Add '/api/v1/auth/feeds'

This commit is contained in:
Omar Roth
2019-06-07 12:39:12 -05:00
parent ab3980cd38
commit 27e032d10d
4 changed files with 263 additions and 246 deletions

View File

@@ -321,3 +321,101 @@ def subscribe_ajax(channel_id, action, env_headers)
client.post(post_url, headers, form: post_req)
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