Files
agentic-soc-platform/backend/apps/inbox/models.py

92 lines
2.9 KiB
Python

from django.conf import settings
from django.contrib.contenttypes.fields import GenericForeignKey
from django.contrib.contenttypes.models import ContentType
from django.db import models
class InboxMessage(models.Model):
KIND_SYSTEM = "system"
KIND_USER = "user"
KIND_CHOICES = (
(KIND_SYSTEM, "System"),
(KIND_USER, "User"),
)
kind = models.CharField(max_length=20, choices=KIND_CHOICES)
sender = models.ForeignKey(
settings.AUTH_USER_MODEL,
null=True,
blank=True,
on_delete=models.SET_NULL,
related_name="sent_inbox_messages",
)
parent = models.ForeignKey(
"self",
null=True,
blank=True,
on_delete=models.CASCADE,
related_name="replies",
)
recipients = models.ManyToManyField(
settings.AUTH_USER_MODEL,
through="InboxMessageRecipient",
related_name="inbox_messages",
)
attachments = models.ManyToManyField(
"attachments.Attachment",
blank=True,
related_name="inbox_messages",
)
content_type = models.ForeignKey(
ContentType,
null=True,
blank=True,
on_delete=models.SET_NULL,
)
object_id = models.CharField(max_length=255, blank=True, default="", db_index=True)
content_object = GenericForeignKey("content_type", "object_id")
resource_key = models.CharField(max_length=50, blank=True, default="")
resource_label = models.CharField(max_length=255, blank=True, default="")
body = models.TextField(blank=True, default="")
metadata = models.JSONField(default=dict, blank=True)
created_at = models.DateTimeField(auto_now_add=True)
class Meta:
db_table = "inbox_messages"
ordering = ["-created_at"]
indexes = [
models.Index(fields=["-created_at", "-id"], name="inbox_message_time_idx"),
]
def __str__(self):
sender = self.sender or "system"
return f"{self.kind} message from {sender}"
class InboxMessageRecipient(models.Model):
message = models.ForeignKey(
InboxMessage,
on_delete=models.CASCADE,
related_name="recipient_states",
)
user = models.ForeignKey(
settings.AUTH_USER_MODEL,
on_delete=models.CASCADE,
related_name="inbox_recipient_states",
)
read_at = models.DateTimeField(null=True, blank=True)
created_at = models.DateTimeField(auto_now_add=True)
class Meta:
db_table = "inbox_message_recipients"
unique_together = ("message", "user")
indexes = [
models.Index(fields=["user", "read_at"]),
models.Index(fields=["user", "created_at"]),
models.Index(fields=["user", "read_at", "message"], name="inbox_rec_user_read_msg_idx"),
]
ordering = ["-created_at"]
def __str__(self):
return f"{self.user} -> {self.message_id}"