PDF version of the boot camp slides

1. Ruby on Rails
3-Day BootCamp
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2. Introductions
Name
Coding Experience
What would you like to learn?
2

3. Curriculum
RoR Toolset
Rails Walk-Through
Gems and Deployment
Full Apps and Ruby inside Rails
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4. Schedule
Times Day 1 Day 2 Day3
9am - 10:30 Tools RubyToolBox BootStrap
Break
Scaffold and RailsApps and
10:45 - 12 Cucumber
Views Hobo / Spree
Lunch
Routes and
1pm - 2:30 Devise Calculator
Controllers
Break
Models and
2:45 - 4:30 I18N and Haml Translator
Testing
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5. Learning Goals
Basic Rails
Common Patterns and Practices
Where to go for help
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6. Learning Path
Experimentation
Test First Teaching
Ask Questions
Resources for finding answers
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7. Structure
Explanation (me talking)
Demonstration (me typing)
Experimentation (in-class coding)
Questions
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8. RoR Tools
RVM / Pik / Jewelry Box / Rb.Env
Git / Github / Heroku
Sublime / Vi / RubyMine
RubyGems / RubyToolbox
Testing / RSpec / Cucumber
Terminal / irb / Rails Console
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9. RoR Resources
RailsGuides - guides.rubyonrails.org
Rails API - api.rubyonrails.org
RubyDoc - ruby-doc.org
RailsCasts - railscasts.com
Github ReadMe
Ruby ToolBox - www.ruby-toolbox.com
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• RailsGuides - guides.rubyonrails.org
• Rails API - api.rubyonrails.org
• RubyDoc - ruby-doc.org
• RailsCasts - railscasts.com
• Github ReadMe
• Ruby ToolBox - www.ruby-toolbox.com

10. Ruby vs. Rails
Ruby is the Language -
developed 1993
Yukihiro Matsumoto “Matz”
Rails is the Framework -
developed 2004
David Heinemeier Hansson “DHH”
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11. The Ruby Way
Written in C
Influenced by SmallTalk & Pearl
Ruby is for People
MINSWAN
OSS (Open Source Software)
RubyGems
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12. The Rails Way
Opinionated Software
Convention over Configuration
DRY (Don’t Repeat Yourself)
TDD (Test Driven Development)
Less Code, More Productivity
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13. Tools
Command Line
Ruby / RubyGems
Rails
Source Control - Git
IDE
Deployment - Heroku
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14. Command Line
Command Prompt (CLI)
Mac: Terminal, iTerm, etc...
Unix: bash, zsh, csh, etc....
Windows: Command Prompt w/ Ruby on
Rails
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15. Ruby
Ruby -v
1.9.2, 1.9.3, 2.0.0 (1.8.7)
gem list
Bundler, Rake, rubygems, etc...
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16. RVM
Ruby Version Manager
rvm list
rvm use
rvm gemset list
rvm.io
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17. Ruby Versions
MRI, YARV, Standard Library, C-Ruby
JRuby - Java
Rubinius - Pure Ruby
MagLev - SmallTalk
MacRuby - Objective-C
IronRuby - C# (for .Net)
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18. Rails
Rails -v
2.0-3, 3.0-2, 4.0
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19. RVM Demo
Gemset for Rails 4
rvm use --create 2.0.0@rails4
gem install rails --version 4.0.0.beta1
mkdir rvm_test
cd rvm_test
rvm --rvmrc --create
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20. Git
which git
git --version
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21. Git
Source Control System
Timeline, Track Changes
Branching and Merging
Code Safety
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22. Git Commands
git clone / init
git status
git add / rm
git commit
git push
git log
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23. Git Remotes
GitHub - www.github.com
Heroku - www.heroku.com
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24. Git Help
Git Site - git-scm.com
Git Immersion - gitimmersion.com
GitHub Help - help.github.com
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25. Git Demo
mkdir git_test
cd git_test
git init
touch test_file.txt
git status
git add .
git commit -m “add a file”
git status
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26. Git Demo
cd ..
git clone git_test/.git clone_test
cd clone_test
ls
git remote -v
touch clone.txt
git commit -am “add another file”
git push
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27. Editor
Sublime Text 2 / TextMate
RubyMine
KomodoEdit
Eclipse
Vi / Vim / Emacs
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28. Sublime Text 2
Command line alias
Win: doskey subl="C:Program FilesSublime Text 2sublime_text.exe" $*
Mac: ln -s "/Applications/Sublime Text 2.app/Contents/SharedSupport/bin/subl" ~/bin/subl
Linux: sudo ln -s /opt/SublimeText2/sublime_text /usr/bin/subl
How to Open a folder
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Command line alias
Win: doskey subl="C:Program FilesSublime Text 2sublime_text.exe" $*
Mac: ln -s "/Applications/Sublime Text 2.app/Contents/SharedSupport/bin/subl" ~/bin/subl
Linux: sudo ln -s /opt/SublimeText2/sublime_text /usr/bin/subl
How to Open a folder

29. BREAK!
10-15 minutes
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30. Rails
New Rails App
Modify the HomePage
Scaffold
MVC
Layers
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31. Create a New App
rails
Shows Options
rails new <app_name> --options
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32. Create a
Class Management App
We want an app to manage Students,
Classes, and Teachers
rails new class_mngmt
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rails new class_mngmt

33. The Application
Directory
The Root of our App: Rails root
Entire App in one directory!
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34. Run the App
cd class_mngmt
rails
see rails commands
rails server
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rails server

35. Save a Baseline
with git
git init
git add .
git commit -m “add a bare rails app
to track changes”
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git init
git add .
git commit -m “add bare rails app to track”

36. Modify the HomePage
public/index.html
public folder contains static content
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37. Scaffolding
rails generate
see the generators
rails g scaffold Student full_name
age:integer bio:text title
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rails g scaffold Student full_name age:integer bio:text title

38. MVC
Response
Controller
Request
Browser
View
Model
Database
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39. Shorten Bio Demo
Shorten the bio on the view page
Add a read more link
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40. Helpers
Presentation Logic
Presenter Pattern
Ruby Module - Included on all views
Method Definitions
Help generate html
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41. View Exercise
On the main Student page
Change the Listing Students to My
Students or All Students
Show only the Full Name and title
Have the Full Name link to the
view page
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42. Lunch!
12pm - 1pm
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43. Routing
rake routes
public folder
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44. hello.html
create a hello file
find it in the browser
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45. RESTful Routes
Representational State Transfer
(REST)
guides.rubyonrails.org/routing.html
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46. Controller Actions
index, show, new, edit, create,
update, destroy
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47. New Controller
rails g controller Welcome
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48. Welcome
put hello.html in the welcome folder
app/views/welcome/hello.html
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49. Find it!
http://localhost:3000/welcome/hello
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50. Break!
10-15 minutes
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51. Active Record
Ruby Driven Schema
Where are the methods?
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52. Students Manage
Their Courses
As a student we want to add our
courses.
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53. Add Courses
rails g Course title description:text
student_id:integer
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54. Relationships
Student has many courses
A Course belongs_to a Student
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55. 3 Kinds of
Relationships
one-to-one
one-to-many
many-to-many
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56. Rails DB / Console
rails db
login with the db credentials
rails console
irb with your app loaded
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57. Add email to Student
rails g migration AddEmailToStudents
email
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58. Test Driven Rails
add rspec
test drive our business rules
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59. Validations &
callbacks
guides.rubyonrails.org/
active_record_validations_callbacks.h
tml
Validate a Student has a name
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60. Validate the student
email
presence and format
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61. Scopes and QI
saved sql queries
http://guides.rubyonrails.org/
active_record_querying.html
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62. Environments
development
test
production
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63. Rails App Walk
Through
What is all this stuff?!
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64. Questions?
??
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