invidious-mod-JP/src/invidious/jobs/subscribe_to_feeds_job.cr

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class Invidious::Jobs::SubscribeToFeedsJob < Invidious::Jobs::BaseJob
private getter db : DB::Database
private getter logger : Invidious::LogHandler
private getter hmac_key : String
private getter config : Config
def initialize(@db, @logger, @config, @hmac_key)
end
def begin
max_threads = 1
if config.use_pubsub_feeds.is_a?(Int32)
max_threads = config.use_pubsub_feeds.as(Int32)
end
active_threads = 0
active_channel = Channel(Bool).new
loop do
db.query_all("SELECT id FROM channels WHERE CURRENT_TIMESTAMP - subscribed > interval '4 days' OR subscribed IS NULL") do |rs|
rs.each do
ucid = rs.read(String)
if active_threads >= max_threads.as(Int32)
if active_channel.receive
active_threads -= 1
end
end
active_threads += 1
spawn do
begin
response = subscribe_pubsub(ucid, hmac_key, config)
if response.status_code >= 400
logger.puts("#{ucid} : #{response.body}")
end
rescue ex
logger.puts("#{ucid} : #{ex.message}")
end
active_channel.send(true)
end
end
end
sleep 1.minute
Fiber.yield
end
end
end