1 - User model hooks in the backend

backend/users/models.py

@@ -0,0 +1,53 @@
+from django.db.models.signals import post_save, pre_save, pre_delete
+from django.dispatch import receiver
+from django.contrib.auth.models import User
+
+import requests
+
+PRIVATE_HEADERS = { "Private-Key": "2d316c69-15d1-47bb-b38d-1e4c764c6d97" }
+PUBLIC_HEADERS = { "Project-Id": "70049943-b572-4372-9f3c-fbdeca940e0f" }
+
+
+
+@receiver(post_save, sender=User)
+def create_chat_engine_user(sender, instance, created, **kwargs):
+    if created:
+        json = {
+            'username': instance.username,
+            'email': instance.email,
+            'secret': instance.password,
+            'first_name': instance.first_name,
+            'last_name': instance.last_name
+        }
+        # Create User
+        r = requests.post('https://api.chatengine.io/users/', headers=PRIVATE_HEADERS, json=json)
+        print('Create chat user', r.status_code)
+
+
+@receiver(pre_save, sender=User)
+def update_chat_engine_user(sender, instance, **kwargs):
+    try:
+        old_user = User.objects.get(id=instance.id)
+        new_user = {
+            'username': instance.username,
+            'email': instance.email,
+            'secret': instance.password,
+            'first_name': instance.first_name,
+            'last_name': instance.last_name
+        }
+        # Update User
+        PUBLIC_HEADERS["User-Name"] = old_user.username
+        PUBLIC_HEADERS["User-Secret"] = old_user.password
+        r = requests.patch('https://api.chatengine.io/users/me/', headers=PUBLIC_HEADERS, json=new_user)
+        print('Patch chat user', r.status_code)
+
+    except User.DoesNotExist:
+        pass    
+
+@receiver(pre_delete, sender=User)
+def delete_chat_engine_user(sender, instance, **kwargs):
+    # Delete User
+    PUBLIC_HEADERS["User-Name"] = instance.username
+    PUBLIC_HEADERS["User-Secret"] = instance.password
+    r = requests.delete('https://api.chatengine.io/users/me/', headers=PUBLIC_HEADERS)
+    print('Delete chat user', r.status_code)