+import re
+from django.utils.translation import gettext_lazy as _
+
+
+class Check:
+ def check_meta(self, meta):
+ return False
+
+
+class CheckParse(Check):
+ tag = 'parse'
+ description = _('Book parse error.')
+
+
+class CheckCoverLocal(Check):
+ tag = 'cover-local'
+ description = _('Cover is not local')
+
+ def check_meta(self, meta):
+ print(meta)
+ if meta.cover_source is None:
+ print('no cover_source')
+ return False
+ return not re.match(r'https?://redakcja.wolnelektury.pl/cover/image/', meta.cover_source)
+
+
+rules = [
+ CheckParse(),
+ CheckCoverLocal(),
+]
+
+rules_by_tag = {
+ r.tag: r
+ for r in rules
+}