Merge branch 'purge-requests' into develop

1 files changed, 41 insertions, 0 deletions

diff --git a/app/models/purge_request.rb b/app/models/purge_request.rb
new file mode 100644
index 000000000..9bf1a0641
--- /dev/null
+++ b/app/models/purge_request.rb
@@ -0,0 +1,41 @@
+# 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 = 30 if sleep_seconds > 30
+            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
+
+
+