48 lines
1.7 KiB
Python
48 lines
1.7 KiB
Python
from typing import TYPE_CHECKING
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from django.contrib import admin as django_admin
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from django.contrib.admin.exceptions import AlreadyRegistered # type: ignore
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from django.db import models
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class tMUser(models.Model):
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username = models.CharField(max_length=30, unique=True, primary_key=True)
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if TYPE_CHECKING:
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liked = models.Manager["tMMessage"]
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sent = models.Manager["tMMessage"]
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received = models.Manager["tMMessage"]
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def __str__(self) -> str:
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return self.username
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class tMMessage(models.Model):
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message_id = models.IntegerField(primary_key=True)
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content = models.CharField(max_length=10_000)
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response = models.CharField(max_length=10_000, blank=True, null=True)
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anonymous = models.BooleanField()
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likes = models.ManyToManyField(tMUser, through="tMM2MLike", related_name="liked")
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u_to = models.ForeignKey(tMUser, on_delete=models.CASCADE, related_name="received")
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if TYPE_CHECKING:
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u_from: tMUser | None
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else:
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u_from = models.ForeignKey(tMUser, on_delete=models.SET_NULL, blank=True, null=True, related_name="sent")
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def __str__(self) -> str:
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return f"({self.message_id}) {self.u_from.username if self.u_from else 'Anonymous'} messaged {self.u_to.username}"
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class tMM2MLike(models.Model):
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user = models.ForeignKey(tMUser, on_delete=models.CASCADE, related_name="liked_obj")
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message = models.ForeignKey(tMMessage, on_delete=models.CASCADE, related_name="likes_obj")
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class Meta:
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unique_together = ("user", "message")
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def __str__(self) -> str:
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return f"{self.user.username} liked message {self.message.message_id}"
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try:
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django_admin.site.register((tMUser, tMMessage, tMM2MLike))
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except AlreadyRegistered:
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...
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