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""" |
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byceps.announce.discord.board |
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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Announce board events on Discord via its webhooks API. |
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:Copyright: 2006-2020 Jochen Kupperschmidt |
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:License: Modified BSD, see LICENSE for details. |
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""" |
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from typing import Optional |
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from flask import current_app |
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import requests |
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from ...events.board import BoardPostingCreated, BoardTopicCreated |
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from ...services.board import board_service |
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from ...services.board.transfer.models import BoardID |
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from ...services.brand import settings_service as brand_settings_service |
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from ...signals import board as board_signals |
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from ...typing import BrandID |
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from ...util.jobqueue import enqueue |
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from ..helpers import get_screen_name_or_fallback |
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# This is a pretty basic implementation that only supports a single |
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# webhook and that fetches its configuration from a brand's setting. |
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# For now, some customization is necessary to post announcements |
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# (especially for different brands, or even different parties) to |
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# different webhooks (i.e. effectively Discord channels). |
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def send_message(board_id: BoardID, text: str) -> None: |
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"""Send text to the webhook API. |
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The endpoint URL already includes the target channel. |
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""" |
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board = board_service.find_board(board_id) |
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if not board: |
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current_app.logger.warning( |
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f'Unknown board ID "{board_id}". Not sending message to Discord.' |
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) |
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return |
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brand_id = board.brand_id |
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if not _is_enabled(brand_id): |
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current_app.logger.warning('Announcements on Discord are disabled.') |
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return |
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url = _get_webhook_url(brand_id) |
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if not url: |
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current_app.logger.warning( |
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'No webhook URL configured for announcements on Discord.' |
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) |
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return |
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text_prefix = _get_text_prefix(brand_id) |
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if text_prefix: |
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text = text_prefix + text |
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data = {'content': text} |
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requests.post(url, json=data) # Ignore response code for now. |
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def _is_enabled(brand_id: BrandID) -> bool: |
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"""Return `true' if announcements on Discord are enabled.""" |
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value = brand_settings_service.find_setting_value( |
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brand_id, 'announce_discord_enabled' |
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) |
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return value == 'true' |
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def _get_webhook_url(brand_id: BrandID) -> str: |
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"""Return the configured webhook URL.""" |
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return brand_settings_service.find_setting_value( |
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brand_id, 'announce_discord_webhook_url' |
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) |
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def _get_text_prefix(brand_id: BrandID) -> Optional[str]: |
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"""Return the configured text prefix.""" |
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return brand_settings_service.find_setting_value( |
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brand_id, 'announce_discord_text_prefix' |
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) |
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# board events |
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# Note: URLs are wrapped in `<…>` because that prevents |
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# preview embedding on Discord. |
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@board_signals.topic_created.connect |
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def _on_board_topic_created(sender, *, event: BoardTopicCreated = None) -> None: |
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enqueue(announce_board_topic_created, event) |
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def announce_board_topic_created(event: BoardTopicCreated) -> None: |
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"""Announce that someone has created a board topic.""" |
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topic_creator_screen_name = get_screen_name_or_fallback( |
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event.topic_creator_screen_name |
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) |
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text = ( |
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f'{topic_creator_screen_name} hat das Thema ' |
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f'"{event.topic_title}" erstellt: <{event.url}>' |
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) |
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send_message(event.board_id, text) |
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@board_signals.posting_created.connect |
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def _on_board_posting_created( |
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sender, *, event: BoardPostingCreated = None |
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) -> None: |
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enqueue(announce_board_posting_created, event) |
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def announce_board_posting_created(event: BoardPostingCreated) -> None: |
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"""Announce that someone has created a board posting.""" |
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if event.topic_muted: |
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return |
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posting_creator_screen_name = get_screen_name_or_fallback( |
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event.posting_creator_screen_name |
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) |
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text = ( |
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f'{posting_creator_screen_name} hat auf das Thema ' |
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f'"{event.topic_title}" geantwortet: <{event.url}>' |
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) |
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send_message(event.board_id, text) |
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byceps /
byceps
