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royalnet/royalnet_discordpy/pda.py
2021-04-26 04:39:14 +02:00

128 lines
3.4 KiB
Python

"""
The PDA ("main" class) for the :mod:`royalnet_telethon` frontend.
"""
from __future__ import annotations
import royalnet.royaltyping as t
import logging
import royalnet.engineer as engi
import enum
import discord as d
from .bullet.projectiles import DiscordMessageReceived, DiscordMessageEdited, DiscordMessageDeleted
log = logging.getLogger(__name__)
class DiscordpyPDAMode(enum.Enum):
"""
.. todo:: Document this.
"""
GLOBAL = enum.auto()
CHANNEL = enum.auto()
USER = enum.auto()
CHANNEL_USER = enum.auto()
class DiscordpyPDAImplementation(engi.ConversationListImplementation):
"""
.. todo:: Document this.
"""
@property
def namespace(self):
return "discordpy"
def __init__(self, name: str, bot_token: str,
mode: DiscordpyPDAMode = DiscordpyPDAMode.CHANNEL_USER):
super().__init__(name=name)
self.mode: DiscordpyPDAMode = mode
"""
The mode to use for mapping dispensers.
"""
self.bot_token: str = bot_token
"""
.. todo:: Document this.
"""
self.client: d.Client = d.Client()
"""
.. todo:: Document this.
"""
def _register_events(self):
"""
.. todo:: Document this.
"""
self.log.info("Registering Discord.py events...")
self.log.debug("Registering on_message...")
self.client.on_message = self._on_message
self.log.debug("Registering on_message_edit...")
self.client.on_message_edit = self._on_message_edit
self.log.debug("Registering on_message_delete...")
self.client.on_message_delete = self._on_message_delete
def _determine_key(self, message: d.Message):
"""
.. todo:: Document this.
"""
if self.mode == DiscordpyPDAMode.GLOBAL:
return None
elif self.mode == DiscordpyPDAMode.USER:
author: d.User = message.author
return author.id
elif self.mode == DiscordpyPDAMode.CHANNEL:
channel: t.Union[d.DMChannel, d.TextChannel] = message.channel
return channel.id
elif self.mode == DiscordpyPDAMode.CHANNEL_USER:
author: d.User = message.author
channel: t.Union[d.DMChannel, d.TextChannel] = message.channel
return author.id, channel.id
else:
raise TypeError("Invalid mode")
async def _on_message(self, message: d.Message):
"""
.. todo:: Document this.
"""
await self.put(
key=self._determine_key(message=message),
projectile=DiscordMessageReceived(event=message)
)
async def _on_message_edit(self, message: d.Message):
"""
.. todo:: Document this.
"""
await self.put(
key=self._determine_key(message=message),
projectile=DiscordMessageEdited(event=message)
)
async def _on_message_delete(self, message: d.Message):
"""
.. todo:: Document this.
"""
await self.put(
key=self._determine_key(message=message),
projectile=DiscordMessageDeleted(event=message)
)
async def run(self) -> t.NoReturn:
await self.client.login(token=self.bot_token)
await self.client.connect(reconnect=True)
__all__ = (
"DiscordpyPDAImplementation",
)