add support for structured types as input parameters to scaffolding,

fixes scaffolding for APIs like metaWeblog that require an input
struct (by dropping structs in nested <ul> lists).


git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1265 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionwebservice/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Add support for structured types as input parameters to scaffolding, this should let one test the blogging APIs using scaffolding as well
+
 * Fix that generated WSDL was not using relative_url_root for base URI #1210 [Shugo Maeda]
 
 * Use UTF-8 encoding by default for SOAP responses, but if an encoding is supplied by caller, use that for the response  #1211 [Shugo Maeda, NAKAMURA Hiroshi]

actionwebservice/lib/action_web_service/api.rb

@@ -217,9 +217,9 @@ def [](sig_type)
       # String representation of this method
       def to_s
         fqn = ""
-        fqn << (@returns ? (friendly_param(@returns[0], false) + " ") : "void ")
+        fqn << (@returns ? (@returns[0].human_name(false) + " ") : "void ")
         fqn << "#{@public_name}("
-        fqn << @expects.map{ |p| friendly_param(p) }.join(", ") if @expects
+        fqn << @expects.map{ |p| p.human_name }.join(", ") if @expects
         fqn << ")"
         fqn
       end
@@ -236,13 +236,6 @@ def compat_signature_entry(entry)
             end
           end
         end
-
-        def friendly_param(type, show_name=true)
-          name = type.name.to_s
-          type_type = type.array?? type.element_type.type.to_s : type.type.to_s
-          str = type.array?? (type_type + '[]') : type_type
-          show_name ? (str + " " + name) : str
-        end
     end
   end
 end

actionwebservice/lib/action_web_service/scaffolding.rb

@@ -1,5 +1,3 @@
-require 'ostruct'
-require 'uri'
 require 'benchmark'
 require 'pathname'
 
@@ -70,7 +68,13 @@ def #{action_name}_submit
               @invocation_cgi = @request.respond_to?(:cgi) ? @request.cgi : nil
               bm = Benchmark.measure do
                 @protocol.register_api(@scaffold_service.api)
-                params = @params['method_params'] ? @params['method_params'].dup : nil
+                post_params = @params['method_params'] ? @params['method_params'].dup : nil
+                params = []
+                if @scaffold_method.expects
+                  @scaffold_method.expects.length.times do |i|
+                    params << post_params[i.to_s]
+                  end
+                end
                 params = @scaffold_method.cast_expects(params)
                 method_name = public_method_name(@scaffold_service.name, @scaffold_method.public_name)
                 @method_request_xml = @protocol.encode_request(method_name, params, @scaffold_method.expects)
@@ -156,30 +160,49 @@ def handle_invocation_exception(obj)
     end
 
     module Helpers # :nodoc:
-      def method_parameter_input_fields(method, type)
-        name = type.name.to_s
-        type_name = type.type
-        unless type_name.is_a?(Symbol)
-          raise "Parameter #{name}: Structured/array types not supported in scaffolding input fields yet"
+      def method_parameter_input_fields(method, type, field_name_base)
+        if type.array?
+          return content_tag('em', "Typed array input fields not supported yet (#{type.name})")
         end
-        field_name = "method_params[]"
-        case type_name
-        when :int
-          text_field_tag field_name
-        when :string
-          text_field_tag field_name
-        when :bool
-          radio_button_tag field_name, "True"
-          radio_button_tag field_name, "False"
-        when :float
-          text_field_tag field_name
-        when :time
-          select_datetime Time.now, 'name' => field_name
-        when :date
-          select_date Date.today, 'name' => field_name
+        if type.structured?
+          parameters = ""
+          type.each_member do |member_name, member_type|
+            label = method_parameter_label(member_name, member_type)
+            nested_content = method_parameter_input_fields(
+              method,
+              member_type,
+              field_name_base + '[' + member_name.to_s + ']')
+            if member_type.custom?
+              parameters << content_tag('li', label)
+              parameters << content_tag('ul', nested_content)
+            else
+              parameters << content_tag('li', label + ' ' + nested_content)
+            end
+          end
+          content_tag('ul', parameters)
+        else
+          case type.type
+          when :int
+            text_field_tag field_name_base
+          when :string
+            text_field_tag field_name_base
+          when :bool
+            radio_button_tag field_name_base, "True"
+            radio_button_tag field_name_base, "False"
+          when :float
+            text_field_tag field_name_base
+          when :time
+            select_datetime Time.now, 'name' => field_name_base
+          when :date
+            select_date Date.today, 'name' => field_name_base
+          end
         end
       end
 
+      def method_parameter_label(name, type)
+        name.to_s.capitalize + ' (' + type.human_name(false) + ')'
+      end
+
       def service_method_list(service)
         action = @scaffold_action_name + '_method_params'
         methods = service.api_methods_full.map do |desc, name|

actionwebservice/lib/action_web_service/support/signature_types.rb

@@ -150,6 +150,12 @@ def array?
     def structured?
       false
     end
+
+    def human_name(show_name=true)
+      type_type = array? ? element_type.type.to_s : self.type.to_s
+      str = array? ? (type_type + '[]') : type_type
+      show_name ? (str + " " + name.to_s) : str
+    end
   end
 
   class ArrayType < BaseType # :nodoc:

actionwebservice/lib/action_web_service/templates/scaffolds/parameters.rhtml

@@ -10,13 +10,15 @@
 </p>
 
 <% if @scaffold_method.expects %>
+<% i = 0 %>
 
 <strong>Method Parameters:</strong><br />
 <% @scaffold_method.expects.each do |type| %>
   <p>
-  <label for="method_params[]"><%= type.name.to_s.camelize %></label><br />
-  <%= method_parameter_input_fields(@scaffold_method, type) %>
+  <label for="method_params[<%= i %>]"><%= method_parameter_label(type.name, type) %> </label><br />
+  <%= method_parameter_input_fields(@scaffold_method, type, "method_params[#{i}]") %>
   </p>
+  <% i += 1 %>
 <% end %>
 
 <% end %>

actionwebservice/test/scaffolded_controller_test.rb

@@ -53,7 +53,7 @@ def test_scaffold_invoke_method_params
   end
 
   def test_scaffold_invoke_submit_hello
-    post :scaffold_invoke_submit, :service => 'scaffolded', :method => 'Hello', :method_params => ['5', 'hello world']
+    post :scaffold_invoke_submit, :service => 'scaffolded', :method => 'Hello', :method_params => {'0' => '5', '1' => 'hello world'}
     assert_rendered_file 'result.rhtml'
     assert_equal false, @controller.instance_eval{ @method_return_value }
   end