Rails%203%20In%20Action

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Creating tags This creates the #ticket #tags element that your feature is looking for, and will render the soon-to-be-created app/views/tags/_tag.html.erb partial for every element in the also-soon-to-be-created tags association on the @ticket object. Which of these two steps do you take next? If you run your scenario again, you see that it cannot find the tags method for a Ticket object: undefined method `tags' for #
290 CHAPTER 11 Tagging To define the tags_tickets table, put this code in the change section of your db/ migrate/[timestamp]_create_tags.rb migration: create_table :tags_tickets, :id => false do |t| t.integer :tag_id, :ticket_id end The :id => false option passed to create_table here tells Active Record to create the table without the id field, because the join table only cares about the link between tickets and tags, and therefore does not need a unique identifier. Next, run the migration on your development database by running rake db:migrate, and on your test database by running rake db:test:prepare. This will create the tags and tags_tickets tables. When you run this scenario again with bin/cucumber features/creating _tickets:48, it is now satisfied that the tags method is defined and moves on to complaining that it can’t find the tag you specified: And I should see "browser" within "#ticket #tags" Failed assertion, no message given. (MiniTest::Assertion) This failure is because you’re not doing anything to associate the text from the Tags field to the ticket you’ve created. You need to parse the content from this field into new Tag objects and then associate them with the ticket you are creating, which you’ll do right now. 11.1.6 Displaying a ticket’s tags The params[:tags] in TicketsController’s create is the value from your Tags field on app/views/tickets/_form.html.erb. This is also the field you need to parse into Tag objects and associate those tags with the Ticket object you are creating. To do this, alter the create action in TicketsController by adding this line directly after@ticket.save: @ticket.tag!(params[:tags]) This new tag! method will parse the tags from params[:tags], convert them into new Tag objects, and associate them with the ticket. You can define this new method at the bottom of your Ticket model like this: def tag!(tags) tags = tags.split(" ").map do |tag| Tag.find_or_create_by_name(tag) end self.tags
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IN ACTION Ryan Bigg Yehuda Katz MAN
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Rails 3 in Action RYAN BIGG YEHUDA
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1 ■ Ruby on Rails, the framework
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viii 3 4 5 6 CONTENTS Developing a
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x 9 10 CONTENTS 8.5 Restricting wri
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xii 13 14 CONTENTS 12.2 Subscribing
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xiv 18 CONTENTS 17.4 Setting up a t
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xvi PREFACE cover. It also takes a
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xviii ACKNOWLEDGMENTS gnarly ePub R
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xx about this book Ruby on Rails is
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xxii ABOUT THIS BOOK By chapter 16,
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about the cover illustration The fi
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2 CHAPTER 1 Ruby on Rails, the fram
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10 CHAPTER 1 Ruby on Rails, the fra
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24 CHAPTER 2 Testing saves your bac
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This chapter covers � Building th
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46 CHAPTER 3 Developing a real Rail
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84 CHAPTER 4 Oh CRUD! 4.1.1 Writing
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86 CHAPTER 4 Oh CRUD! Aha! You’re
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88 CHAPTER 4 Oh CRUD! 4.2 Editing p
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90 CHAPTER 4 Oh CRUD! 4.2.2 The upd
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92 CHAPTER 4 Oh CRUD! 4.3.1 Writing
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94 CHAPTER 4 Oh CRUD! Figure 4.1 Ac
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96 CHAPTER 4 Oh CRUD! F When the te
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98 CHAPTER 4 Oh CRUD! functionality
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100 CHAPTER 5 Nested resources New
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102 CHAPTER 5 Nested resources an e
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104 CHAPTER 5 Nested resources 5.1.
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106 CHAPTER 5 Nested resources Then
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108 CHAPTER 5 Nested resources Grea
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110 CHAPTER 5 Nested resources see
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112 CHAPTER 5 Nested resources The
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114 CHAPTER 5 Nested resources Agai
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116 CHAPTER 5 Nested resources show
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118 CHAPTER 6 Authentication and ba
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This chapter covers � Adding an a
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138 CHAPTER 7 Basic access control
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This chapter covers � Expanding w
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166 CHAPTER 8 More authorization Un
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168 CHAPTER 8 More authorization pe
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170 CHAPTER 8 More authorization Th
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172 CHAPTER 8 More authorization ..
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176 CHAPTER 8 More authorization 8.
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178 CHAPTER 8 More authorization Re
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180 CHAPTER 8 More authorization Cr
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184 CHAPTER 8 More authorization De
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186 CHAPTER 8 More authorization De
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188 CHAPTER 8 More authorization To
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194 CHAPTER 8 More authorization Yo
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196 CHAPTER 8 More authorization cu
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198 CHAPTER 8 More authorization
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202 CHAPTER 8 More authorization Li
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204 CHAPTER 8 More authorization
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206 CHAPTER 8 More authorization Si
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208 CHAPTER 8 More authorization Li
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212 CHAPTER 8 More authorization 45
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214 CHAPTER 9 File uploading By pro
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216 CHAPTER 9 File uploading that t
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218 CHAPTER 9 File uploading remove
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220 CHAPTER 9 File uploading This f
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222 CHAPTER 9 File uploading asset
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224 CHAPTER 9 File uploading 9.2.2
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226 CHAPTER 9 File uploading you ha
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228 CHAPTER 9 File uploading sign_i
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230 CHAPTER 9 File uploading When y
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232 CHAPTER 9 File uploading You co
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234 CHAPTER 9 File uploading The /a
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236 CHAPTER 9 File uploading When y
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340 CHAPTER 12 Sending email 12.4 R
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342 CHAPTER 12 Sending email 12.4.2
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344 CHAPTER 12 Sending email When y
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346 CHAPTER 12 Sending email By sen
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348 CHAPTER 13 Designing an API One
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350 CHAPTER 13 Designing an API cri
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352 CHAPTER 13 Designing an API RSp
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354 CHAPTER 13 Designing an API ] }
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356 CHAPTER 13 Designing an API In
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358 CHAPTER 13 Designing an API Boo
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360 CHAPTER 13 Designing an API 13.
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362 CHAPTER 13 Designing an API Thi
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364 CHAPTER 13 Designing an API err
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366 CHAPTER 13 Designing an API To
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372 CHAPTER 13 Designing an API @pr
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374 CHAPTER 13 Designing an API The
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376 CHAPTER 13 Designing an API Lis
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378 CHAPTER 13 Designing an API You
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382 CHAPTER 13 Designing an API you
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384 CHAPTER 13 Designing an API git
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386 CHAPTER 14 Deployment done. Thi
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388 CHAPTER 14 Deployment useradd -
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390 CHAPTER 14 Deployment rvm group
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392 CHAPTER 14 Deployment To be as
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394 CHAPTER 14 Deployment service s
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396 CHAPTER 14 Deployment 14.5.1 De
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398 CHAPTER 14 Deployment The final
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400 CHAPTER 14 Deployment With the
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402 CHAPTER 14 Deployment executing
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404 CHAPTER 14 Deployment The first
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406 CHAPTER 14 Deployment You can e
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408 CHAPTER 14 Deployment Once Rail
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410 CHAPTER 14 Deployment This mean
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This chapter covers � Authenticat
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414 CHAPTER 15 Alternative authenti
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470 CHAPTER 17 Engines copy over as
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478 CHAPTER 17 Engines 2. Goes thro
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494 CHAPTER 17 Engines Listing 17.9
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498 CHAPTER 17 Engines your applica
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502 CHAPTER 17 Engines forem_user;
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504 CHAPTER 17 Engines You don’t
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508 CHAPTER 17 Engines Because you
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510 CHAPTER 17 Engines Listing 17.1
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512 CHAPTER 17 Engines 17.8 Releasi
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514 CHAPTER 17 Engines This task ac
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518 CHAPTER 18 Rack-based applicati
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542 APPENDIX A Why Rails? it helps
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544 APPENDIX A Why Rails? with thei
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546 appendix B Tidbits This appendi
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548 APPENDIX B Tidbits You should g
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Special characters and numbers $ fu
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authentication (continued) OAuth, 4
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CSRF (cross-site request forgery) a
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find_or_create_for_twitter method,
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last_post method, 510 last_ticket m
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Project.for method, 531 projects, 5
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searching by state, 305-309 testing
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toggle_watching_button method, 330
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WEB DEVELOPMENT/RUBY R ails Rails 3
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