orbit-basic/app/uploaders/image_uploader.rb

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# encoding: utf-8
require 'carrierwave/processing/mime_types'
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class ImageUploader < CarrierWave::Uploader::Base
# Include RMagick or ImageScience support:
# include CarrierWave::RMagick
# include CarrierWave::ImageScience
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include CarrierWave::MiniMagick
include CarrierWave::MimeTypes
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process :set_content_type
# 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
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"#{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
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def default_url
[version_name, (Site.first.default_image.file.url rescue "sign-in-logo.png")].compact.join('_')
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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
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version :thumb do
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process :resize_to_limit => [200, 200]
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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
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def cache_dir
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"#{Rails.root}/tmp/uploads"
end
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end