add on_commit logic to mixin

Author: amcclosky

django_lifecycle/mixins.py

@@ -200,6 +200,8 @@ def _run_hooked_methods(self, hook: str, **kwargs) -> List[str]:
             for callback_specs in method._hooked:
                 if callback_specs["hook"] != hook:
                     continue
+                
+                on_commit = callback_specs.get("on_commit", False)
 
                 when_field = callback_specs.get("when")
                 when_any_field = callback_specs.get("when_any")
@@ -225,10 +227,26 @@ def _run_hooked_methods(self, hook: str, **kwargs) -> List[str]:
                         ]
                     ):
                         continue
+                
+                # Save method name before potentially wrapping with `on_commit`
+                method_name = method.__name__
+    
+                # Apply `on_commit` after saving the method as `fired` to preserve
+                # the non-anonymous name
+                if on_commit:
+                    # Append `_on_commit` to the existing method name to allow for firing
+                    # the same hook within the atomic transaction and on_commit
+                    method_name = method_name + "_on_commit"
+
+                    def _on_commit_func():
+                        method(self)
+                        
+                    transaction.on_commit(_on_commit_func)
+                else:
+                    method(self)
 
                 # Only call the method once per hook
-                fired.append(method.__name__)
-                method(self)
+                fired.append(method_name)
                 break
 
         return fired