how to upgrade_ror3_to_ror4
TRANSCRIPT
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HOW TO UPGRADE RORFROM RAILS 3 TO RAILS 4
ei-Yi, Chiu - 2016/11/18
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OUTLINE
introduction
tutorial
Incompatibilities
gem upgradation
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INTRODUCTION
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HIGHLIGHT IN RAILS 4.0
Ruby 2.0 preferred; 1.9.3 required
Strong Parameters
Turbolinks
Russian Doll Caching
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STRONG PARAMETERS
mass-assignment
attr_accessible / attr_protected
MVC
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TURNOLINKS
Turbolinks for Rails (like pjax)
pjax:
turbolinks:
data-no-turbolink
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RUSSIAN DOLL CACHING
viewcache
updated_atkey => touch
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HIGHLIGHT IN RAILS 4.1
Spring application preloader
config/secets.yml
Action Pack variants
Action Mailer previews
Active Record enums
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SPRING / SECRETS.YML
Spring
rails apprakerails
config/secret.yml
secret
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ACTION PACK VARIANTS
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ACTION MAILER PREVIEWS
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ACTION MAILER PREVIEWS
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HIGHLIGHT IN RAILS 4.2
Adequate Record(2x)find_by
Web Console
Active Job
Asynchronous mails
Foreign key support
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ACTIVE JOB
queuing system
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ACTION MAILER
deliver!
deliver_now / deliver_later
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FOREIGN KEY SUPPORT
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FOREIGN KEY SUPPORT
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TUTORIAL
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TUTORIAL
rvm install ruby-2.2.1
localhost: 2.2.1
server: 2.1.9
rails app:update
use rails:update on 4.2 and earlier
bundle update
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rails 4doccode...
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INCOMPATIBILITIES
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INCOMPATIBILITIES IN RAILS 4.0
Strong parameters
default using dalli in ActiveSupport::Cache::MemCacheStore.
Model.all now returns an ActiveRecord::Relation
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INCOMPATIBILITIES IN RAILS 4.0
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INCOMPATIBILITIES IN RAILS 4.1
String#remove(pattern) as String#gsub(pattern,')
Added Time.zone.yesterday and Time.zone.tomorrow.
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INCOMPATIBILITIES IN RAILS 4.2
render foo/bar" => render template: foo/bar
respond_with and the corresponding class-level respond_to have been moved to the responders gem.
Default Host for rails server
The *_filter family of methods have been removed from the documentation. Their usage is discouraged in favor of the *_action family of methods:
https://github.com/plataformatec/responders
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GEM UPGRADATION
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UNINTIALIZED CONTENT ARE:SQLITERAL
cache_storedallidallirails 4cache
rails4/dalliarelSqliteral
cache
memcache
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GOOGLE DOC
google docsession
rails4google-api-clientGoogle::APIClient::JWTAsserter
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GOOGLE DOC
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RENDER JSON
Rails 3 Rails 4
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END