浅念
0b93814261
- sources/top_pages Top8 加平局次序键（referrer_domain/path）， 平局时跨请求顺序稳定 - test_dashboard 修正过时注释（b 站数据同为 refresh_daily 真实落行） pytest 79 passed 无回归。 Co-Authored-By: Claude Code <noreply@anthropic.com>
88 lines
3.9 KiB
Python
88 lines
3.9 KiB
Python
from datetime import datetime, time, timedelta
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from django.db.models import Count, Sum
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from django.utils import timezone
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from rest_framework.views import APIView
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from rest_framework.response import Response
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from tracker.api.envelope import EnvelopeMixin, ok
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from tracker.models import DailyStat, Event, Site, VisitSession, Visitor
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from tracker.services.stats import daily_counts
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METRICS = ("pv", "uv", "sessions", "new_visitors")
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def _day_bounds(date):
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"""上海自然日窗口，与 daily_counts 同款 make_aware。"""
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start = timezone.make_aware(datetime.combine(date, time.min))
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return start, start + timedelta(days=1)
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class OverviewView(EnvelopeMixin, APIView):
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def get(self, request):
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site = None
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sid = request.query_params.get("site")
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if sid:
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site = Site.objects.filter(site_id=sid).first()
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if not site:
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return Response({"code": 404, "data": None,
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"message": "site_not_found"}, status=404)
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today = timezone.localdate()
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counts = daily_counts(site, today) # 与 refresh_daily 共享口径（Task8 审查结论）
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counts["active_now"] = self._active_now(site)
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return ok({"today": counts,
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"trend": self._trend(site, today, counts),
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"sources": self._today_sources(site, today),
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"top_pages": self._today_pages(site, today)})
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@staticmethod
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def _active_now(site):
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# 5 分钟内有行为的访客（last_seen_at 有 site,-last_seen_at 索引；不用无索引的 received_at）
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q = Visitor.objects.filter(is_bot=False,
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last_seen_at__gt=timezone.now() - timedelta(minutes=5))
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if site is not None:
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q = q.filter(site=site)
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return q.count()
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def _trend(self, site, today, today_counts):
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"""DailyStat 近 30 天（缺日补零；今天一位用 daily_counts 实时值覆盖——聚合作业未跑也不缺当日）。"""
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days = 30
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start = today - timedelta(days=days - 1)
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qs = DailyStat.objects.filter(date__gte=start, date__lte=today)
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if site is not None:
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qs = qs.filter(site=site)
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rows = {r["date"]: r for r in qs.values("date").annotate(
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pv=Sum("pv"), uv=Sum("uv"), sessions=Sum("sessions"),
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new_visitors=Sum("new_visitors"))}
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out = []
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for i in range(days):
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date = start + timedelta(days=i)
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if date == today:
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out.append({"date": date.isoformat(),
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**{k: today_counts[k] for k in METRICS}})
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else:
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r = rows.get(date, {})
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out.append({"date": date.isoformat(),
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**{k: r.get(k, 0) for k in METRICS}})
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return out
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def _today_sources(self, site, today):
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start, end = _day_bounds(today)
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q = VisitSession.objects.filter(visitor__is_bot=False,
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started_at__gte=start, started_at__lt=end)
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if site is not None:
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q = q.filter(site=site)
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return [{"source": r["referrer_domain"] or "直接访问", "sessions": r["n"]}
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for r in q.values("referrer_domain")
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.annotate(n=Count("id"))
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.order_by("-n", "referrer_domain")[:8]] # 平局时次序跨请求稳定
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def _today_pages(self, site, today):
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start, end = _day_bounds(today)
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q = Event.objects.filter(is_bot=False, event_name="page_view",
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occurred_at__gte=start, occurred_at__lt=end)
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if site is not None:
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q = q.filter(site=site)
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return [{"path": r["path"], "pv": r["n"]}
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for r in q.values("path")
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.annotate(n=Count("id"))
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.order_by("-n", "path")[:8]] # 平局时次序跨请求稳定
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