Amélioration des preformances des requêtes

src/agenda_culturel/calendar.py

@@ -242,7 +242,7 @@ class CalendarList:
             Q(other_versions__isnull=True) |
             Q(other_versions__representative=F('pk')) |
             Q(other_versions__representative__isnull=True)
-        ).order_by("start_time", "title__unaccent__lower").prefetch_related("exact_location").prefetch_related("category").prefetch_related("other_versions")
+        ).order_by("start_time", "title__unaccent__lower").prefetch_related("exact_location").prefetch_related("category").prefetch_related("other_versions").prefetch_related("other_versions__representative")
 
         firstdate = datetime.fromordinal(self.c_firstdate.toordinal())
         if firstdate.tzinfo is None or firstdate.tzinfo.utcoffset(firstdate) is None:

src/agenda_culturel/templates/agenda_culturel/page.html

@@ -65,8 +65,7 @@
                 <li>
                     <div>
                         {% if perms.agenda_culturel.view_recurrentimport %}
-                        {% show_badge_rimports "bottom" "failed" %}
-                        {% show_badge_rimports "bottom" "running" %}
+                        {% show_badges_rimports "bottom" %}
                         {% endif %}
                         {% if perms.agenda_culturel.change_event %}
                         {% show_badges_events "bottom" %}

src/agenda_culturel/templatetags/rimports_extra.py

@@ -2,7 +2,7 @@ from django import template
 from django.utils.safestring import mark_safe
 from django.urls import reverse_lazy
 from django.template.defaultfilters import pluralize
-from django.db.models import OuterRef, Subquery
+from django.db.models import OuterRef, Subquery, Count
 
 
 from agenda_culturel.models import RecurrentImport, BatchImportation
@@ -11,46 +11,54 @@ from .utils_extra import picto_from_name
 
 register = template.Library()
 
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+def badge_rimport(status, nb, suffix, picto, cl, placement):
+    return ('<a href="' 
+        + reverse_lazy("recurrent_imports_status", args=[status])
+        + '" class="badge ' + cl + '" data-placement="'
+        + placement
+        + '" data-tooltip="'
+        + str(nb)
+        + " importation"
+        + pluralize(nb)
+        + " récurrente"
+        + pluralize(nb)
+        + ' ' + suffix + '">'
+        + picto_from_name(picto)
+        + " "
+        + str(nb)
+        + "</a>")
 
 @register.simple_tag
-def show_badge_rimports(placement, status):
+def show_badges_rimports(placement):
     newest = BatchImportation.objects.filter(recurrentImport=OuterRef("pk")).order_by(
         "-created_date"
     )
-    nb = (
-        RecurrentImport.objects.annotate(
+    request = RecurrentImport.objects.annotate(
             last_run_status=Subquery(newest.values("status")[:1])
-        )
-        .filter(last_run_status=status)
-        .count()
-    )
+        ).values("last_run_status").annotate(nb_last_run_by_status=Count("last_run_status"))
 
-    if status == BatchImportation.STATUS.FAILED:
-        suffix = 'en erreur'
-        picto = "alert-triangle"
-        cl    = "error"
-    else:
-        suffix = ' en cours'
-        picto = "refresh-cw"
-        cl    = "simple"
 
-    if nb != 0:
-        return mark_safe(
-            '<a href="'
-            + reverse_lazy("recurrent_imports_status", args=[status])
-            + '" class="badge ' + cl + '" data-placement="'
-            + placement
-            + '" data-tooltip="'
-            + str(nb)
-            + " importation"
-            + pluralize(nb)
-            + " récurrente"
-            + pluralize(nb)
-            + ' ' + suffix + '">'
-            + picto_from_name(picto)
-            + " "
-            + str(nb)
-            + "</a>"
-        )
-    else:
-        return ""
+    nbs = {}
+    for res in request:
+        nbs[res["last_run_status"]] = res["nb_last_run_by_status"]
+
+    result = ""
+
+    for status in ["failed", "running"]:
+        if status in nbs and nbs[status] != 0:
+            if status == "failed":
+                suffix = 'en erreur'
+                picto = "alert-triangle"
+                cl    = "error"
+            else:
+                suffix = ' en cours'
+                picto = "refresh-cw"
+                cl    = "simple"
+            result += badge_rimport(status, nbs[status], suffix, picto, cl, placement)
+
+    return mark_safe(result)

src/agenda_culturel/templatetags/tag_extra.py

@@ -53,7 +53,7 @@ def tag_not_in_db(tag, tags):
 @register.simple_tag
 def show_suggested_tags(filter):
     filter.form.full_clean()
-    tags = Tag.objects.all().filter(principal=True).order_by("name")
+    tags = Tag.objects.all().filter(principal=True).order_by("name").prefetch_related("category")
     result = "Suggestion :"
 
     for t in tags: