feat: Add delete to neo4j aura

cognee/infrastructure/databases/graph/neo4j_driver/Neo4jAuraDevDatasetDatabaseHandler.py

@@ -1,10 +1,12 @@
 import os
+import aiohttp
 import asyncio
 import requests
 import base64
 import hashlib
 from uuid import UUID
 from typing import Optional
+from urllib.parse import urlparse
 from cryptography.fernet import Fernet
 
 from cognee.infrastructure.databases.graph import get_graph_config
@@ -26,6 +28,13 @@ class Neo4jAuraDevDatasetDatabaseHandler(DatasetDatabaseHandlerInterface):
     - Requests should be made async, currently a blocking requests library is used.
     """
 
+    # Client credentials and encryption
+    client_id = os.environ.get("NEO4J_CLIENT_ID", None)
+    client_secret = os.environ.get("NEO4J_CLIENT_SECRET", None)
+    tenant_id = os.environ.get("NEO4J_TENANT_ID", None)
+    encryption_env_key = os.environ.get("NEO4J_ENCRYPTION_KEY", "test_key")
+    encryption_key = base64.urlsafe_b64encode(hashlib.sha256(encryption_env_key.encode()).digest())
+
     @classmethod
     async def create_dataset(cls, dataset_id: Optional[UUID], user: Optional[User]) -> dict:
         """
@@ -48,31 +57,14 @@ class Neo4jAuraDevDatasetDatabaseHandler(DatasetDatabaseHandlerInterface):
 
         graph_db_name = f"{dataset_id}"
 
-        # Client credentials and encryption
-        client_id = os.environ.get("NEO4J_CLIENT_ID", None)
-        client_secret = os.environ.get("NEO4J_CLIENT_SECRET", None)
-        tenant_id = os.environ.get("NEO4J_TENANT_ID", None)
-        encryption_env_key = os.environ.get("NEO4J_ENCRYPTION_KEY", "test_key")
-        encryption_key = base64.urlsafe_b64encode(
-            hashlib.sha256(encryption_env_key.encode()).digest()
-        )
-        cipher = Fernet(encryption_key)
+        cipher = Fernet(cls.encryption_key)
 
-        if client_id is None or client_secret is None or tenant_id is None:
+        if cls.client_id is None or cls.client_secret is None or cls.tenant_id is None:
             raise ValueError(
                 "NEO4J_CLIENT_ID, NEO4J_CLIENT_SECRET, and NEO4J_TENANT_ID environment variables must be set to use Neo4j Aura DatasetDatabase Handling."
             )
 
-        # Make the request with HTTP Basic Auth
-        def get_aura_token(client_id: str, client_secret: str) -> dict:
-            url = "https://api.neo4j.io/oauth/token"
-            data = {"grant_type": "client_credentials"}  # sent as application/x-www-form-urlencoded
-
-            resp = requests.post(url, data=data, auth=(client_id, client_secret))
-            resp.raise_for_status()  # raises if the request failed
-            return resp.json()
-
-        resp = get_aura_token(client_id, client_secret)
+        resp = await cls._get_aura_token(cls.client_id, cls.client_secret)
 
         url = "https://api.neo4j.io/v1/instances"
 
@@ -92,7 +84,7 @@ class Neo4jAuraDevDatasetDatabaseHandler(DatasetDatabaseHandlerInterface):
                 0:29
             ],  # TODO: Find better name to name Neo4j instance within 30 character limit
             "type": "professional-db",
-            "tenant_id": tenant_id,
+            "tenant_id": cls.tenant_id,
             "cloud_provider": "gcp",
         }
 
@@ -165,4 +157,31 @@ class Neo4jAuraDevDatasetDatabaseHandler(DatasetDatabaseHandlerInterface):
 
     @classmethod
     async def delete_dataset(cls, dataset_database: DatasetDatabase):
-        pass
+        # Get dataset database information and credentials
+        dataset_database = await cls.resolve_dataset_connection_info(dataset_database)
+
+        parsed_url = urlparse(dataset_database.graph_database_url)
+        instance_id = parsed_url.hostname.split(".")[0]
+
+        url = f"https://api.neo4j.io/v1/instances/{instance_id}"
+
+        # Get access token for Neo4j Aura API
+        resp = await cls._get_aura_token(cls.client_id, cls.client_secret)
+
+        headers = {
+            "accept": "application/json",
+            "Authorization": f"Bearer {resp['access_token']}",
+            "Content-Type": "application/json",
+        }
+
+        response = requests.delete(url, headers=headers)
+        return response
+
+    @classmethod
+    async def _get_aura_token(cls, client_id: str, client_secret: str) -> dict:
+        url = "https://api.neo4j.io/oauth/token"
+        data = {"grant_type": "client_credentials"}  # sent as application/x-www-form-urlencoded
+
+        resp = requests.post(url, data=data, auth=(client_id, client_secret))
+        resp.raise_for_status()  # raises if the request failed
+        return resp.json()