[batch] add billing quotes API routes and openapi spec

Author: cjllanwarne

batch/batch/billing_reporting.py

@@ -116,51 +116,6 @@ async def query_billing_projects_with_cost(
     return billing_projects
 
 
-async def query_billing_projects_without_cost(
-    db: Database, user: Optional[str] = None, billing_project: Optional[str] = None, status: Optional[str] = None
-) -> List[Dict[str, Any]]:
-    where_conditions = ["billing_projects.`status` != 'deleted'"]
-    args = []
-
-    if user:
-        where_conditions.append("JSON_CONTAINS(users, JSON_QUOTE(%s))")
-        args.append(user)
-
-    if billing_project:
-        where_conditions.append('billing_projects.name_cs = %s')
-        args.append(billing_project)
-
-    if status:
-        where_conditions.append('billing_projects.`status` = %s')
-        args.append(status)
-
-    if where_conditions:
-        where_condition = f'WHERE {" AND ".join(where_conditions)}'
-    else:
-        where_condition = ''
-
-    sql = f"""
-SELECT billing_projects.name as billing_project,
-  billing_projects.`status` as `status`,
-  users, `limit`
-FROM billing_projects
-LEFT JOIN LATERAL (
-  SELECT billing_project, JSON_ARRAYAGG(`user_cs`) as users
-  FROM billing_project_users
-  WHERE billing_project_users.billing_project = billing_projects.name
-  GROUP BY billing_project_users.billing_project
-) AS t ON TRUE
-{where_condition};
-"""
-
-    billing_projects = []
-    async for record in db.select_and_fetchall(sql, tuple(args)):
-        record['users'] = json.loads(record['users']) if record['users'] is not None else []
-        billing_projects.append(record)
-
-    return billing_projects
-
-
 async def query_billing_history(
     db: Database,
     start: datetime.datetime,