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module Invidious::Search
module Processors
extend self
# Regular search (`/search` endpoint)
def regular(query : Query) : Array(SearchItem)
search_params = query.filters.to_yt_params(page: query.page)
client_config = YoutubeAPI::ClientConfig.new(region: query.region)
initial_data = YoutubeAPI.search(query.text, search_params, client_config: client_config)
return extract_items(initial_data)
end
# Search a youtube channel
# TODO: clean code, and rely more on YoutubeAPI
def channel(query : Query) : Array(SearchItem)
response = YT_POOL.client &.get("/channel/#{query.channel}")
if response.status_code == 404
response = YT_POOL.client &.get("/user/#{query.channel}")
response = YT_POOL.client &.get("/c/#{query.channel}") if response.status_code == 404
initial_data = extract_initial_data(response.body)
ucid = initial_data.dig?("header", "c4TabbedHeaderRenderer", "channelId").try(&.as_s?)
raise ChannelSearchException.new(query.channel) if !ucid
else
ucid = query.channel
end
continuation = produce_channel_search_continuation(ucid, query.text, query.page)
response_json = YoutubeAPI.browse(continuation)
continuation_items = response_json["onResponseReceivedActions"]?
.try &.[0]["appendContinuationItemsAction"]["continuationItems"]
return [] of SearchItem if !continuation_items
items = [] of SearchItem
continuation_items.as_a.select(&.as_h.has_key?("itemSectionRenderer")).each do |item|
extract_item(item["itemSectionRenderer"]["contents"].as_a[0]).try { |t| items << t }
end
return items
end
# Search inside of user subscriptions
def subscriptions(query : Query, user : Invidious::User) : Array(ChannelVideo)
view_name = "subscriptions_#{sha256(user.email)}"
return PG_DB.query_all("
SELECT id,title,published,updated,ucid,author,length_seconds
FROM (
SELECT *,
to_tsvector(#{view_name}.title) ||
to_tsvector(#{view_name}.author)
as document
FROM #{view_name}
) v_search WHERE v_search.document @@ plainto_tsquery($1) LIMIT 20 OFFSET $2;",
query.text, (query.page - 1) * 20,
as: ChannelVideo
)
end
end
end
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