feat: a file for connecting to the Neo4j DB was added

neo4j_connection.py

@@ -0,0 +1,28 @@
+import os
+from neo4j import GraphDatabase
+from dotenv import load_dotenv
+load_dotenv()
+
+user = os.getenv("NEO4J_USER")
+protocol = os.getenv("NEO4J_PROTOCOL")
+password = os.getenv("NEO4J_PASSWORD")
+host = os.getenv("NEO4J_HOST")
+port = os.getenv("NEO4J_PORT")
+db_name = os.getenv("NEO4J_DB")
+
+neo4j_url = f"{protocol}://{host}:{port}"
+neo4j_auth = (user, password)
+
+driver = GraphDatabase.driver(neo4j_url, auth=neo4j_auth)
+with GraphDatabase.driver(neo4j_url, auth=neo4j_auth) as driver:
+    driver.verify_connectivity()
+
+def read(cypher, database = 'neo4j'):
+
+    records, summary, keys = driver.execute_query(cypher, database_= database)
+    return records, summary, keys
+
+def write(cypher, database = 'neo4j'):
+
+    records, summary, keys = driver.execute_query(cypher, database_= database)
+    return summary