Add subscription support

lib/grape/api.rb

@@ -115,16 +115,16 @@ def desc(description, options = {})
       # Add tier to the next namespace or function.
       def tier(tier, options = {})
         tier = :any if tier == '*'
-        tier = tier.to_s.capitalize
-        tier = ['Basic','Enhanced','Premium','Any','None'].include?(tier) ? tier : 'None'
+        tier = tier.to_sym.downcase
+        tier = [:basic,:enhanced,:premium,:any,:none].include?(tier) ? tier : :none
         @last_tier = options.merge(:tier => tier)
       end
 
       # Add level to the next namespace or function.
       def level(level, options = {})
         level = :any if level == '*'
-        level = level.to_s.capitalize
-        level = ['Account','Contact','Advisor','Advisory Firm','Segment','Bundle','Any','None'].include?(level) ? level : 'None'
+        level = level.to_sym.downcase
+        level = [:account,:contact,:advisor,:advisory_firm,:segment,:bundle,:any,:none].include?(level) ? level : :none
         @last_level = options.merge(:level => level)
       end
 

lib/grape/endpoint.rb

@@ -158,6 +158,16 @@ def params
         deep_merge(env['rack.routing_args'] || {})
     end
 
+    # The minimum API tier
+    def tier
+      env["api.endpoint"].options.fetch(:route_options,{}).fetch(:tier,:any)
+    end
+
+    # The minimum API level
+    def level
+      env["api.endpoint"].options.fetch(:route_options,{}).fetch(:level,:any)
+    end
+
     # A filtering method that will return a hash
     # consisting only of keys that have been declared by a
     # `params` statement.