Question

there is something strange going on with the Shopify API, I cannot understand what I am doing wrong.

I’d like to get from Shopify a list of all the products so I use the following code:

def get_all_products_from_shopify
  limit = 250
  all_products = Array.new

  self.connect_to_store
  products = ShopifyAPI::Product.find(:all, :params => {:limit => limit})

  all_products = all_products.concat products
  puts products.length
  while products.length == limit do
    since_id = products.last.id
    products = ShopifyAPI::Product.find(:all, :params => {:limit => limit, :since_id => since_id})
    all_products = all_products.concat products
  end
  ShopifyAPI::Base.site = nil
  return all_products
end

The issue is that I have 251 products on Shopify but with this method I retrieve an array of products that has a size of 277 elements.
Why?

Also if I do:

products = ShopifyAPI::Product.count
> 251

products = ShopifyAPI::Product.find(:all, :params => {:limit => limit})
products.count
>250
since_id = products.last.id
ShopifyAPI::Product.count(since_id: since_id)
>26

Can anybody tell me what am I doing wrong?

Thanks,
Augusto

Answer 1

By default products are returned in ascending order by title in the product list API. Instead of omitting the :since_id param for the first page of results, use :since_id => 0.