91 lines
2.4 KiB
Ruby
91 lines
2.4 KiB
Ruby
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# encoding: utf-8
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require 'carrierwave/processing/mime_types'
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class BannerImageUploader < CarrierWave::Uploader::Base
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# Include RMagick or MiniMagick support:
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# include CarrierWave::RMagick
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# include CarrierWave::MiniMagick
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include CarrierWave::MiniMagick
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include CarrierWave::MimeTypes
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# Choose what kind of storage to use for this uploader:
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storage :file
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# storage :fog
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# Override the directory where uploaded files will be stored.
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# This is a sensible default for uploaders that are meant to be mounted:
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def store_dir
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"uploads/banner_image/#{mounted_as}/#{model.id}"
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end
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# override
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def filename
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@original_filename
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end
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# override
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def original_filename=(filename)
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@original_filename = super(filename)
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if(@original_filename.bytesize > 200)
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original_file_extension = File.extname(@original_filename)
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@original_filename.force_encoding("ascii-8bit")
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@original_filename = @original_filename[0, (200 - original_file_extension.bytesize)]
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@original_filename.encode!("UTF-16BE", "UTF-8", :invalid => :replace, :undef => :replace, :replace => '')
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@original_filename.encode!("UTF-8")
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@original_filename += original_file_extension
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end
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@original_filename
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end
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def fix_exif_rotation
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manipulate! do |img|
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img.tap(&:auto_orient)
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end
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end
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# Provide a default URL as a default if there hasn't been a file uploaded:
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# def default_url
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# # For Rails 3.1+ asset pipeline compatibility:
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# # ActionController::Base.helpers.asset_path("fallback/" + [version_name, "default.png"].compact.join('_'))
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#
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# "/images/fallback/" + [version_name, "default.png"].compact.join('_')
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# end
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# Process files as they are uploaded:
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# process :scale => [200, 300]
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#
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# def scale(width, height)
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# # do something
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# end
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# Create different versions of your uploaded files:
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version :thumb do
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process :fix_exif_rotation
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process :resize_to_fit => [400, 400]
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end
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version :mobile do
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process :fix_exif_rotation
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process :resize_to_limit => [1152, 768]
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end
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# Add a white list of extensions which are allowed to be uploaded.
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# For images you might use something like this:
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def extension_white_list
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%w(jpg jpeg gif png bmp)
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end
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# Override the filename of the uploaded files:
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# Avoid using model.id or version_name here, see uploader/store.rb for details.
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# def filename
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# "something.jpg" if original_filename
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# end
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end
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