def add_ref(self, tref):
try:
new_oref = Ref(tref)
except InputError as e:
raise ManuscriptError(e)
for oref in self.get_ref_objects():
if oref.overlaps(new_oref):
raise ManuscriptError(
f'Overlap between contained refs {oref} and {new_oref}')
self.contained_refs.append(tref)
self.expanded_refs.extend(self.get_expanded_refs_for_source(new_oref))
def _validate(self):
super(ManuscriptPage, self)._validate()
# check that the manuscript this page is part of exists in the database
if self.get_manuscript() is None:
raise ManuscriptError("Manuscript missing in database")
for tref in self.contained_refs:
if not Ref.is_ref(tref):
raise ManuscriptError(f'{tref} is not a valid Ref')
test_refs = self.get_ref_objects()
while test_refs:
current_ref = test_refs.pop()
for tr in test_refs:
if current_ref.overlaps(tr):
raise ManuscriptError(
f'Overlap between contained refs {tr} and {current_ref}'
)
if not len(test_refs):
break
def _pre_save(self):
self.expanded_refs = list(set(
self.expanded_refs)) # clear out duplicates
# make sure we're not adding duplicates
manuscript_id, page_id = getattr(self, 'manuscript_slug',
None), getattr(self, 'page_id', None)
if manuscript_id is None or page_id is None: # important to check for None explicitly, page_id=0 is valid
raise ManuscriptError('No manuscript_id or page_id')
if self.is_new():
duplicate = ManuscriptPage().load({
'manuscript_id': manuscript_id,
'page_id': page_id
})
if duplicate:
raise DuplicateRecordError(
"Record already exists. Please update existing instead of adding new."
)
def get_ref_objects(self):
try:
return [Ref(tref) for tref in self.contained_refs]
except InputError:
raise ManuscriptError(
'bad ref associated with this Manuscript Page')