269 lines
9.2 KiB
Python
269 lines
9.2 KiB
Python
import asyncio
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import discord
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import logging
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import traceback
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from collections import defaultdict
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from utils.lib import utc_now
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from data import tables
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from core import Lion
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from ..module import module
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from .data import current_sessions, SessionChannelType
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from .settings import untracked_channels, hourly_reward, hourly_live_bonus, max_daily_study
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class Session:
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"""
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A `Session` is a guild member that is currently studying (i.e. that is in a tracked voice channel).
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This class acts as an opaque interface to the corresponding `sessions` data row.
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"""
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# TODO: Slots
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sessions = defaultdict(dict)
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def __init__(self, guildid, userid):
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self.guildid = guildid
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self.userid = userid
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self.key = (guildid, userid)
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@classmethod
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def get(cls, guildid, userid):
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"""
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Fetch the current session for the provided member.
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If there is no current session, returns `None`.
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"""
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return cls.sessions[guildid].get(userid, None)
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@classmethod
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def start(cls, member: discord.Member, state: discord.VoiceState):
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"""
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Start a new study session for the provided member.
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"""
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guildid = member.guild.id
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userid = member.id
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now = utc_now()
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if userid in cls.sessions[guildid]:
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raise ValueError("A session for this member already exists!")
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# TODO: Handle daily study cap
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# TODO: More reliable channel type determination
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if state.channel.id in tables.rented.row_cache:
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channel_type = SessionChannelType.RENTED
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elif state.channel.id in tables.accountability_rooms.row_cache:
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channel_type = SessionChannelType.ACCOUNTABILITY
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else:
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channel_type = SessionChannelType.STANDARD
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current_sessions.create_row(
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guildid=guildid,
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userid=userid,
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channelid=state.channel.id,
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channel_type=channel_type,
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start_time=now,
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live_start=now if (state.self_video or state.self_stream) else None,
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stream_start=now if state.self_stream else None,
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video_start=now if state.self_video else None,
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hourly_coins=hourly_reward.get(guildid).value,
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hourly_live_coins=hourly_live_bonus.get(guildid).value
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)
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session = cls(guildid, userid)
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cls.sessions[guildid][userid] = session
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return session
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@property
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def data(self):
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return current_sessions.fetch(self.key)
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def finish(self):
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"""
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Close the study session.
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"""
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self.sessions[self.guildid].pop(self.userid, None)
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# Note that save_live_status doesn't need to be called here
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# The database saving procedure will account for the values.
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current_sessions.queries.close_study_session(*self.key)
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def save_live_status(self, state: discord.VoiceState):
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"""
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Update the saved live status of the member.
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"""
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has_video = state.self_video
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has_stream = state.self_stream
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is_live = has_video or has_stream
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now = utc_now()
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data = self.data
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with data.batch_update():
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# Update video session stats
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if data.video_start:
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data.video_duration += (now - data.video_start).total_seconds()
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data.video_start = now if has_video else None
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# Update stream session stats
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if data.stream_start:
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data.stream_duration += (now - data.stream_start).total_seconds()
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data.stream_start = now if has_stream else None
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# Update overall live session stats
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if data.live_start:
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data.live_duration += (now - data.live_start).total_seconds()
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data.live_start = now if is_live else None
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async def session_voice_tracker(client, member, before, after):
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"""
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Voice update event dispatcher for study session tracking.
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"""
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guild = member.guild
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Lion.fetch(guild.id, member.id)
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session = Session.get(guild.id, member.id)
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if before.channel == after.channel:
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# Voice state change without moving channel
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if session and ((before.self_video != after.self_video) or (before.self_stream != after.self_stream)):
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# Live status has changed!
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session.save_live_status(after)
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else:
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# Member changed channel
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# End the current session and start a new one, if applicable
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# TODO: Max daily study session tasks
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# TODO: Error if before is None but we have a current session
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if session:
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# End the current session
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session.finish()
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if after.channel:
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blacklist = client.objects['blacklisted_users']
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guild_blacklist = client.objects['ignored_members'][guild.id]
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untracked = untracked_channels.get(guild.id).data
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start_session = (
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(after.channel.id not in untracked)
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and (member.id not in blacklist)
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and (member.id not in guild_blacklist)
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)
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if start_session:
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# Start a new session for the member
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Session.start(member, after)
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async def _init_session_tracker(client):
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"""
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Load ongoing saved study sessions into the session cache,
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update them depending on the current voice states,
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and attach the voice event handler.
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"""
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# Ensure the client caches are ready and guilds are chunked
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await client.wait_until_ready()
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# Pre-cache the untracked channels
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await untracked_channels.launch_task(client)
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# Log init start and define logging counters
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client.log(
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"Loading ongoing study sessions.",
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context="SESSION_INIT",
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level=logging.DEBUG
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)
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resumed = 0
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ended = 0
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# Grab all ongoing sessions from data
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rows = current_sessions.fetch_rows_where()
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# Iterate through, resume or end as needed
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for row in rows:
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if (guild := client.get_guild(row.guildid)) is not None and row.channelid is not None:
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try:
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# Load the Session
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session = Session(row.guildid, row.userid)
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# Find the channel and member voice state
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voice = None
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if channel := guild.get_channel(row.channelid):
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voice = next((member.voice for member in channel.members if member.id == row.userid), None)
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# Resume or end as required
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if voice and voice.channel:
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client.log(
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"Resuming ongoing session: {}".format(row),
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context="SESSION_INIT",
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level=logging.DEBUG
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)
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Session.sessions[row.guildid][row.userid] = session
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session.save_live_status(voice)
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resumed += 1
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else:
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client.log(
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"Ending already completed session: {}".format(row),
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context="SESSION_INIT",
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level=logging.DEBUG
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)
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session.finish()
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ended += 1
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except Exception:
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# Fatal error
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client.log(
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"Fatal error occurred initialising session: {}\n{}".format(row, traceback.format_exc()),
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context="SESSION_INIT",
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level=logging.CRITICAL
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)
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module.ready = False
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return
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# Log resumed sessions
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client.log(
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"Resumed {} ongoing study sessions, and ended {}.".format(resumed, ended),
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context="SESSION_INIT",
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level=logging.INFO
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)
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# Now iterate through members of all tracked voice channels
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# Start sessions if they don't already exist
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tracked_channels = [
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channel
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for guild in client.guilds
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for channel in guild.voice_channels
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if channel.members and channel.id not in untracked_channels.get(guild.id).data
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]
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new_members = [
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member
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for channel in tracked_channels
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for member in channel.members
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if not Session.get(member.guild.id, member.id)
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]
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for member in new_members:
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client.log(
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"Starting new session for '{}' (uid: {}) in '{}' (cid: {}) of '{}' (gid: {})".format(
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member.name,
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member.id,
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member.voice.channel.name,
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member.voice.channel.id,
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member.guild.name,
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member.guild.id
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),
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context="SESSION_INIT",
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level=logging.DEBUG
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)
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Session.start(member, member.voice)
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# Log newly started sessions
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client.log(
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"Started {} new study sessions from current voice channel members.".format(len(new_members)),
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context="SESSION_INIT",
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level=logging.INFO
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)
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# Now that we are in a valid initial state, attach the session event handler
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client.add_after_event("voice_state_update", session_voice_tracker)
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@module.launch_task
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async def launch_session_tracker(client):
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"""
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Launch the study session initialiser.
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Doesn't block on the client being ready.
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"""
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client.objects['sessions'] = Session.sessions
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asyncio.create_task(_init_session_tracker(client))
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