 0.3 and course_grade < 0.4
+        then '30-39%'
+        when course_grade >= 0.2 and course_grade < 0.3
+        then '20-29%'
+        when course_grade >= 0.1 and course_grade < 0.2
+        then '10-19%'
+        else '0-9%'
+    end as grade_bucket
 from {{ ref("fact_learner_course_grade") }} ls
 left join
     {{ ref("fact_learner_course_status") }} lg
     on ls.org = lg.org
     and ls.course_key = lg.course_key
     and ls.actor_id = lg.actor_id
+join
+    {{ source("event_sink", "course_names") }} courses
+    on ls.course_key = courses.course_key