Class: Spaceship::UploadFile

Inherits:
Object
  • Object
show all
Defined in:
lib/spaceship/du/upload_file.rb

Overview

a wrapper around the concept of file required to make uploads to DU

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Attribute Details

#bytes ⇒ Object (readonly)

Returns the value of attribute bytes.



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# File 'lib/spaceship/du/upload_file.rb', line 10

def bytes
  @bytes
end

#content_type ⇒ Object (readonly)

Returns the value of attribute content_type.



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# File 'lib/spaceship/du/upload_file.rb', line 9

def content_type
  @content_type
end

#file_name ⇒ Object (readonly)

Returns the value of attribute file_name.



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# File 'lib/spaceship/du/upload_file.rb', line 7

def file_name
  @file_name
end

#file_path ⇒ Object (readonly)

Returns the value of attribute file_path.



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# File 'lib/spaceship/du/upload_file.rb', line 6

def file_path
  @file_path
end

#file_size ⇒ Object (readonly)

Returns the value of attribute file_size.



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# File 'lib/spaceship/du/upload_file.rb', line 8

def file_size
  @file_size
end

Class Method Details

.from_path(path) ⇒ Object 



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# File 'lib/spaceship/du/upload_file.rb', line 13

def from_path(path)
  raise "Image must exists at path: #{path}" unless File.exist?(path)

  # md5 from original. keeping track of md5s allows to skip previously uploaded in deliver
  content_md5 = Spaceship::Utilities.md5digest(path)
  path = remove_alpha_channel(path) if File.extname(path).casecmp('.png').zero?

  content_type = Utilities.content_type(path)
  self.new(
    file_path: path,
    file_name: 'ftl_' + content_md5 + '_' + File.basename(path),
    file_size: File.size(path),
    content_type: content_type,
    bytes: File.read(path)
  )
end

.remove_alpha_channel(original) ⇒ Object

As things like screenshots and app icon shouldn’t contain the alpha channel This will copy the image into /tmp to remove the alpha channel there That’s done to not edit the original image



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# File 'lib/spaceship/du/upload_file.rb', line 33

def remove_alpha_channel(original)
  path = "/tmp/#{Digest::MD5.hexdigest(original)}.png"
  FileUtils.copy(original, path)
  `sips -s format bmp '#{path}' &> /dev/null` # &> /dev/null since there is warning because of the extension
  `sips -s format png '#{path}'`
  return path
end