Discord channel router v1 (#10)

First version of the discord channel router for the bot – allowing us to send messages from webhooks to different channels. v1 focused mostly on github integration and pushing messages from different github boards to different channels on discord.

Co-authored-by: Cyril Bitterich <cebit-github@gunnet.de>

Author: artcz

.github/workflows/build_and_deploy.yml

@@ -33,7 +33,6 @@ jobs:
       run: |
         docker run --rm \
           -e DJANGO_SETTINGS_MODULE=intbot.settings \
-          -e DATABASE_URL=postgres://testuser:testpassword@localhost:5432/testdb \
           --network host \
           intbot \
           make in-container/tests

deploy/templates/app/intbot.env.example

@@ -13,10 +13,24 @@ POSTGRES_PASSWORD="RandomPasswordPleaseChange"
 DISCORD_BOT_TOKEN="Token Goes Here"
 DISCORD_TEST_CHANNEL_ID="123123123123123123123123"
 DISCORD_TEST_CHANNEL_NAME="#test-channel"
+DISCORD_BOARD_CHANNEL_ID="DISCORD_BOARD_CHANNEL_ID"
+DISCORD_BOARD_CHANNEL_NAME="DISCORD_BOARD_CHANNEL_NAME"
+DISCORD_EP2025_CHANNEL_ID="DISCORD_EP2025_CHANNEL_ID"
+DISCORD_EP2025_CHANNEL_NAME="DISCORD_EP2025_CHANNEL_NAME"
+DISCORD_EM_CHANNEL_ID="DISCORD_EM_CHANNEL_ID"
+DISCORD_EM_CHANNEL_NAME="DISCORD_EM_CHANNEL_NAME"
+DISCORD_WEBSITE_CHANNEL_ID="DISCORD_WEBSITE_CHANNEL_ID"
+DISCORD_WEBSITE_CHANNEL_NAME="DISCORD_WEBSITE_CHANNEL_NAME"
+DISCORD_BOT_CHANNEL_ID="DISCORD_BOT_CHANNEL_ID"
+DISCORD_BOT_CHANNEL_NAME="DISCORD_BOT_CHANNEL_NAME"
 
 # Webhooks
 WEBHOOK_INTERNAL_TOKEN="asdf"
 
 # Github
 GITHUB_API_TOKEN="github-api-token-goes-here"
 GITHUB_WEBHOOK_SECRET_TOKEN="github-webhook-secret-token"
+
+GITHUB_BOARD_PROJECT_ID="GITHUB_BOARD_PROJECT_ID"
+GITHUB_EP2025_PROJECT_ID="GITHUB_EP2025_PROJECT_ID"
+GITHUB_EM_PROJECT_ID="GITHUB_EM_PROJECT_ID"

intbot/conftest.py

@@ -0,0 +1,19 @@
+import json
+
+import pytest
+from django.conf import settings
+
+
+@pytest.fixture(scope="session")
+def github_data():
+    """Pytest fixture with examples of webhooks from github"""
+    base_path = settings.BASE_DIR / "tests" / "test_integrations" / "github"
+
+    return {
+        "project_v2_item.edited": json.load(
+            open(base_path / "project_v2_item.edited.json"),
+        ),
+        "query_result": json.load(
+            open(base_path / "query_result.json"),
+        )["data"]["node"],
+    }

intbot/core/bot/channel_router.py

@@ -0,0 +1,96 @@
+"""
+Channel router that decides where to send particular message
+"""
+
+from dataclasses import dataclass
+
+from core.integrations.github import (
+    GithubProjects,
+    GithubRepositories,
+    parse_github_webhook,
+)
+from core.models import Webhook
+from django.conf import settings
+
+
+@dataclass
+class DiscordChannel:
+    channel_id: str
+    channel_name: str
+
+
+dont_send_it = DiscordChannel(channel_id="0", channel_name="DONT_SEND_IT")
+
+
+class Channels:
+    test_channel = DiscordChannel(
+        channel_id=settings.DISCORD_TEST_CHANNEL_ID,
+        channel_name=settings.DISCORD_TEST_CHANNEL_NAME,
+    )
+
+    board_channel = DiscordChannel(
+        channel_id=settings.DISCORD_BOARD_CHANNEL_ID,
+        channel_name=settings.DISCORD_BOARD_CHANNEL_NAME,
+    )
+    ep2025_channel = DiscordChannel(
+        channel_id=settings.DISCORD_EP2025_CHANNEL_ID,
+        channel_name=settings.DISCORD_EP2025_CHANNEL_NAME,
+    )
+    em_channel = DiscordChannel(
+        channel_id=settings.DISCORD_EM_CHANNEL_ID,
+        channel_name=settings.DISCORD_EM_CHANNEL_NAME,
+    )
+    website_channel = DiscordChannel(
+        channel_id=settings.DISCORD_WEBSITE_CHANNEL_ID,
+        channel_name=settings.DISCORD_WEBSITE_CHANNEL_NAME,
+    )
+    bot_channel = DiscordChannel(
+        channel_id=settings.DISCORD_BOT_CHANNEL_ID,
+        channel_name=settings.DISCORD_BOT_CHANNEL_NAME,
+    )
+
+
+def discord_channel_router(wh: Webhook) -> DiscordChannel:
+    if wh.source == "github":
+        return github_router(wh)
+
+    elif wh.source == "internal":
+        return internal_router(wh)
+
+    return dont_send_it
+
+
+def github_router(wh: Webhook) -> DiscordChannel:
+    gwh = parse_github_webhook(wh)
+    project = gwh.get_project()
+    repository = gwh.get_repository()
+
+    # We have three github projects, that we want to route to three different
+    # channels - one for ep2025, one for EM, and one for the board.
+    PROJECTS = {
+        GithubProjects.board_project: Channels.board_channel,
+        GithubProjects.ep2025_project: Channels.ep2025_channel,
+        GithubProjects.em_project: Channels.em_channel,
+    }
+
+    if channel := PROJECTS.get(project.id):
+        return channel
+
+    # Then we have our open source repositories, like website, this bot, and
+    # some others, that we also might want to route to different channels
+    REPOSITORIES = {
+        GithubRepositories.website_repo: Channels.website_channel,
+        GithubRepositories.bot_repo: Channels.bot_channel,
+    }
+
+    if channel := REPOSITORIES.get(repository.id):
+        return channel
+
+    # Finally, we can use this to drop notifications that we don't want to
+    # support, by not sending them.
+    return dont_send_it
+
+
+def internal_router(wh: Webhook) -> DiscordChannel:
+    # For now just send all the internal messages to a test channel
+    return Channels.test_channel

intbot/core/endpoints/webhooks.py

@@ -21,6 +21,7 @@ def internal_webhook_endpoint(request):
         wh = Webhook.objects.create(
             source="internal",
             content=json.loads(request.body),
+            extra={},
         )
         process_webhook.enqueue(str(wh.uuid))
 
@@ -58,6 +59,7 @@ def github_webhook_endpoint(request):
             meta=github_headers,
             signature=signature,
             content=json.loads(request.body),
+            extra={},
         )
         process_webhook.enqueue(str(wh.uuid))
         return JsonResponse({"status": "ok"})