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# models/purge_request.rb:
# A queue of URLs to purge
#
# Copyright (c) 2008 UK Citizens Online Democracy. All rights reserved.
# Email: francis@mysociety.org; WWW: http://www.mysociety.org/
#
class PurgeRequest < ActiveRecord::Base
def self.purge_all
done_something = false
for item in PurgeRequest.all()
item.purge
done_something = true
end
return done_something
end
def self.purge_all_loop
# Run purge_all in an endless loop, sleeping when there is nothing to do
while true
sleep_seconds = 1
while !purge_all
sleep sleep_seconds
sleep_seconds *= 2
sleep_seconds = 300 if sleep_seconds > 300
end
end
end
def purge
config = MySociety::Config.load_default()
varnish_url = config['VARNISH_HOST']
result = quietly_try_to_purge(varnish_url, self.url)
if result == "200"
self.delete()
end
end
end
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