From ca26257b20bc70bd899aa6638c2639f9d210cac3 Mon Sep 17 00:00:00 2001
From: Jeltz <tom.barthe+aurore@ens-paris-saclay.fr>
Date: Mon, 15 Mar 2021 23:02:27 +0100
Subject: [PATCH] Initial commit

---
 bot.py | 150 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 150 insertions(+)
 create mode 100755 bot.py

diff --git a/bot.py b/bot.py
new file mode 100755
index 0000000..43791af
--- /dev/null
+++ b/bot.py
@@ -0,0 +1,150 @@
+#!/usr/bin/env python3
+import argparse
+import asyncio
+import dataclasses
+
+import aiohttp.web
+import jinja2
+import markdown
+import nio
+import yaml
+
+
+@dataclasses.dataclass
+class Config:
+    listen_addr: str
+    listen_port: int
+    matrix_homeserver: str
+    matrix_user: str
+    matrix_password: str
+    matrix_room: str
+    webhook_token: str
+
+
+TEMPLATES = {
+    "task.create": (
+        "<b>[{{ event_data.task.project_name }}]</b> "
+        "<font color='{{ event_data.task.color_id }}'>"
+        "{{ event_data.task.title }}"
+        "</font> "
+        "(#{{ event_data.task.id }}): "
+        "{{ event_author }} created the task in "
+        "'{{ event_data.task.column_title }}'\n"
+        "<blockquote>"
+        "{{ event_data.task.description | markdown }}"
+        "</blockquote>"
+    ),
+    "task.move.column": (
+        "<b>[{{ event_data.task.project_name }}]</b> "
+        "<font color='{{ event_data.task.color_id }}'>"
+        "{{ event_data.task.title }}"
+        "</font> "
+        "(#{{ event_data.task.id }}): "
+        "{{ event_author }} moved the task to "
+        "'{{ event_data.task.column_title }}'"
+    ),
+    "task.close": (
+        "<b>[{{ event_data.task.project_name }}]</b> "
+        "<font color='{{ event_data.task.color_id }}'>"
+        "{{ event_data.task.title }}"
+        "</font>"
+        "(#{{ event_data.task.id }}): "
+        "{{ event_author }} closed the task"
+    ),
+    "comment.create": (
+        "<b>[{{ event_data.task.project_name }}]</b> "
+        "<font color='{{ event_data.task.color_id }}'>"
+        "{{ event_data.task.title }}"
+        "</font> "
+        "(#{{ event_data.task.id }}): "
+        "{{ event_author }} added a comment:\n"
+        "<blockquote>"
+        "{{ event_data.comment.comment | markdown }}"
+        "</blockquote>"
+    ),
+}
+
+
+async def format_events(config, src, dest):
+
+    env = jinja2.Environment()
+    md = markdown.Markdown(extensions=["fenced_code"])
+    env.filters["markdown"] = lambda src: jinja2.Markup(md.convert(src))
+
+    while True:
+        event = await src.get()
+        print(event)
+        try:
+            template = env.from_string(TEMPLATES[event["event_name"]])
+        except KeyError:
+            print("Unknown message type:", event["event_name"])
+            continue
+
+        rendered = template.render(**event)
+        await dest.put(rendered)
+
+
+async def send_notices(config, src):
+    client = nio.AsyncClient(config.matrix_homeserver, config.matrix_user)
+    await client.login(config.matrix_password)
+
+    while True:
+        formatted = str(await src.get())
+
+        await client.room_send(
+            config.matrix_room,
+            message_type="m.room.message",
+            content={
+                "msgtype": "m.notice",
+                "format": "org.matrix.custom.html",
+                "body": formatted,  # à corriger
+                "formatted_body": formatted,
+            },
+        )
+
+
+async def run_app(config, dest):
+    async def webhook(request):
+        tokens = request.query.getall("token", [])
+        if config.webhook_token not in tokens:
+            raise aiohttp.web.HTTPForbidden("Invalid token")
+        event = await request.json()
+        await dest.put(event)
+
+    app = aiohttp.web.Application()
+    app.add_routes([aiohttp.web.post("/webhook", webhook)])
+
+    runner = aiohttp.web.AppRunner(app)
+    await runner.setup()
+    await aiohttp.web.TCPSite(
+        runner, config.listen_addr, config.listen_port
+    ).start()
+
+
+async def main():
+
+    parser = argparse.ArgumentParser()
+    parser.add_argument("-c", "--config-file", default="config.yaml")
+
+    args = parser.parse_args()
+
+    with open(args.config_file) as f:
+        config = yaml.safe_load(f)
+
+    config = Config(**config)
+
+    events = asyncio.Queue()
+    formatted = asyncio.Queue()
+
+    tasks = (
+        asyncio.create_task(run_app(config, events)),
+        asyncio.create_task(format_events(config, events, formatted)),
+        asyncio.create_task(send_notices(config, formatted)),
+    )
+
+    # on propage les exceptions
+    await asyncio.gather(*tasks, return_exceptions=False)
+
+
+if __name__ == "__main__":
+    asyncio.get_event_loop().run_until_complete(main())