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Contents
module Locomotive
module Dragonfly
def self.resize_url(source, resize_string)
if file = self.fetch_file(source)
file.thumb(resize_string).url
else
Locomotive.log :error, "Unable to resize on the fly: #{source.inspect}"
return
end
end
def self.thumbnail_pdf(source, resize_string)
if file = self.fetch_file(source)
file.thumb(resize_string, format: 'png', frame: 0).encode('png').url
else
Locomotive.log :error, "Unable to convert the pdf: #{source.inspect}"
return
end
end
def self.fetch_file(source)
file = nil
if source.is_a?(String) || source.is_a?(Hash) # simple string or drop
source = source['url'] if source.is_a?(Hash)
clean_source!(source)
if source =~ /^http/
file = self.app.fetch_url(source)
else
file = self.app.fetch_file(File.join('public', source))
end
elsif source.respond_to?(:url) # carrierwave uploader
if source.path.first == '/'
file = self.app.fetch_file(source.path)
else
file = self.app.fetch_url(source.url)
end
end
file
end
def self.app
::Dragonfly.app(:engine)
end
protected
def self.clean_source!(source)
# remove the leading / trailing whitespaces
source.strip!
# remove the query part (usually, timestamp) if local file
source.sub!(/(\?.*)$/, '') unless source =~ /^http/
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems