generate thumbnails

backend/internal/db/queries/thumbnails.sql

@@ -0,0 +1,21 @@
+-- name: CreateThumbnail :one
+INSERT INTO thumbnails (file_id, page_number, resolution_label, width, height, storage_key, mime_type)
+VALUES ($1, $2, $3, $4, $5, $6, $7)
+RETURNING *;
+
+-- name: GetThumbnailsByFileID :many
+SELECT * FROM thumbnails
+WHERE file_id = $1
+ORDER BY page_number ASC, resolution_label ASC;
+
+-- name: GetThumbnailByID :one
+SELECT * FROM thumbnails
+WHERE id = $1 LIMIT 1;
+
+-- name: DeleteThumbnailsByFileID :exec
+DELETE FROM thumbnails WHERE file_id = $1;
+
+-- name: GetThumbnailByFilePageResolution :one
+SELECT * FROM thumbnails
+WHERE file_id = $1 AND page_number = $2 AND resolution_label = $3
+LIMIT 1;