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140 lines
3.6 KiB
Ruby
140 lines
3.6 KiB
Ruby
class Asciicast < ActiveRecord::Base
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ORDER_MODES = { date: 'created_at', popularity: 'views_count' }
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mount_uploader :stdin_data, StdinDataUploader
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mount_uploader :stdin_timing, StdinTimingUploader
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mount_uploader :stdout_data, StdoutDataUploader
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mount_uploader :stdout_timing, StdoutTimingUploader
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mount_uploader :stdout_frames, StdoutFramesUploader
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mount_uploader :file, AsciicastUploader
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mount_uploader :image, ImageUploader
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serialize :snapshot, ActiveSupportJsonProxy
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belongs_to :user
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has_many :comments, -> { order(:created_at) }, dependent: :destroy
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has_many :likes, dependent: :destroy
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validates :user, :duration, presence: true
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validates :stdout_data, :stdout_timing, presence: true, unless: :file
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validates :file, presence: true, unless: :stdout_data
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validates :snapshot_at, numericality: { greater_than: 0, allow_blank: true }
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validates :terminal_columns, presence: true, numericality: { greater_than: 0, less_than_or_equal_to: 1000 }
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validates :terminal_lines, presence: true, numericality: { greater_than: 0, less_than_or_equal_to: 500 }
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scope :featured, -> { where(featured: true) }
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scope :by_date, -> { order("created_at DESC") }
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scope :by_random, -> { order("RANDOM()") }
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scope :non_private, -> { where(private: false) }
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scope :homepage_latest, -> { non_private.by_date.limit(6).includes(:user) }
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scope :homepage_featured, -> { non_private.featured.where("created_at > ?", 1.year.ago).by_random.limit(6).includes(:user) }
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before_create :generate_secret_token
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def self.find_by_id_or_secret_token!(thing)
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if thing.size == 25
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find_by_secret_token!(thing)
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else
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non_private.find(thing)
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end
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end
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def self.cache_key
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timestamps = scoped.select(:updated_at).map { |o| o.updated_at.to_i }
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Digest::MD5.hexdigest timestamps.join('/')
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end
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def self.paginate(page, per_page)
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page(page).per(per_page)
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end
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def self.for_category_ordered(category, order, page = nil, per_page = nil)
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collection = self
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if category == :featured
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collection = collection.featured
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end
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collection = collection.order("#{ORDER_MODES.fetch(order)} DESC")
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if page
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collection = collection.paginate(page, per_page)
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end
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collection
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end
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def title=(value)
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value ? super(value.strip[0...255]) : super
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end
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def command=(value)
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value ? super(value.strip[0...255]) : super
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end
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def self.generate_secret_token
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SecureRandom.hex.to_i(16).to_s(36).rjust(25, '0')
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end
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def to_param
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if private?
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secret_token
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else
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id.to_s
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end
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end
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def stdout
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return @stdout if @stdout
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@stdout = Stdout::Buffered.new(get_stdout)
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end
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def with_terminal
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terminal = Terminal.new(terminal_columns, terminal_lines)
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yield(terminal)
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ensure
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terminal.release if terminal
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end
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def theme
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theme_name.presence && Theme.for_name(theme_name)
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end
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def image_filename
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"#{image_hash}.png"
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end
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def image_stale?
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!image.file || (image.file.filename != image_filename)
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end
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def owner?(user)
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user && self.user == user
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end
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private
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def get_stdout
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if version == 0
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Stdout::MultiFile.new(stdout_data.decompressed_path,
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stdout_timing.decompressed_path)
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else
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Stdout::SingleFile.new(file.absolute_url)
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end
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end
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def image_hash
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version = 2 # version of screenshot, increment to force regeneration
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input = "#{version}/#{id}/#{snapshot_at}"
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Digest::SHA1.hexdigest(input)
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end
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def generate_secret_token
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begin
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self.secret_token = self.class.generate_secret_token
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end while self.class.exists?(secret_token: secret_token)
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end
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end
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