added delete method and query

main.py

@@ -135,6 +135,14 @@ async def update_secret(secret: Secret, current_user: dict = Depends(get_current
     return token
 
 
+@app.delete('/secret')
+async def delete_secret(secret: Secret, current_user: dict = Depends(get_current_user)):
+    """Deletes the secret with the given id"""
+    secret.user_id = current_user['id']
+    # print(secret.model_dump())
+    user_id, secret_id = queries.DELETE_SECRET(secret.model_dump())
+
+
 @app.get('/secret')
 async def list_secret(current_user: dict = Depends(get_current_user)):
     """Returns the encrypted secrets of the user."""

queries.py

@@ -143,6 +143,19 @@ UPDATE_SECRET = DbQuery(
     rows='single'
 )
 
+DELETE_SECRET = DbQuery(
+    """
+        DELETE from secrets
+        WHERE
+            user_id = :user_id
+            and id = :id
+        RETURNING user_id, id
+    """,
+    type='write',
+    returns=True,
+    rows='single'
+)
+
 GET_SECRETS = DbQuery(
     """
         SELECT *