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Add support channel home pages + gen. improvements

Browse source 
This commit adds support for channel home pages and all of the
categories within it. However, the frontend code is a mess and thus
needs to be refactor soon. Though that would likely require a rework of
items.ecr

This commit also comes with some general cleanups and improvements.

Before this commit channel brand URls would only be supported on the
videos page (now home page). It has been improved to be able to handle
all channel URLs.

The category_type and auxiliary_data property has also been removed from
the Category struct. The former was never used and the latter allows for
random data to be added to the Struct presenting documentation issues.

Since the auxiliary_data variable was mainly used to store values from
the browse_endpoint in order to create URLs, its much simpler to instead
just get the URL from the webCommandMetadata.

As a result of this change the browse_endpoint_data attribute of
Category has also been removed.
This commit is contained in:
syeopite 2021-05-08 21:09:30 -07:00
parent aa8f15f795
commit 1b569bbc99
No known key found for this signature in database
GPG key ID: 6FA616E5A5294A82
14 changed files with 197 additions and 82 deletions
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21
assets/css/channel.css
View file

@ -66,7 +66,6 @@
}
.category-heading {
font-size: 1.2em;
user-select: none;
display: inline;
}
@ -117,3 +116,23 @@ only show up when the screen is wide enough */
margin-top: 1em;
}
}
.trailer-metadata {
margin-left: 15px;
font-size: 12px;
color: rgb(232, 230, 227);
}
.trailer-metadata .read-more {
line-height: 20px;
text-transform: uppercase;
color: gray;
font-size: 13px;
}
.trailer-description {
overflow: hidden;
max-height: 150px;
line-height: 20px;
margin-top: 20px;
}

8
assets/css/default.css
View file

@ -602,7 +602,8 @@ hr {
}
.category {
margin: 3em 0px 4em 0px;
margin-bottom: 2em;
margin-top: 1em;
}
.category .heading > p {
@ -617,3 +618,8 @@ hr {
font-size: 14px;
margin-left: 10px;
}
/* Temp */
.category-description {
color: #A8A095;
}

20
src/invidious.cr
View file

@ -315,6 +315,10 @@ Invidious::Routing.get "/channel/:ucid/community", Invidious::Routes::Channels,
Invidious::Routing.get "/channel/:ucid/channels", Invidious::Routes::Channels, :channels
Invidious::Routing.get "/channel/:ucid/about", Invidious::Routes::Channels, :about
["", "/home", "/videos", "/playlists", "/community", "/channels", "/about"].each do |path|
Invidious::Routing.get "/c/:user#{path}", Invidious::Routes::Channels, :brand_redirect
end
Invidious::Routing.get "/watch", Invidious::Routes::Watch, :handle
Invidious::Routing.get "/watch/:id", Invidious::Routes::Watch, :redirect
Invidious::Routing.get "/shorts/:id", Invidious::Routes::Watch, :redirect
@ -1624,22 +1628,6 @@ end
end
end
# YouTube appears to let users set a "brand" URL that
# is different from their username, so we convert that here
get "/c/:user" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.params.url["user"]
response = YT_POOL.client &.get("/c/#{user}")
html = XML.parse_html(response.body)
ucid = html.xpath_node(%q(//link[@rel="canonical"])).try &.["href"].split("/")[-1]
next env.redirect "/" if !ucid
env.redirect "/channel/#{ucid}"
end
# Legacy endpoint for /user/:username
get "/profile" do |env|
user = env.params.query["user"]?

42
src/invidious/channels.cr
View file

@ -341,6 +341,30 @@ def fetch_channel(ucid, db, pull_all_videos = true, locale = nil)
return channel
end
def fetch_channel_home(ucid, channel)
initial_data = request_youtube_api_browse(ucid, channel.tabs["home"][1])
items = extract_items(initial_data, channel.author, channel.ucid)
# Channel trailer needs some slight special handling
home_tab = extract_selected_tab(initial_data["contents"]["twoColumnBrowseResultsRenderer"]["tabs"])
trailer = home_tab["content"]["sectionListRenderer"]["contents"][0]["itemSectionRenderer"]["contents"][0]["channelVideoPlayerRenderer"]? || nil
home_sections = [] of (Category | Video)
if trailer
trailer = get_video(trailer["videoId"].as_s, PG_DB)
home_sections << trailer
end
items.each do |category|
if category.is_a? Category
home_sections << category
end
end
return home_sections
end
def fetch_channel_playlists(ucid, author, continuation, sort_by)
if continuation
response_json = request_youtube_api_browse(continuation)
@ -381,8 +405,6 @@ def fetch_channel_playlists(ucid, author, continuation, sort_by)
end
def fetch_channel_featured_channels(ucid, tab_data, view = nil, shelf_id = nil, continuation = nil, query_title = nil) : {Array(Category), (String | Nil)}
auxiliary_data = {} of String => String
if continuation.is_a?(String)
initial_data = request_youtube_api_browse(continuation)
items = extract_items(initial_data)
@ -392,14 +414,13 @@ def fetch_channel_featured_channels(ucid, tab_data, view = nil, shelf_id = nil,
title: query_title.not_nil!, # If continuation contents is requested then the query_title has to be passed along.
contents: items,
description_html: "",
browse_endpoint_data: nil,
url: nil,
badges: nil,
auxiliary_data: auxiliary_data,
})], continuation_token
else
url = nil
if view && shelf_id
auxiliary_data["view"] = view
auxiliary_data["shelf_id"] = shelf_id
url = "/channel/#{ucid}/channels?view=#{view}&shelf_id=#{shelf_id}"
params = produce_featured_channel_browse_param(view.to_i64, shelf_id.to_i64)
initial_data = request_youtube_api_browse(ucid, params)
@ -437,21 +458,20 @@ def fetch_channel_featured_channels(ucid, tab_data, view = nil, shelf_id = nil,
title: category.title.empty? ? fallback_title : category.title,
contents: category.contents,
description_html: category.description_html,
browse_endpoint_data: nil,
url: category.url,
badges: nil,
auxiliary_data: category.auxiliary_data,
})
end
# If we don't have any categories we'll create one.
# If no categories has been parsed then it means that we're currently requesting a single one and not in
# the initial preview anymore. The frontend still needs a Category however, so we'll create one.
if category_array.empty?
category_array << Category.new({
title: fallback_title,
contents: items,
description_html: "",
browse_endpoint_data: nil,
url: url,
badges: nil,
auxiliary_data: auxiliary_data,
})
end

38
src/invidious/helpers/extractors.cr
View file

@ -219,37 +219,7 @@ private class CategoryParser < ItemParser
title = ""
end
auxiliary_data = {} of String => String
browse_endpoint = item_contents["endpoint"]?.try &.["browseEndpoint"] || nil
browse_endpoint_data = ""
category_type = 0 # 0: Video, 1: Channels, 2: Playlist/feed, 3: trending
# There's no endpoint data for video and trending category
if !item_contents["endpoint"]?
if !item_contents["videoId"]?
category_type = 3
end
end
if !browse_endpoint.nil?
# Playlist/feed categories doesn't need the params value (nor is it even included in yt response)
# instead it uses the browseId parameter. So if there isn't a params value we can assume the
# category is a playlist/feed
if browse_endpoint["params"]?
# However, even though the channel category type returns the browse endpoint param
# we're not going to be using it in order to preserve compatablity with Youtube.
# and for an URL that looks cleaner
url = item_contents["endpoint"]["commandMetadata"]["webCommandMetadata"]["url"]
url = URI.parse(url.as_s)
auxiliary_data["view"] = url.query_params["view"]
auxiliary_data["shelf_id"] = url.query_params["shelf_id"]
category_type = 1
else
browse_endpoint_data = browse_endpoint["browseId"].as_s
category_type = 2
end
end
url = item_contents["endpoint"]?.try &.["commandMetadata"]["webCommandMetadata"]["url"].as_s
# Sometimes a category can have badges.
badges = [] of Tuple(String, String) # (Badge style, label)
@ -284,9 +254,8 @@ private class CategoryParser < ItemParser
title: title,
contents: contents,
description_html: description_html,
browse_endpoint_data: browse_endpoint_data,
url: url,
badges: badges,
auxiliary_data: auxiliary_data,
})
end
end
@ -325,6 +294,9 @@ private class YoutubeTabsExtractor < ItemsContainerExtractor
raw_items << renderer_container_contents
next
elsif items_container = renderer_container_contents["gridRenderer"]?
elsif items_container = renderer_container_contents["channelVideoPlayerRenderer"]?
# Parsing for channel trailer is already taken elsewhere
next
else
items_container = renderer_container_contents
end

7
src/invidious/helpers/invidiousitems.cr
View file

@ -232,14 +232,11 @@ class Category
include DB::Serializable
property title : String
property contents : Array(SearchItem)
property browse_endpoint_data : String?
property contents : Array(SearchItem) | Array(Video)
property url : String?
property description_html : String
property badges : Array(Tuple(String, String))?
# Data unique to only specific types of categories.
property auxiliary_data : Hash(String, String)
def to_json(locale, json : JSON::Builder)
json.object do
json.field "title", self.title

42
src/invidious/routes/channels.cr
View file

@ -1,6 +1,18 @@
class Invidious::Routes::Channels < Invidious::Routes::BaseRoute
def home(env)
self.videos(env)
data = self.fetch_basic_information(env)
if !data.is_a?(Tuple)
return data
end
locale, user, subscriptions, continuation, ucid, channel = data
items = fetch_channel_home(ucid, channel)
has_trailer = false
if items[0].is_a? Video
has_trailer = true
end
templated "channel/home"
end
def videos(env)
@ -149,6 +161,34 @@ class Invidious::Routes::Channels < Invidious::Routes::BaseRoute
templated "channel/about", buffer_footer: true
end
def brand_redirect(env)
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.params.url["user"]
response = YT_POOL.client &.get("/c/#{user}")
html = XML.parse_html(response.body)
ucid = html.xpath_node(%q(//link[@rel="canonical"])).try &.["href"].split("/")[-1]
if !ucid
env.response.status_code = 404
return
end
url = "/channel/#{ucid}"
location = env.request.path.lchop?("/c/#{user}/")
if location
url += "/#{location}"
end
if env.params.query.size > 0
url += "?#{env.params.query}"
end
env.redirect url
end
private def fetch_basic_information(env)
locale = LOCALES[env.get("preferences").as(Preferences).locale]?

2
src/invidious/videos.cr
View file

@ -275,7 +275,7 @@ struct Video
end
end
def to_json(locale, json : JSON::Builder)
def to_json(locale : Hash(String, JSON::Any), json : JSON::Builder)
json.object do
json.field "type", "video"

2
src/invidious/views/channel/channel.ecr
View file

@ -4,7 +4,7 @@
<link rel="alternate" type="application/rss+xml" title="RSS" href="/feed/channel/<%= channel.ucid %>" >
<% end %>
<% content_type = 0 %>
<% content_type = 1 %>
<%= rendered "components/channel-information" %>
<div class="pure-g">

2
src/invidious/views/channel/community.ecr
View file

@ -3,7 +3,7 @@
<link rel="stylesheet" href="/css/channel.css?v=<%= ASSET_COMMIT %>">
<% end %>
<% content_type = 2 %>
<% content_type = 3 %>
<% sort_options = Tuple.new %>
<%= rendered "components/channel-information" %>

7
src/invidious/views/channel/featured_channels.ecr
View file

@ -13,10 +13,9 @@
<div class="channel-section pure-u-1">
<details open="">
<summary style="display: revert;">
<h3 class="category-heading">
<% if category.auxiliary_data.has_key?("view") %>
<% category_url_param = "?view=#{category.auxiliary_data["view"]}&shelf_id=#{category.auxiliary_data["shelf_id"]}" %>
<a href="/channel/<%=channel.ucid%>/channels<%=HTML.escape(category_url_param)%>">
<span style="font-weight: bold;">
<% if category.url %>
<a href="<%=category.url%>">
<%= category.title %>
</a>
<%else%>

60
src/invidious/views/channel/home.ecr
View file

@ -0,0 +1,60 @@
<% content_for "header" do %>
<title><%= channel.author %> - Invidious</title>
<link rel="stylesheet" href="/css/channel.css?v=<%= ASSET_COMMIT %>">
<% end %>
<% content_type = 0 %>
<% sort_options = Tuple.new %>
<%= rendered "components/channel-information" %>
<div class="pure-g">
<% items.each do | section | %>
<% # Channel trailer %>
<% if section.is_a? Video %>
<div class="pure-u-1 h-box trailer-container category">
<% # Placeholder solution. A mini player should be placed here
%>
<div class="player-container pure-u-1 pure-u-md-1-3">
<a style="width:100%" href="/watch?v=<%= section.id %>">
<div class="thumbnail">
<img class="thumbnail" src="/vi/<%=section.id%>/maxres.jpg"/>
<% if section.length_seconds != 0 %>
<p class="length"><%= recode_length_seconds(section.length_seconds) %></p>
<% end %>
</div>
</a>
</div>
<div class="trailer-metadata pure-u-1 pure-u-md-1-3">
<a style="color:rgb(209, 209, 209)"><%= HTML.escape(section.title) %></a>
<p style="color: gray;">
<%= translate(locale, "`x` views", number_to_short_text(section.views || 0)) %>
<%= translate(locale, "Shared `x` ago", recode_date(section.published, locale)) %>
</p>
<div class="trailer-description">
<%= section.description_html %>
</div>
<a class="read-more" href="/watch?v=<%= section.id %>">READ MORE</a>
</div>
</div>
<% else %>
<div class="category pure-u-1">
<details open = "">
<summary style="display: revert;">
<a class="category-heading" href="<%=section.url%>"> <%= section.title %> </a>
</summary>
<div class="category-description h-box">
<p> <%= section.description_html %></p>
</div>
<div class="pure-g">
<% section.contents.each do |item| %>
<%= rendered "components/item" %>
<% end %>
</div>
</details>
</div>
<% end %>
<% end %>
</div>

2
src/invidious/views/channel/playlists.ecr
View file

@ -3,7 +3,7 @@
<link rel="stylesheet" href="/css/channel.css?v=<%= ASSET_COMMIT %>">
<% end %>
<% content_type = 1 %>
<% content_type = 2 %>
<%= rendered "components/channel-information" %>
<div class="pure-g">

26
src/invidious/views/components/channel-information.ecr
View file

@ -60,23 +60,37 @@
<!-- TODO Refactor this! -->
<div class="pure-menu pure-menu-horizontal">
<ui class="pure-menu-list">
<% if !channel.auto_generated %>
<% if content_type == 0 %>
<li class="pure-menu-item pure-menu-selected">
<a href="/channel/<%= channel.ucid %>" class="pure-menu-link">
<a class="pure-menu-link" href="/channel/<%= channel.ucid %>">
<b> <%= translate(locale, "Home") %> </b>
</a>
</li>
<% else %>
<li class="pure-menu-item">
<a class="pure-menu-link" href="/channel/<%= channel.ucid %>">
<%= translate(locale, "Home") %>
</a>
</li>
<% end %>
<% if !channel.auto_generated %>
<% if content_type == 1 %>
<li class="pure-menu-item pure-menu-selected">
<a href="/channel/<%= channel.ucid %>/videos" class="pure-menu-link">
<b><%= translate(locale, "Videos") %></b>
</a>
</li>
<% else %>
<li class="pure-menu-item pure-menu">
<a href="/channel/<%= channel.ucid %>" class="pure-menu-link">
<a href="/channel/<%= channel.ucid %>/videos" class="pure-menu-link">
<%= translate(locale, "Videos") %>
</a>
</li>
<% end %>
<% end %>
<% if content_type == 1 || channel.auto_generated %>
<% if content_type == 2 %>
<li class="pure-menu-item pure-menu-selected">
<a class="pure-menu-link" href="/channel/<%= channel.ucid %>/playlists">
<b> <%= translate(locale, "Playlists") %> </b>
@ -91,7 +105,7 @@
<% end %>
<% if channel.tabs.has_key?("community") %>
<% if content_type == 2 %>
<% if content_type == 3 %>
<li class="pure-menu-item pure-menu-selected">
<a class="pure-menu-link" href="/channel/<%= channel.ucid %>/community">
<b> <%= translate(locale, "Community") %> </b>
@ -152,7 +166,7 @@
</div>
<div class="pure-u-1-3"></div>
<% if content_type == 0 || content_type == 1 %>
<% if content_type == 1 || content_type == 2 %>
<% route = content_type == 1 ? "/playlists" : "" %>
<% url = "/channel/#{channel.ucid + route}" %>