Class: Mangos::BookUpdater

Inherits:
Object
  • Object
show all
Defined in:
lib/mangos/book_updater.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(package, book, path) ⇒ BookUpdater

Returns a new instance of BookUpdater.



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# File 'lib/mangos/book_updater.rb', line 4

def initialize(package, book, path)
  @package = package
  @book = book
  @path = path
end

Instance Attribute Details

#book ⇒ Object (readonly)

Returns the value of attribute book.



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# File 'lib/mangos/book_updater.rb', line 2

def book
  @book
end

#package ⇒ Object (readonly)

Returns the value of attribute package.



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# File 'lib/mangos/book_updater.rb', line 2

def package
  @package
end

Instance Method Details

#build_page_paths(page_paths) ⇒ Object 



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# File 'lib/mangos/book_updater.rb', line 30

def build_page_paths(page_paths)
  Mangos::PagesDeflater.new(page_paths.map { |p| p.basename.to_s }).deflate
end

#find_page_paths ⇒ Object 



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# File 'lib/mangos/book_updater.rb', line 25

def find_page_paths
  image_paths = @path.children.select { |p| p.image? && !p.hidden? }
  Naturalsorter::Sorter.sort(image_paths.map(&:to_s), true).map { |p| DecoratedPathname.new(p) }
end

#fix_thumbnail_path ⇒ Object 



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# File 'lib/mangos/book_updater.rb', line 38

def fix_thumbnail_path
  old_thumbnail_path = @package.thumbnails_path + "#{@book.old_key}.jpg"
  if old_thumbnail_path.exist? && !thumbnail_path.exist?
    old_thumbnail_path.rename(thumbnail_path)
  end
end

#thumbnail_path ⇒ Object 



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# File 'lib/mangos/book_updater.rb', line 34

def thumbnail_path
  @package.thumbnails_path + "#{@book.key}.jpg"
end

#update ⇒ Object 



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# File 'lib/mangos/book_updater.rb', line 10

def update
  page_paths = find_page_paths

  @book.old_key = @book.key
  @book.key = Digest::SHA256.hexdigest(@path.basename.to_s)[0..16]
  @book.page_paths = build_page_paths(page_paths)
  @book.pages = page_paths.length
  @book.path = @path.basename.to_s
  @book.published_on = @path.mtime.to_i
  @book.tags = Mangos::TagBreaker.new(@book.path).tags

  fix_thumbnail_path if @package.migrate?
  Mangos::Thumbnailer.new(page_paths.first, thumbnail_path).generate
end