Added new generator framework that informs about its doings on generation and enables updating and destruction of generated artifacts. See the new script/destroy and script/update for more details #487 [bitsweat]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@518 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

9 files changed, 249 insertions, 0 deletions

diff --git a/railties/lib/rails_generator/generators/components/scaffold/templates/controller.rb b/railties/lib/rails_generator/generators/components/scaffold/templates/controller.rb
new file mode 100644
index 0000000000..c409284cb1
--- /dev/null
+++ b/railties/lib/rails_generator/generators/components/scaffold/templates/controller.rb
@@ -0,0 +1,55 @@
+class <%= controller_class_name %>Controller < ApplicationController
+<% unless suffix -%>
+
+  def index
+    list
+    render_action 'list'
+  end
+<% end -%>
+
+<% for action in unscaffolded_actions -%>
+  def <%= action %><%= suffix %>
+  end
+
+<% end -%>
+  def list<%= suffix %>
+    @<%= plural_name %> = <%= class_name %>.find_all
+  end
+
+  def show<%= suffix %>
+    @<%= singular_name %> = <%= class_name %>.find(@params['id'])
+  end
+
+  def new<%= suffix %>
+    @<%= singular_name %> = <%= class_name %>.new
+  end
+
+  def create<%= suffix %>
+    @<%= singular_name %> = <%= class_name %>.new(@params['<%= singular_name %>'])
+    if @<%= singular_name %>.save
+      flash['notice'] = '<%= class_name %> was successfully created.'
+      redirect_to :action => 'list<%= suffix %>'
+    else
+      render_action 'new<%= suffix %>'
+    end
+  end
+
+  def edit<%= suffix %>
+    @<%= singular_name %> = <%= class_name %>.find(@params['id'])
+  end
+
+  def update
+    @<%= singular_name %> = <%= class_name %>.find(@params['<%= singular_name %>']['id'])
+    if @<%= singular_name %>.update_attributes(@params['<%= singular_name %>'])
+      flash['notice'] = '<%= class_name %> was successfully updated.'
+      redirect_to :action => 'show<%= suffix %>', :id => @<%= singular_name %>.id
+    else
+      render_action 'edit<%= suffix %>'
+    end
+  end
+
+  def destroy<%= suffix %>
+    <%= class_name %>.find(@params['id']).destroy
+    redirect_to :action => 'list<%= suffix %>'
+  end
+end
diff --git a/railties/lib/rails_generator/generators/components/scaffold/templates/form.rhtml b/railties/lib/rails_generator/generators/components/scaffold/templates/form.rhtml
new file mode 100644
index 0000000000..d314c5f6b5
--- /dev/null
+++ b/railties/lib/rails_generator/generators/components/scaffold/templates/form.rhtml
@@ -0,0 +1,5 @@
+<%%= start_form_tag :action => '<%= @form_action %><%= @suffix %>' %>
+<%%= hidden_field '<%= @singular_name %>', 'id' %>
+<%= all_input_tags(@model_instance, @singular_name, {}) %>
+<input type="submit" value="<%= @form_action.to_s.capitalize %>" />
+<%%= end_form_tag %>
diff --git a/railties/lib/rails_generator/generators/components/scaffold/templates/functional_test.rb b/railties/lib/rails_generator/generators/components/scaffold/templates/functional_test.rb
new file mode 100644
index 0000000000..ea9c8e4e94
--- /dev/null
+++ b/railties/lib/rails_generator/generators/components/scaffold/templates/functional_test.rb
@@ -0,0 +1,80 @@
+require File.dirname(__FILE__) + '/../test_helper'
+require '<%= controller_file_name %>_controller'
+
+# Re-raise errors caught by the controller.
+class <%= controller_class_name %>Controller; def rescue_action(e) raise e end; end
+
+class <%= controller_class_name %>ControllerTest < Test::Unit::TestCase
+  fixtures :<%= table_name %>
+
+  def setup
+    $base_id = 1000001
+    @controller = <%= controller_class_name %>Controller.new
+    @request, @response = ActionController::TestRequest.new, ActionController::TestResponse.new
+  end
+
+<% for action in unscaffolded_actions -%>
+  def test_<%= action %>
+    process :<%= action %>
+    assert_rendered_file '<%= action %>'
+  end
+
+<% end -%>
+<% unless suffix -%>
+  def test_index
+    process :index
+    assert_rendered_file 'list'
+  end
+
+<% end -%>
+  def test_list<%= suffix %>
+    process :list<%= suffix %>
+    assert_rendered_file 'list<%= suffix %>'
+    assert_template_has '<%= plural_name %>'
+  end
+
+  def test_show<%= suffix %>
+    process :show<%= suffix %>, 'id' => $base_id
+    assert_rendered_file 'show'
+    assert_template_has '<%= singular_name %>'
+    assert_valid_record '<%= singular_name %>'
+  end
+
+  def test_new<%= suffix %>
+    process :new<%= suffix %>
+    assert_rendered_file 'new<%= suffix %>'
+    assert_template_has '<%= singular_name %>'
+  end
+
+  def test_create
+    num_<%= plural_name %> = <%= class_name %>.find_all.size
+
+    process :create<%= suffix %>, '<%= singular_name %>' => { }
+    assert_redirected_to :action => 'list<%= suffix %>'
+
+    assert_equal num_<%= plural_name %> + 1, <%= class_name %>.find_all.size
+  end
+
+  def test_edit<%= suffix %>
+    process :edit<%= suffix %>, 'id' => $base_id
+    assert_rendered_file 'edit<%= suffix %>'
+    assert_template_has '<%= singular_name %>'
+    assert_valid_record '<%= singular_name %>'
+  end
+
+  def test_update<%= suffix %>
+    process :update<%= suffix %>, '<%= singular_name %>' => { 'id' => $base_id }
+    assert_redirected_to :action => 'show<%= suffix %>', :id => $base_id
+  end
+
+  def test_destroy<%= suffix %>
+    assert_not_nil <%= class_name %>.find($base_id)
+
+    process :destroy, 'id' => $base_id
+    assert_redirected_to :action => 'list<%= suffix %>'
+
+    assert_raise(ActiveRecord::RecordNotFound) {
+      <%= singular_name %> = <%= class_name %>.find($base_id)
+    }
+  end
+end
diff --git a/railties/lib/rails_generator/generators/components/scaffold/templates/layout.rhtml b/railties/lib/rails_generator/generators/components/scaffold/templates/layout.rhtml
new file mode 100644
index 0000000000..c4815bd0a3
--- /dev/null
+++ b/railties/lib/rails_generator/generators/components/scaffold/templates/layout.rhtml
@@ -0,0 +1,11 @@
+<html>
+<head>
+  <title><%= controller_class_name %>: <%%= controller.action_name %></title>
+  <link href="/stylesheets/scaffold.css" rel="stylesheet" type="text/css" />
+</head>
+<body>
+
+<%%= @content_for_layout %>
+
+</body>
+</html>
diff --git a/railties/lib/rails_generator/generators/components/scaffold/templates/style.css b/railties/lib/rails_generator/generators/components/scaffold/templates/style.css
new file mode 100644
index 0000000000..95a3c4668c
--- /dev/null
+++ b/railties/lib/rails_generator/generators/components/scaffold/templates/style.css
@@ -0,0 +1,53 @@
+body { background-color: #fff; color: #333; }
+
+body, p, ol, ul, td {
+  font-family: verdana, arial, helvetica, sans-serif;
+  font-size:   13px;
+  line-height: 18px;
+}
+
+pre {
+  background-color: #eee;
+  padding: 10px;
+  font-size: 11px;
+}
+
+a { color: #000; }
+a:visited { color: #666; }
+a:hover { color: #fff; background-color:#000; }
+
+.fieldWithErrors {
+  padding: 2px;
+  background-color: red;
+  display: table;
+}
+
+#ErrorExplanation {
+  width: 400px;
+  border: 2px solid #red;
+  padding: 7px;
+  padding-bottom: 12px;
+  margin-bottom: 20px;
+  background-color: #f0f0f0;
+}
+
+#ErrorExplanation h2 {
+  text-align: left;
+  font-weight: bold;
+  padding: 5px 5px 5px 15px;
+  font-size: 12px;
+  margin: -7px;
+  background-color: #c00;
+  color: #fff;
+}
+
+#ErrorExplanation p {
+  color: #333;
+  margin-bottom: 0;
+  padding: 5px;
+}
+
+#ErrorExplanation ul li {
+  font-size: 12px;
+  list-style: square;
+}
diff --git a/railties/lib/rails_generator/generators/components/scaffold/templates/view_edit.rhtml b/railties/lib/rails_generator/generators/components/scaffold/templates/view_edit.rhtml
new file mode 100644
index 0000000000..4ad70f537a
--- /dev/null
+++ b/railties/lib/rails_generator/generators/components/scaffold/templates/view_edit.rhtml
@@ -0,0 +1,7 @@
+<h1>Editing <%= singular_name %></h1>
+
+<%%= error_messages_for '<%= singular_name %>' %>
+<%= template_for_inclusion %>
+
+<%%= link_to 'Show', :action => 'show<%= suffix %>', :id => @<%= singular_name %>.id %> |
+<%%= link_to 'Back', :action => 'list<%= suffix %>' %>
diff --git a/railties/lib/rails_generator/generators/components/scaffold/templates/view_list.rhtml b/railties/lib/rails_generator/generators/components/scaffold/templates/view_list.rhtml
new file mode 100644
index 0000000000..068fd67472
--- /dev/null
+++ b/railties/lib/rails_generator/generators/components/scaffold/templates/view_list.rhtml
@@ -0,0 +1,24 @@
+<h1>Listing <%= plural_name %></h1>
+
+<table>
+  <tr>
+<%% for column in <%= class_name %>.content_columns %>
+    <th><%%= column.human_name %></th>
+<%% end %>
+  </tr>
+  
+<%% for <%= singular_name %> in @<%= plural_name %> %>
+  <tr>
+  <%% for column in <%= class_name %>.content_columns %>
+    <td><%%=h <%= singular_name %>[column.name] %></td>
+  <%% end %>
+    <td><%%= link_to 'Show', :action => 'show<%= suffix %>', :id => <%= singular_name %>.id %></td>
+    <td><%%= link_to 'Edit', :action => 'edit<%= suffix %>', :id => <%= singular_name %>.id %></td>
+    <td><%%= link_to 'Destroy', :action => 'destroy<%= suffix %>', :id => <%= singular_name %>.id %></td>
+  </tr>
+<%% end %>
+</table>
+
+<br />
+
+<%%= link_to 'New <%= singular_name %>', :action => 'new<%= suffix %>' %>
diff --git a/railties/lib/rails_generator/generators/components/scaffold/templates/view_new.rhtml b/railties/lib/rails_generator/generators/components/scaffold/templates/view_new.rhtml
new file mode 100644
index 0000000000..fcf5a3c54b
--- /dev/null
+++ b/railties/lib/rails_generator/generators/components/scaffold/templates/view_new.rhtml
@@ -0,0 +1,6 @@
+<h1>New <%= @singular_name %></h1>
+
+<%%= error_messages_for '<%= singular_name %>' %>
+<%= template_for_inclusion %>
+
+<%%= link_to 'Back', :action => 'list<%= suffix %>' %>
diff --git a/railties/lib/rails_generator/generators/components/scaffold/templates/view_show.rhtml b/railties/lib/rails_generator/generators/components/scaffold/templates/view_show.rhtml
new file mode 100644
index 0000000000..ba8f3616dd
--- /dev/null
+++ b/railties/lib/rails_generator/generators/components/scaffold/templates/view_show.rhtml
@@ -0,0 +1,8 @@
+<%% for column in <%= class_name %>.content_columns %>
+<p>
+  <b><%%= column.human_name %>:</b> <%%= @<%= singular_name %>.send(column.name) %>
+</p>
+<%% end %>
+
+<%%= link_to 'Edit', :action => 'edit<%= suffix %>', :id => @<%= singular_name %>.id %> |
+<%%= link_to 'Back', :action => 'list<%= suffix %>' %>