62 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Ruby
		
	
	
	
		
		
			
		
	
	
			62 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Ruby
		
	
	
	
|  | class LocationUploader < CarrierWave::Uploader::Base | ||
|  | 
 | ||
|  |   # Include RMagick or ImageScience support: | ||
|  |   # include CarrierWave::RMagick | ||
|  |   # include CarrierWave::ImageScience | ||
|  |     include CarrierWave::MiniMagick | ||
|  | 
 | ||
|  |   # Choose what kind of storage to use for this uploader: | ||
|  |   # storage :file | ||
|  |   # storage :s3 | ||
|  | 
 | ||
|  |   # Override the directory where uploaded files will be stored. | ||
|  |   # This is a sensible default for uploaders that are meant to be mounted: | ||
|  |   def store_dir | ||
|  |     "location/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}" | ||
|  |   end | ||
|  | 
 | ||
|  |   # Provide a default URL as a default if there hasn't been a file uploaded: | ||
|  |   # def default_url | ||
|  |   #   "/images/fallback/" + [version_name, "default.png"].compact.join('_') | ||
|  |   # end | ||
|  | 
 | ||
|  |   # Process files as they are uploaded: | ||
|  |   # process :scale => [200, 300] | ||
|  |   # | ||
|  |   # def scale(width, height) | ||
|  |   #   # do something | ||
|  |   # end | ||
|  | 
 | ||
|  |   # Create different versions of your uploaded files: | ||
|  |   # version :thumb do | ||
|  |   #   process :scale => [50, 50] | ||
|  |   # end | ||
|  |    | ||
|  |   version :thumb do | ||
|  |     process :resize_to_fill => [150, 120] | ||
|  |   end | ||
|  | 
 | ||
|  |   # Add a white list of extensions which are allowed to be uploaded. | ||
|  |   # For images you might use something like this: | ||
|  |   # def extension_white_list | ||
|  |   #   %w(jpg jpeg gif png) | ||
|  |   # end | ||
|  | 
 | ||
|  |   # Override the filename of the uploaded files: | ||
|  |   # def filename | ||
|  |   #   "something.jpg" if original_filename | ||
|  |   # end | ||
|  |    | ||
|  | #  def manipulate! | ||
|  | #    raise current_path.inspect | ||
|  | #    image = ::MiniMagick::Image.open(current_path) | ||
|  | #    image = yield(image) | ||
|  | #    image.write(current_path) | ||
|  | #    ::MiniMagick::Image.open(current_path) | ||
|  | #  rescue ::MiniMagick::Error, ::MiniMagick::Invalid => e | ||
|  | #    raise CarrierWave::ProcessingError.new("Failed to manipulate with MiniMagick, maybe it is not an image? Original Error: #{e}") | ||
|  | #  end | ||
|  | 
 | ||
|  | end | ||
|  | 
 |