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Optimize exam collection queries by annotating exam counts and prefetching authors to improve template performance

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Ross
2025-11-07 22:16:24 +00:00
parent 00a675b715
commit b424defd57
2 changed files with 29 additions and 7 deletions
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generic/templates/generic/examcollection_list.html
+4 -6
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@@ -27,12 +27,10 @@
<span class="badge bg-secondary" title="Archived">Archived</span>
{% endif %}
{# Total exams count (sum of known related exam sets) #}
{% with a=collection.anatomy_exams.count l=collection.longs_exams.count p=collection.physics_exams.count r=collection.rapids_exams.count s=collection.sbas_exams.count %}
{% with total=a|add:l|add:p|add:r|add:s %}
<span class="badge bg-info text-dark ms-1" title="Total exams">{{ total }} exams</span>
{% endwith %}
{# Per-type badges (only show non-zero) #}
{# Use annotated counts provided by the view to avoid per-card COUNT queries #}
<span class="badge bg-info text-dark ms-1" title="Total exams">{{ collection.total_count }} exams</span>
{# Per-type badges (only show non-zero) #}
{% with a=collection.anatomy_count l=collection.longs_count p=collection.physics_count r=collection.rapids_count s=collection.sbas_count %}
{% if a %}<span class="badge bg-primary ms-1">Anatomy {{ a }}</span>{% endif %}
{% if l %}<span class="badge bg-primary ms-1">Longs {{ l }}</span>{% endif %}
{% if p %}<span class="badge bg-primary ms-1">Physics {{ p }}</span>{% endif %}