Add client for legacy api

pyproject.toml

@@ -15,11 +15,17 @@ packages = [{include = "status_cake_exporter"}]
 include = ["status_cake_exporter"]
 reportMissingImports = false
 
+[tool.isort]
+profile = "black"
+
 [tool.poetry.dependencies]
 python = "^3.10"
 prometheus-client = "0.15.0"
 statuscake-py = "^1.0.1b1"
 typer = "^0.7.0"
+requests = "^2.28.1"
+types-requests = "^2.28.11.4"
+typing-extensions = "^4.4.0"
 
 [tool.poetry.group.dev.dependencies]
 flake8 = "^5.0.4"

status_cake_exporter/_status_cake_legacy.py

@@ -0,0 +1,44 @@
+import logging
+from typing import Any
+
+import requests
+
+logger = logging.getLogger("status_cake_legacy")
+
+
+class PaymentRequiredException(Exception):
+    pass
+
+
+class NotFoundException(Exception):
+    pass
+
+
+class StatusCakeLegacyApiClient:
+    def __init__(self, username: str, api_key: str) -> None:
+        self.api_key = api_key
+        self.username = username
+        self.base_url = "https://app.statuscake.com/API/"
+
+    def __get(self, endpoint: str, params: dict[str, str]) -> requests.Response:
+        url = f"{self.base_url}{endpoint}"
+
+        logger.debug(f"Fetching {url} with params: {params}")
+        response = requests.get(url, auth=(self.username, self.api_key), params=params)
+        response.raise_for_status()
+
+        logger.debug(f"Response: {response.content}")
+        return response
+
+    def list_maintenance_windows(self) -> list[dict[str, Any]]:
+        try:
+            response: requests.Response = self.__get("Maintenance", {"state": "ACT"})
+            return response.json()["data"]
+
+        except requests.exceptions.HTTPError as e:
+            if e.response.status_code == 404:
+                raise NotFoundException(e)
+            elif e.response.status_code == 402:
+                raise PaymentRequiredException(e)
+
+            raise e