123 lines
3.9 KiB
Python
123 lines
3.9 KiB
Python
import uuid
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from django.db import models
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from django.shortcuts import reverse
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from django.utils import timezone
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from core.models import Service, ACTIVE_USER_TIMEDELTA
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def _default_uuid():
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return str(uuid.uuid4())
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class Session(models.Model):
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uuid = models.UUIDField(default=_default_uuid, primary_key=True)
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service = models.ForeignKey(Service, on_delete=models.CASCADE, db_index=True)
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# Cross-session identification; optional, and provided by the service
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identifier = models.TextField(blank=True, db_index=True)
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# Time
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start_time = models.DateTimeField(default=timezone.now, db_index=True)
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last_seen = models.DateTimeField(default=timezone.now, db_index=True)
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# Core request information
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user_agent = models.TextField()
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browser = models.TextField()
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device = models.TextField()
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device_type = models.CharField(
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max_length=7,
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choices=[
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("PHONE", "Phone"),
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("TABLET", "Tablet"),
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("DESKTOP", "Desktop"),
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("ROBOT", "Robot"),
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("OTHER", "Other"),
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],
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default="OTHER",
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)
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os = models.TextField()
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ip = models.GenericIPAddressField(db_index=True, null=True)
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# GeoIP data
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asn = models.TextField(blank=True)
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country = models.TextField(blank=True)
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longitude = models.FloatField(null=True)
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latitude = models.FloatField(null=True)
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time_zone = models.TextField(blank=True)
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is_bounce = models.BooleanField(default=True, db_index=True)
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class Meta:
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ordering = ["-start_time"]
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indexes = [
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models.Index(fields=["service", "-start_time"]),
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models.Index(fields=["service", "-last_seen"]),
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models.Index(fields=["service", "identifier"]),
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]
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@property
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def is_currently_active(self):
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return timezone.now() - self.last_seen < ACTIVE_USER_TIMEDELTA
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@property
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def duration(self):
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return self.last_seen - self.start_time
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def __str__(self):
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return f"{self.identifier if self.identifier != '' else 'Anonymous'} @ {self.service.name} [{str(self.uuid)[:6]}]"
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def get_absolute_url(self):
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return reverse(
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"dashboard:service_session",
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kwargs={"pk": self.service.pk, "session_pk": self.uuid},
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)
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def recalculate_bounce(self):
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bounce = self.hit_set.count() == 1
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if bounce != self.is_bounce:
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self.is_bounce = bounce
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self.save()
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class Hit(models.Model):
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session = models.ForeignKey(Session, on_delete=models.CASCADE, db_index=True)
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initial = models.BooleanField(default=True, db_index=True)
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# Base request information
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start_time = models.DateTimeField(default=timezone.now, db_index=True)
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last_seen = models.DateTimeField(default=timezone.now, db_index=True)
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heartbeats = models.IntegerField(default=0)
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tracker = models.TextField(
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choices=[("JS", "JavaScript"), ("PIXEL", "Pixel (noscript)")]
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) # Tracking pixel or JS
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# Advanced page information
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location = models.TextField(blank=True, db_index=True)
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referrer = models.TextField(blank=True, db_index=True)
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load_time = models.FloatField(null=True, db_index=True)
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# While not necessary, we store the root service directly for performance.
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# It makes querying much easier; no need for inner joins.
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service = models.ForeignKey(Service, on_delete=models.CASCADE, db_index=True)
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class Meta:
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ordering = ["-start_time"]
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indexes = [
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models.Index(fields=["session", "-start_time"]),
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models.Index(fields=["service", "-start_time"]),
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models.Index(fields=["session", "location"]),
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models.Index(fields=["session", "referrer"]),
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]
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@property
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def duration(self):
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return self.last_seen - self.start_time
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def get_absolute_url(self):
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return reverse(
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"dashboard:service_session",
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kwargs={"pk": self.service.pk, "session_pk": self.session.pk},
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)
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