浅念
113 lines
5.4 KiB
Python
113 lines
5.4 KiB
Python
from django.db import models
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import secrets
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def short_public_id() -> str:
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return "site_" + secrets.token_urlsafe(12)[:16]
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class Site(models.Model):
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name = models.CharField(max_length=100)
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site_id = models.CharField(max_length=32, unique=True, default=short_public_id)
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domains = models.JSONField(default=list) # 域名白名单 ["www.example.com"]
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allow_no_origin = models.BooleanField(default=False) # 本地/demo 调试用
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is_active = models.BooleanField(default=True)
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timezone = models.CharField(max_length=64, default="Asia/Shanghai")
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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class Meta:
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db_table = "site"
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class Visitor(models.Model):
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site = models.ForeignKey(Site, on_delete=models.CASCADE, related_name="visitors")
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visitor_id = models.CharField(max_length=64)
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first_seen_at = models.DateTimeField(auto_now_add=True)
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last_seen_at = models.DateTimeField(auto_now_add=True)
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first_referrer_domain = models.CharField(max_length=200, blank=True, default="")
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first_utm = models.JSONField(default=dict, blank=True)
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first_landing_path = models.CharField(max_length=500, blank=True, default="")
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device_type = models.CharField(max_length=16, blank=True, default="")
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os = models.CharField(max_length=64, blank=True, default="")
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browser = models.CharField(max_length=64, blank=True, default="")
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language = models.CharField(max_length=32, blank=True, default="")
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timezone_name = models.CharField(max_length=64, blank=True, default="")
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screen = models.CharField(max_length=32, blank=True, default="")
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last_ip = models.GenericIPAddressField(null=True, blank=True)
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country = models.CharField(max_length=64, blank=True, default="")
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province = models.CharField(max_length=64, blank=True, default="")
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city = models.CharField(max_length=64, blank=True, default="")
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visit_count = models.PositiveIntegerField(default=0) # 会话数（服务端按新会话递增）
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active_days = models.PositiveIntegerField(default=0) # 活跃天数
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last_active_date = models.DateField(null=True, blank=True)
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is_bot = models.BooleanField(default=False) # UA 爬虫标记，报表默认排除
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class Meta:
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db_table = "visitor"
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constraints = [models.UniqueConstraint(fields=["site", "visitor_id"], name="uq_site_visitor")]
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indexes = [
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models.Index(fields=["site", "-last_seen_at"]),
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models.Index(fields=["site", "country"]),
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]
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class VisitSession(models.Model):
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site = models.ForeignKey(Site, on_delete=models.CASCADE, related_name="sessions")
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visitor = models.ForeignKey(Visitor, on_delete=models.CASCADE, related_name="sessions")
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session_id = models.CharField(max_length=64)
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started_at = models.DateTimeField()
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ended_at = models.DateTimeField()
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referrer_domain = models.CharField(max_length=200, blank=True, default="")
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utm = models.JSONField(default=dict, blank=True)
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landing_path = models.CharField(max_length=500, blank=True, default="")
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event_count = models.PositiveIntegerField(default=0)
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duration_ms = models.PositiveBigIntegerField(default=0) # 会话内事件时间跨度
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stay_ms = models.PositiveBigIntegerField(default=0) # 有效停留累计（page_stay active_ms 之和）
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class Meta:
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db_table = "visit_session"
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constraints = [models.UniqueConstraint(fields=["site", "session_id"], name="uq_site_session")]
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indexes = [models.Index(fields=["visitor", "-started_at"])]
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class Event(models.Model):
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site = models.ForeignKey(Site, on_delete=models.CASCADE, related_name="events")
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visitor = models.ForeignKey(Visitor, on_delete=models.CASCADE, related_name="events")
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session = models.ForeignKey(VisitSession, on_delete=models.CASCADE, related_name="events", null=True)
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event_id = models.CharField(max_length=64)
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event_name = models.CharField(max_length=50)
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occurred_at = models.DateTimeField()
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received_at = models.DateTimeField(auto_now_add=True)
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path = models.CharField(max_length=500, blank=True, default="")
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title = models.CharField(max_length=200, blank=True, default="")
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properties = models.JSONField(default=dict, blank=True)
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ip = models.GenericIPAddressField(null=True, blank=True)
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country = models.CharField(max_length=64, blank=True, default="")
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province = models.CharField(max_length=64, blank=True, default="")
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city = models.CharField(max_length=64, blank=True, default="")
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late = models.BooleanField(default=False)
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is_bot = models.BooleanField(default=False)
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class Meta:
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db_table = "event"
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constraints = [models.UniqueConstraint(fields=["site", "event_id"], name="uq_site_event")]
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indexes = [
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models.Index(fields=["site", "visitor", "-occurred_at"]),
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models.Index(fields=["session", "occurred_at"]),
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models.Index(fields=["site", "event_name", "-occurred_at"]),
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]
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class DailyStat(models.Model):
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site = models.ForeignKey(Site, on_delete=models.CASCADE, related_name="daily_stats")
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date = models.DateField()
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pv = models.PositiveIntegerField(default=0)
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uv = models.PositiveIntegerField(default=0)
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sessions = models.PositiveIntegerField(default=0)
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new_visitors = models.PositiveIntegerField(default=0)
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class Meta:
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db_table = "daily_stat"
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constraints = [models.UniqueConstraint(fields=["site", "date"], name="uq_site_date")]
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