engine/app/uploaders/asset_uploader.rb

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2010-05-12 00:16:39 +00:00
# encoding: utf-8
class AssetUploader < CarrierWave::Uploader::Base
include CarrierWave::RMagick
def store_dir
"sites/#{model.collection.site_id}/assets/#{model.id}"
end
version :thumb do
process :resize_to_fill => [50, 50]
process :convert => 'png'
end
version :medium do
process :resize_to_fill => [80, 80]
process :convert => 'png'
end
version :preview do
process :resize_to_fit => [880, 1100]
process :convert => 'png'
end
process :set_content_type
process :set_size
process :set_width_and_height
def set_content_type
value = :other
self.class.content_types.each_pair do |type, rules|
rules.each do |rule|
case rule
when String then value = type if file.content_type == rule
when Regexp then value = type if (file.content_type =~ rule) == 0
end
end
end
model.content_type = value
end
def set_size
model.size = file.size
end
def set_width_and_height
if model.image?
model.width, model.height = `identify -format "%wx%h" #{file.path}`.split(/x/).collect(&:to_i)
end
end
def self.content_types
{
:image => ['image/jpeg', 'image/pjpeg', 'image/gif', 'image/png', 'image/x-png', 'image/jpg'],
:movie => [/^video/, 'application/x-shockwave-flash', 'application/x-swf'],
:audio => [/^audio/, 'application/ogg', 'application/x-mp3'],
:pdf => ['application/pdf', 'application/x-pdf']
}
end
end