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croccybot/bot/modules/study/tracking/session_tracker.py
Conatum 65fcfe0289 feature (sessions): Core session tracker.
Base `Session` system with event trackers.
2021-10-31 20:15:32 +02:00

151 lines
5.1 KiB
Python

import asyncio
import discord
from collections import defaultdict
from utils.lib import utc_now
from ..module import module
from .data import current_sessions
from .settings import untracked_channels, hourly_reward, hourly_live_bonus, max_daily_study
class Session:
# TODO: Slots
sessions = defaultdict(dict)
def __init__(self, guildid, userid):
self.guildid = guildid
self.userid = userid
self.key = (guildid, userid)
@classmethod
def get(cls, guildid, userid):
"""
Fetch the current session for the provided member.
If there is no current session, returns `None`.
"""
return cls.sessions[guildid].get(userid, None)
@classmethod
def start(cls, member: discord.Member, state: discord.VoiceState):
"""
Start a new study session for the provided member.
"""
guildid = member.guild.id
userid = member.id
now = utc_now()
if userid in cls.sessions[guildid]:
raise ValueError("A session for this member already exists!")
# TODO: Handle daily study cap
# TODO: Calculate channel type
# TODO: Ensure lion
current_sessions.create_row(
guildid=guildid,
userid=userid,
channelid=state.channel.id,
channel_type=None,
start_time=now,
live_start=now if (state.self_video or state.self_stream) else None,
stream_start=now if state.self_stream else None,
video_start=now if state.self_video else None,
hourly_coins=hourly_reward.get(guildid).value,
hourly_live_coins=hourly_live_bonus.get(guildid).value
)
session = cls(guildid, userid)
cls.sessions[guildid][userid] = session
return session
@property
def data(self):
return current_sessions.fetch(self.key)
def finish(self):
"""
Close the study session.
"""
self.sessions[self.guildid].pop(self.userid, None)
# Note that save_live_status doesn't need to be called here
# The database saving procedure will account for the values.
current_sessions.queries.close_study_session(*self.key)
def save_live_status(self, state: discord.VoiceState):
"""
Update the saved live status of the member.
"""
has_video = state.self_video
has_stream = state.self_stream
is_live = has_video or has_stream
now = utc_now()
data = self.data
with data.batch_update():
# Update video session stats
if data.video_start:
data.video_duration += (now - data.video_start).total_seconds()
data.video_start = now if has_video else None
# Update stream session stats
if data.stream_start:
data.stream_duration += (now - data.stream_start).total_seconds()
data.stream_start = now if has_stream else None
# Update overall live session stats
if data.live_start:
data.live_duration += (now - data.live_start).total_seconds()
data.live_start = now if is_live else None
async def session_voice_tracker(client, member, before, after):
"""
Voice update event dispatcher for study session tracking.
"""
guild = member.guild
session = Session.get(guild.id, member.id)
if before.channel == after.channel:
# Voice state change without moving channel
if session and ((before.self_video != after.self_video) or (before.self_stream != after.self_stream)):
# Live status has changed!
session.save_live_status(after)
else:
# Member changed channel
# End the current session and start a new one, if applicable
# TODO: Max daily study session tasks
if session:
# End the current session
session.finish()
if after.channel:
blacklist = client.objects['blacklisted_users']
guild_blacklist = client.objects['ignored_members'][guild.id]
untracked = untracked_channels.get(guild.id).data
start_session = (
(after.channel.id not in untracked)
and (member.id not in blacklist)
and (member.id not in guild_blacklist)
)
if start_session:
# Start a new session for the member
Session.start(member, after)
async def _init_session_tracker(client):
"""
Load ongoing saved study sessions into the session cache,
update them depending on the current voice states,
and attach the voice event handler.
"""
await client.wait_until_ready()
await untracked_channels.launch_task(client)
client.add_after_event("voice_state_update", session_voice_tracker)
@module.launch_task
async def launch_session_tracker(client):
"""
Launch the study session initialiser.
Doesn't block on the client being ready.
"""
client.objects['sessions'] = Session.sessions
asyncio.create_task(_init_session_tracker(client))