lib/rackbox/rackbox.rb in remi-rackbox-1.0.1 vs lib/rackbox/rackbox.rb in remi-rackbox-1.1.0

@@ -29,7 +29,39 @@
           raise "RackBox.app not configured."
         end
       end
       @app
     end
+
+    # helper method for taking a Hash of params and turning them into POST params
+    #
+    # >> RackBox.build_query :hello => 'there'
+    # => 'hello=there'
+    #
+    # >> RackBox.build_query :hello => 'there', :foo => 'bar'
+    # => 'hello=there&foo=bar' 
+    #
+    # >> RackBox.build_query :user => { :name => 'bob', :password => 'secret' }
+    # => 'user[name]=bob&user[password]=secret' 
+    #
+    def build_query params_hash = { }
+      # check to make sure no values are Hashes ...
+      # if they are, we need to flatten them!
+      params_hash.each do |key, value|
+        # params_hash  :a => { :b => X, :c => Y }
+        # needs to be  'a[b]' => X, 'a[b]' => Y
+        if value.is_a? Hash
+          inner_hash = params_hash.delete key # { :b => X, :c => Y }
+          inner_hash.each do |subkey, subvalue|
+            new_key = "#{ key }[#{ subkey }]" # a[b] or a[c]
+            puts "warning: overwriting query parameter #{ new_key }" if params_hash[new_key]
+            params_hash[new_key] = subvalue # 'a[b]' => X or a[c] => Y
+          end
+          # we really shouldn't keep going thru the #each now that we've altered data!
+          return build_query(params_hash)
+        end
+      end
+      Rack::Utils.build_query params_hash
+    end
+
   end
 end