How to fetch all products using Shopify’s Ruby SDK?

get_all_shopify_products.rb

# assumption: configured as per https://github.com/Shopify/shopify_app#managing-api-keys

class Shopify::ProductService
  def new
    # get valid session to connect with the target store
    session = ShopifyAPI::Session.new("your shop shopify_domain", "your shop shopify_token")
    ShopifyAPI::Base.activate_session(session)
  end
  
  def products  
    products = []     # Collect all products in array
    (1..pages).each do |page|
      products += ShopifyAPI::Product.all(params: { page: page, limit: PER_PAGE })
    end
  end
  
  private
  
  PER_PAGE = 250.0
  # calculates total number of pages required
  def pages
    (ShopifyAPI::Product.count / PER_PAGE).ceil
  end
end

# Get all products
Shopify::ProductService.new.products