Class: LightResizer::Middleware::Path

Inherits:
Object
  • Object
show all
Defined in:
lib/light_resizer/middleware/path.rb

Constant Summary collapse

PREFIX_REGEXP = 
/^[0-9]+x[0-9]+(_crop|_convert)*_/

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#request_path ⇒ Object

Returns the value of attribute request_path.



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# File 'lib/light_resizer/middleware/path.rb', line 8

def request_path
  @request_path
end

Instance Method Details

#convert_path? ⇒ Boolean

Bool returns true if image should be converted on resize

Returns:

  • (Boolean) 


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# File 'lib/light_resizer/middleware/path.rb', line 27

def convert_path?
  prefix =~ /convert/
end

#crop_path? ⇒ Boolean

Bool returns true if image should be croped on resize

Returns:

  • (Boolean) 


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# File 'lib/light_resizer/middleware/path.rb', line 22

def crop_path?
  prefix =~ /crop/
end

#dimensions ⇒ Object 



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# File 'lib/light_resizer/middleware/path.rb', line 48

def dimensions
  prefix.split('_').first
end

#image_extension ⇒ Object 



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# File 'lib/light_resizer/middleware/path.rb', line 37

def image_extension
  File.extname(request_path)
end

#image_path ⇒ Object

String last part of request – relative path



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# File 'lib/light_resizer/middleware/path.rb', line 32

def image_path
  dir = File.expand_path('..', request_dir)
  File.join(dir, original_filename)
end

#image_path? ⇒ Boolean

Bool returns true if request path begins with ‘image’

Returns:

  • (Boolean) 


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# File 'lib/light_resizer/middleware/path.rb', line 16

def image_path?
  request_dir.end_with?('light_resize')
end

#prefix ⇒ Object

String returns prefix of resized image name 200x200_crop_image.png => 200x200_crop



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# File 'lib/light_resizer/middleware/path.rb', line 44

def prefix
  filename[PREFIX_REGEXP].chop if image_path?
end