iv-org-mirror/invidious-copy-2022-08-14
1
0
Fork 0
mirror of https://gitea.invidious.io/iv-org/invidious-copy-2022-08-14.git synced 2024-08-15 00:53:20 +00:00
Code Issues Projects Releases Packages Wiki Activity

Add '/api/v1/auth/feeds'

Browse source
This commit is contained in:
Omar Roth 2019-06-07 12:39:12 -05:00
parent ab3980cd38
commit 27e032d10d
No known key found for this signature in database
GPG key ID: B8254FB7EC3D37F2
4 changed files with 263 additions and 246 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

318
src/invidious.cr
View file

@ -40,18 +40,19 @@ PG_URL = URI.new(
path: CONFIG.db.dbname, path: CONFIG.db.dbname,
) )
PG_DB = DB.open PG_URL PG_DB = DB.open PG_URL
ARCHIVE_URL = URI.parse("https://archive.org") ARCHIVE_URL = URI.parse("https://archive.org")
LOGIN_URL = URI.parse("https://accounts.google.com") LOGIN_URL = URI.parse("https://accounts.google.com")
PUBSUB_URL = URI.parse("https://pubsubhubbub.appspot.com") PUBSUB_URL = URI.parse("https://pubsubhubbub.appspot.com")
REDDIT_URL = URI.parse("https://www.reddit.com") REDDIT_URL = URI.parse("https://www.reddit.com")
TEXTCAPTCHA_URL = URI.parse("http://textcaptcha.com") TEXTCAPTCHA_URL = URI.parse("http://textcaptcha.com")
YT_URL = URI.parse("https://www.youtube.com") YT_URL = URI.parse("https://www.youtube.com")
CHARS_SAFE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_" CHARS_SAFE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_"
TEST_IDS = {"AgbeGFYluEA", "BaW_jenozKc", "a9LDPn-MO4I", "ddFvjfvPnqk", "iqKdEhx-dD4"} TEST_IDS = {"AgbeGFYluEA", "BaW_jenozKc", "a9LDPn-MO4I", "ddFvjfvPnqk", "iqKdEhx-dD4"}
CURRENT_BRANCH = {{ "#{`git branch | sed -n '/\* /s///p'`.strip}" }} CURRENT_BRANCH = {{ "#{`git branch | sed -n '/\* /s///p'`.strip}" }}
CURRENT_COMMIT = {{ "#{`git rev-list HEAD --max-count=1 --abbrev-commit`.strip}" }} CURRENT_COMMIT = {{ "#{`git rev-list HEAD --max-count=1 --abbrev-commit`.strip}" }}
CURRENT_VERSION = {{ "#{`git describe --tags --abbrev=0`.strip}" }} CURRENT_VERSION = {{ "#{`git describe --tags --abbrev=0`.strip}" }}
MAX_ITEMS_PER_PAGE = 1000
# This is used to determine the `?v=` on the end of file URLs (for cache busting). We # This is used to determine the `?v=` on the end of file URLs (for cache busting). We
# only need to expire modified assets, so we can use this to find the last commit that changes # only need to expire modified assets, so we can use this to find the last commit that changes
@ -2369,13 +2370,15 @@ get "/feed/subscriptions" do |env|
sid = env.get? "sid" sid = env.get? "sid"
referer = get_referer(env) referer = get_referer(env)
if user if !user
next env.redirect referer
end
user = user.as(User) user = user.as(User)
sid = sid.as(String) sid = sid.as(String)
preferences = user.preferences
token = user.token token = user.token
if preferences.unseen_only if user.preferences.unseen_only
env.set "show_watched", true env.set "show_watched", true
end end
@ -2387,113 +2390,14 @@ get "/feed/subscriptions" do |env|
user, sid = get_user(sid, headers, PG_DB) user, sid = get_user(sid, headers, PG_DB)
end end
max_results = preferences.max_results max_results = user.preferences.max_results
max_results ||= env.params.query["max_results"]?.try &.to_i? max_results ||= env.params.query["max_results"]?.try &.to_i?
max_results ||= 40 max_results ||= 40
page = env.params.query["page"]?.try &.to_i? page = env.params.query["page"]?.try &.to_i?
page ||= 1 page ||= 1
if max_results < 0 videos, notifications = get_subscription_feed(PG_DB, user, max_results, page)
limit = nil
offset = (page - 1) * 1
else
limit = max_results
offset = (page - 1) * max_results
end
notifications = PG_DB.query_one("SELECT notifications FROM users WHERE email = $1", user.email,
as: Array(String))
view_name = "subscriptions_#{sha256(user.email)}"
if preferences.notifications_only && !notifications.empty?
# Only show notifications
args = arg_array(notifications)
notifications = PG_DB.query_all("SELECT * FROM channel_videos WHERE id IN (#{args})
ORDER BY published DESC", notifications, as: ChannelVideo)
videos = [] of ChannelVideo
notifications.sort_by! { |video| video.published }.reverse!
case preferences.sort
when "alphabetically"
notifications.sort_by! { |video| video.title }
when "alphabetically - reverse"
notifications.sort_by! { |video| video.title }.reverse!
when "channel name"
notifications.sort_by! { |video| video.author }
when "channel name - reverse"
notifications.sort_by! { |video| video.author }.reverse!
end
else
if preferences.latest_only
if preferences.unseen_only
# Show latest video from a channel that a user hasn't watched
# "unseen_only" isn't really correct here, more accurate would be "unwatched_only"
if user.watched.empty?
values = "'{}'"
else
values = "VALUES #{user.watched.map { |id| %(('#{id}')) }.join(",")}"
end
videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM #{view_name} WHERE \
NOT id = ANY (#{values}) \
ORDER BY ucid, published DESC", as: ChannelVideo)
else
# Show latest video from each channel
videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM #{view_name} \
ORDER BY ucid, published DESC", as: ChannelVideo)
end
videos.sort_by! { |video| video.published }.reverse!
else
if preferences.unseen_only
# Only show unwatched
if user.watched.empty?
values = "'{}'"
else
values = "VALUES #{user.watched.map { |id| %(('#{id}')) }.join(",")}"
end
videos = PG_DB.query_all("SELECT * FROM #{view_name} WHERE \
NOT id = ANY (#{values}) \
ORDER BY published DESC LIMIT $1 OFFSET $2", limit, offset, as: ChannelVideo)
else
# Sort subscriptions as normal
videos = PG_DB.query_all("SELECT * FROM #{view_name} \
ORDER BY published DESC LIMIT $1 OFFSET $2", limit, offset, as: ChannelVideo)
end
end
case preferences.sort
when "published - reverse"
videos.sort_by! { |video| video.published }
when "alphabetically"
videos.sort_by! { |video| video.title }
when "alphabetically - reverse"
videos.sort_by! { |video| video.title }.reverse!
when "channel name"
videos.sort_by! { |video| video.author }
when "channel name - reverse"
videos.sort_by! { |video| video.author }.reverse!
end
notifications = PG_DB.query_one("SELECT notifications FROM users WHERE email = $1", user.email,
as: Array(String))
notifications = videos.select { |v| notifications.includes? v.id }
videos = videos - notifications
end
if !limit
videos = videos[0..max_results]
end
# Clear user's notifications and set updated to the current time.
# "updated" here is used for delivering new notifications, so if # "updated" here is used for delivering new notifications, so if
# we know a user has looked at their feed e.g. in the past 10 minutes, # we know a user has looked at their feed e.g. in the past 10 minutes,
@ -2505,10 +2409,7 @@ get "/feed/subscriptions" do |env|
env.set "user", user env.set "user", user
templated "subscriptions" templated "subscriptions"
else
env.redirect referer
end end
end
get "/feed/history" do |env| get "/feed/history" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]? locale = LOCALES[env.get("preferences").as(Preferences).locale]?
@ -2519,10 +2420,13 @@ get "/feed/history" do |env|
page = env.params.query["page"]?.try &.to_i? page = env.params.query["page"]?.try &.to_i?
page ||= 1 page ||= 1
if user if !user
next env.redirect referer
end
user = user.as(User) user = user.as(User)
limit = user.preferences.max_results limit = user.preferences.max_results.clamp(0, MAX_ITEMS_PER_PAGE)
if user.watched[(page - 1) * limit]? if user.watched[(page - 1) * limit]?
watched = user.watched.reverse[(page - 1) * limit, limit] watched = user.watched.reverse[(page - 1) * limit, limit]
else else
@ -2530,10 +2434,7 @@ get "/feed/history" do |env|
end end
templated "history" templated "history"
else
env.redirect referer
end end
end
get "/feed/channel/:ucid" do |env| get "/feed/channel/:ucid" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]? locale = LOCALES[env.get("preferences").as(Preferences).locale]?
@ -2586,13 +2487,12 @@ get "/feed/channel/:ucid" do |env|
end end
host_url = make_host_url(config, Kemal.config) host_url = make_host_url(config, Kemal.config)
path = env.request.path
feed = XML.build(indent: " ", encoding: "UTF-8") do |xml| XML.build(indent: " ", encoding: "UTF-8") do |xml|
xml.element("feed", "xmlns:yt": "http://www.youtube.com/xml/schemas/2015", xml.element("feed", "xmlns:yt": "http://www.youtube.com/xml/schemas/2015",
"xmlns:media": "http://search.yahoo.com/mrss/", xmlns: "http://www.w3.org/2005/Atom", "xmlns:media": "http://search.yahoo.com/mrss/", xmlns: "http://www.w3.org/2005/Atom",
"xml:lang": "en-US") do "xml:lang": "en-US") do
xml.element("link", rel: "self", href: "#{host_url}#{path}") xml.element("link", rel: "self", href: "#{host_url}#{env.request.resource}")
xml.element("id") { xml.text "yt:channel:#{ucid}" } xml.element("id") { xml.text "yt:channel:#{ucid}" }
xml.element("yt:channelId") { xml.text ucid } xml.element("yt:channelId") { xml.text ucid }
xml.element("title") { xml.text author } xml.element("title") { xml.text author }
@ -2604,50 +2504,11 @@ get "/feed/channel/:ucid" do |env|
end end
videos.each do |video| videos.each do |video|
xml.element("entry") do video.to_xml(host_url, auto_generated, xml)
xml.element("id") { xml.text "yt:video:#{video.id}" }
xml.element("yt:videoId") { xml.text video.id }
xml.element("yt:channelId") { xml.text video.ucid }
xml.element("title") { xml.text video.title }
xml.element("link", rel: "alternate", href: "#{host_url}/watch?v=#{video.id}")
xml.element("author") do
if auto_generated
xml.element("name") { xml.text video.author }
xml.element("uri") { xml.text "#{host_url}/channel/#{video.ucid}" }
else
xml.element("name") { xml.text author }
xml.element("uri") { xml.text "#{host_url}/channel/#{ucid}" }
end end
end end
xml.element("content", type: "xhtml") do
xml.element("div", xmlns: "http://www.w3.org/1999/xhtml") do
xml.element("a", href: "#{host_url}/watch?v=#{video.id}") do
xml.element("img", src: "#{host_url}/vi/#{video.id}/mqdefault.jpg")
end end
end end
end
xml.element("published") { xml.text video.published.to_s("%Y-%m-%dT%H:%M:%S%:z") }
xml.element("media:group") do
xml.element("media:title") { xml.text video.title }
xml.element("media:thumbnail", url: "#{host_url}/vi/#{video.id}/mqdefault.jpg",
width: "320", height: "180")
xml.element("media:description") { xml.text video.description }
end
xml.element("media:community") do
xml.element("media:statistics", views: video.views)
end
end
end
end
end
feed
end
get "/feed/private" do |env| get "/feed/private" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]? locale = LOCALES[env.get("preferences").as(Preferences).locale]?
@ -2667,103 +2528,30 @@ get "/feed/private" do |env|
next next
end end
max_results = user.preferences.max_results
max_results = env.params.query["max_results"]?.try &.to_i? max_results = env.params.query["max_results"]?.try &.to_i?
max_results ||= 40 max_results ||= 40
page = env.params.query["page"]?.try &.to_i? page = env.params.query["page"]?.try &.to_i?
page ||= 1 page ||= 1
if max_results < 0 videos, notifications = get_subscription_feed(PG_DB, user, max_results, page)
limit = nil
offset = (page - 1) * 1
else
limit = max_results
offset = (page - 1) * max_results
end
latest_only = env.params.query["latest_only"]?.try &.to_i?
latest_only ||= 0
latest_only = latest_only == 1
sort = env.params.query["sort"]?
sort ||= "published"
view_name = "subscriptions_#{sha256(user.email)}"
if latest_only
videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM #{view_name} \
ORDER BY ucid, published DESC", as: ChannelVideo)
videos.sort_by! { |video| video.published }.reverse!
else
videos = PG_DB.query_all("SELECT * FROM #{view_name} \
ORDER BY published DESC LIMIT $1 OFFSET $2", limit, offset, as: ChannelVideo)
end
case sort
when "reverse_published"
videos.sort_by! { |video| video.published }
when "alphabetically"
videos.sort_by! { |video| video.title }
when "reverse_alphabetically"
videos.sort_by! { |video| video.title }.reverse!
when "channel_name"
videos.sort_by! { |video| video.author }
when "reverse_channel_name"
videos.sort_by! { |video| video.author }.reverse!
end
if !limit
videos = videos[0..max_results]
end
host_url = make_host_url(config, Kemal.config) host_url = make_host_url(config, Kemal.config)
path = env.request.path
query = env.request.query.not_nil!
feed = XML.build(indent: " ", encoding: "UTF-8") do |xml| XML.build(indent: " ", encoding: "UTF-8") do |xml|
xml.element("feed", "xmlns:yt": "http://www.youtube.com/xml/schemas/2015", xml.element("feed", "xmlns:yt": "http://www.youtube.com/xml/schemas/2015",
"xmlns:media": "http://search.yahoo.com/mrss/", xmlns: "http://www.w3.org/2005/Atom", "xmlns:media": "http://search.yahoo.com/mrss/", xmlns: "http://www.w3.org/2005/Atom",
"xml:lang": "en-US") do "xml:lang": "en-US") do
xml.element("link", "type": "text/html", rel: "alternate", href: "#{host_url}/feed/subscriptions") xml.element("link", "type": "text/html", rel: "alternate", href: "#{host_url}/feed/subscriptions")
xml.element("link", "type": "application/atom+xml", rel: "self", href: "#{host_url}#{path}?#{query}") xml.element("link", "type": "application/atom+xml", rel: "self",
href: "#{host_url}#{env.request.resource}")
xml.element("title") { xml.text translate(locale, "Invidious Private Feed for `x`", user.email) } xml.element("title") { xml.text translate(locale, "Invidious Private Feed for `x`", user.email) }
videos.each do |video| videos.each do |video|
xml.element("entry") do video.to_xml(locale, host_url, xml)
xml.element("id") { xml.text "yt:video:#{video.id}" }
xml.element("yt:videoId") { xml.text video.id }
xml.element("yt:channelId") { xml.text video.ucid }
xml.element("title") { xml.text video.title }
xml.element("link", rel: "alternate", href: "#{host_url}/watch?v=#{video.id}")
xml.element("author") do
xml.element("name") { xml.text video.author }
xml.element("uri") { xml.text "#{host_url}/channel/#{video.ucid}" }
end
xml.element("content", type: "xhtml") do
xml.element("div", xmlns: "http://www.w3.org/1999/xhtml") do
xml.element("a", href: "#{host_url}/watch?v=#{video.id}") do
xml.element("img", src: "#{host_url}/vi/#{video.id}/mqdefault.jpg")
end
end
end
xml.element("published") { xml.text video.published.to_s("%Y-%m-%dT%H:%M:%S%:z") }
xml.element("updated") { xml.text video.updated.to_s("%Y-%m-%dT%H:%M:%S%:z") }
xml.element("media:group") do
xml.element("media:title") { xml.text video.title }
xml.element("media:thumbnail", url: "#{host_url}/vi/#{video.id}/mqdefault.jpg",
width: "320", height: "180")
end
end
end end
end end
end end
feed
end end
get "/feed/playlist/:plid" do |env| get "/feed/playlist/:plid" do |env|
@ -4475,6 +4263,8 @@ get "/api/v1/mixes/:rdid" do |env|
response response
end end
# Authenticated endpoints
get "/api/v1/auth/notifications" do |env| get "/api/v1/auth/notifications" do |env|
env.response.content_type = "text/event-stream" env.response.content_type = "text/event-stream"
@ -4514,6 +4304,42 @@ post "/api/v1/auth/preferences" do |env|
env.response.status_code = 204 env.response.status_code = 204
end end
get "/api/v1/auth/feed" do |env|
env.response.content_type = "application/json"
user = env.get("user").as(User)
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
max_results = user.preferences.max_results
max_results ||= env.params.query["max_results"]?.try &.to_i?
max_results ||= 40
page = env.params.query["page"]?.try &.to_i?
page ||= 1
videos, notifications = get_subscription_feed(PG_DB, user, max_results, page)
JSON.build do |json|
json.object do
json.field "notifications" do
json.array do
notifications.each do |video|
video.to_json(locale, config, Kemal.config, json)
end
end
end
json.field "videos" do
json.array do
videos.each do |video|
video.to_json(locale, config, Kemal.config, json)
end
end
end
end
end
end
get "/api/v1/auth/subscriptions" do |env| get "/api/v1/auth/subscriptions" do |env|
env.response.content_type = "application/json" env.response.content_type = "application/json"
user = env.get("user").as(User) user = env.get("user").as(User)

42
src/invidious/channels.cr
View file

@ -41,6 +41,48 @@ struct ChannelVideo
end end
end end
def to_xml(locale, host_url, xml : XML::Builder)
xml.element("entry") do
xml.element("id") { xml.text "yt:video:#{self.id}" }
xml.element("yt:videoId") { xml.text self.id }
xml.element("yt:channelId") { xml.text self.ucid }
xml.element("title") { xml.text self.title }
xml.element("link", rel: "alternate", href: "#{host_url}/watch?v=#{self.id}")
xml.element("author") do
xml.element("name") { xml.text self.author }
xml.element("uri") { xml.text "#{host_url}/channel/#{self.ucid}" }
end
xml.element("content", type: "xhtml") do
xml.element("div", xmlns: "http://www.w3.org/1999/xhtml") do
xml.element("a", href: "#{host_url}/watch?v=#{self.id}") do
xml.element("img", src: "#{host_url}/vi/#{self.id}/mqdefault.jpg")
end
end
end
xml.element("published") { xml.text self.published.to_s("%Y-%m-%dT%H:%M:%S%:z") }
xml.element("updated") { xml.text self.updated.to_s("%Y-%m-%dT%H:%M:%S%:z") }
xml.element("media:group") do
xml.element("media:title") { xml.text self.title }
xml.element("media:thumbnail", url: "#{host_url}/vi/#{self.id}/mqdefault.jpg",
width: "320", height: "180")
end
end
end
def to_xml(locale, config, kemal_config, xml : XML::Builder | Nil = nil)
if xml
to_xml(locale, config, kemal_config, xml)
else
XML.build do |xml|
to_xml(locale, config, kemal_config, xml)
end
end
end
db_mapping({ db_mapping({
id: String, id: String,
title: String, title: String,

51
src/invidious/search.cr
View file

@ -1,4 +1,55 @@
struct SearchVideo struct SearchVideo
def to_xml(host_url, auto_generated, xml : XML::Builder)
xml.element("entry") do
xml.element("id") { xml.text "yt:video:#{self.id}" }
xml.element("yt:videoId") { xml.text self.id }
xml.element("yt:channelId") { xml.text self.ucid }
xml.element("title") { xml.text self.title }
xml.element("link", rel: "alternate", href: "#{host_url}/watch?v=#{self.id}")
xml.element("author") do
if auto_generated
xml.element("name") { xml.text self.author }
xml.element("uri") { xml.text "#{host_url}/channel/#{self.ucid}" }
else
xml.element("name") { xml.text author }
xml.element("uri") { xml.text "#{host_url}/channel/#{ucid}" }
end
end
xml.element("content", type: "xhtml") do
xml.element("div", xmlns: "http://www.w3.org/1999/xhtml") do
xml.element("a", href: "#{host_url}/watch?v=#{self.id}") do
xml.element("img", src: "#{host_url}/vi/#{self.id}/mqdefault.jpg")
end
end
end
xml.element("published") { xml.text self.published.to_s("%Y-%m-%dT%H:%M:%S%:z") }
xml.element("media:group") do
xml.element("media:title") { xml.text self.title }
xml.element("media:thumbnail", url: "#{host_url}/vi/#{self.id}/mqdefault.jpg",
width: "320", height: "180")
xml.element("media:description") { xml.text self.description }
end
xml.element("media:community") do
xml.element("media:statistics", views: self.views)
end
end
end
def to_xml(host_url, auto_generated, xml : XML::Builder | Nil = nil)
if xml
to_xml(host_url, auto_generated, xml)
else
XML.build do |json|
to_xml(host_url, auto_generated, xml)
end
end
end
db_mapping({ db_mapping({
title: String, title: String,
id: String, id: String,

98
src/invidious/users.cr
View file

@ -321,3 +321,101 @@ def subscribe_ajax(channel_id, action, env_headers)
client.post(post_url, headers, form: post_req) client.post(post_url, headers, form: post_req)
end end
end end
def get_subscription_feed(db, user, max_results = 40, page = 1)
limit = max_results.clamp(0, MAX_ITEMS_PER_PAGE)
offset = (page - 1) * limit
notifications = db.query_one("SELECT notifications FROM users WHERE email = $1", user.email,
as: Array(String))
view_name = "subscriptions_#{sha256(user.email)}"
if user.preferences.notifications_only && !notifications.empty?
# Only show notifications
args = arg_array(notifications)
notifications = db.query_all("SELECT * FROM channel_videos WHERE id IN (#{args})
ORDER BY published DESC", notifications, as: ChannelVideo)
videos = [] of ChannelVideo
notifications.sort_by! { |video| video.published }.reverse!
case user.preferences.sort
when "alphabetically"
notifications.sort_by! { |video| video.title }
when "alphabetically - reverse"
notifications.sort_by! { |video| video.title }.reverse!
when "channel name"
notifications.sort_by! { |video| video.author }
when "channel name - reverse"
notifications.sort_by! { |video| video.author }.reverse!
end
else
if user.preferences.latest_only
if user.preferences.unseen_only
# Show latest video from a channel that a user hasn't watched
# "unseen_only" isn't really correct here, more accurate would be "unwatched_only"
if user.watched.empty?
values = "'{}'"
else
values = "VALUES #{user.watched.map { |id| %(('#{id}')) }.join(",")}"
end
videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM #{view_name} WHERE \
NOT id = ANY (#{values}) \
ORDER BY ucid, published DESC", as: ChannelVideo)
else
# Show latest video from each channel
videos = PG_DB.query_all("SELECT DISTINCT ON (ucid) * FROM #{view_name} \
ORDER BY ucid, published DESC", as: ChannelVideo)
end
videos.sort_by! { |video| video.published }.reverse!
else
if user.preferences.unseen_only
# Only show unwatched
if user.watched.empty?
values = "'{}'"
else
values = "VALUES #{user.watched.map { |id| %(('#{id}')) }.join(",")}"
end
videos = PG_DB.query_all("SELECT * FROM #{view_name} WHERE \
NOT id = ANY (#{values}) \
ORDER BY published DESC LIMIT $1 OFFSET $2", limit, offset, as: ChannelVideo)
else
# Sort subscriptions as normal
videos = PG_DB.query_all("SELECT * FROM #{view_name} \
ORDER BY published DESC LIMIT $1 OFFSET $2", limit, offset, as: ChannelVideo)
end
end
case user.preferences.sort
when "published - reverse"
videos.sort_by! { |video| video.published }
when "alphabetically"
videos.sort_by! { |video| video.title }
when "alphabetically - reverse"
videos.sort_by! { |video| video.title }.reverse!
when "channel name"
videos.sort_by! { |video| video.author }
when "channel name - reverse"
videos.sort_by! { |video| video.author }.reverse!
end
notifications = PG_DB.query_one("SELECT notifications FROM users WHERE email = $1", user.email,
as: Array(String))
notifications = videos.select { |v| notifications.includes? v.id }
videos = videos - notifications
end
if !limit
videos = videos[0..max_results]
end
return videos, notifications
end