First Commit

forum/models.py

@@ -0,0 +1,87 @@
+from django.db import models
+from users.models import User
+
+class Category(models.Model):
+    id = models.AutoField(primary_key=True)
+    name = models.CharField(max_length=50)
+    description = models.CharField(max_length=100)
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        verbose_name = 'Catégorie'
+        verbose_name_plural = 'Catégories'
+
+    def __str__(self):
+        return f'ForumCategory({self.id}, {self.name}, {self.description})'
+
+class Forum(models.Model):
+    id = models.AutoField(primary_key=True)
+    category = models.ForeignKey(Category, on_delete=models.CASCADE)
+    author = models.ForeignKey(User, on_delete=models.CASCADE)
+    name = models.CharField(max_length=50)
+    description = models.CharField(max_length=100)
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+
+    def __str__(self):
+        return f'Forum({self.id}, {self.category}, {self.name}, {self.description})'
+
+class Topic(models.Model):
+    id = models.AutoField(primary_key=True)
+    forum = models.ForeignKey(Forum, on_delete=models.CASCADE)
+    author = models.ForeignKey(User, on_delete=models.CASCADE)
+    title = models.CharField(max_length=50)
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+    state = models.CharField(max_length=10, default='open')
+
+    def save(self, *args, **kwargs):
+        if not self.id:
+            self.state = 'open'
+        super(Topic, self).save(*args, **kwargs)
+
+    def __str__(self):
+        return f'Topic({self.id}, {self.forum}, {self.title})'
+
+    def is_unread(self, user):
+        if not user.is_authenticated:
+            return False
+            
+        last_read = TopicRead.objects.filter(
+            user=user,
+            topic=self
+        ).first()
+
+        if not last_read:
+            return True
+
+        last_post = Post.objects.filter(topic=self).order_by('-created').first()
+        if not last_post:
+            return False
+
+        return last_post.created > last_read.last_read
+
+class Post(models.Model):
+    id = models.AutoField(primary_key=True)
+    topic = models.ForeignKey(Topic, on_delete=models.CASCADE, related_name='posts')
+    author = models.ForeignKey(User, on_delete=models.CASCADE, related_name='forum_author')
+    content = models.TextField()
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+    type = models.CharField(max_length=10, default='post')
+    active = models.BooleanField(default=True)
+
+    def __str__(self):
+        return f'Post({self.id}, {self.topic}, {self.author}, {self.content})'
+
+class TopicRead(models.Model):
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
+    topic = models.ForeignKey(Topic, on_delete=models.CASCADE)
+    last_read = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        unique_together = ['user', 'topic']
+
+    def __str__(self):
+        return f'TopicRead({self.id}, {self.topic}, {self.user})'