Migrate to python (#265)

* Add initial python migration

* Add pylint

* Add pre-commit

* Add Dockerfile

* Add expression matching

* Use shelve to store previous matches

* Add notifications

* Calculate post age

* Update README.md

rfd_notify/notifications.py

@@ -0,0 +1,42 @@
+from typing import List
+from datetime import datetime, timezone
+
+import apprise
+from models.topic import Topic
+from models.post import Post
+from loguru import logger
+from constants import API_BASE_URL
+
+
+def send_notification(
+    topic: Topic, posts: List[Post], expression: str, servers: str
+) -> None:
+    apobj = apprise.Apprise()
+    apobj.add(servers)
+
+    subject = topic.title
+    body = f"""\
+    <b>Post age:</b> {datetime.now(timezone.utc) - datetime.fromisoformat(topic.post_time)}
+    <br>
+    <br>
+    <b>Dealer:</b> {topic.offer.dealer_name}
+    <br>
+    <br>
+    <b>Deal:</b> {topic.title}
+    <br>
+    <br>
+    <b>Post:</b> {API_BASE_URL}{topic.web_path}\
+    <br>
+    <br>
+    <b>Body:</b> {posts[0].body}
+    <br>
+    <br>
+    <b>Matched by expression:</b> {expression}
+    """
+
+    logger.debug("Sending notification")
+
+    apobj.notify(
+        body=body,
+        title=subject,
+    )