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Refactor connect_listen for notifications

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This commit is contained in:
Omar Roth 2019-06-02 07:41:53 -05:00
parent 576067c1e5
commit 71bf8b6b4d
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2 changed files with 115 additions and 90 deletions
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31
src/invidious.cr
View file

@ -186,6 +186,13 @@ spawn do
end
end
notification_channels = [] of Channel(PQ::Notification)
PG.connect_listen(PG_URL, "notifications") do |event|
notification_channels.each do |channel|
channel.send(event)
end
end
proxies = PROXY_LIST
before_all do |env|
@ -4457,17 +4464,37 @@ get "/api/v1/mixes/:rdid" do |env|
end
get "/api/v1/auth/notifications" do |env|
env.response.content_type = "text/event-stream"
topics = env.params.query["topics"]?.try &.split(",").uniq.first(1000)
topics ||= [] of String
create_notification_stream(env, proxies, config, Kemal.config, decrypt_function, topics)
notification_channel = Channel(PQ::Notification).new
notification_channels << notification_channel
begin
create_notification_stream(env, proxies, config, Kemal.config, decrypt_function, topics, notification_channel)
rescue ex
ensure
notification_channels.delete(notification_channel)
end
end
post "/api/v1/auth/notifications" do |env|
env.response.content_type = "text/event-stream"
topics = env.params.body["topics"]?.try &.split(",").uniq.first(1000)
topics ||= [] of String
create_notification_stream(env, proxies, config, Kemal.config, decrypt_function, topics)
notification_channel = Channel(PQ::Notification).new
notification_channels << notification_channel
begin
create_notification_stream(env, proxies, config, Kemal.config, decrypt_function, topics, notification_channel)
rescue ex
ensure
notification_channels.delete(notification_channel)
end
end
get "/api/v1/auth/preferences" do |env|

14
src/invidious/helpers/helpers.cr
View file

@ -661,14 +661,10 @@ def copy_in_chunks(input, output, chunk_size = 4096)
end
end
def create_notification_stream(env, proxies, config, kemal_config, decrypt_function, topics)
def create_notification_stream(env, proxies, config, kemal_config, decrypt_function, topics, notification_channel)
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
env.response.content_type = "text/event-stream"
since = env.params.query["since"]?.try &.to_i?
begin
id = 0
if topics.includes? "debug"
@ -734,8 +730,12 @@ def create_notification_stream(env, proxies, config, kemal_config, decrypt_funct
end
end
end
end
spawn do
loop do
event = notification_channel.receive
PG.connect_listen(PG_URL, "notifications") do |event|
notification = JSON.parse(event.payload)
topic = notification["topic"].as_s
video_id = notification["videoId"].as_s
@ -772,6 +772,4 @@ def create_notification_stream(env, proxies, config, kemal_config, decrypt_funct
env.response.flush
sleep (20 + rand(11)).seconds
end
rescue
end
end