109 lines
3.8 KiB
Python
109 lines
3.8 KiB
Python
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import json
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from dataclasses import dataclass
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from typing import Optional
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import requests
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from django.conf import settings
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from requests.auth import AuthBase
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from requests.models import PreparedRequest
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from apps.mattermost.exceptions import MattermostAPIException, MattermostAPITokenInvalid
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class TokenAuth(AuthBase):
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def __init__(self, token: str) -> None:
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self.token = token
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def __call__(self, request: PreparedRequest) -> PreparedRequest:
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request.headers["Authorization"] = f"Bearer {self.token}"
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return request
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@dataclass
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class MattermostUser:
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user_id: str
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username: str
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nickname: str
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@dataclass
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class MattermostChannel:
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channel_id: str
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team_id: str
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channel_name: str
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display_name: str
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@dataclass
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class MattermostPost:
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post_id: str
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channel_id: str
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user_id: str
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class MattermostClient:
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def __init__(self, token: Optional[str] = None) -> None:
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self.token = token or settings.MATTERMOST_BOT_TOKEN
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self.base_url = f"{settings.MATTERMOST_HOST}/api/v4"
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self.timeout: int = 10
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if self.token is None:
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raise MattermostAPITokenInvalid
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def _check_response(self, response: requests.models.Response):
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try:
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response.raise_for_status()
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except requests.HTTPError as ex:
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raise MattermostAPIException(
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status=ex.response.status_code,
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url=ex.response.request.url,
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msg=ex.response.json()["message"],
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method=ex.response.request.method,
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)
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except requests.Timeout as ex:
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raise MattermostAPIException(
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status=ex.response.status_code,
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url=ex.response.request.url,
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msg="Mattermost api call gateway timedout",
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method=ex.response.request.method,
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)
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except requests.exceptions.RequestException as ex:
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raise MattermostAPIException(
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status=ex.response.status_code,
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url=ex.response.request.url,
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msg="Unexpected error from mattermost server",
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method=ex.response.request.method,
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)
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def get_channel_by_id(self, channel_id: str) -> MattermostChannel:
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url = f"{self.base_url}/channels/{channel_id}"
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response = requests.get(url=url, timeout=self.timeout, auth=TokenAuth(self.token))
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self._check_response(response)
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data = response.json()
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return MattermostChannel(
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channel_id=data["id"], team_id=data["team_id"], channel_name=data["name"], display_name=data["display_name"]
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)
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def get_user(self, user_id: str = "me"):
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url = f"{self.base_url}/users/{user_id}"
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response = requests.get(url=url, timeout=self.timeout, auth=TokenAuth(self.token))
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self._check_response(response)
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data = response.json()
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return MattermostUser(user_id=data["id"], username=data["username"], nickname=data["nickname"])
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def create_post(self, channel_id: str, data: dict):
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url = f"{self.base_url}/posts"
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data.update({"channel_id": channel_id})
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response = requests.post(url=url, data=json.dumps(data), timeout=self.timeout, auth=TokenAuth(self.token))
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self._check_response(response)
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data = response.json()
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return MattermostPost(post_id=data["id"], channel_id=data["channel_id"], user_id=data["user_id"])
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def update_post(self, post_id: str, data: dict):
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url = f"{self.base_url}/posts/{post_id}"
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data.update({"id": post_id})
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response = requests.put(url=url, data=json.dumps(data), timeout=self.timeout, auth=TokenAuth(self.token))
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self._check_response(response)
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data = response.json()
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return MattermostPost(post_id=data["id"], channel_id=data["channel_id"], user_id=data["user_id"])
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