chessh/lib/chessh/ssh/client/trongle_chat.ex

123 lines
2.9 KiB
Elixir

defmodule Chessh.SSH.Client.TrongleChat do
require Logger
alias Chessh.{Player, Chat, Utils, Repo, PlayerSession}
import Ecto.Query
defmodule State do
defstruct client_pid: nil,
message: "",
player_session: nil,
width: 0,
height: 0,
chats: []
end
use Chessh.SSH.Client.Screen
def handle_info(
{:new_chat, %Chat{} = chat},
%State{width: width, height: height, chats: chats} = state
) do
new_state = %State{
state
| chats: [chat | chats]
}
{:noreply, render(width, height, new_state)}
end
defp get_initial_chats() do
from(c in Chat,
order_by: [desc: c.id],
limit: 100
)
|> Repo.all()
|> Repo.preload([:chatter])
end
defp get_player(%PlayerSession{player_id: player_id}), do: Repo.get!(Player, player_id)
def init([%State{client_pid: client_pid, player_session: player_session} = state]) do
:syn.add_node_to_scopes([:chat])
:ok = :syn.join(:chat, {:tronglechat}, self())
send(client_pid, {:send_to_ssh, Utils.clear_codes()})
chats = get_initial_chats()
{:ok,
%State{
state
| chats: chats,
player_session: %PlayerSession{player_session | player: get_player(player_session)}
}}
end
def render(
_width,
_height,
%State{
client_pid: client_pid,
chats: chats,
message: message,
player_session: %PlayerSession{player: %Player{username: username}}
} = state
) do
chat_msgs =
Enum.map(chats, fn %Chat{message: message, chatter: %Player{username: chat_username}} =
_chat ->
chat_username <> "> " <> message
end)
|> Enum.join("\r\n")
prompt = username <> "> " <> message
send(
client_pid,
{:send_to_ssh,
[
Utils.clear_codes(),
prompt <> "\r\n" <> chat_msgs <> IO.ANSI.cursor(0, String.length(prompt))
]}
)
state
end
def input(
width,
height,
action,
data,
%State{
player_session: %PlayerSession{player: player},
chats: chats,
message: message
} = state
) do
appended_message =
case action do
:backspace ->
%State{state | message: String.slice(message, 0..-2)}
:return ->
if message != "" do
{:ok, saved_chat} = Repo.insert(%Chat{message: message, chatter: player})
:syn.publish(:chat, {:tronglechat}, {:new_chat, saved_chat})
%State{state | message: ""}
else
state
end
_ ->
if String.match?(data, ~r/[a-zA-Z \.!-]/) do
%State{state | message: message <> data}
else
state
end
end
render(width, height, appended_message)
end
end