Update to fetch related channels again

This commit is contained in:
matthewmcgarvey 2022-01-08 12:21:36 -06:00
parent b782ab5787
commit 4962c00ba8
2 changed files with 86 additions and 86 deletions

View File

@ -1,33 +1,31 @@
# TODO: Refactor into either SearchChannel or InvidiousChannel
struct AboutChannel
include DB::Serializable
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),
related_channels : RelatedChannels?,
tabs : Array(String)
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
record RelatedChannels,
browse_id : String,
params : String?
struct AboutRelatedChannel
include DB::Serializable
record AboutRelatedChannel,
ucid : String,
author : String,
author_url : String,
author_thumbnail : String
property ucid : String
property author : String
property author_url : String
property author_thumbnail : String
end
def get_about_info(ucid, locale)
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==")
@ -49,6 +47,7 @@ def get_about_info(ucid, locale)
auto_generated = true
end
related_channels = nil
if auto_generated
author = initdata["header"]["interactiveTabbedHeaderRenderer"]["title"]["simpleText"].as_s
author_url = initdata["microformat"]["microformatDataRenderer"]["urlCanonical"].as_s
@ -63,8 +62,6 @@ 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
@ -86,37 +83,14 @@ 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 ||= ""
tabs = initdata.dig("contents", "twoColumnBrowseResultsRenderer", "tabs").as_a
if tab = tabs.find { |tab| tab.dig?("tabRenderer", "title").try(&.as_s?) == "Channels" }
browse_id = tab.dig?("tabRenderer", "endpoint", "browseEndpoint", "browseId").try(&.as_s?)
params = tab.dig?("tabRenderer", "endpoint", "browseEndpoint", "params").try(&.as_s?)
if browse_id
related_channels = RelatedChannels.new(browse_id: browse_id, params: params)
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 +129,7 @@ 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,
@ -170,5 +144,29 @@ def get_about_info(ucid, locale)
allowed_regions: allowed_regions,
related_channels: related_channels,
tabs: tabs,
})
)
end
def fetch_related_channels(related_channels : RelatedChannels) : Array(AboutRelatedChannel)
channels = YoutubeAPI.browse(browse_id: related_channels.browse_id, params: related_channels.params || "")
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

View File

@ -96,7 +96,8 @@ module Invidious::Routes::API::V1::Channels
json.field "relatedChannels" do
json.array do
channel.related_channels.each do |related_channel|
if related_channels = channel.related_channels
fetch_related_channels(related_channels).each do |related_channel|
json.object do
json.field "author", related_channel.author
json.field "authorId", related_channel.ucid
@ -122,6 +123,7 @@ module Invidious::Routes::API::V1::Channels
end
end
end
end
def self.latest(env)
locale = env.get("preferences").as(Preferences).locale