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Speed up get_video

This commit is contained in:
Omar Roth 2018-01-07 11:42:24 -06:00
parent eed7a25e7d
commit d65106d8b1
1 changed files with 17 additions and 14 deletions
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31
src/invidious.cr
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@ -82,13 +82,14 @@ def fetch_video(id)
return video return video
end end
def get_video(id) def get_video(id, refresh = true)
if PG_DB.query_one?("SELECT EXISTS ( SELECT true FROM videos WHERE id = $1)", id, as: Bool) 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) 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 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) video = fetch_video(id)
PG_DB.exec("UPDATE videos SET info = $2, html = $3, updated = $4 WHERE id = $1", video.to_a)
end end
else else
video = fetch_video(id) video = fetch_video(id)
@ -112,11 +113,12 @@ get "/watch" do |env|
next templated "error" next templated "error"
end end
if env.params.query["listen"]? && env.params.query["listen"] == "true" query = HTTP::Params.parse(env.request.query.not_nil!)
env.request.query_params.delete_all("listen") if query["listen"]? && query["listen"] == "true"
query.delete_all("listen")
listen = true listen = true
else else
env.request.query_params["listen"] = "true" query["listen"] = "true"
listen = false listen = false
end end
@ -141,7 +143,7 @@ get "/watch" do |env|
related_videos.each do |related_video| related_videos.each do |related_video|
related_id = related_video.content.split("=")[1] related_id = related_video.content.split("=")[1]
begin begin
related_videos_list << get_video(related_id) related_videos_list << get_video(related_id, false)
rescue ex rescue ex
p "#{related_id}: #{ex.message}" p "#{related_id}: #{ex.message}"
end end
@ -182,24 +184,25 @@ get "/watch" do |env|
end end
get "/search" do |env| 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) 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) html = XML.parse(html)
videos = html.xpath_nodes(%q(//div[@class="style-scope ytd-item-section-renderer"]/ytd-video-renderer)) 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[@class="style-scope ytd-item-section-renderer"]/ytd-channel-renderer)) channels = html.xpath_nodes(%q(//div[contains(@class,"yt-lockup-channel")]/div/div[contains(@class,"yt-lockup-thumbnail")]/a/@href))
if videos.empty? if videos.empty?
videos = html.xpath_nodes(%q(//div[contains(@class,"yt-lockup-video")]/div/div[contains(@class,"yt-lockup-thumbnail")]/a/@href)) 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/div[contains(@class,"yt-lockup-thumbnail")]/a/@href)) channels = html.xpath_nodes(%q(//div[contains(@class,"yt-lockup-channel")]/div[@class="yt-lockup-content"]/h3/a/@href))
end end
videos_list = [] of Video videos_list = [] of Video
videos.each do |video| videos.each do |video|
id = video.content.split("=")[1] id = video.content.split("=")[1]
begin begin
videos_list << get_video(id) videos_list << get_video(id, false)
rescue ex rescue ex
p "#{id}: #{ex.message}" p "#{id}: #{ex.message}"
end end