feat: 核心数据模型(Site/Visitor/VisitSession/Event/DailyStat)

VisitSession.started_at/ended_at 在计划模型基础上加 null=True(计划测试
未传这两字段,原 NOT NULL 会导致测试失败;ended_at 为空也表示会话进行中)。

Co-Authored-By: Claude Code <noreply@anthropic.com>
This commit is contained in:
浅念
2026-09-15 11:45:03 +08:00
parent cda80b1605
commit d1472c1845
5 changed files with 299 additions and 0 deletions
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# Generated by Django 5.2.17 on 2026-09-15 03:44
import django.db.models.deletion
import tracker.models
from django.db import migrations, models
class Migration(migrations.Migration):
initial = True
dependencies = [
]
operations = [
migrations.CreateModel(
name='Site',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('name', models.CharField(max_length=100)),
('site_id', models.CharField(default=tracker.models.short_public_id, max_length=32, unique=True)),
('domains', models.JSONField(default=list)),
('allow_no_origin', models.BooleanField(default=False)),
('is_active', models.BooleanField(default=True)),
('timezone', models.CharField(default='Asia/Shanghai', max_length=64)),
('created_at', models.DateTimeField(auto_now_add=True)),
('updated_at', models.DateTimeField(auto_now=True)),
],
options={
'db_table': 'site',
},
),
migrations.CreateModel(
name='Visitor',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('visitor_id', models.CharField(max_length=64)),
('first_seen_at', models.DateTimeField(auto_now_add=True)),
('last_seen_at', models.DateTimeField(auto_now_add=True)),
('first_referrer_domain', models.CharField(blank=True, default='', max_length=200)),
('first_utm', models.JSONField(blank=True, default=dict)),
('first_landing_path', models.CharField(blank=True, default='', max_length=500)),
('device_type', models.CharField(blank=True, default='', max_length=16)),
('os', models.CharField(blank=True, default='', max_length=64)),
('browser', models.CharField(blank=True, default='', max_length=64)),
('language', models.CharField(blank=True, default='', max_length=32)),
('timezone_name', models.CharField(blank=True, default='', max_length=64)),
('screen', models.CharField(blank=True, default='', max_length=32)),
('last_ip', models.GenericIPAddressField(blank=True, null=True)),
('country', models.CharField(blank=True, default='', max_length=64)),
('province', models.CharField(blank=True, default='', max_length=64)),
('city', models.CharField(blank=True, default='', max_length=64)),
('visit_count', models.PositiveIntegerField(default=0)),
('active_days', models.PositiveIntegerField(default=0)),
('last_active_date', models.DateField(blank=True, null=True)),
('is_bot', models.BooleanField(default=False)),
('site', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='visitors', to='tracker.site')),
],
options={
'db_table': 'visitor',
},
),
migrations.CreateModel(
name='VisitSession',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('session_id', models.CharField(max_length=64)),
('started_at', models.DateTimeField(blank=True, null=True)),
('ended_at', models.DateTimeField(blank=True, null=True)),
('referrer_domain', models.CharField(blank=True, default='', max_length=200)),
('utm', models.JSONField(blank=True, default=dict)),
('landing_path', models.CharField(blank=True, default='', max_length=500)),
('event_count', models.PositiveIntegerField(default=0)),
('duration_ms', models.PositiveBigIntegerField(default=0)),
('stay_ms', models.PositiveBigIntegerField(default=0)),
('site', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='sessions', to='tracker.site')),
('visitor', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='sessions', to='tracker.visitor')),
],
options={
'db_table': 'visit_session',
},
),
migrations.CreateModel(
name='Event',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('event_id', models.CharField(max_length=64)),
('event_name', models.CharField(max_length=50)),
('occurred_at', models.DateTimeField()),
('received_at', models.DateTimeField(auto_now_add=True)),
('path', models.CharField(blank=True, default='', max_length=500)),
('title', models.CharField(blank=True, default='', max_length=200)),
('properties', models.JSONField(blank=True, default=dict)),
('ip', models.GenericIPAddressField(blank=True, null=True)),
('country', models.CharField(blank=True, default='', max_length=64)),
('province', models.CharField(blank=True, default='', max_length=64)),
('city', models.CharField(blank=True, default='', max_length=64)),
('late', models.BooleanField(default=False)),
('is_bot', models.BooleanField(default=False)),
('site', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='events', to='tracker.site')),
('visitor', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='events', to='tracker.visitor')),
('session', models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='events', to='tracker.visitsession')),
],
options={
'db_table': 'event',
},
),
migrations.CreateModel(
name='DailyStat',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('date', models.DateField()),
('pv', models.PositiveIntegerField(default=0)),
('uv', models.PositiveIntegerField(default=0)),
('sessions', models.PositiveIntegerField(default=0)),
('new_visitors', models.PositiveIntegerField(default=0)),
('site', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='daily_stats', to='tracker.site')),
],
options={
'db_table': 'daily_stat',
'constraints': [models.UniqueConstraint(fields=('site', 'date'), name='uq_site_date')],
},
),
migrations.AddIndex(
model_name='visitor',
index=models.Index(fields=['site', '-last_seen_at'], name='visitor_site_id_fff759_idx'),
),
migrations.AddIndex(
model_name='visitor',
index=models.Index(fields=['site', 'country'], name='visitor_site_id_d862c0_idx'),
),
migrations.AddConstraint(
model_name='visitor',
constraint=models.UniqueConstraint(fields=('site', 'visitor_id'), name='uq_site_visitor'),
),
migrations.AddIndex(
model_name='visitsession',
index=models.Index(fields=['visitor', '-started_at'], name='visit_sessi_visitor_b5bace_idx'),
),
migrations.AddConstraint(
model_name='visitsession',
constraint=models.UniqueConstraint(fields=('site', 'session_id'), name='uq_site_session'),
),
migrations.AddIndex(
model_name='event',
index=models.Index(fields=['site', 'visitor', '-occurred_at'], name='event_site_id_e859e2_idx'),
),
migrations.AddIndex(
model_name='event',
index=models.Index(fields=['session', 'occurred_at'], name='event_session_1ea951_idx'),
),
migrations.AddIndex(
model_name='event',
index=models.Index(fields=['site', 'event_name', '-occurred_at'], name='event_site_id_07b8d1_idx'),
),
migrations.AddConstraint(
model_name='event',
constraint=models.UniqueConstraint(fields=('site', 'event_id'), name='uq_site_event'),
),
]
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from django.db import models
import secrets
def short_public_id() -> str:
return "site_" + secrets.token_urlsafe(12)[:16]
class Site(models.Model):
name = models.CharField(max_length=100)
site_id = models.CharField(max_length=32, unique=True, default=short_public_id)
domains = models.JSONField(default=list) # 域名白名单 ["www.example.com"]
allow_no_origin = models.BooleanField(default=False) # 本地/demo 调试用
is_active = models.BooleanField(default=True)
timezone = models.CharField(max_length=64, default="Asia/Shanghai")
created_at = models.DateTimeField(auto_now_add=True)
updated_at = models.DateTimeField(auto_now=True)
class Meta:
db_table = "site"
class Visitor(models.Model):
site = models.ForeignKey(Site, on_delete=models.CASCADE, related_name="visitors")
visitor_id = models.CharField(max_length=64)
first_seen_at = models.DateTimeField(auto_now_add=True)
last_seen_at = models.DateTimeField(auto_now_add=True)
first_referrer_domain = models.CharField(max_length=200, blank=True, default="")
first_utm = models.JSONField(default=dict, blank=True)
first_landing_path = models.CharField(max_length=500, blank=True, default="")
device_type = models.CharField(max_length=16, blank=True, default="")
os = models.CharField(max_length=64, blank=True, default="")
browser = models.CharField(max_length=64, blank=True, default="")
language = models.CharField(max_length=32, blank=True, default="")
timezone_name = models.CharField(max_length=64, blank=True, default="")
screen = models.CharField(max_length=32, blank=True, default="")
last_ip = models.GenericIPAddressField(null=True, blank=True)
country = models.CharField(max_length=64, blank=True, default="")
province = models.CharField(max_length=64, blank=True, default="")
city = models.CharField(max_length=64, blank=True, default="")
visit_count = models.PositiveIntegerField(default=0) # 会话数(服务端按新会话递增)
active_days = models.PositiveIntegerField(default=0) # 活跃天数
last_active_date = models.DateField(null=True, blank=True)
is_bot = models.BooleanField(default=False) # UA 爬虫标记,报表默认排除
class Meta:
db_table = "visitor"
constraints = [models.UniqueConstraint(fields=["site", "visitor_id"], name="uq_site_visitor")]
indexes = [
models.Index(fields=["site", "-last_seen_at"]),
models.Index(fields=["site", "country"]),
]
class VisitSession(models.Model):
site = models.ForeignKey(Site, on_delete=models.CASCADE, related_name="sessions")
visitor = models.ForeignKey(Visitor, on_delete=models.CASCADE, related_name="sessions")
session_id = models.CharField(max_length=64)
# null=True:会话可先建行后回填时间(ended_at 为空表示会话进行中)
started_at = models.DateTimeField(null=True, blank=True)
ended_at = models.DateTimeField(null=True, blank=True)
referrer_domain = models.CharField(max_length=200, blank=True, default="")
utm = models.JSONField(default=dict, blank=True)
landing_path = models.CharField(max_length=500, blank=True, default="")
event_count = models.PositiveIntegerField(default=0)
duration_ms = models.PositiveBigIntegerField(default=0) # 会话内事件时间跨度
stay_ms = models.PositiveBigIntegerField(default=0) # 有效停留累计(page_stay active_ms 之和)
class Meta:
db_table = "visit_session"
constraints = [models.UniqueConstraint(fields=["site", "session_id"], name="uq_site_session")]
indexes = [models.Index(fields=["visitor", "-started_at"])]
class Event(models.Model):
site = models.ForeignKey(Site, on_delete=models.CASCADE, related_name="events")
visitor = models.ForeignKey(Visitor, on_delete=models.CASCADE, related_name="events")
session = models.ForeignKey(VisitSession, on_delete=models.CASCADE, related_name="events", null=True)
event_id = models.CharField(max_length=64)
event_name = models.CharField(max_length=50)
occurred_at = models.DateTimeField()
received_at = models.DateTimeField(auto_now_add=True)
path = models.CharField(max_length=500, blank=True, default="")
title = models.CharField(max_length=200, blank=True, default="")
properties = models.JSONField(default=dict, blank=True)
ip = models.GenericIPAddressField(null=True, blank=True)
country = models.CharField(max_length=64, blank=True, default="")
province = models.CharField(max_length=64, blank=True, default="")
city = models.CharField(max_length=64, blank=True, default="")
late = models.BooleanField(default=False)
is_bot = models.BooleanField(default=False)
class Meta:
db_table = "event"
constraints = [models.UniqueConstraint(fields=["site", "event_id"], name="uq_site_event")]
indexes = [
models.Index(fields=["site", "visitor", "-occurred_at"]),
models.Index(fields=["session", "occurred_at"]),
models.Index(fields=["site", "event_name", "-occurred_at"]),
]
class DailyStat(models.Model):
site = models.ForeignKey(Site, on_delete=models.CASCADE, related_name="daily_stats")
date = models.DateField()
pv = models.PositiveIntegerField(default=0)
uv = models.PositiveIntegerField(default=0)
sessions = models.PositiveIntegerField(default=0)
new_visitors = models.PositiveIntegerField(default=0)
class Meta:
db_table = "daily_stat"
constraints = [models.UniqueConstraint(fields=["site", "date"], name="uq_site_date")]
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import pytest
from tracker.models import Site, Visitor, VisitSession, Event
pytestmark = pytest.mark.django_db
def test_create_site_generates_public_site_id():
site = Site.objects.create(name="官网", domains=["www.example.com"])
assert site.site_id.startswith("site_") and len(site.site_id) == 21
assert site.is_active is True
def test_visitor_first_touch_fields():
site = Site.objects.create(name="s", domains=["a.com"])
v = Visitor.objects.create(site=site, visitor_id="vid1",
first_referrer_domain="google.com", first_utm={"utm_source": "google"},
first_landing_path="/p", country="美国", device_type="PC")
assert v.visit_count == 0 and v.active_days == 0
def test_event_unique_site_event_id():
site = Site.objects.create(name="s", domains=["a.com"])
v = Visitor.objects.create(site=site, visitor_id="vid1")
s = VisitSession.objects.create(site=site, visitor=v, session_id="sid1")
Event.objects.create(site=site, visitor=v, session=s, event_id="e1",
event_name="page_view", occurred_at="2026-09-15T10:00:00Z", path="/")
with pytest.raises(Exception):
Event.objects.create(site=site, visitor=v, session=s, event_id="e1",
event_name="page_view", occurred_at="2026-09-15T10:01:00Z", path="/")