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commit.rb 1.76 KB
class Commit
  include ActiveModel::Conversion
  include StaticModel
  extend ActiveModel::Naming

  # Safe amount of files with diffs in one commit to render
  # Used to prevent 500 error on huge commits by suppressing diff
  #
  DIFF_SAFE_SIZE = 100

  def self.decorate(commits)
    commits.map { |c| self.new(c) }
  end

  attr_accessor :raw

  def initialize(raw_commit)
    raise "Nil as raw commit passed" unless raw_commit

    @raw = raw_commit
  end

  def id
    @raw.id
  end

  # Returns a string describing the commit for use in a link title
  #
  # Example
  #
  #   "Commit: Alex Denisov - Project git clone panel"
  def link_title
    "Commit: #{author_name} - #{title}"
  end

  # Returns the commits title.
  #
  # Usually, the commit title is the first line of the commit message.
  # In case this first line is longer than 80 characters, it is cut off
  # after 70 characters and ellipses (`&hellp;`) are appended.
  def title
    title = safe_message

    return no_commit_message if title.blank?

    title_end = title.index(/\n/)
    if (!title_end && title.length > 80) || (title_end && title_end > 80)
      title[0..69] << "&hellip;".html_safe
    else
      title.split(/\n/, 2).first
    end
  end

  # Returns the commits description
  #
  # cut off, ellipses (`&hellp;`) are prepended to the commit message.
  def description
    description = safe_message

    title_end = description.index(/\n/)
    if (!title_end && description.length > 80) || (title_end && title_end > 80)
      "&hellip;".html_safe << description[70..-1]
    else
      description.split(/\n/, 2)[1].try(:chomp)
    end
  end

  def method_missing(m, *args, &block)
    @raw.send(m, *args, &block)
  end

  def respond_to?(method)
    return true if @raw.respond_to?(method)

    super
  end
end