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CROSS-REFERENCE OF CODE SAMPLES 515 155 routing/examples2.rb 156 routing/examples_named.rb 157 views/app/controllers/application.rb 158 views/app/controllers/array_controller.rb 159 views/app/controllers/blog1_controller.rb 160 views/app/controllers/blog2_controller.rb 161 views/app/controllers/blog_controller.rb 162 views/app/controllers/pager_controller.rb 163 views/app/controllers/test_controller.rb 164 views/app/controllers/upload_controller.rb 165 views/app/helpers/test_helper.rb 166 views/app/models/article.rb 167 views/app/models/picture.rb 168 views/app/views/array/edit.rhtml 169 views/app/views/blog/index.rhtml 170 views/app/views/blog/list.rhtml 171 views/app/views/blog1/list.rhtml 172 views/app/views/blog2/list.rhtml 173 views/app/views/pager/user_list.rhtml 174 views/app/views/partial/_animal.rhtml 175 views/app/views/partial/_spacer.rhtml 176 views/app/views/partial/list.rhtml 177 views/app/views/test/calculate.rhtml 178 views/app/views/test/select.rhtml 179 views/app/views/upload/get.rhtml 180 views/app/views/upload/show.rhtml 181 views/components/sidebar/link/get_links.rhtml 182 views/components/sidebar/link_controller.rb 183 views/db/create.sql 184 views/lib/eval_template.rb 185 views/lib/rdoc_template.rb 186 web2/app/controllers/example_controller.rb 187 web2/app/controllers/guesswhat_controller.rb 188 web2/app/controllers/list_controller.rb 189 web2/app/controllers/list_no_ajax_controller.rb 190 web2/app/models/item.rb 191 web2/app/views/example/check.rhtml 192 web2/app/views/example/compat.rhtml 193 web2/app/views/example/compat_form.rhtml 194 web2/app/views/example/effects.rhtml 195 web2/app/views/example/effectswithoutajax.rhtml 196 web2/app/views/example/index.rhtml 197 web2/app/views/example/multiple.rhtml 198 web2/app/views/example/observer.rhtml 199 web2/app/views/example/periodic.rhtml 200 web2/app/views/example/say_hello.rhtml 201 web2/app/views/example/search.rhtml 202 web2/app/views/example/update_many.rhtml 203 web2/app/views/guesswhat/_form.rhtml 204 web2/app/views/guesswhat/index.rhtml 205 web2/app/views/layouts/list.rhtml 206 web2/app/views/list/index.rhtml 207 web2/app/views/list_no_ajax/_item.rhtml 208 web2/app/views/list_no_ajax/index.rhtml 209 work/demo1/app/controllers/say_controller.rb 210 work/demo2/app/controllers/say_controller.rb 211 work/demo3/app/views/say/hello.rhtml 212 work/demo4/app/controllers/say_controller.rb 213 work/demo4/app/views/say/hello.rhtml 214 work/demo5/app/controllers/say_controller.rb 215 work/demo5/app/views/say/goodbye.rhtml 216 work/demo6/app/views/say/goodbye.rhtml 217 work/demo6/app/views/say/hello.rhtml 218 work/demo7/app/controllers/say_controller.rb 219 work/demo7/app/views/say/goodbye.rhtml 220 ws/dispatching_mode.rb Prepared exclusively for Don Francis Report errat
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CROSS-REFERENCE OF CODE SAMPLES 514 86 depot_final/app/controllers/store_controller.rb 87 depot_final/app/helpers/application_helper.rb 88 depot_final/app/models/cart.rb 89 depot_final/app/models/line_item.rb 90 depot_final/app/models/order.rb 91 depot_final/app/models/product.rb 92 depot_final/app/models/user.rb 93 depot_final/app/views/admin/_order_line.rhtml 94 depot_final/app/views/admin/list.rhtml 95 depot_final/app/views/admin/ship.rhtml 96 depot_final/app/views/layouts/admin.rhtml 97 depot_final/app/views/layouts/store.rhtml 98 depot_final/app/views/login/add_user.rhtml 99 depot_final/app/views/login/index.rhtml 100 depot_final/app/views/login/list_users.rhtml 101 depot_final/app/views/login/login.rhtml 102 depot_final/app/views/store/checkout.rhtml 103 depot_final/app/views/store/display_cart.rhtml 104 depot_final/app/views/store/index.rhtml 105 depot_final/config/database.yml 106 depot_final/db/create.sql 107 depot_final/public/stylesheets/admin.css 108 depot_final/public/stylesheets/depot.css 109 depot_testing/app/controllers/application.rb 110 depot_testing/app/controllers/login_controller.rb 111 depot_testing/app/models/product.rb 112 depot_testing/test/fixtures/categories_products.yml 113 depot_testing/test/fixtures/orders.yml 114 depot_testing/test/fixtures/performance/orders.yml 115 depot_testing/test/fixtures/products.yml 116 depot_testing/test/fixtures/users.yml 117 depot_testing/test/functional/login_controller_test.rb 118 depot_testing/test/functional/search_controller_test.rb 119 depot_testing/test/functional/store_controller_test.rb 120 depot_testing/test/mocks/test/payment_gateway.rb 121 depot_testing/test/performance/order_test.rb 122 depot_testing/test/test_helper.rb 123 depot_testing/test/unit/cart_test.rb 124 depot_testing/test/unit/product_test.rb 125 depot_testing/test/unit/product_txn_test.rb 126 depot_ws/app/apis/backend_api_generated.rb 127 depot_ws/app/apis/order_service.rb 128 depot_ws/app/apis/product_api.rb 129 depot_ws/app/apis/product_auth_api.rb 130 depot_ws/app/apis/product_service.rb 131 depot_ws/app/controllers/backend_auth_controller.rb 132 depot_ws/app/controllers/backend_controller.rb 133 depot_ws/app/controllers/backend_controller_generated.rb 134 depot_ws/app/controllers/layered_backend_controller.rb 135 depot_ws/test/functional/backend_api_test.rb 136 erb/ex1.rhtml 137 erb/ex2.rhtml 138 erb/ex3.rhtml 139 erb/ex4.rhtml 140 filter/app/controllers/compress_controller.rb 141 mailer/app/controllers/order_controller.rb 142 mailer/app/controllers/test_controller.rb 143 mailer/app/models/incoming_ticket_handler.rb 144 mailer/app/models/order_mailer.rb 145 mailer/app/views/order_mailer/_html_line_item.rhtml 146 mailer/app/views/order_mailer/_line_item.rhtml 147 mailer/app/views/order_mailer/confirm.rhtml 148 mailer/app/views/order_mailer/sent.rhtml 149 mailer/test/fixtures/orders.yml 150 mailer/test/functional/order_controller_test.rb 151 mailer/test/unit/order_mailer_test.rb 152 notifier/app/models/system_notifier.rb 153 notifier/app/views/system_notifier/exception_notification.rhtml 154 routing/examples.rb Prepared exclusively for Don Francis Report erratum
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CROSS-REFERENCE OF CODE SAMPLES 513 17 cookies/cookie1/app/controllers/content_controller.rb 18 cookies/cookie1/app/controllers/cookies_controller.rb 19 cookies/cookie1/app/controllers/session_controller.rb 20 cookies/cookie1/app/sweepers/article_sweeper.rb 21 cookies/cookie1/db/create.sql 22 depot1/db/create.sql 23 depot10/app/controllers/store_controller.rb 24 depot10/app/views/layouts/store.rhtml 25 depot10/app/views/store/display_cart.rhtml 26 depot11/app/controllers/store_controller.rb 27 depot11/app/helpers/application_helper.rb 28 depot11/app/models/cart.rb 29 depot11/app/views/store/display_cart.rhtml 30 depot12/app/controllers/store_controller.rb 31 depot12/app/models/line_item.rb 32 depot12/app/models/order.rb 33 depot12/app/views/admin/_form.rhtml 34 depot12/app/views/admin/new.rhtml 35 depot12/app/views/layouts/store.rhtml 36 depot12/app/views/store/checkout.rhtml 37 depot12/db/create.sql 38 depot13/app/views/store/checkout.rhtml 39 depot14/app/controllers/store_controller.rb 40 depot14/app/views/store/checkout.rhtml 41 depot15/app/views/store/checkout.rhtml 42 depot15/app/views/store/display_cart.rhtml 43 depot16/app/controllers/admin_controller.rb 44 depot16/app/models/order.rb 45 depot16/app/views/admin/_order_line.rhtml 46 depot16/app/views/admin/ship.rhtml 47 depot16/db/create.sql 48 depot17/app/controllers/admin_controller.rb 49 depot17/app/models/order.rb 50 depot17/app/views/layouts/admin.rhtml 51 depot18/app/controllers/application.rb 52 depot18/app/controllers/login_controller.rb 53 depot18/app/models/order.rb 54 depot18/app/models/user.rb 55 depot18/app/views/login/add_user.rhtml 56 depot18/app/views/login/index.rhtml 57 depot18/db/create.sql 58 depot19/app/controllers/admin_controller.rb 59 depot19/app/controllers/application.rb 60 depot19/app/controllers/login_controller.rb 61 depot19/app/models/user.rb 62 depot19/app/views/layouts/admin.rhtml 63 depot2/app/models/product.rb 64 depot2/db/create.sql 65 depot3/app/models/product.rb 66 depot3/app/views/admin/list.rhtml 67 depot4/app/views/admin/list.rhtml 68 depot4/public/stylesheets/scaffold.css 69 depot6/app/controllers/store_controller.rb 70 depot6/app/models/product.rb 71 depot6/app/views/store/index.rhtml 72 depot7/app/views/layouts/store.rhtml 73 depot7/app/views/store/index.rhtml 74 depot8/app/controllers/application.rb 75 depot8/app/controllers/store_controller.rb 76 depot8/app/models/cart.rb 77 depot8/app/models/line_item.rb 78 depot8/app/views/store/display_cart.rhtml 79 depot8/app/views/store/index.rhtml 80 depot8/db/create.sql 81 depot9/app/models/cart.rb 82 depot9/app/views/store/display_cart.rhtml 83 depot_final/app/controllers/admin_controller.rb 84 depot_final/app/controllers/application.rb 85 depot_final/app/controllers/login_controller.rb Prepared exclusively for Don Francis Report erratum
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CROSS-REFERENCE OF CODE SAMPLES 512 def rails_root @rails_root ||= Pathname.new(RAILS_ROOT).cleanpath.to_s end end notifier/app/views/system_notifier/exception_notification.rhtml: File 153 A <%= @exception.class %> occurred in <%= @controller.controller_name %>#<%= @controller.action_name %>: <%= @exception.message %> <%= @backtrace.first %> Request information: * URL: <%= @request.protocol %><%= @host %><%= @request.request_uri %> * Parameters: <%= @request.parameters.inspect %> * Rails root: <%= @rails_root %> Session dump: <% for variable in @request.session.instance_variables -%> <% next if variable =~ /^@db/ -%> * <%= variable %>: <%= PP.pp(@request.session.instance_variable_get(variable),""). gsub(/n/, "n ").strip %> <% end -%> Environment: <% for key, value in @request.env -%> * <%= key %>: <%= value.to_s.strip %> <% end -%> Full execution backtrace: <%= @backtrace.join "n " %> C.3 Cross-Reference of Code Samples The following list can be used to find the file containing source code in the book. If a source sample has a marginal note containing a number, you can look that number up in the list that follows to determine the file containing that code. The files are available for download from http://pragmaticprogrammer.com/titles/rails. 1 ar/acts_as_list.rb 2 ar/acts_as_tree.rb 3 ar/aggregation.rb 4 ar/associations.rb 5 ar/counters.rb 6 ar/create.sql 7 ar/dump_orders_table.rb 8 ar/dump_serialize_table.rb 9 ar/encrypt.rb 10 ar/find_examples.rb 11 ar/new_examples.rb 12 ar/observer.rb 13 ar/optimistic.rb 14 ar/self_association.rb 15 ar/sti.rb 16 ar/transactions.rb Prepared exclusively for Don Francis Report erratum
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SAMPLE SYSTEM NOTIFIER 511 padding-top: 0px; padding-bottom: 0px; } #cartmenu { float: right; border-left: 1px dotted #282; } #totalcell { font-weight: bold; border-top: 1px solid #282; border-bottom: 2px solid #282; text-align: right; } .separator { border-bottom: 1px dotted #282; clear: both; } C.2 Sample System Notifier The following is a modified version of the code used by the Basecamp application to e-mail its maintainers when an exception occurs. We show how to hook this into the application on page 451. notifier/app/models/system_notifier.rb: File 152 require ‘pathname’ class SystemNotifier < ActionMailer::Base SYSTEM_EMAIL_ADDRESS = %{"Error Notifier" } EXCEPTION_RECIPIENTS = %w{maintainer@myapp.com support@myapp.com} def exception_notification(controller, request, exception, sent_on=Time.now) @subject = sprintf(”[ERROR] %s#%s (%s) %s”, controller.controller_name, controller.action_name, exception.class, exception.message.inspect ] @body = { “controller” => controller, “request” => request, “exception” => exception, “backtrace” => sanitize_backtrace(exception.backtrace), “host” => request.env[”HTTP_HOST”], “rails_root” => rails_root } @sent_on = sent_on @from = SYSTEM_EMAIL_ADDRESS @recipients = EXCEPTION_RECIPIENTS @headers = {} end private def sanitize_backtrace(trace) re = Regexp.new(/^#{Regexp.escape(rails_root)}/) trace.map do |line| Pathname.new(line.gsub(re, “[RAILS_ROOT]”)).cleanpath.to_s end end Prepared exclusively for Don Francis Report erratum
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THE FULL DEPOT APPLICATION 510 a{ text-decoration: none; font: smaller sans-serif; } a.addtocart { padding-left: 1em; padding-right: 1em; color: #141; background: #cec; font-weight: bold; } a.addtocart:hover { color: #000; background: #eec; } #side a { color: #ada; font: smaller sans-serif; } #side a:hover { color: #fff ; } /**** styles for the catalog ***/ /* === Use the Holly Hack to fix layout bugs in IE on Windows === */ /* Hide from IE-mac */ * html .catalogentry { height: 1%; } /* End hide from IE-mac */ .catalogentry { padding: 1ex 0ex; } .catalogentry img { float: left; margin-right: 2em; } .catalogentry h3 { font: larger bold; color: #282; margin-top: 0ex; margin-bottom: 0.5ex; } .catalogentry p { font: smaller sans-serif; margin-bottom: .5ex; } .catalogprice { padding-right: 4em; } /* Shoppng cart screen */ .carttitle { background: #282; color: #dfd; font: bold smaller sans-serif; text-align: center; } .carttitle TD { Prepared exclusively for Don Francis Report erratum
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THE FULL DEPOT APPLICATION 509 font-weight: bold; } .ListTitle { color: #244; font-weight: bold; font-size: larger; } .ListActions { font-size: x-small; text-align: right; padding-left: 1em; } .ListLine0 { background: #e0f8f8; } .ListLine1 { background: #f8e0f8; } depot_final/public/stylesheets/depot.css: File 108 #banner { background: #9c9; padding-top: 10px; padding-bottom: 10px; border-bottom: 2px solid; font: small-caps 40px/40px “Times New Roman”, serif; color: #282; text-align: center; } #banner img { float: left; } #columns { background: #141; } #main { margin-left: 7em; padding-top: 4ex; padding-left: 2em; background: white; } #side { float: left; padding-top: 1em; padding-left: 1em; padding-bottom: 1em; width: 6em; background: #141; } #notice { border: 2px solid red; padding: 1em; margin-bottom: 2em; background-color: #f0f0f0; font: bold smaller sans-serif; } Prepared exclusively for Don Francis Report erratum
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THE FULL DEPOT APPLICATION 508 get :save_order, rder => order.attributes assert_redirected_to :action => ‘index’ assert_equal(”Thank you for your order.”, flash[:notice]) end end assert elapsedSeconds < 3.0, "Actually took #{elapsedSeconds} seconds" end end CSS Files depot_final/public/stylesheets/admin.css: File 107 #banner { background: #ecc; color: #822; } #columns { background: #411; } #side { background: #411; } #side a { color: #fdd; } #side a:hover { background: #411; } /* order shipping screen */ .olheader { font: bold large sans-serif; color: #411; margin-bottom: 2ex; } .olnamebox, .olitembox { padding-bottom: 3ex; padding-right: 3em; border-top: 1px dotted #411; } .olname { font-weight: bold; } .oladdress { font-size: smaller; white-space: pre; } .olitemqty { font-size: smaller; font-weight: bold; } .olitemqty:after { content: " x "; } .olitemtitle { Prepared exclusively for Don Francis Report erratum
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THE FULL DEPOT APPLICATION 507 follow_redirect assert_template “store/index” assert_equal 0, session[:cart].items.size assert_equal 2, Order.find_all.size end def test_assert_tags_many_options test_add_to_cart get :save_order, rder => {:name => ‘fred’, :email => nil} assert_tag :tag => “html” assert_tag :content => “Pragprog Books Online Store” assert_tag :tag => “head”, :parent => { :tag => “html” } assert_tag :tag => “html”, :child => { :tag => “head” } assert_tag :tag => “div”, :ancestor => { :tag => “html” } assert_tag :tag => “html”, :descendant => { :tag => “div” } assert_tag :tag => “ul”, :children => { :count => 1..3, nly => { :tag => “li” }} end end Performance Tests depot_testing/test/fixtures/performance/orders.yml: File 114 <% for i in 1..100 %> order_<%= i %>: id: <%= i %> name: Fred email: fred@flintstones.com address: 123 Rockpile Circle pay_type: check <% end %> depot_testing/test/performance/order_test.rb: File 121 require File.dirname(__FILE__) + ‘/../test_helper’ require ’store_controller’ class OrderTest < Test::Unit::TestCase fixtures :products HOW_MANY = 100 def setup @controller = StoreController.new @request = ActionController::TestRequest.new @response = ActionController::TestResponse.new get :add_to_cart, :id => @version_control_book.id end def teardown Order.delete_all end def test_save_bulk_orders elapsedSeconds = Benchmark::realtime do Fixtures.create_fixtures(File.dirname(__FILE__) + “/../fixtures/performance”, “orders”) assert_equal(HOW_MANY, Order.find_all.size) 1.upto(HOW_MANY) do |id| order = Order.find(id) Prepared exclusively for Don Francis Report erratum
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THE FULL DEPOT APPLICATION 506 depot_testing/test/functional/store_controller_test.rb: File 119 require File.dirname(__FILE__) + ‘/../test_helper’ require ’store_controller’ # Reraise errors caught by the controller. class StoreController; def rescue_action(e) raise e end; end class StoreControllerTest < Test::Unit::TestCase fixtures :products, :orders def setup @controller = StoreController.new @request = ActionController::TestRequest.new @response = ActionController::TestResponse.new end def teardown LineItem.delete_all end def test_index get :index assert_response :success assert_equal 2, assigns(:products).size assert_template "store/index" end def test_add_to_cart get :add_to_cart, :id => @version_control_book.id cart = session[:cart] assert_equal @version_control_book.price, cart.total_price assert_redirected_to :action => ‘display_cart’ follow_redirect assert_equal 1, assigns(:items).size assert_template “store/display_cart” end def test_add_to_cart_invalid_product get :add_to_cart, :id => ‘-1′ assert_redirected_to :action => ‘index’ assert_equal “Invalid product”, flash[:notice] end def test_checkout test_add_to_cart get :checkout assert_response :success assert_not_nil assigns(:order) assert_template “store/checkout” end def test_save_invalid_order test_add_to_cart post :save_order, rder => {:name => ‘fred’, :email => nil} assert_response :success assert_template “store/checkout” assert_tag :tag => “div”, :attributes => { :class => “fieldWithErrors” } assert_equal 1, session[:cart].items.size end def test_save_valid_order test_add_to_cart assert_equal 1, session[:cart].items.size assert_equal 1, Order.count post :save_order, rder => @valid_order_for_fred.attributes assert_redirected_to :action => ‘index’ assert_equal “Thank you for your order.”, flash[:notice] Prepared exclusively for Don Francis Report erratum
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