akkoma/lib/pleroma/web/pleroma_api/controllers/chat_controller.ex

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# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.PleromaAPI.ChatController do
use Pleroma.Web, :controller
alias Pleroma.Chat
alias Pleroma.Object
alias Pleroma.Repo
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alias Pleroma.User
alias Pleroma.Web.CommonAPI
import Ecto.Query
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# TODO
# - Oauth stuff
# - Views / Representers
# - Error handling
def post_chat_message(%{assigns: %{user: %{id: user_id} = user}} = conn, %{
"id" => id,
"content" => content
}) do
with %Chat{} = chat <- Repo.get_by(Chat, id: id, user_id: user_id),
%User{} = recipient <- User.get_cached_by_ap_id(chat.recipient),
{:ok, activity} <- CommonAPI.post_chat_message(user, recipient, content),
message <- Object.normalize(activity) do
represented_message = %{
actor: message.data["actor"],
id: message.id,
content: message.data["content"]
}
conn
|> json(represented_message)
end
end
def messages(%{assigns: %{user: %{id: user_id} = user}} = conn, %{"id" => id}) do
with %Chat{} = chat <- Repo.get_by(Chat, id: id, user_id: user_id) do
messages =
from(o in Object,
where: fragment("?->>'type' = ?", o.data, "ChatMessage"),
where:
fragment(
"""
(?->>'actor' = ? and ?->'to' = ?)
OR (?->>'actor' = ? and ?->'to' = ?)
""",
o.data,
^user.ap_id,
o.data,
^[chat.recipient],
o.data,
^chat.recipient,
o.data,
^[user.ap_id]
),
order_by: [desc: o.id]
)
|> Repo.all()
represented_messages =
messages
|> Enum.map(fn message ->
%{
actor: message.data["actor"],
id: message.id,
content: message.data["content"]
}
end)
conn
|> json(represented_messages)
end
end
def index(%{assigns: %{user: %{id: user_id}}} = conn, _params) do
chats =
from(c in Chat,
where: c.user_id == ^user_id,
order_by: [desc: c.updated_at]
)
|> Repo.all()
represented_chats =
Enum.map(chats, fn chat ->
%{
id: chat.id,
recipient: chat.recipient,
unread: chat.unread
}
end)
conn
|> json(represented_chats)
end
def create(%{assigns: %{user: user}} = conn, params) do
recipient = params["ap_id"] |> URI.decode_www_form()
with {:ok, %Chat{} = chat} <- Chat.get_or_create(user.id, recipient) do
represented_chat = %{
id: chat.id,
recipient: chat.recipient,
unread: chat.unread
}
conn
|> json(represented_chat)
end
end
end