asciinema.org/app/models/asciicast.rb
2014-08-30 20:10:49 +02:00

80 lines
2.1 KiB
Ruby

class Asciicast < ActiveRecord::Base
ORDER_MODES = { recency: 'created_at', popularity: 'views_count' }
mount_uploader :stdin_data, StdinDataUploader
mount_uploader :stdin_timing, StdinTimingUploader
mount_uploader :stdout_data, StdoutDataUploader
mount_uploader :stdout_timing, StdoutTimingUploader
mount_uploader :stdout_frames, StdoutFramesUploader
serialize :snapshot, ActiveSupportJsonProxy
validates :stdout_data, :stdout_timing, :presence => true
validates :terminal_columns, :terminal_lines, :duration, :presence => true
belongs_to :user
has_many :comments, -> { order(:created_at) }, :dependent => :destroy
has_many :likes, :dependent => :destroy
scope :featured, -> { where(featured: true) }
scope :by_recency, -> { order("created_at DESC") }
scope :by_random, -> { order("RANDOM()") }
scope :latest_limited, -> (n) { by_recency.limit(n).includes(:user) }
scope :random_featured_limited, -> (n) {
featured.by_random.limit(n).includes(:user)
}
def self.cache_key
timestamps = scoped.select(:updated_at).map { |o| o.updated_at.to_i }
Digest::MD5.hexdigest timestamps.join('/')
end
def self.paginate(page, per_page)
page(page).per(per_page)
end
def self.for_category_ordered(category, order, page = nil, per_page = nil)
collection = all
if category == :featured
collection = collection.featured
end
collection = collection.order("#{ORDER_MODES[order]} DESC")
if page
collection = collection.paginate(page, per_page)
end
collection
end
def user
super || self.user = dummy_user
end
def stdout
@stdout ||= BufferedStdout.new(stdout_data.decompressed_path,
stdout_timing.decompressed_path).lazy
end
def with_terminal
terminal = Terminal.new(terminal_columns, terminal_lines)
yield(terminal)
ensure
terminal.release if terminal
end
def theme
theme_name.presence && Theme.for_name(theme_name)
end
private
def dummy_user
User.new(username: 'anonymous').tap { |u| u.dummy = true }
end
end