IMage genartion service and models revamp - #Migration Runs

backend/igny8_core/business/content/models.py

@@ -568,10 +568,33 @@ class Images(SoftDeletableModel, SiteSectorBaseModel):
             models.Index(fields=['content', 'position']),
             models.Index(fields=['task', 'position']),
         ]
+        # Ensure unique position per content+image_type combination
+        constraints = [
+            models.UniqueConstraint(
+                fields=['content', 'image_type', 'position'],
+                name='unique_content_image_type_position',
+                condition=models.Q(is_deleted=False)
+            ),
+        ]
     
     objects = SoftDeleteManager()
     all_objects = models.Manager()
     
+    @property
+    def aspect_ratio(self):
+        """
+        Determine aspect ratio based on position for layout rendering.
+        Position 0, 2: square (1:1)
+        Position 1, 3: landscape (16:9 or similar)
+        Featured: always landscape
+        """
+        if self.image_type == 'featured':
+            return 'landscape'
+        elif self.image_type == 'in_article':
+            # Even positions are square, odd positions are landscape
+            return 'square' if (self.position or 0) % 2 == 0 else 'landscape'
+        return 'square'  # Default
+    
     def save(self, *args, **kwargs):
         """Track image usage when creating new images"""
         is_new = self.pk is None