Verify that the cache directory exists before trying to store a respo…

…nse. Closes #12

CHANGELOG

@@ -2,6 +2,8 @@
 
 === Edge
 
+* Verify that the cache directory exists before trying to store a response. 
+[Sean Cribbs]
 * Fix page-part deletion in JS. [Sean Cribbs]
 * Don't cache extension-defined javascripts, but do cache the defaults. 
 [Sean Cribbs]

lib/radiant/cache.rb

@@ -37,6 +37,12 @@ def initialize(root="#{Rails.root}/tmp/cache/entity")
       def clear
         Dir[File.join(self.root, "*")].each {|file| FileUtils.rm_rf(file) }
       end
+
+      def write(body)
+        # Verify that the cache directory exists before attempting to write
+        FileUtils.mkdir_p(self.root, :mode => 0755) unless File.directory?(self.root)
+        super
+      end
     end
 
     class MetaStore < Rack::Cache::MetaStore::Disk
@@ -49,6 +55,12 @@ def clear
         Dir[File.join(self.root, "*")].each {|file| FileUtils.rm_rf(file) }
       end
 
+      def store(request, response, entitystore)
+        # Verify that the cache directory exists before attempting to store
+        FileUtils.mkdir_p(self.root, :mode => 0755) unless File.directory?(self.root)
+        super
+      end
+
       private
       def restore_response(hash, body=nil)
         # Cribbed from the Rack::Cache source