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