adding features for social network

backend/social/posts/models.py

@@ -1,3 +1,42 @@
 from django.db import models
 
-# Create your models here.
+from django.conf import settings
+import magic
+
+mime = magic.Magic(mime=True)
+
+
+class Post(models.Model):
+    content = models.TextField(blank=True)
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    author = models.ForeignKey(
+        settings.AUTH_USER_MODEL,
+        on_delete=models.CASCADE,
+        related_name='posts'
+    )
+    
+    hub = models.ForeignKey(
+        'pages.Hub',
+        on_delete=models.CASCADE,
+        null=True,
+        blank=True
+    )
+    
+    def __str__(self):
+        return f"Post {self.id}"
+    
+class PostContent(models.Model):
+    post = models.ForeignKey(Post, related_name='contents', on_delete=models.CASCADE)
+    mime_type = models.CharField(max_length=100)
+    file = models.FileField(upload_to='post_contents/', null=True, blank=True)  # For images/videos
+    alt_text = models.TextField(blank=True, null=True)  # For text content
+
+    def __str__(self):
+        return f"Content for Post {self.post.id} - Type: {self.mime_type}"
+    
+    def save(self, *args, **kwargs):
+        if self.file and not self.file._committed:
+            self.mime_type = mime.from_buffer(self.file.read(1024))
+        return super().save(*args, **kwargs)