1# (c) 2018-2020 

2# MPIB <https://www.mpib-berlin.mpg.de/>, 

3# MPI-CBS <https://www.cbs.mpg.de/>, 

4# MPIP <http://www.psych.mpg.de/> 

5# 

6# This file is part of Castellum. 

7# 

8# Castellum is free software; you can redistribute it and/or modify it 

9# under the terms of the GNU Affero General Public License as published 

10# by the Free Software Foundation; either version 3 of the License, or 

11# (at your option) any later version. 

12# 

13# Castellum is distributed in the hope that it will be useful, but 

14# WITHOUT ANY WARRANTY; without even the implied warranty of 

15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 

16# Affero General Public License for more details. 

17# 

18# You should have received a copy of the GNU Affero General Public 

19# License along with Castellum. If not, see 

20# <http://www.gnu.org/licenses/>. 

21 

22from django.conf import settings 

23from django.contrib.gis.geos import Point 

24 

25from . import geocode 

26 

27 

28def invalidate_geolocation(address, update=False): 

29 from .models import Geolocation 

30 

31 # The geocoding might fail, so we should delete the outdated 

32 # data in any case. 

33 Geolocation.objects.filter(contact=address.contact).delete() 

34 

35 if update and hasattr(settings, 'NOMINATIM'): 35 ↛ 36line 35 didn't jump to line 36, because the condition on line 35 was never true

36 geocoded = geocode.geocode_address(address) 

37 if geocoded: 

38 Geolocation.objects.create( 

39 contact_id=address.contact_id, 

40 point=Point(geocoded.longitude, geocoded.latitude), 

41 ) 

42 

43 

44def delete_geolocation_on_address_change(sender, instance=None, **kwargs): 

45 from castellum.contacts.models import Address 

46 

47 if sender is Address: 

48 invalidate_geolocation(instance) 

49 

50 

51def geocode_on_address_change(sender, instance=None, **kwargs): 

52 from castellum.contacts.models import Address 

53 

54 if sender is Address: 

55 invalidate_geolocation(instance, update=True)