Controllers & Routes

Нистратов Артём

anistratov@go-promo.ru

Routes

resources :snippets

rake routes

resource :snippet

root to: 'snippets#index'

namespace :my do
  resources :snippets do
    put :publish, on: :member
  end
end

namespace :my do
  resources :snippets do
    member do
      put :publish
    end
  end
end

namespace :my do
  resources :snippets
end

resources :users

resources :users do
  resources :snippets
end

  resources :snippets,
    only: [:index, :show]
end

Controllers

class SnippetsController < ApplicationController
end

app/controllers/snippets_controller.rb

class SnippetsController < ApplicationController
  def index
    @snippets = Snippet.order(:created_at).last(10)
  end
end

gem 'will_paginate'

class Snippet < ActiveRecord::Base

  enum visibility: [ :_public, :_private ]
  ...
end

rails g migration add_visibility_to_snippet visibility:integer

  scope :with_public_access, -> {
    where visibility: visibilities[:_public]
  }
  
  ...
end

  scope :for_main,  -> { with_public_access.order :created_at }

  ...
end

Controllers

app/controllers/snippets_controller.rb

class SnippetsController < ApplicationController
  def index
    @snippets = Snippet.order(:created_at).last(10)
  end
end

class SnippetsController < ApplicationController
  def index
    @snippets = Snippet.for_main.page params[:page]
  end
end

  def publish
    Snippet.find(params[:id])._public!
  end
end

class SnippetsController < ::SnippetsController
  before_action :find_user

  ...
end

class SnippetsController < ::SnippetsController
  before_action :find_user

  ...

  private

  def find_user
    @user = User.find params[:user_id] if params.key? :user_id
  end
end

class SnippetsController < ::SnippetsController
  before_action :find_user

  ...

  private

  def find_user
    @user = User.find params[:user_id] if params.key? :user_id
  end

  def snippets
    if @user.nil?
      Snippet
    else
      @user.snippets
    end
  end
end

class SnippetsController < ::SnippetsController
  before_action :find_user

  def index
    @snippets = snippets.for_main.page params[:page]
  end

  def publish
    snippets.find(params[:id])._public!
  end

  private

  def find_user
    @user = User.find params[:user_id] if params.key? :user_id
  end

  def snippets
    if @user.nil?
      Snippet
    else
      @user.snippets
    end
  end
end

app/controllers/my/snippets_controller.rb

module My
  class SnippetsController < ::SnippetsController
    private def find_user
      @user = ... # current user
    end
  end
end

get 'about', to: 'home#about'

get 'about' => 'home#about'

post 'feedback/:category', to: 'feedbacks#add'

post 'feedback(/:category)' => 'feedbacks#add'

match 'preview' => 'snippets#show'

match 'preview' => 'snippets#show',
  via: [:get, :post]

match 'preview' => 'snippets#show',
  via: [:get, :post],
  as: :snippet_preview