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Scopes Ruby on Rails

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Marcelo Alarcon answered on April 21, 2021 Popularity 5/10 Helpfulness 6/10

answer Scopes Ruby on Rails

related rails scopes

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Scopes Ruby on Rails

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class Movie < ApplicationRecord
 scope :newest, -> { order(created_at: :desc) }
 scope :this_year, -> { where(year: Time.current.year) }
 scope :filter_by_category, ->(category) { where(category: category) }
 scope :old_movies, -> { where(year: ...30.years.ago.year) }
end

Popularity 5/10 Helpfulness 6/10 Language ruby

Source: Grepper

Tags: ruby ruby-on-rails scopes

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Contributed on May 17 2024

Marcelo Alarcon

0 Answers Avg Quality 2/10

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rails scopes

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class Book < ApplicationRecord
  scope :costs_more_than, ->(amount) { where("price > ?", amount) }
end

Popularity 10/10 Helpfulness 4/10 Language ruby

Source: guides.rubyonrails.org

Tags: ruby

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Contributed on Apr 21 2021

Concerned Caterpillar

0 Answers Avg Quality 2/10

rails scope syntax

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class Test < ActiveRecord::Model
  scope :complicated, ComplicatedScope
	
  class ComplicatedScope
    def self.call(*args) # in new syntax use (...)
      new(*args).call
    end

    def initialize(arg_1) # provide scope arguments
      @arg_1 = arg_1
    end

    def call
      module_parent
        .joins("complicated JOIN querry")
        .where("complicated where ?", @arg_1)
        .merge("some merging")
    end

    delegate :module_parent, to: :class
  end
end

Test.complcated("arg_1")

Popularity 9/10 Helpfulness 3/10 Language ruby

Source: Grepper

Tags: ruby

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Contributed on Jun 24 2022

Perfect Peafowl

0 Answers Avg Quality 2/10

how to write a scope in rails

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scope :proponent,   ->(user){ where(user_id: user.id) }

Popularity 9/10 Helpfulness 2/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Aug 12 2021

Davidosky

0 Answers Avg Quality 2/10

Scopes Ruby on Rails

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Scopes Ruby on Rails

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