def _merge_person_links(target_abstract, source_abstract):
"""
Merge `person_links` of different abstracts.
Add to `target_abstract` new `AbstractPersonLink`s whose `EventPerson`
exists in the `source_abstract` but is not yet in the `target_abstract`.
:param target_abstract: The target abstract (to which the links should then be added)
:param source_abstract: The source abstract
"""
new_links = set()
source_links = source_abstract.person_links
source_link_map = defaultdict(set)
for link in source_links:
source_link_map[link.person.id].add(link)
unique_persons = {link.person
for link in source_links} - {
link.person
for link in target_abstract.person_links
}
sort_position = max(link.display_order
for link in target_abstract.person_links) + 1
persons_sorted = sort_position > 1
for person in unique_persons:
for source_link in source_link_map[person.id]:
link = AbstractPersonLink(person=person,
author_type=source_link.author_type,
is_speaker=source_link.is_speaker)
# if the persons in the abstract are sorted, add at the end
# otherwise, keep alphabetical order
if persons_sorted:
link.display_order = sort_position
sort_position += 1
else:
link.display_order = 0
new_links.add(link)
for column_name in {
'_title', '_affiliation', '_address', '_phone',
'_first_name', '_last_name'
}:
setattr(link, column_name, getattr(source_link, column_name))
# Add new links in order
for link in sorted(new_links, key=attrgetter('display_order_key')):
target_abstract.person_links.append(link)
def _merge_person_links(target_abstract, source_abstract):
"""
Merge `person_links` of different abstracts.
Add to `target_abstract` new `AbstractPersonLink`s whose `EventPerson`
exists in the `source_abstract` but is not yet in the `target_abstract`.
:param target_abstract: The target abstract (to which the links should then be added)
:param source_abstract: The source abstract
"""
new_links = set()
source_links = source_abstract.person_links
source_link_map = defaultdict(set)
for link in source_links:
source_link_map[link.person.id].add(link)
unique_persons = {link.person for link in source_links} - {link.person for link in target_abstract.person_links}
sort_position = max(link.display_order for link in target_abstract.person_links) + 1
persons_sorted = sort_position > 1
for person in unique_persons:
for source_link in source_link_map[person.id]:
link = AbstractPersonLink(person=person, author_type=source_link.author_type,
is_speaker=source_link.is_speaker)
# if the persons in the abstract are sorted, add at the end
# otherwise, keep alphabetical order
if persons_sorted:
link.display_order = sort_position
sort_position += 1
else:
link.display_order = 0
new_links.add(link)
for column_name in {'_title', '_affiliation', '_address', '_phone', '_first_name', '_last_name'}:
setattr(link, column_name, getattr(source_link, column_name))
# Add new links in order
for link in sorted(new_links, key=attrgetter('display_order_key')):
target_abstract.person_links.append(link)
