Fixes re-running of samples multiple times

Fixes Spree Globalize compatibility errors

Author: damianlegawiec

sample/db/samples/products.rb

@@ -20,18 +20,21 @@
 PRODUCTS.each do |(parent_name, taxon_name, product_name)|
   parent = Spree::Taxon.find_by!(name: parent_name)
   taxon = parent.children.find_by!(name: taxon_name)
-  taxon.products.where(name: product_name.titleize).first_or_create! do |product|
+  Spree::Product.where(name: product_name.titleize).first_or_create! do |product|
     product.price = rand(10...100) + 0.99
     product.description = FFaker::Lorem.paragraph
     product.available_on = Time.zone.now
     product.option_types = [color, size]
     product.shipping_category = default_shipping_category
     product.tax_category = clothing_tax_category
     product.sku = [taxon_name.delete(' '), product_name.delete(' '), product.price].join('_')
-    parent.products << product
+    product.taxons << parent unless product.taxons.include?(parent)
+    product.taxons << taxon unless product.taxons.include?(taxon)
   end
 end
 
-['Bestsellers', 'New', 'Trending', 'Streetstyle', 'Summer Sale'].each do |taxon_name|
-  Spree::Taxon.find_by!(name: taxon_name).products << Spree::Product.all.sample(30)
+Spree::Taxon.where(name: ['Bestsellers', 'New', 'Trending', 'Streetstyle', 'Summer Sale']).each do |taxon|
+  next if taxon.products.any?
+
+  taxon.products << Spree::Product.all.sample(30)
 end

sample/db/samples/variants.rb

@@ -14,29 +14,28 @@
 VARIANTS.each do |(parent_name, taxon_name, product_name, color_name)|
   parent = Spree::Taxon.find_by!(name: parent_name)
   taxon = parent.children.find_by!(name: taxon_name)
-  product = taxon.products.find_by!(name: product_name.titleize)
+  product = Spree::Product.find_by!(name: product_name.titleize)
   color = color_option_values.find_by!(name: color_name)
 
   size_option_values.each do |size|
     if parent_name == 'Women' and %w[Dresses Skirts].include?(taxon_name)
       length_option_values.each do |length|
         option_values = [color, length, size]
-        product.variants.new do |variant|
+        product.variants.first_or_create! do |variant|
           variant.cost_price = product.price
           variant.option_values = option_values
           variant.sku = product.sku + '_' + option_values.map(&:name).join('_')
           variant.tax_category = clothing_tax_category
-          variant.save!
         end
       end
     else
       option_values = [color, size]
-      product.variants.new do |variant|
+      product.variants.first_or_create! do |variant|
         variant.cost_price = product.price
         variant.option_values = option_values
         variant.sku = product.sku + '_' + option_values.map(&:name).join('_')
         variant.tax_category = clothing_tax_category
-        variant.save!
+
       end
     end
   end