Class: Picdown::Download

Inherits:
Object
  • Object
show all
Defined in:
lib/picdown/download.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file, **opts) ⇒ Download

Returns a new instance of Download.



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# File 'lib/picdown/download.rb', line 12

def initialize(file, **opts)
  @source = SourceFile.load(file)
  @config = Config.new(opts)
  @bars   = TTY::ProgressBar::Multi.new
end

Instance Attribute Details

#bars ⇒ Object (readonly)

Returns the value of attribute bars.



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# File 'lib/picdown/download.rb', line 10

def bars
  @bars
end

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/picdown/download.rb', line 10

def config
  @config
end

#source ⇒ Object (readonly)

Returns the value of attribute source.



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# File 'lib/picdown/download.rb', line 10

def source
  @source
end

Class Method Details

.from_file(file, **opts) ⇒ Object 



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# File 'lib/picdown/download.rb', line 33

def from_file(file, **opts)
  new(file, **opts).call
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/picdown/download.rb', line 18

def call
  config.parallel <= 1 ? perform_sequential : perform_parallel
end

#perform_parallel ⇒ Object 



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# File 'lib/picdown/download.rb', line 26

def perform_parallel
  threads = MultiThread.new(config.parallel)
  source.downloadable.each { |src| threads.add { download(src) } }
  threads.invoke
end

#perform_sequential ⇒ Object 



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# File 'lib/picdown/download.rb', line 22

def perform_sequential
  source.downloadable.each { |src| download(src) }
end