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|
defmodule LSG.IRC.TxtHandler do
@moduledoc """
# [txt](/irc/txt)
!txt
statistics, file list
+txt <file>
create new <file>
!FILE
read a random line from the file
!FILE <index>
read line #<index> from the file
!FILE <query>
return a phrase from file who matches <query>
+FILE <text>
add <text> in FILE
-FILE <index>
remove line in FILE at index <index>
"""
def irc_doc, do: @moduledoc
def start_link(client) do
GenServer.start_link(__MODULE__, [client])
end
defstruct client: nil, triggers: %{}
def init([client]) do
state = %__MODULE__{client: client}
ExIRC.Client.add_handler(client, self())
{:ok, %__MODULE__{state | triggers: load()}}
end
def handle_info({:received, "!reload", _, chan}, state) do
{:noreply, %__MODULE__{state | triggers: load()}}
end
def handle_info({:received, "!txt", _, chan}, state) do
map = Enum.map(state.triggers, fn({key, data}) ->
"#{key}: #{to_string(Enum.count(data))}"
end)
total = Enum.reduce(state.triggers, 0, fn({_, data}, acc) ->
acc + Enum.count(data)
end)
detail = Enum.join(map, ", ")
total = ". total: #{Enum.count(state.triggers)} fichiers, #{to_string(total)} lignes. Détail: https://sys.115ans.net/irc/txt"
(detail<>total)
|> String.codepoints
|> Enum.chunk_every(440)
|> Enum.map(&Enum.join/1)
|> Enum.map(fn(line) -> ExIRC.Client.msg(state.client, :privmsg, chan, line) end)
{:noreply, state}
end
def handle_info({:received, "!"<>trigger, _, chan}, state) do
{trigger, opts} = clean_trigger(trigger)
line = get_random(state.triggers, trigger, opts)
if line do
ExIRC.Client.msg(state.client, :privmsg, chan, line)
end
{:noreply, state}
end
def handle_info({:received, "+txt "<>trigger, _, chan}, state) do
{trigger, _} = clean_trigger(trigger)
if create_file(trigger) do
ExIRC.Client.msg(state.client, :privmsg, chan, "#{trigger}.txt créé. Ajouter: `+#{trigger} …` ; Lire: `!#{trigger}`")
{:noreply, %__MODULE__{state | triggers: load()}}
else
{:noreply, state}
end
end
def handle_info({:received, "+"<>trigger_and_content, _, chan}, state) do
if idx = add(state.triggers, trigger_and_content) do
ExIRC.Client.msg(state.client, :privmsg, chan, "ajouté. (#{idx})")
{:noreply, %__MODULE__{state | triggers: load()}}
else
{:noreply, state}
end
end
def handle_info({:received, "-"<>trigger_and_id, _, chan}, state) do
with \
[trigger, id] <- String.split(trigger_and_id, " ", parts: 2),
{trigger, _} = clean_trigger(trigger),
data <- Map.get(state.triggers, trigger),
{id, ""} <- Integer.parse(id),
{text, _id} <- Enum.find(data, fn({_, idx}) -> id-1 == idx end)
do
data = data |> Enum.into(Map.new)
data = Map.delete(data, text)
ExIRC.Client.msg(state.client, :privmsg, chan, "#{trigger}.txt##{id} supprimée: #{text}")
dump(trigger, data)
{:noreply, %__MODULE__{state | triggers: load()}}
else
error ->
IO.inspect("error " <> inspect(error))
{:noreply, state}
end
end
def handle_info(msg, state) do
{:noreply, state}
end
# Load/Reloads text files from disk
defp load() do
dir = env()[:directory]
Path.wildcard(dir <> "/*.txt")
|> Enum.reduce(%{}, fn(path, m) ->
file = Path.basename(path)
[key, "txt"] = String.split(file, ".", parts: 2)
data = dir <> file
|> File.read!
|> String.split("\n")
|> Enum.reject(fn(line) ->
cond do
line == "" -> true
!line -> true
true -> false
end
end)
|> Enum.with_index
Map.put(m, key, data)
end)
|> Enum.sort
|> Enum.into(Map.new)
end
defp dump(trigger, data) do
data = data
|> Enum.sort_by(fn({_, idx}) -> idx end)
|> Enum.map(fn({text, _}) -> text end)
|> Enum.join("\n")
File.write!(env()[:directory] <> "/" <> trigger <> ".txt", data<>"\n", [])
end
defp get_random(triggers, trigger, []) do
if data = Map.get(triggers, trigger) do
{data, _idx} = Enum.random(data)
data
else
nil
end
end
defp get_random(triggers, trigger, [opt]) do
arg = case Integer.parse(opt) do
{pos, ""} -> {:index, pos}
{_pos, _some_string} -> {:grep, opt}
_error -> {:grep, opt}
end
get_with_param(triggers, trigger, arg)
end
defp get_with_param(triggers, trigger, {:index, pos}) do
data = Map.get(triggers, trigger, %{})
case Enum.find(data, fn({_, index}) -> index+1 == pos end) do
{text, _} -> text
_ -> nil
end
end
defp get_with_param(triggers, trigger, {:grep, query}) do
data = Map.get(triggers, trigger, %{})
regex = Regex.compile!("#{query}", "i")
out = Enum.filter(data, fn({txt, _}) -> Regex.match?(regex, txt) end)
|> Enum.map(fn({txt, _}) -> txt end)
if !Enum.empty?(out) do
Enum.random(out)
end
end
defp create_file(name) do
File.touch!(env()[:directory] <> "/" <> name <> ".txt")
true
end
defp add(triggers, trigger_and_content) do
case String.split(trigger_and_content, " ", parts: 2) do
[trigger, content] ->
{trigger, _} = clean_trigger(trigger)
if Map.has_key?(triggers, trigger) do
File.write!(env()[:directory] <> "/" <> trigger <> ".txt", content<>"\n", [:append])
Enum.count(triggers[trigger])+1
end
_ -> false
end
end
# fixme: this is definitely the ugliest thing i've ever done
defp clean_trigger(trigger) do
[trigger | opts] = trigger
|> String.strip
|> String.split(" ", parts: 2)
trigger = trigger
|> String.downcase
|> String.replace("à", "a")
|> String.replace("ä", "a")
|> String.replace("â", "a")
|> String.replace("é", "e")
|> String.replace("è", "e")
|> String.replace("ê", "e")
|> String.replace("ë", "e")
|> String.replace("ç", "c")
|> String.replace("ï", "i")
|> String.replace("î", "i")
|> String.replace(~r/[^a-z0-9]/, "")
{trigger, opts}
end
defp env(), do: Application.get_env(:lsg, __MODULE__)
end
|
