forked from midou/invidious
Add related videos and clean up video class
This commit is contained in:
Omar Roth
@@ -1,37 +0,0 @@
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-- Table: public.videos
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-- DROP TABLE public.videos;
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CREATE TABLE public.videos
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(
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last_updated timestamp with time zone,
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video_id text COLLATE pg_catalog."default" NOT NULL,
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video_info text COLLATE pg_catalog."default",
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video_html text COLLATE pg_catalog."default",
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views bigint,
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likes integer,
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dislikes integer,
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rating double precision,
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description text COLLATE pg_catalog."default",
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CONSTRAINT videos_pkey PRIMARY KEY (video_id)
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)
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WITH (
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OIDS = FALSE
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)
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TABLESPACE pg_default;
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ALTER TABLE public.videos
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OWNER to omar;
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GRANT ALL ON TABLE public.videos TO kemal;
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GRANT ALL ON TABLE public.videos TO omar;
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-- Index: videos_video_id_idx
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-- DROP INDEX public.videos_video_id_idx;
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CREATE INDEX videos_video_id_idx
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ON public.videos USING btree
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(video_id COLLATE pg_catalog."default")
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TABLESPACE pg_default;
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244
src/invidious.cr
244
src/invidious.cr
@@ -5,85 +5,53 @@ require "pg"
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require "xml"
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require "time"
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PG_DB = DB.open "postgres://kemal:kemal@localhost:5432/invidious"
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CONTEXT = OpenSSL::SSL::Context::Client.insecure
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macro templated(filename)
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render "src/views/#{{{filename}}}.ecr", "src/views/layout.ecr"
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end
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class Video
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getter last_updated : Time
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getter video_id : String
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getter video_info : String
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getter video_html : String
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getter views : String
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getter likes : Int32
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getter dislikes : Int32
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getter rating : Float64
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getter description : String
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module HTTPParamConverter
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def self.from_rs(rs)
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HTTP::Params.parse(rs.read(String))
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end
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end
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def initialize(last_updated, video_id, video_info, video_html, views, likes, dislikes, rating, description)
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@last_updated = last_updated
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@video_id = video_id
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@video_info = video_info
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@video_html = video_html
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@views = views
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@likes = likes
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@dislikes = dislikes
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@rating = rating
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@description = description
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module XMLConverter
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def self.from_rs(rs)
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XML.parse(rs.read(String))
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end
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end
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def initialize(id, info, html, updated)
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@id = id
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@info = info
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@html = html
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@updated = updated
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end
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def to_a
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return [@last_updated, @video_id, @video_info, @video_html, @views, @likes, @dislikes, @rating, @description]
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return [@id, @info, @html, @updated]
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end
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DB.mapping({
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last_updated: Time,
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video_id: String,
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video_info: String,
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video_html: String,
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views: Int64,
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likes: Int32,
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dislikes: Int32,
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rating: Float64,
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description: String,
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id: String,
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info: {
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type: HTTP::Params,
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default: HTTP::Params.parse(""),
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converter: Video::HTTPParamConverter,
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},
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html: {
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type: XML::Node,
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default: XML.parse(""),
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converter: Video::XMLConverter,
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},
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updated: Time,
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})
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end
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def get_video(video_id, context)
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client = HTTP::Client.new("www.youtube.com", 443, context)
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video_info = client.get("/get_video_info?video_id=#{video_id}&el=info&ps=default&eurl=&gl=US&hl=en").body
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info = HTTP::Params.parse(video_info)
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video_html = client.get("/watch?v=#{video_id}").body
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html = XML.parse(video_html)
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views = info["view_count"].to_i64
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rating = info["avg_rating"].to_f64
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likes = html.xpath_node(%q(//button[@title="I like this"]/span))
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if likes
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likes = likes.content.delete(",").to_i
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else
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likes = 1
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end
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dislikes = html.xpath_node(%q(//button[@title="I dislike this"]/span))
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if dislikes
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dislikes = dislikes.content.delete(",").to_i
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else
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dislikes = 1
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end
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description = html.xpath_node(%q(//p[@id="eow-description"]))
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if description
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description = description.to_xml
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else
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description = ""
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end
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video_record = Video.new(Time.now, video_id, video_info, video_html, views, likes, dislikes, rating, description)
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return video_record
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end
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# See http://www.evanmiller.org/how-not-to-sort-by-average-rating.html
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def ci_lower_bound(pos, n)
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if n == 0
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@@ -97,15 +65,52 @@ def ci_lower_bound(pos, n)
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return (phat + z*z/(2*n) - z * Math.sqrt((phat*(1 - phat) + z*z/(4*n))/n))/(1 + z*z/n)
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end
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def fetch_video(id)
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client = HTTP::Client.new("www.youtube.com", 443, CONTEXT)
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info = client.get("/get_video_info?video_id=#{id}&el=info&ps=default&eurl=&gl=US&hl=en").body
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info = HTTP::Params.parse(info)
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html = client.get("/watch?v=#{id}").body
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html = XML.parse(html)
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if info["reason"]?
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raise info["reason"]
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end
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video = Video.new(id, info, html, Time.now)
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return video
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end
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def get_video(id)
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if PG_DB.query_one?("SELECT EXISTS ( SELECT true FROM videos WHERE id = $1)", id, as: Bool)
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video = PG_DB.query_one("SELECT * FROM videos WHERE id = $1", id, as: Video)
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# If record was last updated more than 5 hours ago, refresh (expire param in response lasts for 6 hours)
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if Time.now - video.updated > Time::Span.new(0, 5, 0, 0)
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video = fetch_video(id)
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end
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else
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video = fetch_video(id)
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PG_DB.exec("INSERT INTO videos VALUES ($1, $2, $3, $4)", video.to_a)
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end
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return video
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end
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get "/" do |env|
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templated "index"
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end
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pg = DB.open "postgres://kemal:kemal@localhost:5432/invidious"
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context = OpenSSL::SSL::Context::Client.insecure
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get "/watch" do |env|
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video_id = env.params.query["v"]
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id = env.params.query["v"]
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begin
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video = get_video(id)
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rescue ex
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error_message = ex.message
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next templated "error"
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end
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if env.params.query["listen"]? && env.params.query["listen"] == "true"
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env.request.query_params.delete_all("listen")
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@@ -115,55 +120,60 @@ get "/watch" do |env|
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listen = false
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end
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if pg.query_one?("select exists (select true from videos where video_id = $1)", video_id, as: Bool)
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video_record = pg.query_one("select * from videos where video_id = $1", video_id, as: Video)
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# If record was last updated more than 5 hours ago, refresh (expire param in response lasts for 6 hours)
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if Time.now - video_record.last_updated > Time::Span.new(0, 5, 0, 0)
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video_record = get_video(video_id, context)
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pg.exec("update videos set last_updated = $1, video_info = $3, video_html = $4,\
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views = $5, likes = $6, dislikes = $7, rating = $8, description = $9 where video_id = $2",
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video_record.to_a)
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end
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else
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client = HTTP::Client.new("www.youtube.com", 443, context)
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video_info = client.get("/get_video_info?video_id=#{video_id}&el=info&ps=default&eurl=&gl=US&hl=en").body
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info = HTTP::Params.parse(video_info)
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if info["reason"]?
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error_message = info["reason"]
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next templated "error"
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end
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video_record = get_video(video_id, context)
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pg.exec("insert into videos values ($1,$2,$3,$4,$5,$6,$7,$8, $9)", video_record.to_a)
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end
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# last_updated, video_id, video_info, video_html, views, likes, dislikes, rating
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video_info = HTTP::Params.parse(video_record.video_info)
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video_html = XML.parse(video_record.video_html)
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fmt_stream = [] of HTTP::Params
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video_info["url_encoded_fmt_stream_map"].split(",") do |string|
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video.info["url_encoded_fmt_stream_map"].split(",") do |string|
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fmt_stream << HTTP::Params.parse(string)
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end
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adaptive_fmts = [] of HTTP::Params
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video_info["adaptive_fmts"].split(",") do |string|
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adaptive_fmts << HTTP::Params.parse(string)
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end
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fmt_stream.reverse! # We want lowest quality first
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related_videos = video_html.xpath_nodes(%q(//li/div/a[contains(@class,"content-link")]/@href))
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if related_videos.empty?
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related_videos = video_html.xpath_nodes(%q(//ytd-compact-video-renderer/div/a/@href))
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adaptive_fmts = [] of HTTP::Params
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video.info["adaptive_fmts"].split(",") do |string|
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adaptive_fmts << HTTP::Params.parse(string)
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end
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likes = video_record.likes.to_f
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dislikes = video_record.dislikes.to_f
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views = video_record.views.to_f
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related_videos = video.html.xpath_nodes(%q(//li/div/a[contains(@class,"content-link")]/@href))
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if related_videos.empty?
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related_videos = video.html.xpath_nodes(%q(//ytd-compact-video-renderer/div/a/@href))
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end
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related_videos_list = [] of Video
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related_videos.each do |related_video|
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related_id = related_video.content.split("=")[1]
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begin
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related_videos_list << get_video(related_id)
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rescue ex
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p "#{related_id}: #{ex.message}"
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end
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end
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likes = video.html.xpath_node(%q(//button[@title="I like this"]/span))
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if likes
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likes = likes.content.delete(",").to_i
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else
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likes = 1
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end
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dislikes = video.html.xpath_node(%q(//button[@title="I dislike this"]/span))
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if dislikes
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dislikes = dislikes.content.delete(",").to_i
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else
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dislikes = 1
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end
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description = video.html.xpath_node(%q(//p[@id="eow-description"]))
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if description
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description = description.to_xml
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else
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description = ""
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end
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views = video.info["view_count"].to_i64
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rating = video.info["avg_rating"].to_f64
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likes = likes.to_f
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dislikes = dislikes.to_f
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views = views.to_f
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engagement = ((dislikes + likes)/views * 100)
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calculated_rating = (likes/(likes + dislikes) * 4 + 1)
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@@ -173,9 +183,9 @@ end
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get "/search" do |env|
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query = URI.escape(env.params.query["q"])
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client = HTTP::Client.new("www.youtube.com", 443, context)
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results_html = client.get("https://www.youtube.com/results?q=#{query}&page=1").body
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html = XML.parse(results_html)
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client = HTTP::Client.new("www.youtube.com", 443, CONTEXT)
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html = client.get("https://www.youtube.com/results?q=#{query}&page=1").body
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html = XML.parse(html)
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videos = html.xpath_nodes(%q(//div[@class="style-scope ytd-item-section-renderer"]/ytd-video-renderer))
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channels = html.xpath_nodes(%q(//div[@class="style-scope ytd-item-section-renderer"]/ytd-channel-renderer))
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@@ -185,6 +195,16 @@ get "/search" do |env|
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channels = html.xpath_nodes(%q(//div[contains(@class,"yt-lockup-channel")]/div/div[contains(@class,"yt-lockup-thumbnail")]/a/@href))
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end
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videos_list = [] of Video
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videos.each do |video|
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id = video.content.split("=")[1]
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begin
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videos_list << get_video(id)
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rescue ex
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p "#{id}: #{ex.message}"
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end
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end
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templated "search"
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end
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@@ -1,3 +1,3 @@
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<% videos.each do |video| %>
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<p><a href="<%= video.content %>"><%= video.content %></a></p>
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<% videos_list.each do |video| %>
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<p><a href="/watch?v=<%= video.id %>"><%= video.info["title"] %></a></p>
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<% end %>
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@@ -1,5 +1,5 @@
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<title><%= video_info["title"] %> - Invidious</title>
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<video style="width: 100%" poster="<%= video_info.has_key?("iurlhq720") ? video_info["iurlhq720"] : video_info["iurlmq"] %>" controls>
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<title><%= video.info["title"] %> - Invidious</title>
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<video style="width: 100%" poster="<%= video.info.has_key?("iurlhq720") ? video.info["iurlhq720"] : video.info["iurlmq"] %>" controls>
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<% if listen %>
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<% adaptive_fmts.each do |fmt| %>
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<% url = fmt["url"] %>
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@@ -14,28 +14,29 @@
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<% end %>
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<% end %>
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</video>
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<h1><%= video_info["title"] %> <a href="/watch?<%= env.request.query %>">
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<h1><%= video.info["title"] %> <a href="/watch?<%= env.request.query %>">
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<i class="fa <%= listen ? "fa-video-camera" : "fa-volume-up" %>" aria-hidden="true"></i>
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</a>
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</h1>
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<div class="pure-g">
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<div class="pure-u-1 pure-u-md-1-5">
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<p><i class="fa fa-eye" aria-hidden="true"></i> <%= video_record.views %></p>
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<p><i class="fa fa-thumbs-up" aria-hidden="true"></i> <%= video_record.likes %></p>
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<p><i class="fa fa-thumbs-down" aria-hidden="true"></i> <%= video_record.dislikes %></p>
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<p>Wilson Score : <%= ci_lower_bound(video_record.likes, video_record.likes + video_record.dislikes).round(4) %></p>
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<p>Rating : <%= video_record.rating.round(4) %> / 5</p>
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<p><i class="fa fa-eye" aria-hidden="true"></i> <%= views.to_i %></p>
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<p><i class="fa fa-thumbs-up" aria-hidden="true"></i> <%= likes.to_i %></p>
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<p><i class="fa fa-thumbs-down" aria-hidden="true"></i> <%= dislikes.to_i %></p>
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<p>Wilson Score : <%= ci_lower_bound(likes, likes + dislikes).round(4) %></p>
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<p>Rating : <%= rating.round(4) %> / 5</p>
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<!-- <p>Calculated Rating : <%= calculated_rating.round(4) %> / 5</p> -->
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<p>Engagement : <%= engagement.round(2) %>%</p>
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<p>Earnings : <%= video_info.has_key?("allowed_ads") ? "~$" + ((video_record.views.to_f / 500).round(2)).to_s : "Unmonetized" %></p>
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<p>Allowed ads : <br><%= video_info.has_key?("allowed_ads") ? video_info["allowed_ads"] : "Unmonetized" %></p>
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<p>Earnings : <%= video.info.has_key?("allowed_ads") ? "~$" + ((views.to_f / 500).round(2)).to_s : "Unmonetized" %></p>
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<p>Allowed ads : <br><%= video.info.has_key?("allowed_ads") ? video.info["allowed_ads"] : "Unmonetized" %></p>
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</div>
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<div class="pure-u-1 pure-u-md-3-5">
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<p><%= video_record.description %></p>
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<p><%= video.info["author"] %></p>
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<p><%= description %></p>
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</div>
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<div class="pure-u-1 pure-u-md-1-5">
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<% related_videos.each do |video| %>
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<p><a href="<%= video.content %>"><%= video.content %></a></p>
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<% related_videos_list.each do |video| %>
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<p><a href="/watch?v=<%= video.id %>"><%= video.info["title"] %></a></p>
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<% end %>
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</div>
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</div>
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32
videos.sql
Normal file
32
videos.sql
Normal file
@@ -0,0 +1,32 @@
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-- Table: public.videos
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|
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-- DROP TABLE public.videos;
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|
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CREATE TABLE public.videos
|
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(
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id text COLLATE pg_catalog."default" NOT NULL,
|
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info text COLLATE pg_catalog."default",
|
||||
html text COLLATE pg_catalog."default",
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||||
updated timestamp with time zone,
|
||||
CONSTRAINT videos_pkey PRIMARY KEY (id)
|
||||
)
|
||||
WITH (
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||||
OIDS = FALSE
|
||||
)
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||||
TABLESPACE pg_default;
|
||||
|
||||
ALTER TABLE public.videos
|
||||
OWNER to omar;
|
||||
|
||||
GRANT ALL ON TABLE public.videos TO kemal;
|
||||
|
||||
GRANT ALL ON TABLE public.videos TO omar;
|
||||
|
||||
-- Index: id_idx
|
||||
|
||||
-- DROP INDEX public.id_idx;
|
||||
|
||||
CREATE UNIQUE INDEX id_idx
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||||
ON public.videos USING btree
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(id COLLATE pg_catalog."default")
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TABLESPACE pg_default;
|
||||
Reference in New Issue
Block a user