46577fb128
This currently includes the following styles: - Invidious, the default - YouTube, using a centered play button and always visible video control bar Implements https://github.com/omarroth/invidious/issues/670. Supersedes https://github.com/omarroth/invidious/pull/661.
438 lines
16 KiB
Crystal
438 lines
16 KiB
Crystal
require "crypto/bcrypt/password"
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# Materialized views may not be defined using bound parameters (`$1` as used elsewhere)
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MATERIALIZED_VIEW_SQL = ->(email : String) { "SELECT cv.* FROM channel_videos cv WHERE EXISTS (SELECT subscriptions FROM users u WHERE cv.ucid = ANY (u.subscriptions) AND u.email = E'#{email.gsub({'\'' => "\\'", '\\' => "\\\\"})}') ORDER BY published DESC" }
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struct User
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module PreferencesConverter
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def self.from_rs(rs)
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begin
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Preferences.from_json(rs.read(String))
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rescue ex
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Preferences.from_json("{}")
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end
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end
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end
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db_mapping({
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updated: Time,
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notifications: Array(String),
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subscriptions: Array(String),
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email: String,
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preferences: {
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type: Preferences,
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converter: PreferencesConverter,
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},
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password: String?,
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token: String,
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watched: Array(String),
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feed_needs_update: Bool?,
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})
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end
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struct Preferences
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module StringToArray
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def self.to_json(value : Array(String), json : JSON::Builder)
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json.array do
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value.each do |element|
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json.string element
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end
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end
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end
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def self.from_json(value : JSON::PullParser) : Array(String)
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begin
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result = [] of String
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value.read_array do
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result << HTML.escape(value.read_string[0, 100])
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end
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rescue ex
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result = [HTML.escape(value.read_string[0, 100]), ""]
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end
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result
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end
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def self.to_yaml(value : Array(String), yaml : YAML::Nodes::Builder)
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yaml.sequence do
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value.each do |element|
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yaml.scalar element
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end
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end
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end
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def self.from_yaml(ctx : YAML::ParseContext, node : YAML::Nodes::Node) : Array(String)
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begin
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unless node.is_a?(YAML::Nodes::Sequence)
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node.raise "Expected sequence, not #{node.class}"
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end
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result = [] of String
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node.nodes.each do |item|
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unless item.is_a?(YAML::Nodes::Scalar)
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node.raise "Expected scalar, not #{item.class}"
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end
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result << HTML.escape(item.value[0, 100])
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end
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rescue ex
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if node.is_a?(YAML::Nodes::Scalar)
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result = [HTML.escape(node.value[0, 100]), ""]
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else
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result = ["", ""]
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end
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end
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result
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end
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end
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module ProcessString
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def self.to_json(value : String, json : JSON::Builder)
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json.string value
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end
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def self.from_json(value : JSON::PullParser) : String
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HTML.escape(value.read_string[0, 100])
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end
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def self.to_yaml(value : String, yaml : YAML::Nodes::Builder)
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yaml.scalar value
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end
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def self.from_yaml(ctx : YAML::ParseContext, node : YAML::Nodes::Node) : String
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HTML.escape(node.value[0, 100])
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end
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end
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module ClampInt
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def self.to_json(value : Int32, json : JSON::Builder)
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json.number value
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end
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def self.from_json(value : JSON::PullParser) : Int32
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value.read_int.clamp(0, MAX_ITEMS_PER_PAGE).to_i32
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end
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def self.to_yaml(value : Int32, yaml : YAML::Nodes::Builder)
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yaml.scalar value
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end
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def self.from_yaml(ctx : YAML::ParseContext, node : YAML::Nodes::Node) : Int32
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node.value.clamp(0, MAX_ITEMS_PER_PAGE)
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end
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end
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json_mapping({
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annotations: {type: Bool, default: CONFIG.default_user_preferences.annotations},
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annotations_subscribed: {type: Bool, default: CONFIG.default_user_preferences.annotations_subscribed},
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autoplay: {type: Bool, default: CONFIG.default_user_preferences.autoplay},
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captions: {type: Array(String), default: CONFIG.default_user_preferences.captions, converter: StringToArray},
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comments: {type: Array(String), default: CONFIG.default_user_preferences.comments, converter: StringToArray},
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continue: {type: Bool, default: CONFIG.default_user_preferences.continue},
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continue_autoplay: {type: Bool, default: CONFIG.default_user_preferences.continue_autoplay},
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dark_mode: {type: Bool, default: CONFIG.default_user_preferences.dark_mode},
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latest_only: {type: Bool, default: CONFIG.default_user_preferences.latest_only},
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listen: {type: Bool, default: CONFIG.default_user_preferences.listen},
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local: {type: Bool, default: CONFIG.default_user_preferences.local},
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locale: {type: String, default: CONFIG.default_user_preferences.locale, converter: ProcessString},
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max_results: {type: Int32, default: CONFIG.default_user_preferences.max_results, converter: ClampInt},
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notifications_only: {type: Bool, default: CONFIG.default_user_preferences.notifications_only},
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player_style: {type: String, default: CONFIG.default_user_preferences.player_style, converter: ProcessString},
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quality: {type: String, default: CONFIG.default_user_preferences.quality, converter: ProcessString},
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redirect_feed: {type: Bool, default: CONFIG.default_user_preferences.redirect_feed},
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related_videos: {type: Bool, default: CONFIG.default_user_preferences.related_videos},
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sort: {type: String, default: CONFIG.default_user_preferences.sort, converter: ProcessString},
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speed: {type: Float32, default: CONFIG.default_user_preferences.speed},
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thin_mode: {type: Bool, default: CONFIG.default_user_preferences.thin_mode},
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unseen_only: {type: Bool, default: CONFIG.default_user_preferences.unseen_only},
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video_loop: {type: Bool, default: CONFIG.default_user_preferences.video_loop},
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volume: {type: Int32, default: CONFIG.default_user_preferences.volume},
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})
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end
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def get_user(sid, headers, db, refresh = true)
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if email = db.query_one?("SELECT email FROM session_ids WHERE id = $1", sid, as: String)
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user = db.query_one("SELECT * FROM users WHERE email = $1", email, as: User)
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if refresh && Time.utc - user.updated > 1.minute
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user, sid = fetch_user(sid, headers, db)
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user_array = user.to_a
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user_array[4] = user_array[4].to_json
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args = arg_array(user_array)
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db.exec("INSERT INTO users VALUES (#{args}) \
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ON CONFLICT (email) DO UPDATE SET updated = $1, subscriptions = $3", user_array)
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db.exec("INSERT INTO session_ids VALUES ($1,$2,$3) \
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ON CONFLICT (id) DO NOTHING", sid, user.email, Time.utc)
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begin
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view_name = "subscriptions_#{sha256(user.email)}"
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db.exec("CREATE MATERIALIZED VIEW #{view_name} AS #{MATERIALIZED_VIEW_SQL.call(user.email)}")
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rescue ex
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end
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end
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else
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user, sid = fetch_user(sid, headers, db)
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user_array = user.to_a
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user_array[4] = user_array[4].to_json
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args = arg_array(user.to_a)
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db.exec("INSERT INTO users VALUES (#{args}) \
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ON CONFLICT (email) DO UPDATE SET updated = $1, subscriptions = $3", user_array)
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db.exec("INSERT INTO session_ids VALUES ($1,$2,$3) \
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ON CONFLICT (id) DO NOTHING", sid, user.email, Time.utc)
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begin
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view_name = "subscriptions_#{sha256(user.email)}"
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db.exec("CREATE MATERIALIZED VIEW #{view_name} AS #{MATERIALIZED_VIEW_SQL.call(user.email)}")
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rescue ex
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end
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end
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return user, sid
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end
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def fetch_user(sid, headers, db)
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client = make_client(YT_URL)
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feed = client.get("/subscription_manager?disable_polymer=1", headers)
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feed = XML.parse_html(feed.body)
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channels = [] of String
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channels = feed.xpath_nodes(%q(//ul[@id="guide-channels"]/li/a)).compact_map do |channel|
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if {"Popular on YouTube", "Music", "Sports", "Gaming"}.includes? channel["title"]
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nil
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else
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channel["href"].lstrip("/channel/")
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end
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end
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channels = get_batch_channels(channels, db, false, false)
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email = feed.xpath_node(%q(//a[@class="yt-masthead-picker-header yt-masthead-picker-active-account"]))
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if email
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email = email.content.strip
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else
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email = ""
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end
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token = Base64.urlsafe_encode(Random::Secure.random_bytes(32))
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user = User.new(Time.utc, [] of String, channels, email, CONFIG.default_user_preferences, nil, token, [] of String, true)
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return user, sid
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end
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def create_user(sid, email, password)
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password = Crypto::Bcrypt::Password.create(password, cost: 10)
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token = Base64.urlsafe_encode(Random::Secure.random_bytes(32))
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user = User.new(Time.utc, [] of String, [] of String, email, CONFIG.default_user_preferences, password.to_s, token, [] of String, true)
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return user, sid
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end
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def generate_captcha(key, db)
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second = Random::Secure.rand(12)
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second_angle = second * 30
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second = second * 5
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minute = Random::Secure.rand(12)
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minute_angle = minute * 30
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minute = minute * 5
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hour = Random::Secure.rand(12)
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hour_angle = hour * 30 + minute_angle.to_f / 12
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if hour == 0
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hour = 12
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end
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clock_svg = <<-END_SVG
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<svg viewBox="0 0 100 100" width="200px">
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<circle cx="50" cy="50" r="45" fill="#eee" stroke="black" stroke-width="2"></circle>
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<text x="69" y="20.091" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 1</text>
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<text x="82.909" y="34" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 2</text>
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<text x="88" y="53" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 3</text>
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<text x="82.909" y="72" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 4</text>
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<text x="69" y="85.909" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 5</text>
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<text x="50" y="91" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 6</text>
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<text x="31" y="85.909" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 7</text>
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<text x="17.091" y="72" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 8</text>
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<text x="12" y="53" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 9</text>
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<text x="17.091" y="34" text-anchor="middle" fill="black" font-family="Arial" font-size="10px">10</text>
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<text x="31" y="20.091" text-anchor="middle" fill="black" font-family="Arial" font-size="10px">11</text>
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<text x="50" y="15" text-anchor="middle" fill="black" font-family="Arial" font-size="10px">12</text>
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<circle cx="50" cy="50" r="3" fill="black"></circle>
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<line id="second" transform="rotate(#{second_angle}, 50, 50)" x1="50" y1="50" x2="50" y2="12" fill="black" stroke="black" stroke-width="1"></line>
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<line id="minute" transform="rotate(#{minute_angle}, 50, 50)" x1="50" y1="50" x2="50" y2="16" fill="black" stroke="black" stroke-width="2"></line>
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<line id="hour" transform="rotate(#{hour_angle}, 50, 50)" x1="50" y1="50" x2="50" y2="24" fill="black" stroke="black" stroke-width="2"></line>
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</svg>
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END_SVG
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image = ""
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convert = Process.run(%(convert -density 1200 -resize 400x400 -background none svg:- png:-), shell: true,
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input: IO::Memory.new(clock_svg), output: Process::Redirect::Pipe) do |proc|
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image = proc.output.gets_to_end
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image = Base64.strict_encode(image)
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image = "data:image/png;base64,#{image}"
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end
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answer = "#{hour}:#{minute.to_s.rjust(2, '0')}:#{second.to_s.rjust(2, '0')}"
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answer = OpenSSL::HMAC.hexdigest(:sha256, key, answer)
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return {
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question: image,
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tokens: {generate_response(answer, {":login"}, key, db, use_nonce: true)},
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}
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end
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def generate_text_captcha(key, db)
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response = make_client(TEXTCAPTCHA_URL).get("/omarroth@protonmail.com.json").body
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response = JSON.parse(response)
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tokens = response["a"].as_a.map do |answer|
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generate_response(answer.as_s, {":login"}, key, db, use_nonce: true)
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end
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return {
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question: response["q"].as_s,
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tokens: tokens,
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}
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end
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def subscribe_ajax(channel_id, action, env_headers)
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headers = HTTP::Headers.new
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headers["Cookie"] = env_headers["Cookie"]
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client = make_client(YT_URL)
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html = client.get("/subscription_manager?disable_polymer=1", headers)
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cookies = HTTP::Cookies.from_headers(headers)
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html.cookies.each do |cookie|
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if {"VISITOR_INFO1_LIVE", "YSC", "SIDCC"}.includes? cookie.name
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if cookies[cookie.name]?
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cookies[cookie.name] = cookie
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else
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cookies << cookie
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end
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end
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end
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headers = cookies.add_request_headers(headers)
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if match = html.body.match(/'XSRF_TOKEN': "(?<session_token>[A-Za-z0-9\_\-\=]+)"/)
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session_token = match["session_token"]
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headers["content-type"] = "application/x-www-form-urlencoded"
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post_req = {
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session_token: session_token,
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}
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post_url = "/subscription_ajax?#{action}=1&c=#{channel_id}"
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client.post(post_url, headers, form: post_req)
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end
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end
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def get_subscription_feed(db, user, max_results = 40, page = 1)
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limit = max_results.clamp(0, MAX_ITEMS_PER_PAGE)
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offset = (page - 1) * limit
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notifications = db.query_one("SELECT notifications FROM users WHERE email = $1", user.email,
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as: Array(String))
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view_name = "subscriptions_#{sha256(user.email)}"
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if user.preferences.notifications_only && !notifications.empty?
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# Only show notifications
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args = arg_array(notifications)
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notifications = db.query_all("SELECT * FROM channel_videos WHERE id IN (#{args})
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ORDER BY published DESC", notifications, as: ChannelVideo)
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videos = [] of ChannelVideo
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notifications.sort_by! { |video| video.published }.reverse!
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case user.preferences.sort
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when "alphabetically"
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notifications.sort_by! { |video| video.title }
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when "alphabetically - reverse"
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notifications.sort_by! { |video| video.title }.reverse!
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when "channel name"
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notifications.sort_by! { |video| video.author }
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when "channel name - reverse"
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notifications.sort_by! { |video| video.author }.reverse!
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end
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else
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if user.preferences.latest_only
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if user.preferences.unseen_only
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# Show latest video from a channel that a user hasn't watched
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# "unseen_only" isn't really correct here, more accurate would be "unwatched_only"
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if user.watched.empty?
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values = "'{}'"
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else
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values = "VALUES #{user.watched.map { |id| %(('#{id}')) }.join(",")}"
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end
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videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM #{view_name} WHERE \
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NOT id = ANY (#{values}) \
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ORDER BY ucid, published DESC", as: ChannelVideo)
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else
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# Show latest video from each channel
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videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM #{view_name} \
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ORDER BY ucid, published DESC", as: ChannelVideo)
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end
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videos.sort_by! { |video| video.published }.reverse!
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else
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if user.preferences.unseen_only
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# Only show unwatched
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if user.watched.empty?
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values = "'{}'"
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else
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values = "VALUES #{user.watched.map { |id| %(('#{id}')) }.join(",")}"
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end
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videos = PG_DB.query_all("SELECT * FROM #{view_name} WHERE \
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NOT id = ANY (#{values}) \
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ORDER BY published DESC LIMIT $1 OFFSET $2", limit, offset, as: ChannelVideo)
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else
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# Sort subscriptions as normal
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videos = PG_DB.query_all("SELECT * FROM #{view_name} \
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ORDER BY published DESC LIMIT $1 OFFSET $2", limit, offset, as: ChannelVideo)
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end
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end
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case user.preferences.sort
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when "published - reverse"
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videos.sort_by! { |video| video.published }
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when "alphabetically"
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videos.sort_by! { |video| video.title }
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when "alphabetically - reverse"
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videos.sort_by! { |video| video.title }.reverse!
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when "channel name"
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videos.sort_by! { |video| video.author }
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when "channel name - reverse"
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videos.sort_by! { |video| video.author }.reverse!
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end
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notifications = PG_DB.query_one("SELECT notifications FROM users WHERE email = $1", user.email,
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as: Array(String))
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notifications = videos.select { |v| notifications.includes? v.id }
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videos = videos - notifications
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end
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if !limit
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videos = videos[0..max_results]
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end
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return videos, notifications
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end
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