Merge pull request #2787 from matthewmcgarvey/related-channels

Update to fetch related channels again
pull/2813/head
Samantaz Fox 3 years ago committed by GitHub
commit fb673639f9
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@ -1,33 +1,26 @@
# TODO: Refactor into either SearchChannel or InvidiousChannel
struct AboutChannel
include DB::Serializable
property ucid : String
property author : String
property auto_generated : Bool
property author_url : String
property author_thumbnail : String
property banner : String?
property description_html : String
property total_views : Int64
property sub_count : Int32
property joined : Time
property is_family_friendly : Bool
property allowed_regions : Array(String)
property related_channels : Array(AboutRelatedChannel)
property tabs : Array(String)
end
struct AboutRelatedChannel
include DB::Serializable
property ucid : String
property author : String
property author_url : String
property author_thumbnail : String
end
def get_about_info(ucid, locale)
record AboutChannel,
ucid : String,
author : String,
auto_generated : Bool,
author_url : String,
author_thumbnail : String,
banner : String?,
description_html : String,
total_views : Int64,
sub_count : Int32,
joined : Time,
is_family_friendly : Bool,
allowed_regions : Array(String),
tabs : Array(String)
record AboutRelatedChannel,
ucid : String,
author : String,
author_url : String,
author_thumbnail : String
def get_about_info(ucid, locale) : AboutChannel
begin
# "EgVhYm91dA==" is the base64-encoded protobuf object {"2:string":"about"}
initdata = YoutubeAPI.browse(browse_id: ucid, params: "EgVhYm91dA==")
@ -63,8 +56,6 @@ def get_about_info(ucid, locale)
is_family_friendly = initdata["microformat"]["microformatDataRenderer"]["familySafe"].as_bool
allowed_regions = initdata["microformat"]["microformatDataRenderer"]["availableCountries"].as_a.map(&.as_s)
related_channels = [] of AboutRelatedChannel
else
author = initdata["metadata"]["channelMetadataRenderer"]["title"].as_s
author_url = initdata["metadata"]["channelMetadataRenderer"]["channelUrl"].as_s
@ -85,38 +76,6 @@ def get_about_info(ucid, locale)
is_family_friendly = initdata["microformat"]["microformatDataRenderer"]["familySafe"].as_bool
allowed_regions = initdata["microformat"]["microformatDataRenderer"]["availableCountries"].as_a.map(&.as_s)
related_channels = initdata["contents"]["twoColumnBrowseResultsRenderer"]
.["secondaryContents"]?.try &.["browseSecondaryContentsRenderer"]["contents"][0]?
.try &.["verticalChannelSectionRenderer"]?.try &.["items"]?.try &.as_a.map do |node|
renderer = node["miniChannelRenderer"]?
related_id = renderer.try &.["channelId"]?.try &.as_s?
related_id ||= ""
related_title = renderer.try &.["title"]?.try &.["simpleText"]?.try &.as_s?
related_title ||= ""
related_author_url = renderer.try &.["navigationEndpoint"]?.try &.["commandMetadata"]?.try &.["webCommandMetadata"]?
.try &.["url"]?.try &.as_s?
related_author_url ||= ""
related_author_thumbnails = renderer.try &.["thumbnail"]?.try &.["thumbnails"]?.try &.as_a?
related_author_thumbnails ||= [] of JSON::Any
related_author_thumbnail = ""
if related_author_thumbnails.size > 0
related_author_thumbnail = related_author_thumbnails[-1]["url"]?.try &.as_s?
related_author_thumbnail ||= ""
end
AboutRelatedChannel.new({
ucid: related_id,
author: related_title,
author_url: related_author_url,
author_thumbnail: related_author_thumbnail,
})
end
related_channels ||= [] of AboutRelatedChannel
end
total_views = 0_i64
@ -155,7 +114,7 @@ def get_about_info(ucid, locale)
sub_count = initdata["header"]["c4TabbedHeaderRenderer"]?.try &.["subscriberCountText"]?.try &.["simpleText"]?.try &.as_s?
.try { |text| short_text_to_number(text.split(" ")[0]) } || 0
AboutChannel.new({
AboutChannel.new(
ucid: ucid,
author: author,
auto_generated: auto_generated,
@ -168,7 +127,31 @@ def get_about_info(ucid, locale)
joined: joined,
is_family_friendly: is_family_friendly,
allowed_regions: allowed_regions,
related_channels: related_channels,
tabs: tabs,
})
)
end
def fetch_related_channels(about_channel : AboutChannel) : Array(AboutRelatedChannel)
# params is {"2:string":"channels"} encoded
channels = YoutubeAPI.browse(browse_id: about_channel.ucid, params: "EghjaGFubmVscw%3D%3D")
tabs = channels.dig?("contents", "twoColumnBrowseResultsRenderer", "tabs").try(&.as_a?) || [] of JSON::Any
tab = tabs.find { |tab| tab.dig?("tabRenderer", "title").try(&.as_s?) == "Channels" }
return [] of AboutRelatedChannel if tab.nil?
items = tab.dig?("tabRenderer", "content", "sectionListRenderer", "contents", 0, "itemSectionRenderer", "contents", 0, "gridRenderer", "items").try(&.as_a?) || [] of JSON::Any
items.map do |item|
related_id = item.dig("gridChannelRenderer", "channelId").as_s
related_title = item.dig("gridChannelRenderer", "title", "simpleText").as_s
related_author_url = item.dig("gridChannelRenderer", "navigationEndpoint", "browseEndpoint", "canonicalBaseUrl").as_s
related_author_thumbnail = item.dig("gridChannelRenderer", "thumbnail", "thumbnails", -1, "url").as_s
AboutRelatedChannel.new(
ucid: related_id,
author: related_title,
author_url: related_author_url,
author_thumbnail: related_author_thumbnail,
)
end
end

@ -96,7 +96,7 @@ module Invidious::Routes::API::V1::Channels
json.field "relatedChannels" do
json.array do
channel.related_channels.each do |related_channel|
fetch_related_channels(channel).each do |related_channel|
json.object do
json.field "author", related_channel.author
json.field "authorId", related_channel.ucid

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