Files
classroomio/supabase/migrations/20250917235052_course_analytics.sql
T

35 lines
1.2 KiB
PL/PgSQL

set check_function_bodies = off;
CREATE OR REPLACE FUNCTION public.get_course_progress(course_id_arg uuid, profile_id_arg uuid)
RETURNS TABLE(lessons_count bigint, lessons_completed bigint, exercises_count bigint, exercises_completed bigint)
LANGUAGE plpgsql
AS $function$
BEGIN
RETURN QUERY
select
count(distinct lesson.id) as lessons_count,
count(distinct lesson_completion.id) as lessons_completed,
count(distinct exercise.id) as exercises_count,
count(distinct submission.id) as exercises_completed
from
course
join "group" on "group".id = course.group_id
join groupmember on groupmember.group_id = course.group_id
join profile on profile.id = groupmember.profile_id
left join lesson on lesson.course_id = course.id
left join lesson_completion on lesson_completion.lesson_id = lesson.id
and lesson_completion.is_complete = true
and lesson_completion.profile_id = profile.id
left join exercise on exercise.lesson_id = lesson.id
left join submission on submission.exercise_id = exercise.id
and submission.submitted_by = groupmember.id
where
course.id = course_id_arg
and profile.id = profile_id_arg;
END;
$function$
;
ALTER TABLE public.lesson_completion
ADD CONSTRAINT unique_lesson_profile UNIQUE (lesson_id, profile_id);