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Merge pull request #2257 from diogorac/fix-only-second-vid

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Samantaz Fox 2021-10-11 23:55:09 +02:00
commit 39c27f0c66
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4 changed files with 60 additions and 29 deletions
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2
assets/js/watch.js
View File

@ -149,6 +149,8 @@ function get_playlist(plid, retries) {
if (xhr.readyState == 4) {
if (xhr.status == 200) {
playlist.innerHTML = xhr.response.playlistHtml;
var nextVideo = document.getElementById(xhr.response.nextVideo);
nextVideo.parentNode.parentNode.scrollTop = nextVideo.offsetTop;
if (xhr.response.nextVideo) {
player.on('ended', function () {

55
src/invidious/playlists.cr
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@ -107,7 +107,7 @@ struct Playlist
property updated : Time
property thumbnail : String?
def to_json(offset, locale, json : JSON::Builder, continuation : String? = nil)
def to_json(offset, locale, json : JSON::Builder, video_id : String? = nil)
json.object do
json.field "type", "playlist"
json.field "title", self.title
@ -142,7 +142,7 @@ struct Playlist
json.field "videos" do
json.array do
videos = get_playlist_videos(PG_DB, self, offset: offset, locale: locale, continuation: continuation)
videos = get_playlist_videos(PG_DB, self, offset: offset, locale: locale, video_id: video_id)
videos.each_with_index do |video, index|
video.to_json(locale, json)
end
@ -151,12 +151,12 @@ struct Playlist
end
end
def to_json(offset, locale, json : JSON::Builder? = nil, continuation : String? = nil)
def to_json(offset, locale, json : JSON::Builder? = nil, video_id : String? = nil)
if json
to_json(offset, locale, json, continuation: continuation)
to_json(offset, locale, json, video_id: video_id)
else
JSON.build do |json|
to_json(offset, locale, json, continuation: continuation)
to_json(offset, locale, json, video_id: video_id)
end
end
end
@ -196,7 +196,7 @@ struct InvidiousPlaylist
end
end
def to_json(offset, locale, json : JSON::Builder, continuation : String? = nil)
def to_json(offset, locale, json : JSON::Builder, video_id : String? = nil)
json.object do
json.field "type", "invidiousPlaylist"
json.field "title", self.title
@ -218,11 +218,11 @@ struct InvidiousPlaylist
json.field "videos" do
json.array do
if !offset || offset == 0
index = PG_DB.query_one?("SELECT index FROM playlist_videos WHERE plid = $1 AND id = $2 LIMIT 1", self.id, continuation, as: Int64)
index = PG_DB.query_one?("SELECT index FROM playlist_videos WHERE plid = $1 AND id = $2 LIMIT 1", self.id, video_id, as: Int64)
offset = self.index.index(index) || 0
end
videos = get_playlist_videos(PG_DB, self, offset: offset, locale: locale, continuation: continuation)
videos = get_playlist_videos(PG_DB, self, offset: offset, locale: locale, video_id: video_id)
videos.each_with_index do |video, index|
video.to_json(locale, json, offset + index)
end
@ -231,12 +231,12 @@ struct InvidiousPlaylist
end
end
def to_json(offset, locale, json : JSON::Builder? = nil, continuation : String? = nil)
def to_json(offset, locale, json : JSON::Builder? = nil, video_id : String? = nil)
if json
to_json(offset, locale, json, continuation: continuation)
to_json(offset, locale, json, video_id: video_id)
else
JSON.build do |json|
to_json(offset, locale, json, continuation: continuation)
to_json(offset, locale, json, video_id: video_id)
end
end
end
@ -426,7 +426,7 @@ def fetch_playlist(plid, locale)
})
end
def get_playlist_videos(db, playlist, offset, locale = nil, continuation = nil)
def get_playlist_videos(db, playlist, offset, locale = nil, video_id = nil)
# Show empy playlist if requested page is out of range
# (e.g, when a new playlist has been created, offset will be negative)
if offset >= playlist.video_count || offset < 0
@ -437,17 +437,26 @@ def get_playlist_videos(db, playlist, offset, locale = nil, continuation = nil)
db.query_all("SELECT * FROM playlist_videos WHERE plid = $1 ORDER BY array_position($2, index) LIMIT 100 OFFSET $3",
playlist.id, playlist.index, offset, as: PlaylistVideo)
else
if offset >= 100
# Normalize offset to match youtube's behavior (100 videos chunck per request)
offset = (offset / 100).to_i64 * 100_i64
ctoken = produce_playlist_continuation(playlist.id, offset)
initial_data = YoutubeAPI.browse(ctoken)
else
initial_data = YoutubeAPI.browse("VL" + playlist.id, params: "")
if video_id
initial_data = YoutubeAPI.next({
"videoId" => video_id,
"playlistId" => playlist.id,
})
offset = initial_data.dig?("contents", "twoColumnWatchNextResults", "playlist", "playlist", "currentIndex").try &.as_i || offset
end
return extract_playlist_videos(initial_data)
videos = [] of PlaylistVideo
until videos.size >= 200 || videos.size == playlist.video_count || offset >= playlist.video_count
# 100 videos per request
ctoken = produce_playlist_continuation(playlist.id, offset)
initial_data = YoutubeAPI.browse(ctoken)
videos += extract_playlist_videos(initial_data)
offset += 100
end
return videos
end
end
@ -523,8 +532,8 @@ def template_playlist(playlist)
playlist["videos"].as_a.each do |video|
html += <<-END_HTML
<li class="pure-menu-item">
<a href="/watch?v=#{video["videoId"]}&list=#{playlist["playlistId"]}">
<li class="pure-menu-item" id="#{video["videoId"]}">
<a href="/watch?v=#{video["videoId"]}&list=#{playlist["playlistId"]}&index=#{video["index"]}">
<div class="thumbnail">
<img class="thumbnail" src="/vi/#{video["videoId"]}/mqdefault.jpg">
<p class="length">#{recode_length_seconds(video["lengthSeconds"].as_i)}</p>

30
src/invidious/routes/api/v1/misc.cr
View File

@ -24,7 +24,7 @@ module Invidious::Routes::API::V1::Misc
offset ||= env.params.query["page"]?.try &.to_i?.try { |page| (page - 1) * 100 }
offset ||= 0
continuation = env.params.query["continuation"]?
video_id = env.params.query["continuation"]?
format = env.params.query["format"]?
format ||= "json"
@ -46,12 +46,32 @@ module Invidious::Routes::API::V1::Misc
return error_json(404, "Playlist does not exist.")
end
response = playlist.to_json(offset, locale, continuation: continuation)
# includes into the playlist a maximum of 20 videos, before the offset
if offset > 0
lookback = offset < 50 ? offset : 50
response = playlist.to_json(offset - lookback, locale)
json_response = JSON.parse(response)
else
# Unless the continuation is really the offset 0, it becomes expensive.
# It happens when the offset is not set.
# First we find the actual offset, and then we lookback
# it shouldn't happen often though
lookback = 0
response = playlist.to_json(offset, locale, video_id: video_id)
json_response = JSON.parse(response)
if json_response["videos"].as_a[0]["index"] != offset
offset = json_response["videos"].as_a[0]["index"].as_i
lookback = offset < 50 ? offset : 50
response = playlist.to_json(offset - lookback, locale)
json_response = JSON.parse(response)
end
end
if format == "html"
response = JSON.parse(response)
playlist_html = template_playlist(response)
index, next_video = response["videos"].as_a.skip(1).select { |video| !video["author"].as_s.empty? }[0]?.try { |v| {v["index"], v["videoId"]} } || {nil, nil}
playlist_html = template_playlist(json_response)
index, next_video = json_response["videos"].as_a.skip(1 + lookback).select { |video| !video["author"].as_s.empty? }[0]?.try { |v| {v["index"], v["videoId"]} } || {nil, nil}
response = {
"playlistHtml" => playlist_html,

2
src/invidious/views/components/item.ecr
View File

@ -48,7 +48,7 @@
<p dir="auto"><b><%= HTML.escape(item.author) %></b></p>
</a>
<% when PlaylistVideo %>
<a style="width:100%" href="/watch?v=<%= item.id %>&list=<%= item.plid %>">
<a style="width:100%" href="/watch?v=<%= item.id %>&list=<%= item.plid %>&index=<%= item.index %>">
<% if !env.get("preferences").as(Preferences).thin_mode %>
<div class="thumbnail">
<img class="thumbnail" src="/vi/<%= item.id %>/mqdefault.jpg"/>