feat: Add instance health check, allow clean locations for rescue orgs

src/fellchensammlung/tools/admin.py

@@ -0,0 +1,44 @@
+from fellchensammlung.models import AdoptionNotice, Location, RescueOrganization
+
+def clean_locations(quiet=True):
+    # ADOPTION NOTICES
+    adoption_notices_without_location = AdoptionNotice.objects.filter(location__isnull=True)
+    num_of_all = AdoptionNotice.objects.count()
+    num_without_location = adoption_notices_without_location.count()
+    if not quiet:
+        print(f"From {num_of_all} there are {num_without_location} adoption notices without location "
+            f"({num_without_location/num_of_all*100:.2f}%)")
+    for adoption_notice in adoption_notices_without_location:
+        if not quiet:
+            print(f"Searching {adoption_notice.location_string} in Nominatim")
+        location = Location.get_location_from_string(adoption_notice.location_string)
+        if location:
+            adoption_notice.location = location
+            adoption_notice.save()
+
+    adoption_notices_without_location_new = AdoptionNotice.objects.filter(location__isnull=True)
+    num_without_location_new = adoption_notices_without_location_new.count()
+    num_new = num_without_location - num_without_location_new
+    if not quiet:
+        print(f"Added {num_new} new locations")
+
+    # RESCUE ORGANIZATIONS
+    rescue_orgs_without_location = RescueOrganization.objects.filter(location__isnull=True)
+    num_of_all = RescueOrganization.objects.count()
+    num_without_location = rescue_orgs_without_location.count()
+    if not quiet:
+        print(f"From {num_of_all} there are {num_without_location} adoption notices without location "
+            f"({num_without_location/num_of_all*100:.2f}%)")
+    for rescue_org in rescue_orgs_without_location:
+        if not quiet:
+            print(f"Searching {rescue_org.location_string} in Nominatim")
+        location = Location.get_location_from_string(rescue_org.location_string)
+        if location:
+            rescue_org.location = location
+            rescue_org.save()
+
+    rescue_orgs_without_location_new = RescueOrganization.objects.filter(location__isnull=True)
+    num_without_location_new = rescue_orgs_without_location_new.count()
+    num_new = num_without_location - num_without_location_new
+    if not quiet:
+        print(f"Added {num_new} new locations")