Class: QiitaExport::Image

Inherits:
Object
  • Object
show all
Defined in:
lib/qiita-export/image.rb

Constant Summary collapse

IMAGE_DIR = 
"images"

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(key, url) ⇒ Image

Returns a new instance of Image.



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# File 'lib/qiita-export/image.rb', line 11

def initialize(key, url)
  @key = key
  @url = url
end

Instance Attribute Details

#key ⇒ Object (readonly)

Returns the value of attribute key.



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# File 'lib/qiita-export/image.rb', line 7

def key
  @key
end

#url ⇒ Object (readonly)

Returns the value of attribute url.



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# File 'lib/qiita-export/image.rb', line 7

def url
  @url
end

Class Method Details

.extract_urls(key, markdown) ⇒ Object 



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# File 'lib/qiita-export/image.rb', line 16

def self.extract_urls(key, markdown)
  image_urls = markdown.scan(/!\[.*?\]\((.+?)(?: \".*?\")?\)/).flatten
  image_urls.map do |image_url|
    new(key, image_url)
  end
end

Instance Method Details

#filename ⇒ Object 



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# File 'lib/qiita-export/image.rb', line 31

def filename
  "#{File.basename(url)}"
end

#request_header ⇒ Object 



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# File 'lib/qiita-export/image.rb', line 27

def request_header
  require_auth? ? Config.auth_header : Config.default_header
end

#require_auth? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/qiita-export/image.rb', line 23

def require_auth?
  @url !~ /qiita-image-store.s3.amazonaws.com/
end

#save(path) ⇒ Object 



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# File 'lib/qiita-export/image.rb', line 35

def save(path)
  image_dir = File.join(File.expand_path(path), IMAGE_DIR)

  FileUtils.makedirs(image_dir) unless Dir.exists?(image_dir)

  file_path = File.join(image_dir, filename)

  open(file_path, 'wb') do |out|
    open(@url, request_header) do |image|
      out.write(image.read)
    end
  end
end