62 lines
1.2 KiB
SQL
62 lines
1.2 KiB
SQL
-- name: CreateLesson :one
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INSERT INTO lessons (module_id, title, video_url, thumbnail, description, sort_order)
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SELECT
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$1,
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$2,
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$3,
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$4,
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$5,
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coalesce((
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SELECT
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max(l.sort_order)
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FROM lessons l
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WHERE
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l.module_id = $1), 0) + 1
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RETURNING
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*;
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-- name: GetLessonByID :one
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SELECT *
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FROM lessons
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WHERE id = $1;
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-- name: ListLessonsByModuleID :many
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SELECT
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COUNT(*) OVER () AS total_count,
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l.id,
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l.module_id,
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l.title,
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l.video_url,
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l.thumbnail,
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l.description,
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l.sort_order,
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l.created_at,
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l.updated_at
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FROM
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lessons l
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WHERE
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l.module_id = $1
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ORDER BY
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l.sort_order ASC,
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l.id ASC
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LIMIT $2
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OFFSET $3;
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-- name: UpdateLesson :one
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UPDATE lessons
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SET
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title = COALESCE(sqlc.narg('title')::varchar, title),
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video_url = COALESCE(sqlc.narg('video_url')::text, video_url),
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thumbnail = COALESCE(sqlc.narg('thumbnail')::text, thumbnail),
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description = COALESCE(sqlc.narg('description')::text, description),
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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
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id = sqlc.arg('id')
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RETURNING
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*;
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-- name: DeleteLesson :exec
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DELETE FROM lessons
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WHERE id = $1;
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