Alek Ratzloff
e2a746709d
* using Plugin.GenServer now uses Plugin.Base so that is not required * Remove Omnibot.Plugin because all it did was include Plugin.GenServer and Plugin.Base Signed-off-by: Alek Ratzloff <alekratz@gmail.com>
75 lines
1.8 KiB
Elixir
75 lines
1.8 KiB
Elixir
defmodule Omnibot.Core do
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use Omnibot.Plugin.GenServer
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alias Omnibot.State
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@default_config [channels: :all]
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@impl true
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def on_join(irc, channel, nick) do
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cfg = State.cfg()
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if nick == cfg.nick do
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add_channel(channel)
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# Sync if we join a channel we shouldn't be in
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if !Enum.member?(State.all_channels(), channel),
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do: sync_channels(irc)
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end
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end
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@impl true
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def on_part(irc, channel, nick) do
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cfg = State.cfg()
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if nick == cfg.nick do
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remove_channel(channel)
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# Sync if we join a channel we forcibly part a channel we shouldn't leave
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if Enum.member?(State.all_channels(), channel),
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do: sync_channels(irc)
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end
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end
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@impl true
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def on_kick(irc, channel, _nick, target) do
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cfg = State.cfg()
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if target == cfg.nick do
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remove_channel(channel)
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# Generally, being kicked is not intentionally leaving a channel, so always sync here
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sync_channels(irc)
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end
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end
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@impl true
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def on_msg(irc, msg) do
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case String.upcase(msg.command) do
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"001" -> sync_channels(irc)
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"PING" -> Irc.send_msg(irc, "PONG", msg.params)
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_ -> route_msg(irc, msg)
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end
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end
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@impl true
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def on_init(_cfg) do
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MapSet.new()
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end
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defp sync_channels(irc) do
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desired = MapSet.new(State.all_channels())
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present = state()
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to_join = MapSet.difference(desired, present)
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|> MapSet.to_list()
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to_part = MapSet.difference(present, desired)
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|> MapSet.to_list()
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Enum.each(to_join, fn channel -> Irc.join(irc, channel) end)
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Enum.each(to_part, fn channel -> Irc.part(irc, channel) end)
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end
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defp add_channel(channel) do
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update_state(fn state -> MapSet.put(state, channel) end)
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end
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defp remove_channel(channel) do
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update_state(fn state -> MapSet.delete(state, channel) end)
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end
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end
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