Speed up get_video

This commit is contained in:
Omar Roth 2018-01-07 11:42:24 -06:00
parent eed7a25e7d
commit d65106d8b1

View File

@ -82,13 +82,14 @@ def fetch_video(id)
return video
end
def get_video(id)
if PG_DB.query_one?("SELECT EXISTS ( SELECT true FROM videos WHERE id = $1)", id, as: Bool)
def get_video(id, refresh = true)
if PG_DB.query_one?("SELECT EXISTS (SELECT true FROM videos WHERE id = $1)", id, as: Bool)
video = PG_DB.query_one("SELECT * FROM videos WHERE id = $1", id, as: Video)
# If record was last updated more than 5 hours ago, refresh (expire param in response lasts for 6 hours)
if Time.now - video.updated > Time::Span.new(0, 5, 0, 0)
if refresh && Time.now - video.updated > Time::Span.new(0, 5, 0, 0)
video = fetch_video(id)
PG_DB.exec("UPDATE videos SET info = $2, html = $3, updated = $4 WHERE id = $1", video.to_a)
end
else
video = fetch_video(id)
@ -112,11 +113,12 @@ get "/watch" do |env|
next templated "error"
end
if env.params.query["listen"]? && env.params.query["listen"] == "true"
env.request.query_params.delete_all("listen")
query = HTTP::Params.parse(env.request.query.not_nil!)
if query["listen"]? && query["listen"] == "true"
query.delete_all("listen")
listen = true
else
env.request.query_params["listen"] = "true"
query["listen"] = "true"
listen = false
end
@ -141,7 +143,7 @@ get "/watch" do |env|
related_videos.each do |related_video|
related_id = related_video.content.split("=")[1]
begin
related_videos_list << get_video(related_id)
related_videos_list << get_video(related_id, false)
rescue ex
p "#{related_id}: #{ex.message}"
end
@ -182,24 +184,25 @@ get "/watch" do |env|
end
get "/search" do |env|
query = URI.escape(env.params.query["q"])
query = env.params.query["q"]
client = HTTP::Client.new("www.youtube.com", 443, CONTEXT)
html = client.get("https://www.youtube.com/results?q=#{query}&page=1").body
html = client.get("https://www.youtube.com/results?q=#{URI.escape(query)}&page=1").body
html = XML.parse(html)
videos = html.xpath_nodes(%q(//div[@class="style-scope ytd-item-section-renderer"]/ytd-video-renderer))
channels = html.xpath_nodes(%q(//div[@class="style-scope ytd-item-section-renderer"]/ytd-channel-renderer))
if videos.empty?
videos = html.xpath_nodes(%q(//div[contains(@class,"yt-lockup-video")]/div/div[contains(@class,"yt-lockup-thumbnail")]/a/@href))
channels = html.xpath_nodes(%q(//div[contains(@class,"yt-lockup-channel")]/div/div[contains(@class,"yt-lockup-thumbnail")]/a/@href))
if videos.empty?
videos = html.xpath_nodes(%q(//div[contains(@class,"yt-lockup-video")]/div/div[@class="yt-lockup-content"]/h3/a/@href))
channels = html.xpath_nodes(%q(//div[contains(@class,"yt-lockup-channel")]/div[@class="yt-lockup-content"]/h3/a/@href))
end
videos_list = [] of Video
videos.each do |video|
id = video.content.split("=")[1]
begin
videos_list << get_video(id)
videos_list << get_video(id, false)
rescue ex
p "#{id}: #{ex.message}"
end