def reset_cooldown(channel_name: str) -> None:
"""
Updates the cooldown for the given channel, setting the last accessed
time to now.
"""
if channel_name[0] == "#":
channel_name = channel_name[1:]
log.error("Someplace in the code is using channels with #.")
cooldowns[channel_name] = datetime.datetime.utcnow()
async def on_message(self, message):
full_cmd = message.content.split()
if not full_cmd:
return
cmd = full_cmd[0]
if not cmd:
return
if not cmd[0] == settings["prefix"]:
return
cmd = cmd[len(settings["prefix"]):] # skip past "!"
# check cooldown for this channel.
guild = message.guild
if not guild:
return
channel = str(
guild.id) # this is a unique int representing this discord server.
author = message.author
is_mod = (author.guild_permissions.administrator
if author.guild_permissions else False)
context = CommandContext(
author=AuthorInfo(name=message.author.display_name, is_mod=is_mod),
channel=channel,
platform="discord",
)
db = Database.get()
content = " ".join(full_cmd[1:] or [])
if check_cooldown(db, context.channel):
# Enforce cooldown for this channel.
return
try:
resp = self.logic.exec(context, cmd, content)
if resp:
embed = discord.Embed(
title="LogicEFTBot",
url="https://eft.bot",
description="The Free Tarkov Bot",
color=0x780A81,
)
# embed.set_thumbnail(url="") #Will be implimented soon
embed.add_field(name=cmd.capitalize() + " check",
value=resp,
inline=True)
await message.channel.send(embed=embed)
reset_cooldown(context.channel)
except CommandNotFoundException:
# just be silent if we don't know the command.
pass
except Exception as e:
# Log all other exceptions.
log.error(
f"Exception processing command ({cmd}) for channel '{guild.name}' (id={context.channel}) -"
)
log.error(e)
traceback.print_exc()
def check_cooldown(db: Database, channel_name: str) -> bool:
"""
Returns true if the given channel is under cooldown.
(API requests should be blocked to avoid overloading backend.)
"""
if channel_name[0] == "#":
channel_name = channel_name[1:]
log.error("Someplace in the code is using channels with #.")
cooldown_time = cooldowns[channel_name] if channel_name in cooldowns else None
if cooldown_time is None:
return False # no cooldown found.
cooldown = db.get_cd(channel_name)
if cooldown is None:
cooldown = int(settings["default_cooldown"])
return not datetime.datetime.utcnow() - cooldown_time > timedelta(seconds=cooldown)
def _connect(self):
"""
Establish a connection to the server at the front of the server_list.
"""
server = self.servers.peek()
try:
self.connect(
server.host,
server.port,
self._nickname,
server.password,
ircname=self._realname,
)
except Exception as e:
log.error("Error connecting to the server: %s", str(e))
pass
def get_command_aliases(self, channel: str) -> Optional[Dict[str, str]]:
"""
Returns all of the aliases set for this channel (or None.)
"""
self.sql.execute("SELECT aliases FROM users WHERE username=%s",
(channel, ))
aliases = self.sql.fetchone()
if aliases: aliases = aliases[0]
if not aliases:
return None
try:
return cast(Dict[str, str], json.loads(aliases))
except json.decoder.JSONDecodeError:
log.error(
"Got invalid JSON while deserializing commands for channel %s",
channel)
return None
def do_command(self, context: CommandContext, event: Any, command: str,
content: Optional[str]):
c = self.connection
try:
resp = self.logic.exec(context, command, content)
if resp:
self.do_send_msg(context.channel, resp)
except CommandNotFoundException:
# just be silent if we don't know the command.
pass
except Exception as e:
# Log all other exceptions.
log.error(
f"Exception processing command ({command}) for channel ({context.channel}) -"
)
log.error(e)
traceback.print_exc()
def bot_alias(self, ctx: CommandContext, data: str) -> str:
if not ctx.author.is_mod:
return "You ain't a mod you dingus!"
parts = data.split() if data else None
if not parts or len(parts) != 2:
return "Usage: !alias <alias> <existingCommand>"
alias = parts[0].lower()
existingCommand = parts[1].lower()
if alias in self.commands:
return f"Alias `{alias}` would overwrite an existing command. Please choose another alias."
if not existingCommand in self.commands:
return "Can't set an alias to a command which doesn't exist!"
try:
self.db.add_command_alias(ctx.channel, existingCommand, alias)
return f"Set new alias ({alias}) for ({existingCommand})!"
except Exception as e:
log.error(str(e))
return "Failed to add alias."
def between_frames() -> None:
# this is run when the twitch bot has free time, roughly every 5s.
volume = bot.processed_commands
bot.processed_commands = 0
try:
commands = []
target_time = time.time() + 2
while time.time() < target_time:
# for 2 seconds, attempt to read all of the items out of the queue.
# we don't want to spend too much time here, since this is called every 5 seconds,
# and we have a responsibility to PONG the server.
try:
command = queue.get(timeout=0.1)
if command:
commands.append(command)
except Empty:
# no more items left to pull
break
for command in commands:
if command == END_OF_LIFE:
# exit command.
bot.disconnect()
# we need to be careful to empty the queue before exiting, so that
# there is not a deadlock.
# see: https://stackoverflow.com/questions/31665328/python-3-multiprocessing-queue-deadlock-when-calling-join-before-the-queue-is-em
while not queue.empty():
queue.get()
os._exit(0)
else:
feedbackQueue.put(
ShardUpdate(
status=":smiley: Healthy",
message=f"Joining #{command}",
RPM=volume,
))
# issue a join command to the twitch bot.
bot.do_join(str(command))
feedbackQueue.put(
ShardUpdate(status=bot.status,
message=bot.message,
RPM=volume))
except Exception as e:
# nothing to do.
log.error("Exception in shard: %s", str(e))
def _connect(self):
"""
Establish a connection to the server at the front of the server_list.
"""
server = self.servers.peek()
self.status = ":mobile_phone_with_arrow: Connecting"
self.message = "Reaching twitch..."
try:
self.connect(
server.host,
server.port,
self._nickname,
server.password,
ircname=self._realname,
)
self.status = ":white_heavy_check_mark: Healthy"
self.message = "Connected"
except Exception as e:
log.error("Error connecting to the server: %s", str(e))
pass
async def on_message(self, message):
full_cmd = message.content.split()
if not full_cmd:
return
cmd = full_cmd[0]
if not cmd:
return
if not cmd[0] == settings["prefix"]:
return
cmd = cmd[len(settings["prefix"]):] # skip past "!"
# check cooldown for this channel.
guild = message.guild
if not guild:
return
channel = str(
guild.id) # this is a unique int representing this discord server.
author = message.author
is_mod = (author.guild_permissions.administrator
if author.guild_permissions else False)
context = CommandContext(
author=AuthorInfo(name=message.author.display_name, is_mod=is_mod),
channel=channel,
platform="discord",
)
db = Database.get()
content = " ".join(full_cmd[1:] or [])
if check_cooldown(db, context.channel):
# Enforce cooldown for this channel.
return
try:
resp = self.logic.exec(context, cmd, content)
if isinstance(resp, str):
await message.channel.send(resp)
elif isinstance(resp, discord.Embed):
await message.channel.send(embed=resp)
else:
log.error("Unknown response: {}".format(str(resp)))
reset_cooldown(context.channel)
except CommandNotFoundException:
# just be silent if we don't know the command.
pass
except Exception as e:
# Log all other exceptions.
log.error(
f"Exception processing command ({cmd}) for channel '{guild.name}' (id={context.channel}) -"
)
log.error(e)
traceback.print_exc()