all working, queries improved, date-ordered.

core/views/logbooks.py

@@ -1,10 +1,10 @@
-
+from django.db.models import Q
 from django.shortcuts import render
 from django.views.generic.list import ListView
 
 import troggle.settings as settings
 from troggle.core.models.logbooks import LogbookEntry, PersonLogEntry
-from troggle.core.models.survex import SurvexBlock
+from troggle.core.models.survex import SurvexBlock, SurvexFile
 from troggle.core.models.troggle import Expedition, Person
 from troggle.core.models.wallets import Wallet
 from troggle.core.utils import TROG
@@ -212,22 +212,13 @@ def logbookentry(request, date, slug):
 
     if this_logbookentry:
         if len(this_logbookentry) > 1:
+            # BUG
             return render(request, "object_list.html", {"object_list": this_logbookentry})
         else:
-            wallets = set()
-            allwallets = Wallet.objects.all()
-            refwallets = allwallets.filter(survexblock__date=date)
-            for r in refwallets:
-                wallets.add(r)
-
-            # Note that w.year() only works for wallets which have a valid JSON file existing
-            # This is very slow with a big lag as w.date() is a computed field
-            # Noticably slow with WSL2 and NTFS filesystem, even with caching as walletdate.
-            jwallets = allwallets.filter(walletdate=date)
-            for j in jwallets:
-                wallets.add(j)
-
-            svxothers = SurvexBlock.objects.filter(date=date)
+            # https://stackoverflow.com/questions/739776/how-do-i-do-an-or-filter-in-a-django-query
+            wallets = Wallet.objects.filter(Q(survexblock__date=date) | Q(walletdate=date)).distinct()
+            svxothers = SurvexFile.objects.filter(survexblock__date=date).distinct()
+            
             this_logbookentry = this_logbookentry[0]
             # This is the only page that uses next_.. and prev_..
             # and it is calculated on the fly in the model