mirror of
https://github.com/thiloho/archtika.git
synced 2025-11-22 10:51:36 +01:00
42 lines
1.6 KiB
PL/PgSQL
42 lines
1.6 KiB
PL/PgSQL
-- migrate:up
|
|
CREATE FUNCTION api.export_articles_zip (website_id UUID)
|
|
RETURNS "*/*"
|
|
AS $$
|
|
DECLARE
|
|
_has_access BOOLEAN;
|
|
_headers TEXT;
|
|
_article RECORD;
|
|
_markdown_dir TEXT := '/tmp/website-' || export_articles_zip.website_id;
|
|
BEGIN
|
|
_has_access = internal.user_has_website_access (export_articles_zip.website_id, 20);
|
|
SELECT
|
|
FORMAT('[{ "Content-Type": "application/gzip" },'
|
|
'{ "Content-Disposition": "attachment; filename=\"%s\"" }]', 'archtika-export-articles-' || export_articles_zip.website_id || '.tar.gz') INTO _headers;
|
|
PERFORM
|
|
SET_CONFIG('response.headers', _headers, TRUE);
|
|
EXECUTE FORMAT('COPY (SELECT 1) TO PROGRAM ''mkdir -p %s''', _markdown_dir || '/articles');
|
|
FOR _article IN (
|
|
SELECT
|
|
a.id,
|
|
a.website_id,
|
|
a.slug,
|
|
a.main_content
|
|
FROM
|
|
internal.article AS a
|
|
WHERE
|
|
a.website_id = export_articles_zip.website_id)
|
|
LOOP
|
|
EXECUTE FORMAT('COPY (SELECT %L) TO ''%s'' WITH (FORMAT CSV)', COALESCE(_article.main_content, 'No content yet'), _markdown_dir || '/articles/' || _article.slug || '.md');
|
|
EXECUTE FORMAT('COPY (SELECT 1) TO PROGRAM ''sed -i "s/^\"//;s/\"$//;s/\"\"/\"/g" %s''', _markdown_dir || '/articles/' || _article.slug || '.md');
|
|
END LOOP;
|
|
EXECUTE FORMAT('COPY (SELECT 1) TO PROGRAM ''tar -czf %s -C %s articles && rm %s''', _markdown_dir || '/export.tar.gz', _markdown_dir, _markdown_dir || '/articles/*.md');
|
|
RETURN PG_READ_BINARY_FILE(_markdown_dir || '/export.tar.gz');
|
|
END;
|
|
$$
|
|
LANGUAGE plpgsql
|
|
SECURITY DEFINER;
|
|
|
|
GRANT EXECUTE ON FUNCTION api.export_articles_zip TO authenticated_user;
|
|
|
|
-- migrate:down
|