Initial commit

site/analytics/views.py

@@ -0,0 +1,79 @@
+from datetime import timedelta
+
+from django.contrib.auth.decorators import login_required
+from django.db.models import Count
+from django.shortcuts import render
+from django.utils import timezone
+
+from analytics.models import Attribution, PageView, UTMVisit
+
+
+def _bar_pct(rows, key="count"):
+    max_count = max((row[key] for row in rows), default=1) or 1
+    for row in rows:
+        row["bar_pct"] = max(12, int(100 * row[key] / max_count))
+    return rows
+
+
+@login_required
+def report(request):
+    since_30d = timezone.now() - timedelta(days=30)
+    pageviews_qs = PageView.objects.filter(created_at__gte=since_30d)
+    pageviews_last_30_days = pageviews_qs.count()
+    top_pages = list(
+        pageviews_qs.values("path").annotate(count=Count("id")).order_by("-count")[:20]
+    )
+
+    visits_by_source = _bar_pct(
+        list(
+            UTMVisit.objects.values("utm_source")
+            .annotate(count=Count("id"))
+            .order_by("-count")[:20]
+        )
+    )
+    visits_by_combo = list(
+        UTMVisit.objects.values("utm_source", "utm_medium", "utm_campaign")
+        .annotate(count=Count("id"))
+        .order_by("-count")[:50]
+    )
+    top_visit = visits_by_source[0] if visits_by_source else None
+    top_visit_campaign = (
+        UTMVisit.objects.exclude(utm_campaign="")
+        .values("utm_campaign")
+        .annotate(count=Count("id"))
+        .order_by("-count")
+        .first()
+    )
+
+    leads_by_source = _bar_pct(
+        list(
+            Attribution.objects.values("utm_source")
+            .annotate(count=Count("id"))
+            .order_by("-count")[:20]
+        )
+    )
+    leads_by_combo = list(
+        Attribution.objects.values("utm_source", "utm_medium", "utm_campaign")
+        .annotate(count=Count("id"))
+        .order_by("-count")[:50]
+    )
+
+    recent_visits = UTMVisit.objects.all()[:25]
+
+    return render(
+        request,
+        "analytics/report.html",
+        {
+            "pageviews_last_30_days": pageviews_last_30_days,
+            "top_pages": top_pages,
+            "total_visits": UTMVisit.objects.count(),
+            "total_attributed": Attribution.objects.count(),
+            "top_source": (top_visit or {}).get("utm_source") or "(direct)",
+            "top_campaign": (top_visit_campaign or {}).get("utm_campaign") or "—",
+            "visits_by_source": visits_by_source,
+            "visits_by_combo": visits_by_combo,
+            "leads_by_source": leads_by_source,
+            "leads_by_combo": leads_by_combo,
+            "recent_visits": recent_visits,
+        },
+    )