Class: Lhj::Command::RenameImage

Inherits:
Lhj::Command
  • Object
show all
Defined in:
lib/lhj/command/rename_image.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Lhj::Command

#auto_spin, #begin_title, #run, #stop

Constructor Details

#initialize(argv) ⇒ RenameImage

Returns a new instance of RenameImage.



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# File 'lib/lhj/command/rename_image.rb', line 25

def initialize(argv)
  @current_path = argv.shift_argument || Dir.pwd
  @image_pre = argv.option('pre')
  @image_name = argv.option('name')
  @image_other_name = argv.option('other')
  super
end

Class Method Details

.options ⇒ Object 



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# File 'lib/lhj/command/rename_image.rb', line 12

def self.options
  [
    %w[--pre 图片前缀],
    %w[--name 图片名称],
    %w[--other 图片变化后的名称]
  ]
end

Instance Method Details

#handle ⇒ Object 



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# File 'lib/lhj/command/rename_image.rb', line 33

def handle
  rename_image
end

#list_all_image ⇒ Object 



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# File 'lib/lhj/command/rename_image.rb', line 46

def list_all_image
  sort_list = Dir.glob("#{@current_path}/**/*.{png}").sort { |b, a| File.size(a) <=> File.size(b) }
  sort_list.each do |f|
    s = File.size(f)
    s_s = "#{s}B"
    if s > 1024 * 1024
      bf = s / (1024.0 * 1024.0)
      s_s = "#{format("%.1f",bf)}MB"
    elsif s > 1024
      bf = s / 1024.0
      s_s = "#{format("%.1f",bf)}KB"
    else
      s_s = "#{s}KB"
    end
    puts "#{f} #{s_s}"
  end
end

#modify_name(file_name, extname) ⇒ Object 



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# File 'lib/lhj/command/rename_image.rb', line 64

def modify_name(file_name, extname)
  name = file_name.downcase + extname
  if @image_pre
    name = @image_pre + file_name.downcase + extname
  elsif @image_name && @image_other_name
    if file_name =~ /#{@image_name}/
      other_name = file_name.gsub(/#{@image_name}/, @image_other_name)
      name = other_name + extname
    end
  end
  name
end

#rename_image ⇒ Object 



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# File 'lib/lhj/command/rename_image.rb', line 37

def rename_image
  Dir.glob("#{@current_path}/**/*.{png}").sort.each do |f|
    filename = File.basename(f, File.extname(f))
    m_filename = modify_name(filename, File.extname(f))
    target = File.join(@current_path, m_filename)
    File.rename(f, target)
  end
end

#validate! ⇒ Object 



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# File 'lib/lhj/command/rename_image.rb', line 20

def validate!
  super
  help! '输入图片信息' unless @image_pre || @image_name || @image_other_name
end