Add basic channel state.

This commit is contained in:
Roger Braun 2017-12-05 09:36:26 +01:00
parent d01243c16e
commit 69f1024bb0
2 changed files with 33 additions and 1 deletions

View File

@ -20,6 +20,7 @@ def start(_type, _args) do
limit: 2500 limit: 2500
]]), ]]),
worker(Pleroma.Web.Federator, []), worker(Pleroma.Web.Federator, []),
worker(Pleroma.Web.ChatChannel.ChatChannelState, []),
] ]
++ if Mix.env == :test, do: [], else: [worker(Pleroma.Web.Streamer, [])] ++ if Mix.env == :test, do: [], else: [worker(Pleroma.Web.Streamer, [])]

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@ -1,14 +1,45 @@
defmodule Pleroma.Web.ChatChannel do defmodule Pleroma.Web.ChatChannel do
use Phoenix.Channel use Phoenix.Channel
alias Pleroma.Web.ChatChannel.ChatChannelState
def join("chat:public", _message, socket) do def join("chat:public", _message, socket) do
send(self(), :after_join)
{:ok, socket} {:ok, socket}
end end
def handle_info(:after_join, socket) do
push socket, "messages", %{messages: ChatChannelState.messages()}
{:noreply, socket}
end
def handle_in("new_msg", %{"text" => text}, socket) do def handle_in("new_msg", %{"text" => text}, socket) do
author = socket.assigns[:user] author = socket.assigns[:user]
author = Pleroma.Web.MastodonAPI.AccountView.render("account.json", user: author) author = Pleroma.Web.MastodonAPI.AccountView.render("account.json", user: author)
broadcast! socket, "new_msg", %{text: text, author: author} message= ChatChannelState.add_message(%{text: text, author: author})
broadcast! socket, "new_msg", message
{:noreply, socket} {:noreply, socket}
end end
end end
defmodule Pleroma.Web.ChatChannel.ChatChannelState do
use Agent
@max_messages 20
def start_link do
Agent.start_link(fn -> %{max_id: 1, messages: []} end, name: __MODULE__)
end
def add_message(message) do
Agent.get_and_update(__MODULE__, fn state ->
id = state[:max_id] + 1
message = Map.put(message, "id", id)
messages = [message | state[:messages]] |> Enum.take(@max_messages)
{message, %{max_id: id, messages: messages}}
end)
end
def messages() do
Agent.get(__MODULE__, fn state -> state[:messages] |> Enum.reverse end)
end
end