1. cimon.io
Алексей Осипенко
cimon.io
«URL generation in Rails»
Hello I’m
Alexey

2. cimon.io
Алексей Осипенко
cimon.io
«Susanin»

3. cimon.io
Rails 5.1

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Rails 5.1
Direct
Resolved routes
&

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Rails 5.1
direct(:homepage) {
"http://www.rubyonrails.org"
}

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Rails 5.1
direct(:homepage) {
"http://www.rubyonrails.org"
}
homepage_url()

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Rails 5.1
direct :commentable do |model|
[ model, anchor: model.dom_id ]
end

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Rails 5.1
commentable_url(resource)
direct :commentable do |model|
[ model, anchor: model.dom_id ]
end

9. cimon.io
What's the problem?

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resources :companies do
resources :projects do
resources :comments
resources :issues do
resources :comments
end
end
end

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companies_projects_issues_comments_path(
comment.issue.project.company,
comment.issue.project,
comment.issue,
comment
)

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comments_path(comment)

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url_for(comment)

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url_for([comment])

15. cimon.io
everything is
resource
or
collection

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everything is
resource
or
collection
or
parent

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link_to(resource.name, [resource])

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Admin::UsersController
Client::ProfilesController
PublicApp::ProfilesController

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Admin::UsersController
Client::ProfilesController
PublicApp::ProfilesController
link_to resource.name, [:admin, resource]
link_to resource.name, [:client, resource]
link_to resource.name, [:public, resource]

20. cimon.io
Admin::UsersController
Client::ProfilesController
PublicApp::ProfilesController
link_to resource.name, [resource]
link_to resource.name, [resource]
link_to resource.name, [resource]

21. cimon.io
Admin::UsersController
Client::ProfilesController
PublicApp::ProfilesController
link_to resource.name, [resource]
link_to resource.name, [resource]
link_to resource.name, [resource]
User

22. cimon.io
Admin::ProjectsController
Client::MyProjectsController
PublicApp::ProjectsController
link_to resource.name, [resource]
link_to resource.name, [resource]
link_to resource.name, [resource]
Project

23. cimon.io
url_for [:edit, :client, resource]

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url_for [:edit, resource]

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url_for [
:edit,
:client,
resource.project.company,
resource.project,
resource
]

26. namespace :client do
resource :profiles
end
namespace :admin do
resources :users
end
namespace :public_app do
resource :profiles
end

27. module Client
class ApplicationController
def url_for([User] = resource)
super([:client, resource])
end
end
end

28. module Client
class ApplicationController
def users_url(resource)
client_users_url(resource)
end
end
end

29. module Client
class ApplicationController
def url_for([..., User, ...] = resource)
url_for([..., :client, resource, ...])
end
end
end

30. module Client
class ApplicationController
def url_for([..., User, ...] = resource)
url_for([..., resource.company, resource, ...])
end
def url_for([..., Company, ...])
url_for([:client, current_company])
end
end
end

31. url_for([user])
url_for([:client, current_company, user])

32. cimon.io
user company, user :client, company, user

33. module Client
class ApplicationController
susanin({
[User] => ->(user) { [user.company, user]},
[Company] => ->(company) { [:client, company] },
})
end
end

34. susanin({
[:client] => ->(_) { [:jericho] },
[User] => ->(r) { [r.company, r] },
[Project] => ->(r) { [:client, r] },
[Company] => ->(r) { [:client, r] },
})

35. susanin({
[:client] => ->(_) { [:jericho] },
[User] => ->(r) { [r.company, r] },
[Project] => ->(r) { [:client, r] },
[Company] => ->(r) { [:client, r] },
})
url_for([user])
url_for([:jericho, company, user])
jericho_company_user_url(company, user)

36. susanin({
[:client] => ->(_) { [:jericho] },
[User] => ->(r) { [r.company, r] },
[Project] => ->(r) { [:client, r] },
[Company] => ->(r) { [:client, r] },
})
url_for([:edit, user])
url_for([:edit, company, user])
url_for([:edit, :client, company, user])
url_for([:edit, :jericho, company, user])
edit_jericho_company_user_url(company, user)

37. susanin({
[User] => ->(r) { [:client, r] },
[:frontend, User] => ->(_, r) { [:public_app, r] },
})
[user] => [:client, user]
[:frontend, user] => [:public_app, user]
[:edit, user] => [:edit, :client, user]
[:edit, :frontend, user] => [:edit, :public_app, user]

38. susanin({
[User] => ->(r) { [:client, r] },
[:frontend, User] => ->(_, r) { [:public_app, r] },
})
url_for([:frontend, user])
url_for([:client, :frontend, user])
url_for([:public_app, user])

39. [A, B, C] => (a, b, c) { [1] }
[A] => (a) { [2] }
[A, B] => (a, b) { [3] }
[a, b, c] => [1]

40. [A, B] => ->(a, b) { 1 }
[A] => ->(a) { 2 }
[A, B, C] => ->(a, b, c) { 3 }
[a, b, c] => [1, c]

41. [A, B] => ->(a, b) { [a] }
[A] => ->(a) { 2 }
[A, B, C] => ->(a, b, c) { 3 }
[a, b, c] => [2, c]

42. cimon.io

43. alexey@cimon.io
Спасибо
за
внимание
telegram@aratak
alexey.osipenko@fb.me

44. https://t.me/itextrapolation