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| from django.contrib.auth.models import User | |
| from django.db import models | |
| from django.utils.text import Truncator | |
| class Board(models.Model): | |
| name = models.CharField(max_length=30, unique=True) | |
| description = models.CharField(max_length=100) | |
| def __str__(self): | |
| return self.name | |
| def get_posts_count(self): | |
| return Post.objects.filter(topic__board=self).count() | |
| def get_last_post(self): | |
| return Post.objects.filter(topic__board=self).order_by('-created_at').first() | |
| class Topic(models.Model): | |
| subject = models.CharField(max_length=255) | |
| last_updated = models.DateTimeField(auto_now_add=True) | |
| board = models.ForeignKey(Board, related_name='topics') | |
| starter = models.ForeignKey(User, related_name='topics') | |
| views = models.PositiveIntegerField(default=0) | |
| def __str__(self): | |
| return self.subject | |
| class Post(models.Model): | |
| message = models.TextField(max_length=4000) | |
| topic = models.ForeignKey(Topic, related_name='posts') | |
| created_at = models.DateTimeField(auto_now_add=True) | |
| updated_at = models.DateTimeField(null=True) | |
| created_by = models.ForeignKey(User, related_name='posts') | |
| updated_by = models.ForeignKey(User, null=True, related_name='+') | |
| def __str__(self): | |
| truncated_message = Truncator(self.message) | |
| return truncated_message.chars(30) |
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