Files
discord-rss-bot/discord_rss_bot/feeds.py

133 lines
5.1 KiB
Python

from typing import Iterable
from discord_webhook import DiscordWebhook
from reader import Entry, Feed, Reader
from requests import Response
from discord_rss_bot import custom_message, settings
from discord_rss_bot.filter.blacklist import should_be_skipped
from discord_rss_bot.filter.whitelist import has_white_tags, should_be_sent
from discord_rss_bot.settings import default_custom_message, get_reader
def get_entry_from_id(entry_id: str, custom_reader: Reader | None = None) -> Entry | None:
"""
Get an entry from an ID.
Args:
entry_id: The ID of the entry.
custom_reader: If we should use a custom reader instead of the default one.
Returns:
Entry: The entry with the ID. None if it doesn't exist.
"""
# Get the default reader if we didn't get a custom one.
reader: Reader = get_reader() if custom_reader is None else custom_reader
# Get the entry from the ID, or return None if it doesn't exist.
return next((entry for entry in reader.get_entries() if entry.id == entry_id), None)
def send_entry_to_discord(entry: Entry, custom_reader: Reader | None = None):
"""
Send a single entry to Discord.
Args:
entry: The entry to send to Discord.
"""
# Get the default reader if we didn't get a custom one.
reader: Reader = get_reader() if custom_reader is None else custom_reader
# Get the webhook URL for the entry.
webhook_url: str = settings.get_webhook_for_entry(reader, entry)
if not webhook_url:
return "No webhook URL found."
# Try to get the custom message for the feed. If the user has none, we will use the default message.
if custom_message.get_custom_message(reader, entry.feed) != "":
webhook_message = custom_message.replace_tags(entry=entry, feed=entry.feed) # type: ignore
else:
webhook_message: str = default_custom_message
# Create the webhook.
webhook: DiscordWebhook = DiscordWebhook(url=webhook_url, content=webhook_message, rate_limit_retry=True)
response: Response = webhook.execute()
if not response.ok:
return f"Error sending entry to Discord: {response.text}"
def send_to_discord(custom_reader: Reader | None = None, feed: Feed | None = None, do_once: bool = False) -> None:
"""
Send entries to Discord.
If response was not ok, we will log the error and mark the entry as unread, so it will be sent again next time.
Args:
custom_reader: If we should use a custom reader instead of the default one.
feed: The feed to send to Discord.
do_once: If we should only send one entry. This is used in the test.
Returns:
Response: The response from the webhook.
"""
# Get the default reader if we didn't get a custom one.
reader: Reader = get_reader() if custom_reader is None else custom_reader
# Check for new entries for every feed.
reader.update_feeds()
# If feed is not None we will only get the entries for that feed.
if feed is None:
entries: Iterable[Entry] = reader.get_entries(read=False)
else:
entries = reader.get_entries(feed=feed, read=False)
# Loop through the unread entries.
for entry in entries:
# Set the webhook to read, so we don't send it again.
reader.set_entry_read(entry, True)
# Get the webhook URL for the entry. If it is None, we will continue to the next entry.
webhook_url: str = settings.get_webhook_for_entry(reader, entry)
if not webhook_url:
continue
# If the user has set the custom message to an empty string, we will use the default message, otherwise we will
# use the custom message.
if custom_message.get_custom_message(reader, entry.feed) != "":
webhook_message = custom_message.replace_tags(entry=entry, feed=entry.feed) # type: ignore
else:
webhook_message: str = default_custom_message
# Create the webhook.
webhook: DiscordWebhook = DiscordWebhook(url=webhook_url, content=webhook_message, rate_limit_retry=True)
# Check if the feed has a whitelist, and if it does, check if the entry is whitelisted.
if feed is not None and has_white_tags(reader, feed):
if should_be_sent(reader, entry):
response: Response = webhook.execute()
reader.set_entry_read(entry, True)
if not response.ok:
reader.set_entry_read(entry, False)
else:
reader.set_entry_read(entry, True)
continue
# Check if the entry is blacklisted, if it is, mark it as read and continue.
if should_be_skipped(reader, entry):
reader.set_entry_read(entry, True)
continue
# It was not blacklisted, and not forced through whitelist, so we will send it to Discord.
response: Response = webhook.execute()
if not response.ok:
reader.set_entry_read(entry, False)
# If we only want to send one entry, we will break the loop. This is used when testing this function.
if do_once:
break
# Update the search index.
reader.update_search()