gramps/gramps/gen/merge/mergefamilyquery.py

195 lines
8.3 KiB
Python

#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2010 Michiel D. Nauta
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
"""
Provide merge capabilities for families.
"""
#-------------------------------------------------------------------------
#
# Gramps modules
#
#-------------------------------------------------------------------------
from ..db import DbTxn
from ..const import GRAMPS_LOCALE as glocale
_ = glocale.translation.sgettext
from ..errors import MergeError
from . import MergePersonQuery
#-------------------------------------------------------------------------
#
# MergeFamilyQuery
#
#-------------------------------------------------------------------------
class MergeFamilyQuery(object):
"""
Create database query to merge two families.
"""
def __init__(self, database, phoenix, titanic, phoenix_fh=None,
phoenix_mh=None):
self.database = database
self.phoenix = phoenix
self.titanic = titanic
if phoenix_fh is None:
self.phoenix_fh = self.phoenix.get_father_handle()
else:
self.phoenix_fh = phoenix_fh
if phoenix_mh is None:
self.phoenix_mh = self.phoenix.get_mother_handle()
else:
self.phoenix_mh = phoenix_mh
if self.phoenix.get_father_handle() == self.phoenix_fh:
self.titanic_fh = self.titanic.get_father_handle()
self.father_swapped = False
else:
assert self.phoenix_fh == self.titanic.get_father_handle()
self.titanic_fh = self.phoenix.get_father_handle()
self.father_swapped = True
if self.phoenix.get_mother_handle() == self.phoenix_mh:
self.titanic_mh = self.titanic.get_mother_handle()
self.mother_swapped = False
else:
assert self.phoenix_mh == self.titanic.get_mother_handle()
self.titanic_mh = self.phoenix.get_mother_handle()
self.mother_swapped = True
def merge_person(self, phoenix_person, titanic_person, parent, trans):
"""
Merge two persons even if they are None; no families are merged!
"""
new_handle = self.phoenix.get_handle()
old_handle = self.titanic.get_handle()
if parent == 'father':
swapped = self.father_swapped
family_add_person_handle = (
(self.phoenix if swapped else self.titanic).set_father_handle)
elif parent == 'mother':
swapped = self.mother_swapped
family_add_person_handle = (
(self.phoenix if swapped else self.titanic).set_mother_handle)
else:
raise ValueError(_("A parent should be a father or mother."))
if phoenix_person is None:
if titanic_person is not None:
raise MergeError("""When merging people where one person """
"""doesn't exist, that "person" must be the person that """
"""will be deleted from the database.""")
return
elif titanic_person is None:
if swapped:
if any(childref.get_reference_handle() == phoenix_person.get_handle()
for childref in self.phoenix.get_child_ref_list()):
raise MergeError(_("A parent and child cannot be merged. "
"To merge these people, you must first break the "
"relationship between them."))
phoenix_person.add_family_handle(new_handle)
family_add_person_handle(phoenix_person.get_handle())
self.database.commit_family(self.phoenix, trans)
else:
if any(childref.get_reference_handle() == phoenix_person.get_handle()
for childref in self.titanic.get_child_ref_list()):
raise MergeError(_("A parent and child cannot be merged. "
"To merge these people, you must first break the "
"relationship between them."))
phoenix_person.add_family_handle(old_handle)
family_add_person_handle(phoenix_person.get_handle())
self.database.commit_family(self.titanic, trans)
self.database.commit_person(phoenix_person, trans)
else:
query = MergePersonQuery(self.database, phoenix_person,
titanic_person)
query.execute(family_merger=False, trans=trans)
def execute(self):
"""
Merges two families into a single family.
"""
new_handle = self.phoenix.get_handle()
old_handle = self.titanic.get_handle()
with DbTxn(_('Merge Family'), self.database) as trans:
if self.phoenix_fh != self.titanic_fh:
if self.phoenix_fh:
phoenix_father = self.database.get_person_from_handle(
self.phoenix_fh)
else:
phoenix_father = None
if self.titanic_fh:
titanic_father = self.database.get_person_from_handle(
self.titanic_fh)
else:
titanic_father = None
self.merge_person(phoenix_father, titanic_father,
'father', trans)
if self.phoenix_mh != self.titanic_mh:
if self.phoenix_mh:
phoenix_mother = self.database.get_person_from_handle(
self.phoenix_mh)
else:
phoenix_mother = None
if self.titanic_mh:
titanic_mother = self.database.get_person_from_handle(
self.titanic_mh)
else:
titanic_mother = None
self.merge_person(phoenix_mother, titanic_mother,
'mother', trans)
self.phoenix = self.database.get_family_from_handle(new_handle)
self.titanic = self.database.get_family_from_handle(old_handle)
phoenix_father = self.database.get_person_from_handle(self.phoenix_fh)
phoenix_mother = self.database.get_person_from_handle(self.phoenix_mh)
self.phoenix = self.database.get_family_from_handle(new_handle)
self.titanic = self.database.get_family_from_handle(old_handle)
self.phoenix.merge(self.titanic)
self.database.commit_family(self.phoenix, trans)
for childref in self.titanic.get_child_ref_list():
child = self.database.get_person_from_handle(
childref.get_reference_handle())
if new_handle in child.parent_family_list:
child.remove_handle_references('Family', [old_handle])
else:
child.replace_handle_reference('Family', old_handle,
new_handle)
self.database.commit_person(child, trans)
if phoenix_father:
phoenix_father.remove_family_handle(old_handle)
self.database.commit_person(phoenix_father, trans)
if phoenix_mother:
phoenix_mother.remove_family_handle(old_handle)
self.database.commit_person(phoenix_mother, trans)
# replace the family in lds ordinances
for (dummy, person_handle) in self.database.find_backlink_handles(
old_handle, ['Person']):
person = self.database.get_person_from_handle(person_handle)
person.replace_handle_reference('Family', old_handle,new_handle)
self.database.commit_person(person, trans)
self.database.remove_family(old_handle, trans)