feat: Use celery for location queries

src/fellchensammlung/models.py

@@ -134,6 +134,12 @@ class Location(models.Model):
         )
         return location
 
+    @staticmethod
+    def add_location_to_object(instance):
+        """Search the location given in the location string and add it to the object"""
+        location = Location.get_location_from_string(instance.location_string)
+        instance.location = location
+        instance.save()
 
 class RescueOrganization(models.Model):
     def __str__(self):

src/fellchensammlung/tasks.py

@@ -1,6 +1,15 @@
 from notfellchen.celery import app as celery_app
 from .tools.admin import clean_locations
+from .models import Location, AdoptionNotice
+
 
 @celery_app.task(name="admin.clean_locations")
 def task_clean_locations():
     clean_locations()
+
+
+@celery_app.task(name="commit.add_location")
+def add_adoption_notice_location(pk):
+    instance = AdoptionNotice.objects.get(pk=pk)
+    Location.add_location_to_object(instance)
+

src/fellchensammlung/templates/fellchensammlung/details/detail_adoption_notice.html

@@ -2,7 +2,7 @@
 {% load custom_tags %}
 {% load i18n %}
 
-{% block title %}<title>{{adoption_notice.name }}</title> %}
+{% block title %}<title>{{adoption_notice.name }}</title>{% endblock %}
 
 {% block content %}
     <div class="detail-adoption-notice-header">

src/fellchensammlung/tools/geo.py

@@ -7,7 +7,6 @@ from notfellchen import __version__ as nf_version
 from notfellchen import settings
 
 
-
 def calculate_distance_between_coordinates(position1, position2):
     """
     Calculate the distance between two points identified by coordinates
@@ -65,7 +64,8 @@ class GeoAPI:
 
     def get_coordinates_from_query(self, location_string):
         try:
-            result = self.requests.get(self.api_url, {"q": location_string, "format": "jsonv2"}, headers=self.headers).json()[0]
+            result = \
+            self.requests.get(self.api_url, {"q": location_string, "format": "jsonv2"}, headers=self.headers).json()[0]
         except IndexError:
             return None
         return result["lat"], result["lon"]
@@ -77,9 +77,9 @@ class GeoAPI:
     def get_geojson_for_query(self, location_string):
         try:
             result = self.requests.get(self.api_url,
-                                   {"q": location_string,
-                                    "format": "jsonv2"},
-                                   headers=self.headers).json()
+                                       {"q": location_string,
+                                        "format": "jsonv2"},
+                                       headers=self.headers).json()
         except Exception as e:
             logging.warning(f"Exception {e} when querying Nominatim")
             return None

src/fellchensammlung/views.py

@@ -22,6 +22,7 @@ from .models import Language, Announcement
 from .tools.geo import GeoAPI
 from .tools.metrics import gather_metrics_data
 from .tools.admin import clean_locations
+from .tasks import add_adoption_notice_location
 
 
 def user_is_trust_level_or_above(user, trust_level=User.MODERATOR):
@@ -188,11 +189,11 @@ def add_adoption_notice(request):
         if form.is_valid():
             instance = form.save(commit=False)
             instance.owner = request.user
-            """Search the location given in the location string and add it to the adoption notice"""
-            location = Location.get_location_from_string(instance.location_string)
-            instance.location = location
             instance.save()
 
+            """Spin up a task that adds the location"""
+            add_adoption_notice_location.delay_on_commit(instance.pk)
+
             # Set correct status
             if request.user.trust_level >= User.TRUST_LEVEL[User.COORDINATOR]:
                 major_status = AdoptionNoticeStatus.ACTIVE

src/notfellchen/__init__.py

@@ -1 +1,8 @@
 __version__ = "0.2.0"
+
+# This will make sure the app is always imported when
+# Django starts so that shared_task will use this app.
+from .celery import app as celery_app
+
+__all__ = ('celery_app',)
+