live_beats/lib/live_beats_web/live/player_live.ex
2021-11-10 14:49:38 -05:00

207 lines
6.7 KiB
Elixir

defmodule LiveBeatsWeb.PlayerLive do
use LiveBeatsWeb, {:live_view, container: {:div, []}}
alias LiveBeats.MediaLibrary
alias LiveBeats.MediaLibrary.Song
on_mount {LiveBeatsWeb.UserAuth, :current_user}
def render(assigns) do
~H"""
<!-- player -->
<div id="audio-player" phx-hook="AudioPlayer" class="w-full" >
<div phx-update="ignore">
<audio></audio>
</div>
<div class="bg-white dark:bg-gray-800 p-4">
<div class="flex items-center space-x-3.5 sm:space-x-5 lg:space-x-3.5 xl:space-x-5">
<div class="pr-5">
<div class="min-w-0 max-w-xs flex-col space-y-0.5">
<h2 class="text-black dark:text-white text-sm sm:text-sm lg:text-sm xl:text-sm font-semibold truncate">
<%= if @song, do: @song.title, else: raw("&nbsp;") %>
</h2>
<p class="text-gray-500 dark:text-gray-400 text-sm sm:text-sm lg:text-sm xl:text-sm font-medium">
<%= if @song, do: @song.artist, else: raw("&nbsp;") %>
</p>
</div>
</div>
<.progress_bar id="player-progress" />
<div class="text-gray-500 dark:text-gray-400 flex-row justify-between text-sm font-medium tabular-nums"
phx-update="ignore">
<div id="player-time"></div>
<div id="player-duration"></div>
</div>
</div>
</div>
<div class="bg-gray-50 text-black dark:bg-gray-900 dark:text-white px-1 sm:px-3 lg:px-1 xl:px-3 grid grid-cols-5 items-center">
<button type="button" class="mx-auto scale-75">
<svg width="24" height="24" fill="none">
<path d="M5 5a2 2 0 012-2h10a2 2 0 012 2v16l-7-3.5L5 21V5z" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" />
</svg>
</button>
<!-- prev -->
<button type="button" class="sm:block xl:block mx-auto scale-75" phx-click="prev-song">
<svg width="17" height="18">
<path d="M0 0h2v18H0V0zM4 9l13-9v18L4 9z" fill="currentColor" />
</svg>
</button>
<!-- /prev -->
<!-- pause -->
<button type="button" class="mx-auto scale-75" phx-click={JS.push("play_pause") |> js_play_pause()}>
<%= if @playing do %>
<svg id="player-pause" width="50" height="50" fill="none">
<circle class="text-gray-300 dark:text-gray-500" cx="25" cy="25" r="24" stroke="currentColor" stroke-width="1.5" />
<path d="M18 16h4v18h-4V16zM28 16h4v18h-4z" fill="currentColor" />
</svg>
<% else %>
<svg id="player-play" width="50" height="50" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor">
<circle id="svg_1" stroke-width="0.8" stroke="currentColor" r="11.4" cy="12" cx="12" class="text-gray-300 dark:text-gray-500"/>
<path stroke="null" fill="currentColor" transform="rotate(90 12.8947 12.3097)" id="svg_6" d="m9.40275,15.10014l3.49194,-5.58088l3.49197,5.58088l-6.98391,0z" stroke-width="1.5" fill="none"/>
</svg>
<% end %>
</button>
<!-- /pause -->
<!-- next -->
<button type="button" class="mx-auto scale-75" phx-click="next-song">
<svg width="17" height="18" viewBox="0 0 17 18" fill="none">
<path d="M17 0H15V18H17V0Z" fill="currentColor" />
<path d="M13 9L0 0V18L13 9Z" fill="currentColor" />
</svg>
</button>
<!-- next -->
</div>
<.modal
id="enable-audio"
on_confirm={js_listen_now() |> hide_modal("enable-audio")}
data-js-show={show_modal("enable-audio")}
>
<:title>Start Listening now</:title>
Your browser needs a click event to enable playback
<:confirm>Listen Now</:confirm>
</.modal>
</div>
<!-- /player -->
"""
end
def mount(_parmas, _session, socket) do
if connected?(socket) and socket.assigns.current_user do
MediaLibrary.subscribe(socket.assigns.current_user)
send(self(), :play_current)
end
socket =
assign(socket,
song: nil,
playing: false,
current_user_id: socket.assigns.current_user.id,
# todo use actual room user id
room_user_id: socket.assigns.current_user.id
)
{:ok, socket, layout: false, temporary_assigns: [current_user: nil]}
end
def handle_event("play_pause", _, socket) do
%{song: song, playing: playing} = socket.assigns
cond do
song && playing ->
MediaLibrary.pause_song(song)
{:noreply, assign(socket, playing: false)}
song ->
MediaLibrary.play_song(song)
{:noreply, assign(socket, playing: true)}
true ->
{:noreply, assign(socket, playing: false)}
end
end
def handle_event("next-song", _, socket) do
if socket.assigns.song do
MediaLibrary.play_next_song(socket.assigns.song.user_id)
end
{:noreply, socket}
end
def handle_event("prev-song", _, socket) do
if socket.assigns.song do
MediaLibrary.play_prev_song(socket.assigns.song.user_id)
end
{:noreply, socket}
end
def handle_event("next-song-auto", _, socket) do
if socket.assigns.song do
MediaLibrary.play_next_song_auto(socket.assigns.song.user_id)
end
{:noreply, socket}
end
def handle_info(:play_current, socket) do
# we raced a pubsub, noop
if socket.assigns.song do
{:noreply, socket}
else
{:noreply, play_current_song(socket)}
end
end
def handle_info({:pause, _}, socket) do
{:noreply,
socket
|> push_event("pause", %{})
|> assign(playing: false)}
end
def handle_info({:play, %Song{} = song, %{elapsed: elapsed}}, socket) do
{:noreply, play_song(socket, song, elapsed)}
end
defp play_song(socket, %Song{} = song, elapsed) do
socket
|> push_play(song, elapsed)
|> assign(song: song, playing: true)
end
defp js_play_pause(%JS{} = js) do
JS.dispatch(js, "js:play_pause", to: "#audio-player")
end
defp js_listen_now(js \\ %JS{}) do
JS.dispatch(js, "js:listen_now", to: "#audio-player")
end
defp play_current_song(socket) do
song = MediaLibrary.get_current_active_song(socket.assigns.room_user_id)
cond do
song && MediaLibrary.playing?(song) ->
play_song(socket, song, MediaLibrary.elapsed_playback(song))
song && MediaLibrary.paused?(song) ->
assign(socket, song: song, playing: false)
true ->
socket
end
end
defp push_play(socket, %Song{} = song, elapsed) do
token = Phoenix.Token.sign(socket.endpoint, "file", song.mp3_filename)
push_event(socket, "play", %{
paused: Song.paused?(song),
elapsed: elapsed,
token: token,
url: song.mp3_url
})
end
end