Add support for community post page/comments (#4010)

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Samantaz Fox 2023-10-07 19:58:54 +02:00
commit 60fae015d8
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14 changed files with 450 additions and 169 deletions

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@ -392,11 +392,19 @@ p.video-data { margin: 0; font-weight: bold; font-size: 80%; }
* Comments & community posts
*/
#comments {
.comments {
max-width: 800px;
margin: auto;
}
/*
* We don't want the top and bottom margin on the post page.
*/
.comments.post-comments {
margin-bottom: 0;
margin-top: 0;
}
.video-iframe-wrapper {
position: relative;
height: 0;

174
assets/js/comments.js Normal file
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@ -0,0 +1,174 @@
var video_data = JSON.parse(document.getElementById('video_data').textContent);
var spinnerHTML = '<h3 style="text-align:center"><div class="loading"><i class="icon ion-ios-refresh"></i></div></h3>';
var spinnerHTMLwithHR = spinnerHTML + '<hr>';
String.prototype.supplant = function (o) {
return this.replace(/{([^{}]*)}/g, function (a, b) {
var r = o[b];
return typeof r === 'string' || typeof r === 'number' ? r : a;
});
};
function toggle_comments(event) {
var target = event.target;
var body = target.parentNode.parentNode.parentNode.children[1];
if (body.style.display === 'none') {
target.textContent = '[ ]';
body.style.display = '';
} else {
target.textContent = '[ + ]';
body.style.display = 'none';
}
}
function hide_youtube_replies(event) {
var target = event.target;
var sub_text = target.getAttribute('data-inner-text');
var inner_text = target.getAttribute('data-sub-text');
var body = target.parentNode.parentNode.children[1];
body.style.display = 'none';
target.textContent = sub_text;
target.onclick = show_youtube_replies;
target.setAttribute('data-inner-text', inner_text);
target.setAttribute('data-sub-text', sub_text);
}
function show_youtube_replies(event) {
var target = event.target;
var sub_text = target.getAttribute('data-inner-text');
var inner_text = target.getAttribute('data-sub-text');
var body = target.parentNode.parentNode.children[1];
body.style.display = '';
target.textContent = sub_text;
target.onclick = hide_youtube_replies;
target.setAttribute('data-inner-text', inner_text);
target.setAttribute('data-sub-text', sub_text);
}
function get_youtube_comments() {
var comments = document.getElementById('comments');
var fallback = comments.innerHTML;
comments.innerHTML = spinnerHTML;
var baseUrl = video_data.base_url || '/api/v1/comments/'+ video_data.id
var url = baseUrl +
'?format=html' +
'&hl=' + video_data.preferences.locale +
'&thin_mode=' + video_data.preferences.thin_mode;
if (video_data.ucid) {
url += '&ucid=' + video_data.ucid
}
var onNon200 = function (xhr) { comments.innerHTML = fallback; };
if (video_data.params.comments[1] === 'youtube')
onNon200 = function (xhr) {};
helpers.xhr('GET', url, {retries: 5, entity_name: 'comments'}, {
on200: function (response) {
var commentInnerHtml = ' \
<div> \
<h3> \
<a href="javascript:void(0)">[ ]</a> \
{commentsText} \
</h3> \
<b> \
'
if (video_data.support_reddit) {
commentInnerHtml += ' <a href="javascript:void(0)" data-comments="reddit"> \
{redditComments} \
</a> \
'
}
commentInnerHtml += ' </b> \
</div> \
<div>{contentHtml}</div> \
<hr>'
commentInnerHtml = commentInnerHtml.supplant({
contentHtml: response.contentHtml,
redditComments: video_data.reddit_comments_text,
commentsText: video_data.comments_text.supplant({
// toLocaleString correctly splits number with local thousands separator. e.g.:
// '1,234,567.89' for user with English locale
// '1 234 567,89' for user with Russian locale
// '1.234.567,89' for user with Portuguese locale
commentCount: response.commentCount.toLocaleString()
})
});
comments.innerHTML = commentInnerHtml;
comments.children[0].children[0].children[0].onclick = toggle_comments;
if (video_data.support_reddit) {
comments.children[0].children[1].children[0].onclick = swap_comments;
}
},
onNon200: onNon200, // declared above
onError: function (xhr) {
comments.innerHTML = spinnerHTML;
},
onTimeout: function (xhr) {
comments.innerHTML = spinnerHTML;
}
});
}
function get_youtube_replies(target, load_more, load_replies) {
var continuation = target.getAttribute('data-continuation');
var body = target.parentNode.parentNode;
var fallback = body.innerHTML;
body.innerHTML = spinnerHTML;
var baseUrl = video_data.base_url || '/api/v1/comments/'+ video_data.id
var url = baseUrl +
'?format=html' +
'&hl=' + video_data.preferences.locale +
'&thin_mode=' + video_data.preferences.thin_mode +
'&continuation=' + continuation;
if (video_data.ucid) {
url += '&ucid=' + video_data.ucid
}
if (load_replies) url += '&action=action_get_comment_replies';
helpers.xhr('GET', url, {}, {
on200: function (response) {
if (load_more) {
body = body.parentNode.parentNode;
body.removeChild(body.lastElementChild);
body.insertAdjacentHTML('beforeend', response.contentHtml);
} else {
body.removeChild(body.lastElementChild);
var p = document.createElement('p');
var a = document.createElement('a');
p.appendChild(a);
a.href = 'javascript:void(0)';
a.onclick = hide_youtube_replies;
a.setAttribute('data-sub-text', video_data.hide_replies_text);
a.setAttribute('data-inner-text', video_data.show_replies_text);
a.textContent = video_data.hide_replies_text;
var div = document.createElement('div');
div.innerHTML = response.contentHtml;
body.appendChild(p);
body.appendChild(div);
}
},
onNon200: function (xhr) {
body.innerHTML = fallback;
},
onTimeout: function (xhr) {
console.warn('Pulling comments failed');
body.innerHTML = fallback;
}
});
}

3
assets/js/post.js Normal file
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@ -0,0 +1,3 @@
addEventListener('load', function (e) {
get_youtube_comments();
});

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@ -1,14 +1,4 @@
'use strict';
var video_data = JSON.parse(document.getElementById('video_data').textContent);
var spinnerHTML = '<h3 style="text-align:center"><div class="loading"><i class="icon ion-ios-refresh"></i></div></h3>';
var spinnerHTMLwithHR = spinnerHTML + '<hr>';
String.prototype.supplant = function (o) {
return this.replace(/{([^{}]*)}/g, function (a, b) {
var r = o[b];
return typeof r === 'string' || typeof r === 'number' ? r : a;
});
};
function toggle_parent(target) {
var body = target.parentNode.parentNode.children[1];
@ -21,18 +11,6 @@ function toggle_parent(target) {
}
}
function toggle_comments(event) {
var target = event.target;
var body = target.parentNode.parentNode.parentNode.children[1];
if (body.style.display === 'none') {
target.textContent = '[ ]';
body.style.display = '';
} else {
target.textContent = '[ + ]';
body.style.display = 'none';
}
}
function swap_comments(event) {
var source = event.target.getAttribute('data-comments');
@ -43,36 +21,6 @@ function swap_comments(event) {
}
}
function hide_youtube_replies(event) {
var target = event.target;
var sub_text = target.getAttribute('data-inner-text');
var inner_text = target.getAttribute('data-sub-text');
var body = target.parentNode.parentNode.children[1];
body.style.display = 'none';
target.textContent = sub_text;
target.onclick = show_youtube_replies;
target.setAttribute('data-inner-text', inner_text);
target.setAttribute('data-sub-text', sub_text);
}
function show_youtube_replies(event) {
var target = event.target;
var sub_text = target.getAttribute('data-inner-text');
var inner_text = target.getAttribute('data-sub-text');
var body = target.parentNode.parentNode.children[1];
body.style.display = '';
target.textContent = sub_text;
target.onclick = hide_youtube_replies;
target.setAttribute('data-inner-text', inner_text);
target.setAttribute('data-sub-text', sub_text);
}
var continue_button = document.getElementById('continue');
if (continue_button) {
continue_button.onclick = continue_autoplay;
@ -208,111 +156,6 @@ function get_reddit_comments() {
});
}
function get_youtube_comments() {
var comments = document.getElementById('comments');
var fallback = comments.innerHTML;
comments.innerHTML = spinnerHTML;
var url = '/api/v1/comments/' + video_data.id +
'?format=html' +
'&hl=' + video_data.preferences.locale +
'&thin_mode=' + video_data.preferences.thin_mode;
var onNon200 = function (xhr) { comments.innerHTML = fallback; };
if (video_data.params.comments[1] === 'youtube')
onNon200 = function (xhr) {};
helpers.xhr('GET', url, {retries: 5, entity_name: 'comments'}, {
on200: function (response) {
comments.innerHTML = ' \
<div> \
<h3> \
<a href="javascript:void(0)">[ ]</a> \
{commentsText} \
</h3> \
<b> \
<a href="javascript:void(0)" data-comments="reddit"> \
{redditComments} \
</a> \
</b> \
</div> \
<div>{contentHtml}</div> \
<hr>'.supplant({
contentHtml: response.contentHtml,
redditComments: video_data.reddit_comments_text,
commentsText: video_data.comments_text.supplant({
// toLocaleString correctly splits number with local thousands separator. e.g.:
// '1,234,567.89' for user with English locale
// '1 234 567,89' for user with Russian locale
// '1.234.567,89' for user with Portuguese locale
commentCount: response.commentCount.toLocaleString()
})
});
comments.children[0].children[0].children[0].onclick = toggle_comments;
comments.children[0].children[1].children[0].onclick = swap_comments;
},
onNon200: onNon200, // declared above
onError: function (xhr) {
comments.innerHTML = spinnerHTML;
},
onTimeout: function (xhr) {
comments.innerHTML = spinnerHTML;
}
});
}
function get_youtube_replies(target, load_more, load_replies) {
var continuation = target.getAttribute('data-continuation');
var body = target.parentNode.parentNode;
var fallback = body.innerHTML;
body.innerHTML = spinnerHTML;
var url = '/api/v1/comments/' + video_data.id +
'?format=html' +
'&hl=' + video_data.preferences.locale +
'&thin_mode=' + video_data.preferences.thin_mode +
'&continuation=' + continuation;
if (load_replies) url += '&action=action_get_comment_replies';
helpers.xhr('GET', url, {}, {
on200: function (response) {
if (load_more) {
body = body.parentNode.parentNode;
body.removeChild(body.lastElementChild);
body.insertAdjacentHTML('beforeend', response.contentHtml);
} else {
body.removeChild(body.lastElementChild);
var p = document.createElement('p');
var a = document.createElement('a');
p.appendChild(a);
a.href = 'javascript:void(0)';
a.onclick = hide_youtube_replies;
a.setAttribute('data-sub-text', video_data.hide_replies_text);
a.setAttribute('data-inner-text', video_data.show_replies_text);
a.textContent = video_data.hide_replies_text;
var div = document.createElement('div');
div.innerHTML = response.contentHtml;
body.appendChild(p);
body.appendChild(div);
}
},
onNon200: function (xhr) {
body.innerHTML = fallback;
},
onTimeout: function (xhr) {
console.warn('Pulling comments failed');
body.innerHTML = fallback;
}
});
}
if (video_data.play_next) {
player.on('ended', function () {
var url = new URL('https://example.com/watch?v=' + video_data.next_video);

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@ -24,7 +24,33 @@ def fetch_channel_community(ucid, cursor, locale, format, thin_mode)
return extract_channel_community(items, ucid: ucid, locale: locale, format: format, thin_mode: thin_mode)
end
def extract_channel_community(items, *, ucid, locale, format, thin_mode)
def fetch_channel_community_post(ucid, post_id, locale, format, thin_mode)
object = {
"2:string" => "community",
"25:embedded" => {
"22:string" => post_id.to_s,
},
"45:embedded" => {
"2:varint" => 1_i64,
"3:varint" => 1_i64,
},
}
params = object.try { |i| Protodec::Any.cast_json(i) }
.try { |i| Protodec::Any.from_json(i) }
.try { |i| Base64.urlsafe_encode(i) }
.try { |i| URI.encode_www_form(i) }
initial_data = YoutubeAPI.browse(ucid, params: params)
items = [] of JSON::Any
extract_items(initial_data) do |item|
items << item
end
return extract_channel_community(items, ucid: ucid, locale: locale, format: format, thin_mode: thin_mode, is_single_post: true)
end
def extract_channel_community(items, *, ucid, locale, format, thin_mode, is_single_post : Bool = false)
if message = items[0]["messageRenderer"]?
error_message = (message["text"]["simpleText"]? ||
message["text"]["runs"]?.try &.[0]?.try &.["text"]?)
@ -39,6 +65,9 @@ def extract_channel_community(items, *, ucid, locale, format, thin_mode)
response = JSON.build do |json|
json.object do
json.field "authorId", ucid
if is_single_post
json.field "singlePost", true
end
json.field "comments" do
json.array do
items.each do |post|
@ -240,8 +269,10 @@ def extract_channel_community(items, *, ucid, locale, format, thin_mode)
end
end
end
if cont = items.dig?(-1, "continuationItemRenderer", "continuationEndpoint", "continuationCommand", "token")
json.field "continuation", extract_channel_community_cursor(cont.as_s)
if !is_single_post
if cont = items.dig?(-1, "continuationItemRenderer", "continuationEndpoint", "continuationCommand", "token")
json.field "continuation", extract_channel_community_cursor(cont.as_s)
end
end
end
end

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@ -13,6 +13,51 @@ module Invidious::Comments
client_config = YoutubeAPI::ClientConfig.new(region: region)
response = YoutubeAPI.next(continuation: ctoken, client_config: client_config)
return parse_youtube(id, response, format, locale, thin_mode, sort_by)
end
def fetch_community_post_comments(ucid, post_id)
object = {
"2:string" => "community",
"25:embedded" => {
"22:string" => post_id,
},
"45:embedded" => {
"2:varint" => 1_i64,
"3:varint" => 1_i64,
},
"53:embedded" => {
"4:embedded" => {
"6:varint" => 0_i64,
"27:varint" => 1_i64,
"29:string" => post_id,
"30:string" => ucid,
},
"8:string" => "comments-section",
},
}
object_parsed = object.try { |i| Protodec::Any.cast_json(i) }
.try { |i| Protodec::Any.from_json(i) }
.try { |i| Base64.urlsafe_encode(i) }
object2 = {
"80226972:embedded" => {
"2:string" => ucid,
"3:string" => object_parsed,
},
}
continuation = object2.try { |i| Protodec::Any.cast_json(i) }
.try { |i| Protodec::Any.from_json(i) }
.try { |i| Base64.urlsafe_encode(i) }
.try { |i| URI.encode_www_form(i) }
initial_data = YoutubeAPI.browse(continuation: continuation)
return initial_data
end
def parse_youtube(id, response, format, locale, thin_mode, sort_by = "top", isPost = false)
contents = nil
if on_response_received_endpoints = response["onResponseReceivedEndpoints"]?
@ -68,7 +113,11 @@ module Invidious::Comments
json.field "commentCount", comment_count
end
json.field "videoId", id
if isPost
json.field "postId", id
else
json.field "videoId", id
end
json.field "comments" do
json.array do

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@ -23,6 +23,24 @@ module Invidious::Frontend::Comments
</div>
</div>
END_HTML
elsif comments["authorId"]? && !comments["singlePost"]?
# for posts we should display a link to the post
replies_count_text = translate_count(locale,
"comments_view_x_replies",
child["replyCount"].as_i64 || 0,
NumberFormatting::Separator
)
replies_html = <<-END_HTML
<div class="pure-g">
<div class="pure-u-1-24"></div>
<div class="pure-u-23-24">
<p>
<a href="/post/#{child["commentId"]}?ucid=#{comments["authorId"]}">#{replies_count_text}</a>
</p>
</div>
</div>
END_HTML
end
if !thin_mode

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@ -343,6 +343,59 @@ module Invidious::Routes::API::V1::Channels
end
end
def self.post(env)
locale = env.get("preferences").as(Preferences).locale
env.response.content_type = "application/json"
id = env.params.url["id"].to_s
ucid = env.params.query["ucid"]?
thin_mode = env.params.query["thin_mode"]?
thin_mode = thin_mode == "true"
format = env.params.query["format"]?
format ||= "json"
if ucid.nil?
response = YoutubeAPI.resolve_url("https://www.youtube.com/post/#{id}")
return error_json(400, "Invalid post ID") if response["error"]?
ucid = response.dig("endpoint", "browseEndpoint", "browseId").as_s
else
ucid = ucid.to_s
end
begin
fetch_channel_community_post(ucid, id, locale, format, thin_mode)
rescue ex
return error_json(500, ex)
end
end
def self.post_comments(env)
locale = env.get("preferences").as(Preferences).locale
env.response.content_type = "application/json"
id = env.params.url["id"]
thin_mode = env.params.query["thin_mode"]?
thin_mode = thin_mode == "true"
format = env.params.query["format"]?
format ||= "json"
continuation = env.params.query["continuation"]?
case continuation
when nil, ""
ucid = env.params.query["ucid"]
comments = Comments.fetch_community_post_comments(ucid, id)
else
comments = YoutubeAPI.browse(continuation: continuation)
end
return Comments.parse_youtube(id, comments, format, locale, thin_mode, isPost: true)
end
def self.channels(env)
locale = env.get("preferences").as(Preferences).locale
ucid = env.params.url["ucid"]

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@ -162,17 +162,20 @@ module Invidious::Routes::API::V1::Misc
resolved_url = YoutubeAPI.resolve_url(url.as(String))
endpoint = resolved_url["endpoint"]
pageType = endpoint.dig?("commandMetadata", "webCommandMetadata", "webPageType").try &.as_s || ""
if resolved_ucid = endpoint.dig?("watchEndpoint", "videoId")
elsif resolved_ucid = endpoint.dig?("browseEndpoint", "browseId")
elsif pageType == "WEB_PAGE_TYPE_UNKNOWN"
if pageType == "WEB_PAGE_TYPE_UNKNOWN"
return error_json(400, "Unknown url")
end
sub_endpoint = endpoint["watchEndpoint"]? || endpoint["browseEndpoint"]? || endpoint
params = sub_endpoint.try &.dig?("params")
rescue ex
return error_json(500, ex)
end
JSON.build do |json|
json.object do
json.field "ucid", resolved_ucid.try &.as_s || ""
json.field "ucid", sub_endpoint["browseId"].as_s if sub_endpoint["browseId"]?
json.field "videoId", sub_endpoint["videoId"].as_s if sub_endpoint["videoId"]?
json.field "params", params.try &.as_s
json.field "pageType", pageType
end
end

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@ -165,6 +165,11 @@ module Invidious::Routes::Channels
end
locale, user, subscriptions, continuation, ucid, channel = data
# redirect to post page
if lb = env.params.query["lb"]?
env.redirect "/post/#{URI.encode_www_form(lb)}?ucid=#{URI.encode_www_form(ucid)}"
end
thin_mode = env.params.query["thin_mode"]? || env.get("preferences").as(Preferences).thin_mode
thin_mode = thin_mode == "true"
@ -193,6 +198,44 @@ module Invidious::Routes::Channels
templated "community"
end
def self.post(env)
# /post/{postId}
id = env.params.url["id"]
ucid = env.params.query["ucid"]?
prefs = env.get("preferences").as(Preferences)
locale = prefs.locale
thin_mode = env.params.query["thin_mode"]? || prefs.thin_mode
thin_mode = thin_mode == "true"
nojs = env.params.query["nojs"]?
nojs ||= "0"
nojs = nojs == "1"
if !ucid.nil?
ucid = ucid.to_s
post_response = fetch_channel_community_post(ucid, id, locale, "json", thin_mode)
else
# resolve the url to get the author's UCID
response = YoutubeAPI.resolve_url("https://www.youtube.com/post/#{id}")
return error_template(400, "Invalid post ID") if response["error"]?
ucid = response.dig("endpoint", "browseEndpoint", "browseId").as_s
post_response = fetch_channel_community_post(ucid, id, locale, "json", thin_mode)
end
post_response = JSON.parse(post_response)
if nojs
comments = Comments.fetch_community_post_comments(ucid, id)
comment_html = JSON.parse(Comments.parse_youtube(id, comments, "html", locale, thin_mode, isPost: true))["contentHtml"]
end
templated "post"
end
def self.channels(env)
data = self.fetch_basic_information(env)
return data if !data.is_a?(Tuple)

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@ -128,6 +128,7 @@ module Invidious::Routing
get "/channel/:ucid/live", Routes::Channels, :live
get "/user/:user/live", Routes::Channels, :live
get "/c/:user/live", Routes::Channels, :live
get "/post/:id", Routes::Channels, :post
# Channel catch-all, to redirect future routes to the channel's home
# NOTE: defined last in order to be processed after the other routes
@ -253,6 +254,10 @@ module Invidious::Routing
get "/api/v1/channels/:ucid/#{{{route}}}", {{namespace}}::Channels, :{{route}}
{% end %}
# Posts
get "/api/v1/post/:id", {{namespace}}::Channels, :post
get "/api/v1/post/:id/comments", {{namespace}}::Channels, :post_comments
# 301 redirects to new /api/v1/channels/community/:ucid and /:ucid/community
get "/api/v1/channels/comments/:ucid", {{namespace}}::Channels, :channel_comments_redirect
get "/api/v1/channels/:ucid/comments", {{namespace}}::Channels, :channel_comments_redirect
@ -262,6 +267,7 @@ module Invidious::Routing
get "/api/v1/search/suggestions", {{namespace}}::Search, :search_suggestions
get "/api/v1/hashtag/:hashtag", {{namespace}}::Search, :hashtag
# Authenticated
# The notification APIs cannot be extracted yet! They require the *local* notifications constant defined in invidious.cr

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@ -26,7 +26,7 @@
<p><%= error_message %></p>
</div>
<% else %>
<div class="h-box pure-g" id="comments">
<div class="h-box pure-g comments" id="comments">
<%= IV::Frontend::Comments.template_youtube(items.not_nil!, locale, thin_mode) %>
</div>
<% end %>

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@ -0,0 +1,48 @@
<% content_for "header" do %>
<title>Invidious</title>
<% end %>
<div>
<div id="post" class="comments post-comments">
<%= IV::Frontend::Comments.template_youtube(post_response.not_nil!, locale, thin_mode) %>
</div>
<% if nojs %>
<hr>
<% end %>
<br />
<div id="comments" class="comments post-comments">
<% if nojs %>
<%= comment_html %>
<% else %>
<noscript>
<a href="/post/<%= id %>?ucid=<%= ucid %>&nojs=1">
<%= translate(locale, "Hi! Looks like you have JavaScript turned off. Click here to view comments, keep in mind they may take a bit longer to load.") %>
</a>
</noscript>
<% end %>
</div>
</div>
<script id="video_data" type="application/json">
<%=
{
"id" => id,
"youtube_comments_text" => HTML.escape(translate(locale, "View YouTube comments")),
"reddit_comments_text" => "",
"reddit_permalink_text" => "",
"comments_text" => HTML.escape(translate(locale, "View `x` comments", "{commentCount}")),
"hide_replies_text" => HTML.escape(translate(locale, "Hide replies")),
"show_replies_text" => HTML.escape(translate(locale, "Show replies")),
"params" => {
"comments": ["youtube"]
},
"preferences" => prefs,
"base_url" => "/api/v1/post/#{URI.encode_www_form(id)}/comments",
"ucid" => ucid
}.to_pretty_json
%>
</script>
<script src="/js/comments.js?v=<%= ASSET_COMMIT %>"></script>
<script src="/js/post.js?v=<%= ASSET_COMMIT %>"></script>

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@ -64,7 +64,8 @@ we're going to need to do it here in order to allow for translations.
"premiere_timestamp" => video.premiere_timestamp.try &.to_unix,
"vr" => video.is_vr,
"projection_type" => video.projection_type,
"local_disabled" => CONFIG.disabled?("local")
"local_disabled" => CONFIG.disabled?("local"),
"support_reddit" => true
}.to_pretty_json
%>
</script>
@ -270,7 +271,7 @@ we're going to need to do it here in order to allow for translations.
<hr>
<% end %>
<div id="comments">
<div id="comments" class="comments">
<% if nojs %>
<%= comment_html %>
<% else %>
@ -352,4 +353,5 @@ we're going to need to do it here in order to allow for translations.
</div>
<% end %>
</div>
<script src="/js/comments.js?v=<%= ASSET_COMMIT %>"></script>
<script src="/js/watch.js?v=<%= ASSET_COMMIT %>"></script>