Yared Yemane
14d94ec723
Expose sort_order on CreateExamPrepUnitInput; insert applies explicit index with sibling shifting (aligned with LMS course create). Updated Swagger and LMS-Personas Postman collection. Co-authored-by: Cursor <cursoragent@cursor.com>
92 lines
2.6 KiB
SQL
92 lines
2.6 KiB
SQL
-- name: ExamPrepCreateUnit :one
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INSERT INTO exam_prep.units (catalog_course_id, name, description, thumbnail, sort_order)
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SELECT
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sqlc.arg('catalog_course_id'),
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sqlc.arg('name'),
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sqlc.arg('description'),
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sqlc.arg('thumbnail'),
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COALESCE(sqlc.narg('sort_order')::int,
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COALESCE((
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SELECT
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max(u.sort_order)
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FROM exam_prep.units u
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WHERE
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u.catalog_course_id = sqlc.arg('catalog_course_id')), 0) + 1)
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RETURNING
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*;
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-- name: ExamPrepGetUnitByID :one
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SELECT
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u.*,
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EXISTS (
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SELECT 1
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FROM exam_prep.lesson_practices p
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INNER JOIN exam_prep.unit_module_lessons l ON l.id = p.unit_module_lesson_id
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INNER JOIN exam_prep.unit_modules m ON m.id = l.unit_module_id
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WHERE m.unit_id = u.id
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) AS has_practice
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FROM exam_prep.units u
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WHERE u.id = $1;
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-- name: ExamPrepListUnitIDsByCatalogCourse :many
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SELECT
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u.id
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FROM exam_prep.units u
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WHERE
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u.catalog_course_id = $1
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ORDER BY
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u.id;
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-- name: ExamPrepListUnitsByCatalogCourse :many
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WITH unit_counts AS (
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SELECT
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u.id AS unit_id,
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COUNT(DISTINCT m.id)::BIGINT AS modules_count,
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COUNT(DISTINCT l.id)::BIGINT AS lessons_count,
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COUNT(DISTINCT p.id)::BIGINT AS practices_count
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FROM exam_prep.units u
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LEFT JOIN exam_prep.unit_modules m ON m.unit_id = u.id
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LEFT JOIN exam_prep.unit_module_lessons l ON l.unit_module_id = m.id
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LEFT JOIN exam_prep.lesson_practices p ON p.unit_module_lesson_id = l.id
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GROUP BY u.id
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)
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SELECT
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COUNT(*) OVER () AS total_count,
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u.id,
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u.catalog_course_id,
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u.name,
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u.description,
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u.thumbnail,
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u.sort_order,
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COALESCE(uc.modules_count, 0)::BIGINT AS modules_count,
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COALESCE(uc.lessons_count, 0)::BIGINT AS lessons_count,
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COALESCE(uc.practices_count, 0)::BIGINT AS practices_count,
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(COALESCE(uc.practices_count, 0)::BIGINT > 0) AS has_practice,
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u.created_at,
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u.updated_at
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FROM exam_prep.units u
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LEFT JOIN unit_counts uc ON uc.unit_id = u.id
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WHERE
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u.catalog_course_id = $1
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ORDER BY
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u.sort_order ASC,
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u.id ASC
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LIMIT $2
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OFFSET $3;
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-- name: ExamPrepUpdateUnit :one
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UPDATE exam_prep.units
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SET
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name = coalesce(sqlc.narg('name')::varchar, name),
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description = coalesce(sqlc.narg('description')::text, description),
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thumbnail = coalesce(sqlc.narg('thumbnail')::text, thumbnail),
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sort_order = coalesce(sqlc.narg('sort_order')::int, sort_order),
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updated_at = CURRENT_TIMESTAMP
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WHERE id = sqlc.arg('id')
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RETURNING
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*;
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-- name: ExamPrepDeleteUnit :exec
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DELETE FROM exam_prep.units
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WHERE id = $1;
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