268 lines
7.4 KiB
Elixir
268 lines
7.4 KiB
Elixir
defmodule ArchitexWeb.Client.RoomController do
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use ArchitexWeb, :controller
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import ArchitexWeb.Error
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import Ecto.{Changeset, Query}
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alias Architex.{Repo, Room, RoomServer, Event}
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alias Architex.Types.UserId
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alias ArchitexWeb.Client.Request.{CreateRoom, Kick, Ban, Messages}
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alias Ecto.Changeset
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alias Plug.Conn
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@doc """
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Create a new room with various configuration options.
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Action for POST /_matrix/client/r0/createRoom.
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"""
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def create(%Conn{assigns: %{account: account}} = conn, params) do
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case CreateRoom.changeset(params) do
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%Changeset{valid?: true} = cs ->
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input = apply_changes(cs)
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case Room.create(account, input) do
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{:ok, room_id} ->
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conn
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|> put_status(200)
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|> json(%{room_id: room_id})
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{:error, :authorization} ->
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put_error(conn, :invalid_room_state)
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{:error, :unknown} ->
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put_error(conn, :unknown)
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end
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_ ->
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put_error(conn, :bad_json)
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end
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end
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@doc """
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This API returns a list of the user's current rooms.
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Action for GET /_matrix/client/r0/joined_rooms.
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"""
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def joined_rooms(%Conn{assigns: %{account: account}} = conn, _params) do
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joined_room_ids =
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account
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|> Ecto.assoc(:joined_rooms)
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|> select([jr], jr.id)
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|> Repo.all()
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conn
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|> put_status(200)
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|> json(%{joined_rooms: joined_room_ids})
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end
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@doc """
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This API invites a user to participate in a particular room.
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Action for POST /_matrix/client/r0/rooms/{roomId}/invite.
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"""
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def invite(%Conn{assigns: %{account: account}} = conn, %{
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"room_id" => room_id,
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"user_id" => user_id
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}) do
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with {:ok, _} <- UserId.cast(user_id),
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{:ok, pid} <- RoomServer.get_room_server(room_id) do
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case RoomServer.invite(pid, account, user_id) do
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:ok ->
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conn
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|> send_resp(200, [])
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|> halt()
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{:error, _} ->
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put_error(conn, :unknown)
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end
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else
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:error -> put_error(conn, :invalid_param, "Given user ID is invalid.")
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{:error, :not_found} -> put_error(conn, :not_found, "The given room was not found.")
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end
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end
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def invite(conn, _), do: put_error(conn, :missing_param)
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@doc """
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This API starts a user participating in a particular room, if that user is allowed to participate in that room.
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Action for POST /_matrix/client/r0/rooms/{roomId}/join.
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TODO: third_party_signed
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"""
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def join(%Conn{assigns: %{account: account}} = conn, %{"room_id" => room_id}) do
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case RoomServer.get_room_server(room_id) do
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{:ok, pid} ->
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case RoomServer.join(pid, account) do
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{:ok, room_id} ->
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conn
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|> put_status(200)
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|> json(%{room_id: room_id})
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{:error, _} ->
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put_error(conn, :unknown)
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end
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{:error, :not_found} ->
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put_error(conn, :not_found, "The given room was not found.")
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end
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end
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@doc """
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This API stops a user participating in a particular room.
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Action for POST /_matrix/client/r0/rooms/{roomId}/leave.
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"""
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def leave(%Conn{assigns: %{account: account}} = conn, %{"room_id" => room_id}) do
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case RoomServer.get_room_server(room_id) do
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{:ok, pid} ->
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case RoomServer.leave(pid, account) do
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:ok ->
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conn
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|> send_resp(200, [])
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|> halt()
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{:error, _} ->
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put_error(conn, :unknown)
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end
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{:error, :not_found} ->
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put_error(conn, :not_found, "The given room was not found.")
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end
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end
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@doc """
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Kick a user from the room.
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Action for POST /_matrix/client/r0/rooms/{roomId}/kick.
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"""
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def kick(%Conn{assigns: %{account: account}} = conn, %{"room_id" => room_id} = params) do
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with {:ok, request} <- Kick.parse(params),
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{:ok, pid} <- RoomServer.get_room_server(room_id) do
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case RoomServer.kick(pid, account, request) do
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:ok ->
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conn
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|> send_resp(200, [])
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|> halt()
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{:error, _} ->
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put_error(conn, :unknown)
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end
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else
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{:error, %Ecto.Changeset{}} -> put_error(conn, :bad_json)
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{:error, :not_found} -> put_error(conn, :not_found, "Room not found.")
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end
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end
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@doc """
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Ban a user in the room.
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Action for POST /_matrix/client/r0/rooms/{roomId}/ban.
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"""
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def ban(%Conn{assigns: %{account: account}} = conn, %{"room_id" => room_id} = params) do
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with {:ok, request} <- Ban.parse(params),
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{:ok, pid} <- RoomServer.get_room_server(room_id) do
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case RoomServer.ban(pid, account, request) do
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:ok ->
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conn
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|> send_resp(200, [])
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|> halt()
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{:error, _} ->
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put_error(conn, :unknown)
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end
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else
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{:error, %Ecto.Changeset{}} -> put_error(conn, :bad_json)
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{:error, :not_found} -> put_error(conn, :not_found, "Room not found.")
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end
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end
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@doc """
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Unban a user from the room.
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Action for POST /_matrix/client/r0/rooms/{roomId}/unban.
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"""
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def unban(%Conn{assigns: %{account: account}} = conn, %{
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"room_id" => room_id,
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"user_id" => user_id
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}) do
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case RoomServer.get_room_server(room_id) do
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{:ok, pid} ->
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case RoomServer.unban(pid, account, user_id) do
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:ok ->
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conn
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|> send_resp(200, [])
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|> halt()
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{:error, _} ->
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put_error(conn, :unknown)
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end
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{:error, :not_found} ->
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put_error(conn, :not_found, "The given room was not found.")
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end
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end
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def unban(conn, _), do: put_error(conn, :missing_param)
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@doc """
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This endpoint is used to send a message event to a room.
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Action for PUT /_matrix/client/r0/rooms/{roomId}/send/{eventType}/{txnId}.
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"""
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def send_message(
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%Conn{assigns: %{account: account, device: device}, body_params: body_params} = conn,
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%{
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"room_id" => room_id,
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"event_type" => event_type,
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"txn_id" => txn_id
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}
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) do
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case RoomServer.get_room_server(room_id) do
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{:ok, pid} ->
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case RoomServer.send_message(pid, account, device, event_type, body_params, txn_id) do
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{:ok, event_id} ->
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conn
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|> put_status(200)
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|> json(%{event_id: event_id})
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{:error, _} ->
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put_error(conn, :unknown)
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end
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{:error, :not_found} ->
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put_error(conn, :not_found, "The given room was not found.")
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end
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end
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@doc """
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This API returns a list of message and state events for a room.
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Action for GET /_matrix/client/r0/rooms/{roomId}/messages.
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"""
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def messages(%Conn{assigns: %{account: account}} = conn, %{"room_id" => room_id} = params) do
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with {:ok, request} <- Messages.parse(params) do
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room_query =
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account
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|> Ecto.assoc(:joined_rooms)
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|> where([r], r.id == ^room_id)
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case Repo.one(room_query) do
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%Room{} = room ->
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{events, start, end_} = Room.get_messages(room, request)
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events = Enum.map(events, &Event.Formatters.messages_response/1)
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data = %{chunk: events}
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data = if start, do: Map.put(data, :start, Integer.to_string(start)), else: data
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data = if end_, do: Map.put(data, :end, Integer.to_string(end_)), else: data
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conn
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|> put_status(200)
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|> json(data)
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nil ->
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put_error(conn, :forbidden, "You are not participating in this room.")
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end
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else
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{:error, _} -> put_error(conn, :bad_json)
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end
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end
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end
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