Class: Jekyll::LastModifiedAt::Determinator

Inherits:
Object
  • Object
show all
Defined in:
lib/jekyll-last-modified-at/determinator.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(site_source, page_path, format = nil) ⇒ Determinator

Returns a new instance of Determinator.


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# File 'lib/jekyll-last-modified-at/determinator.rb', line 9

def initialize(site_source, page_path, format = nil)
  @site_source = site_source
  @page_path   = page_path
  @format      = format || '%d-%b-%y'
end

Instance Attribute Details

#formatObject

Returns the value of attribute format


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# File 'lib/jekyll-last-modified-at/determinator.rb', line 7

def format
  @format
end

#page_pathObject (readonly)

Returns the value of attribute page_path


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# File 'lib/jekyll-last-modified-at/determinator.rb', line 6

def page_path
  @page_path
end

#site_sourceObject (readonly)

Returns the value of attribute site_source


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# File 'lib/jekyll-last-modified-at/determinator.rb', line 6

def site_source
  @site_source
end

Instance Method Details

#formatted_last_modified_dateObject


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# File 'lib/jekyll-last-modified-at/determinator.rb', line 22

def formatted_last_modified_date
  return PATH_CACHE[page_path] unless PATH_CACHE[page_path].nil?

  last_modified = last_modified_at_time.strftime(@format)
  PATH_CACHE[page_path] = last_modified
  last_modified
end

#gitObject


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# File 'lib/jekyll-last-modified-at/determinator.rb', line 15

def git
  return REPO_CACHE[site_source] unless REPO_CACHE[site_source].nil?

  REPO_CACHE[site_source] = Git.new(site_source)
  REPO_CACHE[site_source]
end

#last_modified_at_timeObject

Raises:

  • (Errno::ENOENT)

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# File 'lib/jekyll-last-modified-at/determinator.rb', line 30

def last_modified_at_time
  raise Errno::ENOENT, "#{absolute_path_to_article} does not exist!" unless File.exist? absolute_path_to_article

  Time.at(last_modified_at_unix.to_i)
end

#last_modified_at_unixObject


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# File 'lib/jekyll-last-modified-at/determinator.rb', line 36

def last_modified_at_unix
  if git.git_repo?
    last_commit_date = Executor.sh(
      'git',
      '--git-dir',
      git.top_level_directory,
      'log',
      '-n',
      '1',
      '--format="%ct"',
      '--',
      relative_path_from_git_dir
    )[/\d+/]
    # last_commit_date can be nil iff the file was not committed.
    last_commit_date.nil? || last_commit_date.empty? ? mtime(absolute_path_to_article) : last_commit_date
  else
    mtime(absolute_path_to_article)
  end
end

#to_liquidObject


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# File 'lib/jekyll-last-modified-at/determinator.rb', line 60

def to_liquid
  @to_liquid ||= last_modified_at_time
end

#to_sObject


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# File 'lib/jekyll-last-modified-at/determinator.rb', line 56

def to_s
  @to_s ||= formatted_last_modified_date
end