Add version control context processor and integrate map functionality with dedicated JavaScript

parks/models.py

@@ -73,7 +73,50 @@ class Park(HistoricalModel):
     def save(self, *args: Any, **kwargs: Any) -> None:
         if not self.slug:
             self.slug = slugify(self.name)
-        super().save(*args, **kwargs)
+            
+        # Get the branch from context or use default
+        from history_tracking.signals import get_current_branch
+        current_branch = get_current_branch()
+        
+        if current_branch:
+            # Save in the context of the current branch
+            super().save(*args, **kwargs)
+        else:
+            # If no branch context, save in main branch
+            from history_tracking.models import VersionBranch
+            main_branch, _ = VersionBranch.objects.get_or_create(
+                name='main',
+                defaults={'metadata': {'type': 'default_branch'}}
+            )
+            
+            from history_tracking.signals import ChangesetContextManager
+            with ChangesetContextManager(branch=main_branch):
+                super().save(*args, **kwargs)
+
+    def get_version_info(self) -> dict:
+        """Get version control information for this park"""
+        from history_tracking.models import VersionBranch, ChangeSet
+        from django.contrib.contenttypes.models import ContentType
+        
+        content_type = ContentType.objects.get_for_model(self)
+        latest_changes = ChangeSet.objects.filter(
+            content_type=content_type,
+            object_id=self.pk,
+            status='applied'
+        ).order_by('-created_at')[:5]
+        
+        active_branches = VersionBranch.objects.filter(
+            changesets__content_type=content_type,
+            changesets__object_id=self.pk,
+            is_active=True
+        ).distinct()
+        
+        return {
+            'latest_changes': latest_changes,
+            'active_branches': active_branches,
+            'current_branch': get_current_branch(),
+            'total_changes': latest_changes.count()
+        }
 
     def get_absolute_url(self) -> str:
         return reverse("parks:park_detail", kwargs={"slug": self.slug})
@@ -134,7 +177,51 @@ class ParkArea(HistoricalModel):
     def save(self, *args: Any, **kwargs: Any) -> None:
         if not self.slug:
             self.slug = slugify(self.name)
-        super().save(*args, **kwargs)
+            
+        # Get the branch from context or use default
+        from history_tracking.signals import get_current_branch
+        current_branch = get_current_branch()
+        
+        if current_branch:
+            # Save in the context of the current branch
+            super().save(*args, **kwargs)
+        else:
+            # If no branch context, save in main branch
+            from history_tracking.models import VersionBranch
+            main_branch, _ = VersionBranch.objects.get_or_create(
+                name='main',
+                defaults={'metadata': {'type': 'default_branch'}}
+            )
+            
+            from history_tracking.signals import ChangesetContextManager
+            with ChangesetContextManager(branch=main_branch):
+                super().save(*args, **kwargs)
+
+    def get_version_info(self) -> dict:
+        """Get version control information for this park area"""
+        from history_tracking.models import VersionBranch, ChangeSet
+        from django.contrib.contenttypes.models import ContentType
+        
+        content_type = ContentType.objects.get_for_model(self)
+        latest_changes = ChangeSet.objects.filter(
+            content_type=content_type,
+            object_id=self.pk,
+            status='applied'
+        ).order_by('-created_at')[:5]
+        
+        active_branches = VersionBranch.objects.filter(
+            changesets__content_type=content_type,
+            changesets__object_id=self.pk,
+            is_active=True
+        ).distinct()
+        
+        return {
+            'latest_changes': latest_changes,
+            'active_branches': active_branches,
+            'current_branch': get_current_branch(),
+            'total_changes': latest_changes.count(),
+            'parent_park_branch': self.park.get_version_info()['current_branch']
+        }
 
     def get_absolute_url(self) -> str:
         return reverse(