56 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			56 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Ruby
		
	
	
	
| # encoding: utf-8
 | |
| 
 | |
| class FileAssetUploader < CarrierWave::Uploader::Base
 | |
|   require 'mime/types'
 | |
|   
 | |
|   process :set_content_type
 | |
| 
 | |
|   def set_content_type(*args)
 | |
|     content_type = file.content_type == ('binary/octet-stream' || 'application/octet-stream') || file.content_type.blank? ? MIME::Types.type_for(original_filename).first.to_s : file.content_type
 | |
|     self.file.instance_variable_set(:@content_type, content_type)
 | |
|   end
 | |
| 
 | |
|   # Include RMagick or ImageScience support:
 | |
|   # include CarrierWave::RMagick
 | |
|   # include CarrierWave::ImageScience
 | |
| 
 | |
|   # 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
 | |
|     "assets/#{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
 | |
| 
 | |
|   # 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
 | |
|   #   model.filename.force_encoding("UTF-8")
 | |
|   # end
 | |
| 
 | |
| end
 |