perf: 支持slack通知和认证 (#12193)

* perf: 支持slack通知和认证

* perf: 生成迁移文件

* perf: 优化获取access_token逻辑

---------

Co-authored-by: jiangweidong <weidong.jiang@fit2cloud.com>

apps/notifications/backends/__init__.py

@@ -12,6 +12,7 @@ class BACKEND(models.TextChoices):
     DINGTALK = 'dingtalk', _('DingTalk')
     SITE_MSG = 'site_msg', _('Site message')
     FEISHU = 'feishu', _('FeiShu')
+    SLACK = 'slack', _('Slack')
     # SMS = 'sms', _('SMS')
 
     @property

apps/notifications/backends/slack.py

@@ -0,0 +1,21 @@
+from django.conf import settings
+
+from common.sdk.im.slack import Slack as Client
+from .base import BackendBase
+
+
+class Slack(BackendBase):
+    account_field = 'slack_id'
+    is_enable_field_in_settings = 'AUTH_SLACK'
+
+    def __init__(self):
+        self.client = Client(
+            bot_token=settings.SLACK_BOT_TOKEN,
+        )
+
+    def send_msg(self, users, message, subject=None):
+        accounts, __, __ = self.get_accounts(users)
+        return self.client.send_text(accounts, message)
+
+
+backend = Slack

apps/notifications/notifications.py

@@ -202,6 +202,9 @@ class Message(metaclass=MessageType):
     def get_site_msg_msg(self) -> dict:
         return self.html_msg
 
+    def get_slack_msg(self) -> dict:
+        return self.markdown_msg
+
     def get_sms_msg(self) -> dict:
         return self.text_msg_with_sign