lib/rack/throttle/hourly.rb in rack-throttle-0.2.0 vs lib/rack/throttle/hourly.rb in rack-throttle-0.3.0

@@ -3,10 +3,42 @@
   # This rate limiter strategy throttles the application by defining a
   # maximum number of allowed HTTP requests per hour (by default, 3,600
   # requests per 60 minutes, which works out to an average of 1 request per
   # second).
   #
-  # _Not yet implemented in the current release._
-  class Hourly < Limiter
-    # TODO
+  # Note that this strategy doesn't use a sliding time window, but rather
+  # tracks requests per distinct hour. This means that the throttling
+  # counter is reset every hour on the hour (according to the server's local
+  # timezone).
+  #
+  # @example Allowing up to 3,600 requests per hour
+  #   use Rack::Throttle::Hourly
+  #
+  # @example Allowing up to 100 requests per hour
+  #   use Rack::Throttle::Hourly, :max => 100
+  #
+  class Hourly < TimeWindow
+    ##
+    # @param  [#call]                  app
+    # @param  [Hash{Symbol => Object}] options
+    # @option options [Integer] :max   (3600)
+    def initialize(app, options = {})
+      super
+    end
+
+    ##
+    def max_per_hour
+      @max_per_hour ||= options[:max_per_hour] || options[:max] || 3_600
+    end
+
+    alias_method :max_per_window, :max_per_hour
+
+    protected
+
+    ##
+    # @param  [Rack::Request] request
+    # @return [String]
+    def cache_key(request)
+      [super, Time.now.strftime('%Y-%m-%dT%H')].join(':')
+    end
   end
 end; end